{"id":5734,"date":"2026-07-20T21:36:05","date_gmt":"2026-07-20T21:36:05","guid":{"rendered":"https:\/\/ellipse-ingenierie.com.tn\/?p=5734"},"modified":"2026-07-20T22:26:32","modified_gmt":"2026-07-20T22:26:32","slug":"conception-dun-reseau-de-plomberie-sanitaire-etapes-calculs-et-bonnes-pratiques","status":"publish","type":"post","link":"https:\/\/ellipse-ingenierie.com.tn\/en\/conception-dun-reseau-de-plomberie-sanitaire-etapes-calculs-et-bonnes-pratiques\/","title":{"rendered":"Conception d\u2019un r\u00e9seau de plomberie sanitaire : \u00e9tapes, calculs et bonnes pratiques"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5734\" class=\"elementor elementor-5734\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e0b1c0 e-con-full e-flex e-con e-parent\" data-id=\"0e0b1c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b11adaa elementor-widget elementor-widget-html\" data-id=\"b11adaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!-- =========================================================\r\nHERO ARTICLE 3 \u2014 ELLIPSE ING\u00c9NIERIE\r\nArticle : Conception d\u2019un r\u00e9seau de plomberie sanitaire\r\nCSS enti\u00e8rement isol\u00e9 avec le pr\u00e9fixe .eipl-hero\r\nCompatible avec un widget HTML Elementor\r\n========================================================= -->\r\n\r\n<style>\r\n  .eipl-hero,\r\n  .eipl-hero * {\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .eipl-hero {\r\n    --eipl-primary: #00586f;\r\n    --eipl-primary-light: #0b7892;\r\n    --eipl-dark: #061b32;\r\n    --eipl-dark-soft: #0b2c43;\r\n    --eipl-orange: #f36c21;\r\n    --eipl-orange-light: #ff8a3d;\r\n    --eipl-white: #ffffff;\r\n    --eipl-light: #f4f8fa;\r\n    --eipl-text: #203448;\r\n    --eipl-muted: #607184;\r\n    --eipl-border: rgba(0, 88, 111, 0.14);\r\n\r\n    position: relative;\r\n    width: 100%;\r\n    overflow: hidden;\r\n    isolation: isolate;\r\n    color: var(--eipl-dark);\r\n    font-family: \"Inter\", \"Segoe UI\", Arial, sans-serif;\r\n    background:\r\n      radial-gradient(\r\n        circle at 84% 18%,\r\n        rgba(11, 120, 146, 0.16),\r\n        transparent 35%\r\n      ),\r\n      linear-gradient(\r\n        118deg,\r\n        #ffffff 0%,\r\n        #f7fafb 48%,\r\n        #edf5f7 100%\r\n      );\r\n  }\r\n\r\n  .eipl-hero::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: -245px;\r\n    right: -195px;\r\n    z-index: -1;\r\n    width: 660px;\r\n    height: 660px;\r\n    border: 1px solid rgba(0, 88, 111, 0.12);\r\n    border-radius: 50%;\r\n  }\r\n\r\n  .eipl-hero::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: -155px;\r\n    right: -92px;\r\n    z-index: -1;\r\n    width: 430px;\r\n    height: 430px;\r\n    border: 3px solid rgba(243, 108, 33, 0.15);\r\n    border-left-color: transparent;\r\n    border-bottom-color: transparent;\r\n    border-radius: 50%;\r\n    transform: rotate(18deg);\r\n  }\r\n\r\n  .eipl-hero__container {\r\n    width: min(1240px, calc(100% - 48px));\r\n    margin: 0 auto;\r\n    padding: 82px 0 76px;\r\n    display: grid;\r\n    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);\r\n    align-items: center;\r\n    gap: 66px;\r\n  }\r\n\r\n  \/* =========================================================\r\n     CONTENU GAUCHE\r\n  ========================================================= *\/\r\n\r\n  .eipl-hero__content {\r\n    position: relative;\r\n    z-index: 4;\r\n  }\r\n\r\n  .eipl-hero__breadcrumb {\r\n    display: flex;\r\n    align-items: center;\r\n    flex-wrap: wrap;\r\n    gap: 9px;\r\n    margin: 0 0 27px;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    font-weight: 650;\r\n  }\r\n\r\n  .eipl-hero__breadcrumb a {\r\n    color: var(--eipl-primary);\r\n    text-decoration: none;\r\n    transition: color 0.25s ease;\r\n  }\r\n\r\n  .eipl-hero__breadcrumb a:hover {\r\n    color: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-hero__breadcrumb-separator {\r\n    width: 5px;\r\n    height: 5px;\r\n    flex: 0 0 auto;\r\n    border-radius: 50%;\r\n    background: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-hero__eyebrow {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 10px;\r\n    min-height: 38px;\r\n    margin-bottom: 25px;\r\n    padding: 8px 16px 8px 10px;\r\n    border: 1px solid rgba(0, 88, 111, 0.15);\r\n    border-radius: 999px;\r\n    background: rgba(255, 255, 255, 0.88);\r\n    box-shadow: 0 10px 32px rgba(6, 27, 50, 0.06);\r\n    color: var(--eipl-primary);\r\n    font-size: 13px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.08em;\r\n    text-transform: uppercase;\r\n    backdrop-filter: blur(10px);\r\n  }\r\n\r\n  .eipl-hero__eyebrow-icon {\r\n    width: 23px;\r\n    height: 23px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 50%;\r\n    background: var(--eipl-orange);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-hero__eyebrow-icon svg {\r\n    width: 13px;\r\n    height: 13px;\r\n  }\r\n\r\n  .eipl-hero__title {\r\n    max-width: 790px;\r\n    margin: 0;\r\n    color: var(--eipl-dark);\r\n    font-size: clamp(44px, 4.65vw, 71px);\r\n    line-height: 1.01;\r\n    font-weight: 880;\r\n    letter-spacing: -0.052em;\r\n    text-wrap: balance;\r\n  }\r\n\r\n  .eipl-hero__title-highlight {\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-hero__title-accent {\r\n    position: relative;\r\n    display: inline-block;\r\n  }\r\n\r\n  .eipl-hero__title-accent::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    left: 2px;\r\n    bottom: -8px;\r\n    width: 76%;\r\n    height: 5px;\r\n    border-radius: 999px;\r\n    background: linear-gradient(\r\n      90deg,\r\n      var(--eipl-orange),\r\n      var(--eipl-orange-light)\r\n    );\r\n  }\r\n\r\n  .eipl-hero__intro {\r\n    max-width: 710px;\r\n    margin: 32px 0 0;\r\n    color: var(--eipl-text);\r\n    font-size: 19px;\r\n    line-height: 1.72;\r\n  }\r\n\r\n  .eipl-hero__intro strong {\r\n    color: var(--eipl-primary);\r\n    font-weight: 820;\r\n  }\r\n\r\n  \/* =========================================================\r\n     M\u00c9TADONN\u00c9ES\r\n  ========================================================= *\/\r\n\r\n  .eipl-hero__meta {\r\n    display: flex;\r\n    align-items: center;\r\n    flex-wrap: wrap;\r\n    gap: 13px 20px;\r\n    margin-top: 28px;\r\n  }\r\n\r\n  .eipl-hero__meta-item {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 9px;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    font-weight: 680;\r\n  }\r\n\r\n  .eipl-hero__meta-icon {\r\n    width: 32px;\r\n    height: 32px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 10px;\r\n    background: rgba(255, 255, 255, 0.92);\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-hero__meta-icon svg {\r\n    width: 15px;\r\n    height: 15px;\r\n  }\r\n\r\n  \/* =========================================================\r\n     BOUTONS\r\n  ========================================================= *\/\r\n\r\n  .eipl-hero__actions {\r\n    display: flex;\r\n    align-items: center;\r\n    flex-wrap: wrap;\r\n    gap: 14px;\r\n    margin-top: 36px;\r\n  }\r\n\r\n  .eipl-hero__button {\r\n    min-height: 54px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    gap: 11px;\r\n    padding: 14px 23px;\r\n    border: 1px solid transparent;\r\n    border-radius: 12px;\r\n    text-decoration: none;\r\n    font-size: 15px;\r\n    font-weight: 820;\r\n    transition:\r\n      transform 0.25s ease,\r\n      box-shadow 0.25s ease,\r\n      background-color 0.25s ease,\r\n      border-color 0.25s ease,\r\n      color 0.25s ease;\r\n  }\r\n\r\n  .eipl-hero__button svg {\r\n    width: 18px;\r\n    height: 18px;\r\n    transition: transform 0.25s ease;\r\n  }\r\n\r\n  .eipl-hero__button:hover {\r\n    transform: translateY(-3px);\r\n  }\r\n\r\n  .eipl-hero__button:hover svg {\r\n    transform: translateX(4px);\r\n  }\r\n\r\n  .eipl-hero__button--primary {\r\n    background: linear-gradient(\r\n      135deg,\r\n      var(--eipl-primary),\r\n      var(--eipl-primary-light)\r\n    );\r\n    box-shadow: 0 17px 38px rgba(0, 88, 111, 0.22);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-hero__button--primary:hover {\r\n    box-shadow: 0 22px 46px rgba(0, 88, 111, 0.3);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-hero__button--secondary {\r\n    border-color: rgba(0, 88, 111, 0.2);\r\n    background: rgba(255, 255, 255, 0.8);\r\n    box-shadow: 0 10px 28px rgba(6, 27, 50, 0.06);\r\n    color: var(--eipl-dark);\r\n    backdrop-filter: blur(8px);\r\n  }\r\n\r\n  .eipl-hero__button--secondary:hover {\r\n    border-color: var(--eipl-orange);\r\n    background: var(--eipl-white);\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  \/* =========================================================\r\n     VISUEL DROIT\r\n     La carte expertise reste dans le flux pour ne rien masquer.\r\n  ========================================================= *\/\r\n\r\n  .eipl-hero__visual {\r\n    position: relative;\r\n    min-width: 0;\r\n    display: flex;\r\n    flex-direction: column;\r\n    align-items: flex-start;\r\n    padding-right: 26px;\r\n  }\r\n\r\n  .eipl-hero__visual::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: 34px;\r\n    right: 0;\r\n    width: 86%;\r\n    height: 552px;\r\n    border-radius: 42px 8px 42px 8px;\r\n    background: linear-gradient(\r\n      145deg,\r\n      var(--eipl-primary) 0%,\r\n      var(--eipl-dark-soft) 100%\r\n    );\r\n    box-shadow: 0 28px 70px rgba(6, 27, 50, 0.2);\r\n    transform: rotate(3.1deg);\r\n  }\r\n\r\n  .eipl-hero__image-wrapper {\r\n    position: relative;\r\n    z-index: 2;\r\n    width: 100%;\r\n    height: 552px;\r\n    flex: 0 0 auto;\r\n    overflow: hidden;\r\n    border-radius: 34px 8px 34px 8px;\r\n    background: var(--eipl-dark);\r\n    box-shadow: 0 30px 75px rgba(6, 27, 50, 0.22);\r\n  }\r\n\r\n  .eipl-hero__image-wrapper::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    inset: 0;\r\n    background:\r\n      linear-gradient(\r\n        180deg,\r\n        rgba(6, 27, 50, 0.02) 34%,\r\n        rgba(6, 27, 50, 0.7) 100%\r\n      ),\r\n      linear-gradient(\r\n        90deg,\r\n        rgba(0, 88, 111, 0.06),\r\n        transparent 60%\r\n      );\r\n    pointer-events: none;\r\n  }\r\n\r\n  .eipl-hero__image {\r\n    width: 100%;\r\n    height: 100%;\r\n    display: block;\r\n    object-fit: cover;\r\n    object-position: center;\r\n    transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);\r\n  }\r\n\r\n  .eipl-hero__visual:hover .eipl-hero__image {\r\n    transform: scale(1.045);\r\n  }\r\n\r\n  .eipl-hero__image-label {\r\n    position: absolute;\r\n    left: 28px;\r\n    right: 28px;\r\n    bottom: 25px;\r\n    z-index: 3;\r\n    display: flex;\r\n    align-items: flex-end;\r\n    justify-content: space-between;\r\n    gap: 20px;\r\n  }\r\n\r\n  .eipl-hero__image-caption {\r\n    max-width: 365px;\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-hero__image-caption-small {\r\n    display: block;\r\n    margin-bottom: 5px;\r\n    color: rgba(255, 255, 255, 0.7);\r\n    font-size: 12px;\r\n    font-weight: 750;\r\n    letter-spacing: 0.09em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-hero__image-caption-title {\r\n    display: block;\r\n    color: var(--eipl-white);\r\n    font-size: 18px;\r\n    line-height: 1.35;\r\n    font-weight: 820;\r\n  }\r\n\r\n  .eipl-hero__image-badge {\r\n    width: 53px;\r\n    height: 53px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border: 1px solid rgba(255, 255, 255, 0.32);\r\n    border-radius: 50%;\r\n    background: rgba(255, 255, 255, 0.14);\r\n    color: var(--eipl-white);\r\n    backdrop-filter: blur(12px);\r\n  }\r\n\r\n  .eipl-hero__image-badge svg {\r\n    width: 24px;\r\n    height: 24px;\r\n  }\r\n\r\n  \/* =========================================================\r\n     CARTE EXPERTISE SOUS L\u2019IMAGE\r\n  ========================================================= *\/\r\n\r\n  .eipl-hero__expert-card {\r\n    position: relative;\r\n    z-index: 5;\r\n    width: min(450px, 94%);\r\n    margin-top: 20px;\r\n    padding: 21px 22px;\r\n    border: 1px solid rgba(0, 88, 111, 0.12);\r\n    border-radius: 18px;\r\n    background: rgba(255, 255, 255, 0.96);\r\n    box-shadow: 0 17px 44px rgba(6, 27, 50, 0.13);\r\n    backdrop-filter: blur(14px);\r\n  }\r\n\r\n  .eipl-hero__expert-top {\r\n    display: flex;\r\n    align-items: center;\r\n    gap: 14px;\r\n  }\r\n\r\n  .eipl-hero__expert-icon {\r\n    width: 49px;\r\n    height: 49px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 14px;\r\n    background: linear-gradient(\r\n      135deg,\r\n      var(--eipl-orange),\r\n      var(--eipl-orange-light)\r\n    );\r\n    box-shadow: 0 12px 24px rgba(243, 108, 33, 0.22);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-hero__expert-icon svg {\r\n    width: 24px;\r\n    height: 24px;\r\n  }\r\n\r\n  .eipl-hero__expert-label {\r\n    display: block;\r\n    margin-bottom: 3px;\r\n    color: var(--eipl-muted);\r\n    font-size: 11px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.09em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-hero__expert-title {\r\n    display: block;\r\n    color: var(--eipl-dark);\r\n    font-size: 17px;\r\n    line-height: 1.3;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-hero__expert-list {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 10px 15px;\r\n    margin-top: 17px;\r\n    padding-top: 16px;\r\n    border-top: 1px solid var(--eipl-border);\r\n  }\r\n\r\n  .eipl-hero__expert-item {\r\n    position: relative;\r\n    padding-left: 14px;\r\n    color: var(--eipl-text);\r\n    font-size: 12px;\r\n    line-height: 1.45;\r\n    font-weight: 750;\r\n  }\r\n\r\n  .eipl-hero__expert-item::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: 6px;\r\n    left: 0;\r\n    width: 6px;\r\n    height: 6px;\r\n    border-radius: 50%;\r\n    background: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-hero__bottom-line {\r\n    position: absolute;\r\n    left: 0;\r\n    right: 0;\r\n    bottom: 0;\r\n    height: 5px;\r\n    background: linear-gradient(\r\n      90deg,\r\n      var(--eipl-primary) 0%,\r\n      var(--eipl-primary) 70%,\r\n      var(--eipl-orange) 70%,\r\n      var(--eipl-orange) 100%\r\n    );\r\n  }\r\n\r\n  \/* =========================================================\r\n     RESPONSIVE TABLETTE\r\n  ========================================================= *\/\r\n\r\n  @media (max-width: 1080px) {\r\n    .eipl-hero__container {\r\n      grid-template-columns: 1fr;\r\n      gap: 54px;\r\n      padding-top: 64px;\r\n      padding-bottom: 78px;\r\n    }\r\n\r\n    .eipl-hero__content {\r\n      max-width: 860px;\r\n    }\r\n\r\n    .eipl-hero__visual {\r\n      width: min(820px, 100%);\r\n      margin: 0 auto;\r\n      padding-right: 20px;\r\n    }\r\n\r\n    .eipl-hero__visual::before,\r\n    .eipl-hero__image-wrapper {\r\n      height: 550px;\r\n    }\r\n\r\n    .eipl-hero__expert-card {\r\n      width: min(450px, 92%);\r\n    }\r\n  }\r\n\r\n  \/* =========================================================\r\n     RESPONSIVE MOBILE\r\n  ========================================================= *\/\r\n\r\n  @media (max-width: 767px) {\r\n    .eipl-hero__container {\r\n      width: min(100% - 30px, 1240px);\r\n      padding: 42px 0 58px;\r\n      gap: 42px;\r\n    }\r\n\r\n    .eipl-hero__breadcrumb {\r\n      margin-bottom: 20px;\r\n      font-size: 12px;\r\n    }\r\n\r\n    .eipl-hero__eyebrow {\r\n      margin-bottom: 20px;\r\n      font-size: 11px;\r\n      letter-spacing: 0.06em;\r\n    }\r\n\r\n    .eipl-hero__title {\r\n      font-size: clamp(37px, 11.5vw, 55px);\r\n      line-height: 1.03;\r\n    }\r\n\r\n    .eipl-hero__intro {\r\n      margin-top: 26px;\r\n      font-size: 17px;\r\n      line-height: 1.65;\r\n    }\r\n\r\n    .eipl-hero__meta {\r\n      align-items: flex-start;\r\n      flex-direction: column;\r\n      gap: 11px;\r\n      margin-top: 24px;\r\n    }\r\n\r\n    .eipl-hero__actions {\r\n      align-items: stretch;\r\n      flex-direction: column;\r\n      margin-top: 30px;\r\n    }\r\n\r\n    .eipl-hero__button {\r\n      width: 100%;\r\n    }\r\n\r\n    .eipl-hero__visual {\r\n      width: 100%;\r\n      padding-right: 0;\r\n    }\r\n\r\n    .eipl-hero__visual::before {\r\n      top: 22px;\r\n      right: -4px;\r\n      width: 94%;\r\n      height: 420px;\r\n      border-radius: 28px 6px 28px 6px;\r\n    }\r\n\r\n    .eipl-hero__image-wrapper {\r\n      width: calc(100% - 8px);\r\n      height: 420px;\r\n      border-radius: 24px 6px 24px 6px;\r\n    }\r\n\r\n    .eipl-hero__image-label {\r\n      left: 19px;\r\n      right: 19px;\r\n      bottom: 20px;\r\n    }\r\n\r\n    .eipl-hero__image-caption-title {\r\n      font-size: 15px;\r\n    }\r\n\r\n    .eipl-hero__image-badge {\r\n      width: 44px;\r\n      height: 44px;\r\n    }\r\n\r\n    .eipl-hero__expert-card {\r\n      width: 100%;\r\n      margin-top: 18px;\r\n      padding: 18px;\r\n    }\r\n\r\n    .eipl-hero__expert-icon {\r\n      width: 43px;\r\n      height: 43px;\r\n    }\r\n\r\n    .eipl-hero__expert-title {\r\n      font-size: 15px;\r\n    }\r\n\r\n    .eipl-hero__expert-item {\r\n      font-size: 11px;\r\n    }\r\n  }\r\n\r\n  @media (max-width: 430px) {\r\n    .eipl-hero__visual::before,\r\n    .eipl-hero__image-wrapper {\r\n      height: 385px;\r\n    }\r\n\r\n    .eipl-hero__expert-list {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .eipl-hero__image-caption {\r\n      max-width: 220px;\r\n    }\r\n  }\r\n\r\n  @media (prefers-reduced-motion: reduce) {\r\n    .eipl-hero__image,\r\n    .eipl-hero__button,\r\n    .eipl-hero__button svg {\r\n      transition: none;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<section\r\n  class=\"eipl-hero\"\r\n  aria-labelledby=\"eipl-hero-title\"\r\n>\r\n  <div class=\"eipl-hero__container\">\r\n\r\n    <!-- =====================================================\r\n         CONTENU \u00c9DITORIAL\r\n    ====================================================== -->\r\n\r\n    <div class=\"eipl-hero__content\">\r\n\r\n      <nav\r\n        class=\"eipl-hero__breadcrumb\"\r\n        aria-label=\"Fil d\u2019Ariane\"\r\n      >\r\n        <a href=\"\/en\/\">Home<\/a>\r\n\r\n        <span\r\n          class=\"eipl-hero__breadcrumb-separator\"\r\n          aria-hidden=\"true\"\r\n        ><\/span>\r\n\r\n        <a href=\"\/en\/blog\/\">Blog<\/a>\r\n\r\n        <span\r\n          class=\"eipl-hero__breadcrumb-separator\"\r\n          aria-hidden=\"true\"\r\n        ><\/span>\r\n\r\n        <span aria-current=\"page\">\r\n          Plomberie sanitaire\r\n        <\/span>\r\n      <\/nav>\r\n\r\n      <div class=\"eipl-hero__eyebrow\">\r\n        <span\r\n          class=\"eipl-hero__eyebrow-icon\"\r\n          aria-hidden=\"true\"\r\n        >\r\n          <svg\r\n            viewbox=\"0 0 24 24\"\r\n            fill=\"none\"\r\n            stroke=\"currentColor\"\r\n            stroke-width=\"2\"\r\n            stroke-linecap=\"round\"\r\n            stroke-linejoin=\"round\"\r\n          >\r\n            <path d=\"M12 2s6 6.2 6 12a6 6 0 1 1-12 0c0-5.8 6-12 6-12Z\"><\/path>\r\n            <path d=\"M9.5 15.5c.7 1.2 1.6 1.8 2.8 1.8\"><\/path>\r\n          <\/svg>\r\n        <\/span>\r\n\r\n        Guide technique plomberie\r\n      <\/div>\r\n\r\n      <h1\r\n        id=\"eipl-hero-title\"\r\n        class=\"eipl-hero__title\"\r\n      >\r\n        Conception d\u2019un\r\n        <span class=\"eipl-hero__title-highlight\">\r\n          r\u00e9seau de plomberie sanitaire\r\n        <\/span>\r\n        :\r\n        <span class=\"eipl-hero__title-accent\">\r\n          \u00e9tapes\r\n        <\/span>,\r\n        calculs et bonnes pratiques\r\n      <\/h1>\r\n\r\n      <p class=\"eipl-hero__intro\">\r\n        La <strong>conception d\u2019un r\u00e9seau de plomberie sanitaire<\/strong>\r\n        consiste \u00e0 dimensionner l\u2019alimentation en eau, la production\r\n        d\u2019eau chaude et les \u00e9vacuations afin de garantir\r\n        <strong>pression, hygi\u00e8ne, confort et fiabilit\u00e9<\/strong>\r\n        dans l\u2019ensemble du b\u00e2timent.\r\n      <\/p>\r\n\r\n      <div\r\n        class=\"eipl-hero__meta\"\r\n        aria-label=\"Informations sur l\u2019article\"\r\n      >\r\n        <div class=\"eipl-hero__meta-item\">\r\n          <span\r\n            class=\"eipl-hero__meta-icon\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"2\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n            >\r\n              <circle cx=\"12\" cy=\"12\" r=\"9\"><\/circle>\r\n              <path d=\"M12 7v5l3 2\"><\/path>\r\n            <\/svg>\r\n          <\/span>\r\n\r\n          14 min de lecture\r\n        <\/div>\r\n\r\n        <div class=\"eipl-hero__meta-item\">\r\n          <span\r\n            class=\"eipl-hero__meta-icon\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"2\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n            >\r\n              <path d=\"M4 20V9\"><\/path>\r\n              <path d=\"M4 9h8\"><\/path>\r\n              <path d=\"M12 9V4\"><\/path>\r\n              <path d=\"M12 4h7\"><\/path>\r\n              <path d=\"M19 4v6\"><\/path>\r\n              <path d=\"M15 10h8\"><\/path>\r\n              <path d=\"M19 10v10\"><\/path>\r\n            <\/svg>\r\n          <\/span>\r\n\r\n          Alimentation, pression et d\u00e9bits\r\n        <\/div>\r\n\r\n        <div class=\"eipl-hero__meta-item\">\r\n          <span\r\n            class=\"eipl-hero__meta-icon\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"2\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n            >\r\n              <path d=\"M7 3v6\"><\/path>\r\n              <path d=\"M17 3v6\"><\/path>\r\n              <path d=\"M7 9h10\"><\/path>\r\n              <path d=\"M12 9v12\"><\/path>\r\n              <path d=\"M8 21h8\"><\/path>\r\n            <\/svg>\r\n          <\/span>\r\n\r\n          Eau potable, ECS et \u00e9vacuations\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"eipl-hero__actions\">\r\n        <a\r\n          class=\"eipl-hero__button eipl-hero__button--primary\"\r\n          href=\"#contenu-article\"\r\n        >\r\n          Lire le guide complet\r\n\r\n          <svg\r\n            viewbox=\"0 0 24 24\"\r\n            fill=\"none\"\r\n            stroke=\"currentColor\"\r\n            stroke-width=\"2.2\"\r\n            stroke-linecap=\"round\"\r\n            stroke-linejoin=\"round\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <path d=\"M5 12h14\"><\/path>\r\n            <path d=\"m13 6 6 6-6 6\"><\/path>\r\n          <\/svg>\r\n        <\/a>\r\n\r\n        <a\r\n          class=\"eipl-hero__button eipl-hero__button--secondary\"\r\n          href=\"\/en\/contact\/\"\r\n        >\r\n          Demander une \u00e9tude plomberie\r\n\r\n          <svg\r\n            viewbox=\"0 0 24 24\"\r\n            fill=\"none\"\r\n            stroke=\"currentColor\"\r\n            stroke-width=\"2.2\"\r\n            stroke-linecap=\"round\"\r\n            stroke-linejoin=\"round\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <path d=\"M5 12h14\"><\/path>\r\n            <path d=\"m13 6 6 6-6 6\"><\/path>\r\n          <\/svg>\r\n        <\/a>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <!-- =====================================================\r\n         VISUEL\r\n    ====================================================== -->\r\n\r\n    <div\r\n      class=\"eipl-hero__visual\"\r\n      aria-label=\"Conception et dimensionnement d\u2019un r\u00e9seau de plomberie sanitaire\"\r\n    >\r\n      <div class=\"eipl-hero__image-wrapper\">\r\n\r\n        <!--\r\n        Remplacer cette URL par l\u2019image r\u00e9elle de l\u2019article\r\n        dans la m\u00e9diath\u00e8que WordPress.\r\n\r\n        Format recommand\u00e9 :\r\n        - WebP\r\n        - largeur minimale : 1200 px\r\n        - hauteur minimale : 1400 px\r\n        - photo de r\u00e9seaux de plomberie, local technique,\r\n          ing\u00e9nieur fluides ou installation sanitaire\r\n        -->\r\n\r\n        <img fetchpriority=\"high\" decoding=\"async\"\r\n          class=\"eipl-hero__image\"\r\n          src=\"https:\/\/ellipse-ingenierie.com.tn\/wp-content\/uploads\/2026\/07\/modern-autonomous-heating-system-boiler-room-scaled.jpg\"\r\n          alt=\"Conception et dimensionnement d\u2019un r\u00e9seau de plomberie sanitaire dans un b\u00e2timent\"\r\n          width=\"900\"\r\n          height=\"1050\"\r\n          loading=\"eager\"\r\n        >\r\n\r\n        <div class=\"eipl-hero__image-label\">\r\n          <div class=\"eipl-hero__image-caption\">\r\n            <span class=\"eipl-hero__image-caption-small\">\r\n              Ellipse Engineering\r\n            <\/span>\r\n\r\n            <span class=\"eipl-hero__image-caption-title\">\r\n              Des r\u00e9seaux dimensionn\u00e9s pour assurer d\u00e9bit,\r\n              pression, hygi\u00e8ne et facilit\u00e9 de maintenance\r\n            <\/span>\r\n          <\/div>\r\n\r\n          <span\r\n            class=\"eipl-hero__image-badge\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"1.8\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n            >\r\n              <path d=\"M12 2s6 6.2 6 12a6 6 0 1 1-12 0c0-5.8 6-12 6-12Z\"><\/path>\r\n              <path d=\"M9.5 15.5c.7 1.2 1.6 1.8 2.8 1.8\"><\/path>\r\n            <\/svg>\r\n          <\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <!-- Carte plac\u00e9e dans le flux, sous l\u2019image,\r\n           afin d\u2019\u00e9viter toute superposition avec l\u2019article. -->\r\n\r\n      <aside class=\"eipl-hero__expert-card\">\r\n        <div class=\"eipl-hero__expert-top\">\r\n\r\n          <span\r\n            class=\"eipl-hero__expert-icon\"\r\n            aria-hidden=\"true\"\r\n          >\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"2\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n            >\r\n              <path d=\"M4 20V9\"><\/path>\r\n              <path d=\"M4 9h8\"><\/path>\r\n              <path d=\"M12 9V4\"><\/path>\r\n              <path d=\"M12 4h7\"><\/path>\r\n              <path d=\"M19 4v6\"><\/path>\r\n              <path d=\"M15 10h8\"><\/path>\r\n              <path d=\"M19 10v10\"><\/path>\r\n            <\/svg>\r\n          <\/span>\r\n\r\n          <div>\r\n            <span class=\"eipl-hero__expert-label\">\r\n              \u00c9tude de plomberie sanitaire\r\n            <\/span>\r\n\r\n            <span class=\"eipl-hero__expert-title\">\r\n              Les param\u00e8tres essentiels du dimensionnement\r\n            <\/span>\r\n          <\/div>\r\n        <\/div>\r\n\r\n        <div class=\"eipl-hero__expert-list\">\r\n          <span class=\"eipl-hero__expert-item\">\r\n            D\u00e9bits probables\r\n          <\/span>\r\n\r\n          <span class=\"eipl-hero__expert-item\">\r\n            Pression disponible\r\n          <\/span>\r\n\r\n          <span class=\"eipl-hero__expert-item\">\r\n            Diam\u00e8tres et pertes de charge\r\n          <\/span>\r\n\r\n          <span class=\"eipl-hero__expert-item\">\r\n            \u00c9vacuation et ventilation des r\u00e9seaux\r\n          <\/span>\r\n        <\/div>\r\n      <\/aside>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div\r\n    class=\"eipl-hero__bottom-line\"\r\n    aria-hidden=\"true\"\r\n  ><\/div>\r\n<\/section>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-724a8a2 e-con-full e-flex e-con e-parent\" data-id=\"724a8a2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-069f341 elementor-widget elementor-widget-html\" data-id=\"069f341\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!-- =========================================================\r\nCONTENU ARTICLE 3 \u2014 ELLIPSE ING\u00c9NIERIE\r\nArticle : Conception d\u2019un r\u00e9seau de plomberie sanitaire\r\n\u00c0 int\u00e9grer sous le HERO dans un widget HTML Elementor\r\n\r\nCSS enti\u00e8rement isol\u00e9 avec le pr\u00e9fixe .eipl-article\r\nOptimis\u00e9 SEO, GEO, responsive et accessibilit\u00e9\r\n========================================================= -->\r\n\r\n<style>\r\n  .eipl-article,\r\n  .eipl-article * {\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .eipl-article {\r\n    --eipl-primary: #00586f;\r\n    --eipl-primary-light: #0b7892;\r\n    --eipl-primary-pale: #eaf5f7;\r\n    --eipl-dark: #061b32;\r\n    --eipl-dark-soft: #0b2c43;\r\n    --eipl-orange: #f36c21;\r\n    --eipl-orange-light: #ff8a3d;\r\n    --eipl-white: #ffffff;\r\n    --eipl-light: #f5f8fa;\r\n    --eipl-light-blue: #eef6f8;\r\n    --eipl-text: #26394b;\r\n    --eipl-muted: #667789;\r\n    --eipl-border: rgba(0, 88, 111, 0.14);\r\n    --eipl-shadow: 0 18px 50px rgba(6, 27, 50, 0.08);\r\n\r\n    position: relative;\r\n    width: 100%;\r\n    overflow: hidden;\r\n    background: var(--eipl-white);\r\n    color: var(--eipl-text);\r\n    font-family: \"Inter\", \"Segoe UI\", Arial, sans-serif;\r\n  }\r\n\r\n  .eipl-article a {\r\n    color: var(--eipl-primary);\r\n    text-decoration: none;\r\n  }\r\n\r\n  .eipl-article a:hover {\r\n    color: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-article__container {\r\n    width: min(1240px, calc(100% - 48px));\r\n    margin: 0 auto;\r\n  }\r\n\r\n  .eipl-article__layout {\r\n    display: grid;\r\n    grid-template-columns: minmax(0, 1fr) 315px;\r\n    align-items: start;\r\n    gap: 58px;\r\n    padding: 90px 0 110px;\r\n  }\r\n\r\n  .eipl-article__main {\r\n    min-width: 0;\r\n  }\r\n\r\n  .eipl-article__section {\r\n    position: relative;\r\n    scroll-margin-top: 110px;\r\n  }\r\n\r\n  .eipl-article__section + .eipl-article__section {\r\n    margin-top: 82px;\r\n  }\r\n\r\n  .eipl-article__section-label {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 10px;\r\n    margin-bottom: 15px;\r\n    color: var(--eipl-primary);\r\n    font-size: 12px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.11em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__section-label::before {\r\n    content: \"\";\r\n    width: 28px;\r\n    height: 3px;\r\n    border-radius: 999px;\r\n    background: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-article__title {\r\n    margin: 0 0 24px;\r\n    color: var(--eipl-dark);\r\n    font-size: clamp(32px, 3.3vw, 46px);\r\n    line-height: 1.14;\r\n    font-weight: 850;\r\n    letter-spacing: -0.035em;\r\n    text-wrap: balance;\r\n  }\r\n\r\n  .eipl-article__title strong {\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-article__subtitle {\r\n    margin: 42px 0 16px;\r\n    color: var(--eipl-dark);\r\n    font-size: clamp(23px, 2.2vw, 30px);\r\n    line-height: 1.25;\r\n    font-weight: 820;\r\n    letter-spacing: -0.025em;\r\n  }\r\n\r\n  .eipl-article__paragraph {\r\n    margin: 0 0 19px;\r\n    color: var(--eipl-text);\r\n    font-size: 17px;\r\n    line-height: 1.84;\r\n  }\r\n\r\n  .eipl-article__paragraph strong {\r\n    color: var(--eipl-dark);\r\n    font-weight: 800;\r\n  }\r\n\r\n  .eipl-article__paragraph a {\r\n    font-weight: 750;\r\n    text-decoration: underline;\r\n    text-decoration-color: rgba(0, 88, 111, 0.25);\r\n    text-underline-offset: 4px;\r\n  }\r\n\r\n  \/* =========================================================\r\n     R\u00c9PONSE DIRECTE GEO\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__direct-answer {\r\n    position: relative;\r\n    overflow: hidden;\r\n    margin-bottom: 76px;\r\n    padding: 35px 38px;\r\n    border: 1px solid rgba(0, 88, 111, 0.15);\r\n    border-left: 5px solid var(--eipl-orange);\r\n    border-radius: 0 22px 22px 0;\r\n    background:\r\n      radial-gradient(\r\n        circle at 94% 10%,\r\n        rgba(11, 120, 146, 0.12),\r\n        transparent 38%\r\n      ),\r\n      linear-gradient(135deg, #f7fbfc, #ffffff);\r\n    box-shadow: var(--eipl-shadow);\r\n  }\r\n\r\n  .eipl-article__direct-answer::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    right: -25px;\r\n    bottom: -45px;\r\n    width: 170px;\r\n    height: 170px;\r\n    border: 18px solid rgba(0, 88, 111, 0.04);\r\n    border-radius: 50%;\r\n    pointer-events: none;\r\n  }\r\n\r\n  .eipl-article__direct-label {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 9px;\r\n    margin-bottom: 13px;\r\n    color: var(--eipl-orange);\r\n    font-size: 12px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__direct-label svg {\r\n    width: 18px;\r\n    height: 18px;\r\n  }\r\n\r\n  .eipl-article__direct-title {\r\n    position: relative;\r\n    z-index: 2;\r\n    margin: 0 0 12px;\r\n    color: var(--eipl-dark);\r\n    font-size: 25px;\r\n    line-height: 1.3;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__direct-text {\r\n    position: relative;\r\n    z-index: 2;\r\n    max-width: 860px;\r\n    margin: 0;\r\n    color: var(--eipl-text);\r\n    font-size: 18px;\r\n    line-height: 1.75;\r\n  }\r\n\r\n  .eipl-article__direct-text strong {\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  \/* =========================================================\r\n     SOMMAIRE\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__summary {\r\n    margin-bottom: 76px;\r\n    padding: 32px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 20px;\r\n    background: var(--eipl-light);\r\n  }\r\n\r\n  .eipl-article__summary-header {\r\n    display: flex;\r\n    align-items: center;\r\n    gap: 13px;\r\n    margin-bottom: 23px;\r\n  }\r\n\r\n  .eipl-article__summary-icon {\r\n    width: 44px;\r\n    height: 44px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 13px;\r\n    background: var(--eipl-primary);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__summary-icon svg {\r\n    width: 22px;\r\n    height: 22px;\r\n  }\r\n\r\n  .eipl-article__summary-title {\r\n    margin: 0;\r\n    color: var(--eipl-dark);\r\n    font-size: 21px;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__summary-list {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 12px 25px;\r\n    margin: 0;\r\n    padding: 0;\r\n    list-style: none;\r\n    counter-reset: eipl-summary;\r\n  }\r\n\r\n  .eipl-article__summary-item {\r\n    counter-increment: eipl-summary;\r\n  }\r\n\r\n  .eipl-article__summary-link {\r\n    display: flex;\r\n    align-items: flex-start;\r\n    gap: 11px;\r\n    padding: 11px 13px;\r\n    border-radius: 10px;\r\n    color: var(--eipl-text);\r\n    font-size: 14px;\r\n    line-height: 1.5;\r\n    font-weight: 700;\r\n    transition:\r\n      background-color 0.2s ease,\r\n      color 0.2s ease,\r\n      transform 0.2s ease;\r\n  }\r\n\r\n  .eipl-article__summary-link::before {\r\n    content: counter(eipl-summary, decimal-leading-zero);\r\n    flex: 0 0 auto;\r\n    color: var(--eipl-orange);\r\n    font-size: 11px;\r\n    font-weight: 900;\r\n    letter-spacing: 0.04em;\r\n  }\r\n\r\n  .eipl-article__summary-link:hover {\r\n    background: var(--eipl-white);\r\n    color: var(--eipl-primary);\r\n    transform: translateX(3px);\r\n  }\r\n\r\n  \/* =========================================================\r\n     CARTES OBJECTIFS\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__objectives {\r\n    display: grid;\r\n    grid-template-columns: repeat(3, minmax(0, 1fr));\r\n    gap: 18px;\r\n    margin-top: 33px;\r\n  }\r\n\r\n  .eipl-article__objective {\r\n    position: relative;\r\n    overflow: hidden;\r\n    padding: 25px 22px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 17px;\r\n    background: var(--eipl-white);\r\n    transition:\r\n      transform 0.25s ease,\r\n      box-shadow 0.25s ease,\r\n      border-color 0.25s ease;\r\n  }\r\n\r\n  .eipl-article__objective:hover {\r\n    transform: translateY(-5px);\r\n    border-color: rgba(0, 88, 111, 0.27);\r\n    box-shadow: var(--eipl-shadow);\r\n  }\r\n\r\n  .eipl-article__objective::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: -48px;\r\n    right: -48px;\r\n    width: 110px;\r\n    height: 110px;\r\n    border-radius: 50%;\r\n    background: rgba(0, 88, 111, 0.05);\r\n  }\r\n\r\n  .eipl-article__objective:nth-child(even)::after {\r\n    background: rgba(243, 108, 33, 0.07);\r\n  }\r\n\r\n  .eipl-article__objective-icon {\r\n    position: relative;\r\n    z-index: 2;\r\n    width: 48px;\r\n    height: 48px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    margin-bottom: 17px;\r\n    border-radius: 14px;\r\n    background: var(--eipl-primary-pale);\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-article__objective:nth-child(even)\r\n  .eipl-article__objective-icon {\r\n    background: #fff1e8;\r\n    color: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-article__objective-icon svg {\r\n    width: 23px;\r\n    height: 23px;\r\n  }\r\n\r\n  .eipl-article__objective-title {\r\n    position: relative;\r\n    z-index: 2;\r\n    margin: 0 0 8px;\r\n    color: var(--eipl-dark);\r\n    font-size: 17px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__objective-text {\r\n    position: relative;\r\n    z-index: 2;\r\n    margin: 0;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    line-height: 1.68;\r\n  }\r\n\r\n  \/* =========================================================\r\n     LISTE \u00c0 COCHES\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__check-list {\r\n    display: grid;\r\n    gap: 13px;\r\n    margin: 29px 0 0;\r\n    padding: 0;\r\n    list-style: none;\r\n  }\r\n\r\n  .eipl-article__check-item {\r\n    position: relative;\r\n    min-height: 48px;\r\n    padding: 12px 16px 12px 50px;\r\n    border: 1px solid rgba(0, 88, 111, 0.1);\r\n    border-radius: 12px;\r\n    background: #fbfdfd;\r\n    color: var(--eipl-text);\r\n    font-size: 15px;\r\n    line-height: 1.6;\r\n  }\r\n\r\n  .eipl-article__check-item::before {\r\n    content: \"\u2713\";\r\n    position: absolute;\r\n    top: 12px;\r\n    left: 14px;\r\n    width: 25px;\r\n    height: 25px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 50%;\r\n    background: var(--eipl-primary);\r\n    color: var(--eipl-white);\r\n    font-size: 13px;\r\n    font-weight: 900;\r\n  }\r\n\r\n  \/* =========================================================\r\n     TIMELINE\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__timeline {\r\n    position: relative;\r\n    display: grid;\r\n    gap: 19px;\r\n    margin-top: 38px;\r\n  }\r\n\r\n  .eipl-article__timeline::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: 29px;\r\n    bottom: 29px;\r\n    left: 29px;\r\n    width: 2px;\r\n    background: linear-gradient(\r\n      180deg,\r\n      var(--eipl-primary),\r\n      var(--eipl-orange)\r\n    );\r\n  }\r\n\r\n  .eipl-article__timeline-item {\r\n    position: relative;\r\n    display: grid;\r\n    grid-template-columns: 60px minmax(0, 1fr);\r\n    gap: 20px;\r\n  }\r\n\r\n  .eipl-article__timeline-number {\r\n    position: relative;\r\n    z-index: 2;\r\n    width: 60px;\r\n    height: 60px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border: 5px solid var(--eipl-white);\r\n    border-radius: 50%;\r\n    background: var(--eipl-primary);\r\n    box-shadow: 0 9px 25px rgba(0, 88, 111, 0.22);\r\n    color: var(--eipl-white);\r\n    font-size: 16px;\r\n    font-weight: 900;\r\n  }\r\n\r\n  .eipl-article__timeline-item:nth-child(even)\r\n  .eipl-article__timeline-number {\r\n    background: var(--eipl-orange);\r\n    box-shadow: 0 9px 25px rgba(243, 108, 33, 0.2);\r\n  }\r\n\r\n  .eipl-article__timeline-content {\r\n    padding: 24px 26px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 16px;\r\n    background: var(--eipl-white);\r\n    transition:\r\n      transform 0.25s ease,\r\n      box-shadow 0.25s ease,\r\n      border-color 0.25s ease;\r\n  }\r\n\r\n  .eipl-article__timeline-content:hover {\r\n    transform: translateY(-3px);\r\n    border-color: rgba(0, 88, 111, 0.26);\r\n    box-shadow: var(--eipl-shadow);\r\n  }\r\n\r\n  .eipl-article__timeline-title {\r\n    margin: 0 0 9px;\r\n    color: var(--eipl-dark);\r\n    font-size: 19px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__timeline-text {\r\n    margin: 0;\r\n    color: var(--eipl-muted);\r\n    font-size: 15px;\r\n    line-height: 1.72;\r\n  }\r\n\r\n  \/* =========================================================\r\n     TABLEAUX\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__table-wrapper {\r\n    width: 100%;\r\n    overflow-x: auto;\r\n    margin-top: 32px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 18px;\r\n    box-shadow: 0 14px 40px rgba(6, 27, 50, 0.06);\r\n  }\r\n\r\n  .eipl-article__table {\r\n    width: 100%;\r\n    min-width: 790px;\r\n    border-collapse: collapse;\r\n    background: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__table th {\r\n    padding: 18px 20px;\r\n    background: var(--eipl-primary);\r\n    color: var(--eipl-white);\r\n    font-size: 13px;\r\n    line-height: 1.4;\r\n    font-weight: 850;\r\n    letter-spacing: 0.04em;\r\n    text-align: left;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__table td {\r\n    padding: 18px 20px;\r\n    border-bottom: 1px solid var(--eipl-border);\r\n    color: var(--eipl-text);\r\n    font-size: 14px;\r\n    line-height: 1.65;\r\n    vertical-align: top;\r\n  }\r\n\r\n  .eipl-article__table tr:last-child td {\r\n    border-bottom: 0;\r\n  }\r\n\r\n  .eipl-article__table tbody tr:nth-child(even) {\r\n    background: #f8fbfc;\r\n  }\r\n\r\n  .eipl-article__table tbody tr:hover {\r\n    background: var(--eipl-primary-pale);\r\n  }\r\n\r\n  .eipl-article__table td:first-child {\r\n    color: var(--eipl-primary);\r\n    font-weight: 800;\r\n  }\r\n\r\n  \/* =========================================================\r\n     BLOC FORMULE\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__formula {\r\n    position: relative;\r\n    overflow: hidden;\r\n    margin-top: 34px;\r\n    padding: 34px;\r\n    border-radius: 20px;\r\n    background:\r\n      radial-gradient(\r\n        circle at 95% 10%,\r\n        rgba(11, 120, 146, 0.55),\r\n        transparent 40%\r\n      ),\r\n      linear-gradient(\r\n        135deg,\r\n        var(--eipl-dark),\r\n        var(--eipl-dark-soft)\r\n      );\r\n    box-shadow: 0 22px 55px rgba(6, 27, 50, 0.18);\r\n  }\r\n\r\n  .eipl-article__formula::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    right: -80px;\r\n    bottom: -105px;\r\n    width: 260px;\r\n    height: 260px;\r\n    border: 1px solid rgba(255, 255, 255, 0.1);\r\n    border-radius: 50%;\r\n  }\r\n\r\n  .eipl-article__formula-label {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: block;\r\n    margin-bottom: 12px;\r\n    color: var(--eipl-orange-light);\r\n    font-size: 11px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__formula-title {\r\n    position: relative;\r\n    z-index: 2;\r\n    margin: 0 0 18px;\r\n    color: var(--eipl-white);\r\n    font-size: 22px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__formula-equation {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: block;\r\n    margin: 0 0 20px;\r\n    padding: 18px 20px;\r\n    border: 1px solid rgba(255, 255, 255, 0.14);\r\n    border-radius: 13px;\r\n    background: rgba(255, 255, 255, 0.08);\r\n    color: var(--eipl-white);\r\n    font-size: clamp(17px, 2.1vw, 23px);\r\n    line-height: 1.45;\r\n    font-weight: 800;\r\n    text-align: center;\r\n    backdrop-filter: blur(8px);\r\n  }\r\n\r\n  .eipl-article__formula-text {\r\n    position: relative;\r\n    z-index: 2;\r\n    margin: 0;\r\n    color: rgba(255, 255, 255, 0.78);\r\n    font-size: 15px;\r\n    line-height: 1.75;\r\n  }\r\n\r\n  \/* =========================================================\r\n     CARTES R\u00c9SEAUX\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__networks {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 18px;\r\n    margin-top: 31px;\r\n  }\r\n\r\n  .eipl-article__network {\r\n    position: relative;\r\n    padding: 25px 23px 23px 69px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 16px;\r\n    background: var(--eipl-white);\r\n    transition:\r\n      transform 0.25s ease,\r\n      box-shadow 0.25s ease;\r\n  }\r\n\r\n  .eipl-article__network:hover {\r\n    transform: translateY(-4px);\r\n    box-shadow: var(--eipl-shadow);\r\n  }\r\n\r\n  .eipl-article__network-number {\r\n    position: absolute;\r\n    top: 23px;\r\n    left: 21px;\r\n    width: 33px;\r\n    height: 33px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 9px;\r\n    background: var(--eipl-primary);\r\n    color: var(--eipl-white);\r\n    font-size: 12px;\r\n    font-weight: 900;\r\n  }\r\n\r\n  .eipl-article__network:nth-child(even)\r\n  .eipl-article__network-number {\r\n    background: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-article__network-title {\r\n    margin: 0 0 7px;\r\n    color: var(--eipl-dark);\r\n    font-size: 17px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__network-text {\r\n    margin: 0;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    line-height: 1.65;\r\n  }\r\n\r\n  \/* =========================================================\r\n     BLOC IMPORTANT\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__notice {\r\n    position: relative;\r\n    margin-top: 34px;\r\n    padding: 28px 30px 28px 84px;\r\n    border: 1px solid rgba(243, 108, 33, 0.18);\r\n    border-radius: 18px;\r\n    background: #fff9f5;\r\n  }\r\n\r\n  .eipl-article__notice-icon {\r\n    position: absolute;\r\n    top: 27px;\r\n    left: 27px;\r\n    width: 41px;\r\n    height: 41px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 12px;\r\n    background: var(--eipl-orange);\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__notice-icon svg {\r\n    width: 21px;\r\n    height: 21px;\r\n  }\r\n\r\n  .eipl-article__notice-title {\r\n    margin: 0 0 8px;\r\n    color: var(--eipl-dark);\r\n    font-size: 18px;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__notice-text {\r\n    margin: 0;\r\n    color: var(--eipl-muted);\r\n    font-size: 15px;\r\n    line-height: 1.72;\r\n  }\r\n\r\n  \/* =========================================================\r\n     COMPARAISON\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__comparison {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 20px;\r\n    margin-top: 33px;\r\n  }\r\n\r\n  .eipl-article__comparison-card {\r\n    padding: 29px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 18px;\r\n    background: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__comparison-card--orange {\r\n    border-color: rgba(243, 108, 33, 0.2);\r\n    background: #fffaf7;\r\n  }\r\n\r\n  .eipl-article__comparison-heading {\r\n    display: flex;\r\n    align-items: center;\r\n    gap: 12px;\r\n    margin-bottom: 17px;\r\n  }\r\n\r\n  .eipl-article__comparison-icon {\r\n    width: 45px;\r\n    height: 45px;\r\n    flex: 0 0 auto;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 13px;\r\n    background: var(--eipl-primary-pale);\r\n    color: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-article__comparison-card--orange\r\n  .eipl-article__comparison-icon {\r\n    background: #ffeade;\r\n    color: var(--eipl-orange);\r\n  }\r\n\r\n  .eipl-article__comparison-icon svg {\r\n    width: 22px;\r\n    height: 22px;\r\n  }\r\n\r\n  .eipl-article__comparison-title {\r\n    margin: 0;\r\n    color: var(--eipl-dark);\r\n    font-size: 19px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__comparison-list {\r\n    display: grid;\r\n    gap: 10px;\r\n    margin: 0;\r\n    padding: 0;\r\n    list-style: none;\r\n  }\r\n\r\n  .eipl-article__comparison-item {\r\n    position: relative;\r\n    padding-left: 22px;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    line-height: 1.6;\r\n  }\r\n\r\n  .eipl-article__comparison-item::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: 8px;\r\n    left: 0;\r\n    width: 7px;\r\n    height: 7px;\r\n    border-radius: 50%;\r\n    background: var(--eipl-primary);\r\n  }\r\n\r\n  .eipl-article__comparison-card--orange\r\n  .eipl-article__comparison-item::before {\r\n    background: var(--eipl-orange);\r\n  }\r\n\r\n  \/* =========================================================\r\n     EXEMPLE\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__example {\r\n    position: relative;\r\n    overflow: hidden;\r\n    margin-top: 34px;\r\n    padding: 38px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 22px;\r\n    background:\r\n      radial-gradient(\r\n        circle at 90% 0%,\r\n        rgba(0, 88, 111, 0.1),\r\n        transparent 34%\r\n      ),\r\n      var(--eipl-light);\r\n  }\r\n\r\n  .eipl-article__example-label {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    margin-bottom: 13px;\r\n    color: var(--eipl-orange);\r\n    font-size: 11px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__example-title {\r\n    margin: 0 0 18px;\r\n    color: var(--eipl-dark);\r\n    font-size: 24px;\r\n    line-height: 1.35;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__example-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 14px;\r\n    margin-top: 24px;\r\n  }\r\n\r\n  .eipl-article__example-item {\r\n    padding: 17px 18px;\r\n    border-radius: 12px;\r\n    background: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__example-key {\r\n    display: block;\r\n    margin-bottom: 4px;\r\n    color: var(--eipl-primary);\r\n    font-size: 12px;\r\n    font-weight: 850;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__example-value {\r\n    display: block;\r\n    color: var(--eipl-text);\r\n    font-size: 14px;\r\n    line-height: 1.55;\r\n    font-weight: 700;\r\n  }\r\n\r\n  .eipl-article__example-conclusion {\r\n    margin: 23px 0 0;\r\n    padding-top: 20px;\r\n    border-top: 1px solid var(--eipl-border);\r\n    color: var(--eipl-text);\r\n    font-size: 15px;\r\n    line-height: 1.75;\r\n  }\r\n\r\n  \/* =========================================================\r\n     ERREURS\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__mistakes {\r\n    display: grid;\r\n    gap: 14px;\r\n    margin-top: 31px;\r\n  }\r\n\r\n  .eipl-article__mistake {\r\n    position: relative;\r\n    padding: 21px 22px 21px 66px;\r\n    border: 1px solid rgba(243, 108, 33, 0.16);\r\n    border-radius: 14px;\r\n    background: #fffaf7;\r\n  }\r\n\r\n  .eipl-article__mistake::before {\r\n    content: \"!\";\r\n    position: absolute;\r\n    top: 20px;\r\n    left: 20px;\r\n    width: 29px;\r\n    height: 29px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    border-radius: 50%;\r\n    background: var(--eipl-orange);\r\n    color: var(--eipl-white);\r\n    font-size: 15px;\r\n    font-weight: 900;\r\n  }\r\n\r\n  .eipl-article__mistake-title {\r\n    display: block;\r\n    margin-bottom: 4px;\r\n    color: var(--eipl-dark);\r\n    font-size: 16px;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__mistake-text {\r\n    display: block;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    line-height: 1.65;\r\n  }\r\n\r\n  \/* =========================================================\r\n     ELLIPSE ING\u00c9NIERIE\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__ellipse-block {\r\n    position: relative;\r\n    overflow: hidden;\r\n    padding: 42px;\r\n    border-radius: 24px;\r\n    background:\r\n      radial-gradient(\r\n        circle at 95% 10%,\r\n        rgba(11, 120, 146, 0.55),\r\n        transparent 42%\r\n      ),\r\n      linear-gradient(\r\n        135deg,\r\n        var(--eipl-dark),\r\n        var(--eipl-dark-soft)\r\n      );\r\n    box-shadow: 0 28px 70px rgba(6, 27, 50, 0.19);\r\n  }\r\n\r\n  .eipl-article__ellipse-block::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    right: -115px;\r\n    bottom: -145px;\r\n    width: 380px;\r\n    height: 380px;\r\n    border: 1px solid rgba(255, 255, 255, 0.09);\r\n    border-radius: 50%;\r\n  }\r\n\r\n  .eipl-article__ellipse-label {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 9px;\r\n    margin-bottom: 15px;\r\n    color: var(--eipl-orange-light);\r\n    font-size: 12px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__ellipse-title {\r\n    position: relative;\r\n    z-index: 2;\r\n    max-width: 730px;\r\n    margin: 0 0 19px;\r\n    color: var(--eipl-white);\r\n    font-size: clamp(30px, 3.4vw, 45px);\r\n    line-height: 1.18;\r\n    font-weight: 850;\r\n    letter-spacing: -0.035em;\r\n  }\r\n\r\n  .eipl-article__ellipse-text {\r\n    position: relative;\r\n    z-index: 2;\r\n    max-width: 770px;\r\n    margin: 0;\r\n    color: rgba(255, 255, 255, 0.78);\r\n    font-size: 16px;\r\n    line-height: 1.8;\r\n  }\r\n\r\n  .eipl-article__ellipse-points {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: grid;\r\n    grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    gap: 12px 24px;\r\n    margin: 28px 0 0;\r\n    padding: 0;\r\n    list-style: none;\r\n  }\r\n\r\n  .eipl-article__ellipse-point {\r\n    position: relative;\r\n    padding-left: 26px;\r\n    color: rgba(255, 255, 255, 0.88);\r\n    font-size: 14px;\r\n    line-height: 1.55;\r\n    font-weight: 700;\r\n  }\r\n\r\n  .eipl-article__ellipse-point::before {\r\n    content: \"\u2713\";\r\n    position: absolute;\r\n    top: 0;\r\n    left: 0;\r\n    color: var(--eipl-orange-light);\r\n    font-weight: 900;\r\n  }\r\n\r\n  .eipl-article__ellipse-links {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 11px;\r\n    margin-top: 30px;\r\n  }\r\n\r\n  .eipl-article__ellipse-link {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    padding: 11px 15px;\r\n    border: 1px solid rgba(255, 255, 255, 0.2);\r\n    border-radius: 999px;\r\n    background: rgba(255, 255, 255, 0.07);\r\n    color: var(--eipl-white) !important;\r\n    font-size: 12px;\r\n    font-weight: 750;\r\n    backdrop-filter: blur(8px);\r\n    transition:\r\n      background-color 0.2s ease,\r\n      border-color 0.2s ease,\r\n      transform 0.2s ease;\r\n  }\r\n\r\n  .eipl-article__ellipse-link:hover {\r\n    transform: translateY(-2px);\r\n    border-color: var(--eipl-orange);\r\n    background: rgba(255, 255, 255, 0.13);\r\n  }\r\n\r\n  \/* =========================================================\r\n     FAQ\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__faq {\r\n    display: grid;\r\n    gap: 14px;\r\n    margin-top: 33px;\r\n  }\r\n\r\n  .eipl-article__faq-item {\r\n    overflow: hidden;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 15px;\r\n    background: var(--eipl-white);\r\n    transition:\r\n      border-color 0.2s ease,\r\n      box-shadow 0.2s ease;\r\n  }\r\n\r\n  .eipl-article__faq-item[open] {\r\n    border-color: rgba(0, 88, 111, 0.28);\r\n    box-shadow: 0 14px 40px rgba(6, 27, 50, 0.07);\r\n  }\r\n\r\n  .eipl-article__faq-question {\r\n    position: relative;\r\n    display: block;\r\n    padding: 22px 62px 22px 23px;\r\n    color: var(--eipl-dark);\r\n    font-size: 16px;\r\n    line-height: 1.5;\r\n    font-weight: 820;\r\n    cursor: pointer;\r\n    list-style: none;\r\n  }\r\n\r\n  .eipl-article__faq-question::-webkit-details-marker {\r\n    display: none;\r\n  }\r\n\r\n  .eipl-article__faq-question::before,\r\n  .eipl-article__faq-question::after {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: 50%;\r\n    right: 23px;\r\n    width: 17px;\r\n    height: 2px;\r\n    border-radius: 999px;\r\n    background: var(--eipl-primary);\r\n    transition: transform 0.25s ease;\r\n  }\r\n\r\n  .eipl-article__faq-question::after {\r\n    transform: rotate(90deg);\r\n  }\r\n\r\n  .eipl-article__faq-item[open]\r\n  .eipl-article__faq-question::after {\r\n    transform: rotate(0deg);\r\n  }\r\n\r\n  .eipl-article__faq-answer {\r\n    padding: 0 23px 23px;\r\n    color: var(--eipl-muted);\r\n    font-size: 15px;\r\n    line-height: 1.75;\r\n  }\r\n\r\n  .eipl-article__faq-answer p {\r\n    margin: 0;\r\n  }\r\n\r\n  \/* =========================================================\r\n     CTA FINAL\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__cta {\r\n    position: relative;\r\n    overflow: hidden;\r\n    margin-top: 85px;\r\n    padding: 52px 48px;\r\n    border-radius: 25px;\r\n    background:\r\n      radial-gradient(\r\n        circle at 90% 20%,\r\n        rgba(255, 255, 255, 0.13),\r\n        transparent 30%\r\n      ),\r\n      linear-gradient(\r\n        135deg,\r\n        var(--eipl-primary),\r\n        var(--eipl-primary-light)\r\n      );\r\n    box-shadow: 0 27px 65px rgba(0, 88, 111, 0.23);\r\n  }\r\n\r\n  .eipl-article__cta::before {\r\n    content: \"\";\r\n    position: absolute;\r\n    top: -85px;\r\n    right: -80px;\r\n    width: 250px;\r\n    height: 250px;\r\n    border: 2px solid rgba(255, 255, 255, 0.12);\r\n    border-radius: 50%;\r\n  }\r\n\r\n  .eipl-article__cta-content {\r\n    position: relative;\r\n    z-index: 2;\r\n    max-width: 760px;\r\n  }\r\n\r\n  .eipl-article__cta-label {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 9px;\r\n    margin-bottom: 14px;\r\n    color: #ffd3b6;\r\n    font-size: 12px;\r\n    font-weight: 850;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__cta-title {\r\n    margin: 0 0 15px;\r\n    color: var(--eipl-white);\r\n    font-size: clamp(31px, 3.4vw, 46px);\r\n    line-height: 1.18;\r\n    font-weight: 850;\r\n    letter-spacing: -0.035em;\r\n  }\r\n\r\n  .eipl-article__cta-text {\r\n    max-width: 700px;\r\n    margin: 0;\r\n    color: rgba(255, 255, 255, 0.8);\r\n    font-size: 16px;\r\n    line-height: 1.75;\r\n  }\r\n\r\n  .eipl-article__cta-actions {\r\n    position: relative;\r\n    z-index: 2;\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 13px;\r\n    margin-top: 29px;\r\n  }\r\n\r\n  .eipl-article__cta-button {\r\n    min-height: 52px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    gap: 9px;\r\n    padding: 13px 21px;\r\n    border: 1px solid transparent;\r\n    border-radius: 11px;\r\n    font-size: 14px;\r\n    font-weight: 850;\r\n    transition:\r\n      transform 0.2s ease,\r\n      background-color 0.2s ease,\r\n      border-color 0.2s ease;\r\n  }\r\n\r\n  .eipl-article__cta-button:hover {\r\n    transform: translateY(-3px);\r\n  }\r\n\r\n  .eipl-article__cta-button--primary {\r\n    background: var(--eipl-orange);\r\n    color: var(--eipl-white) !important;\r\n  }\r\n\r\n  .eipl-article__cta-button--secondary {\r\n    border-color: rgba(255, 255, 255, 0.35);\r\n    background: rgba(255, 255, 255, 0.09);\r\n    color: var(--eipl-white) !important;\r\n    backdrop-filter: blur(8px);\r\n  }\r\n\r\n  .eipl-article__cta-button--secondary:hover {\r\n    background: rgba(255, 255, 255, 0.17);\r\n  }\r\n\r\n  \/* =========================================================\r\n     SIDEBAR\r\n  ========================================================= *\/\r\n\r\n  .eipl-article__sidebar {\r\n    position: sticky;\r\n    top: 100px;\r\n    display: grid;\r\n    gap: 22px;\r\n  }\r\n\r\n  .eipl-article__sidebar-card {\r\n    padding: 27px;\r\n    border: 1px solid var(--eipl-border);\r\n    border-radius: 18px;\r\n    background: var(--eipl-white);\r\n    box-shadow: 0 13px 38px rgba(6, 27, 50, 0.06);\r\n  }\r\n\r\n  .eipl-article__sidebar-card--dark {\r\n    border: 0;\r\n    background: linear-gradient(\r\n      145deg,\r\n      var(--eipl-dark),\r\n      var(--eipl-dark-soft)\r\n    );\r\n  }\r\n\r\n  .eipl-article__sidebar-label {\r\n    display: block;\r\n    margin-bottom: 9px;\r\n    color: var(--eipl-orange);\r\n    font-size: 10px;\r\n    font-weight: 900;\r\n    letter-spacing: 0.1em;\r\n    text-transform: uppercase;\r\n  }\r\n\r\n  .eipl-article__sidebar-title {\r\n    margin: 0 0 13px;\r\n    color: var(--eipl-dark);\r\n    font-size: 21px;\r\n    line-height: 1.3;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .eipl-article__sidebar-card--dark\r\n  .eipl-article__sidebar-title {\r\n    color: var(--eipl-white);\r\n  }\r\n\r\n  .eipl-article__sidebar-text {\r\n    margin: 0;\r\n    color: var(--eipl-muted);\r\n    font-size: 14px;\r\n    line-height: 1.7;\r\n  }\r\n\r\n  .eipl-article__sidebar-card--dark\r\n  .eipl-article__sidebar-text {\r\n    color: rgba(255, 255, 255, 0.72);\r\n  }\r\n\r\n  .eipl-article__sidebar-links {\r\n    display: grid;\r\n    gap: 8px;\r\n    margin-top: 19px;\r\n  }\r\n\r\n  .eipl-article__sidebar-link {\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: space-between;\r\n    gap: 12px;\r\n    padding: 11px 13px;\r\n    border-radius: 9px;\r\n    background: var(--eipl-light);\r\n    color: var(--eipl-text) !important;\r\n    font-size: 13px;\r\n    line-height: 1.45;\r\n    font-weight: 750;\r\n  }\r\n\r\n  .eipl-article__sidebar-link::after {\r\n    content: \"\u2192\";\r\n    color: var(--eipl-orange);\r\n    font-weight: 900;\r\n  }\r\n\r\n  .eipl-article__sidebar-link:hover {\r\n    background: var(--eipl-primary-pale);\r\n    color: var(--eipl-primary) !important;\r\n  }\r\n\r\n  .eipl-article__sidebar-button {\r\n    width: 100%;\r\n    min-height: 49px;\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    margin-top: 21px;\r\n    padding: 12px 18px;\r\n    border-radius: 10px;\r\n    background: var(--eipl-orange);\r\n    color: var(--eipl-white) !important;\r\n    font-size: 13px;\r\n    font-weight: 850;\r\n    transition:\r\n      transform 0.2s ease,\r\n      background-color 0.2s ease;\r\n  }\r\n\r\n  .eipl-article__sidebar-button:hover {\r\n    transform: translateY(-2px);\r\n    background: var(--eipl-orange-light);\r\n  }\r\n\r\n  \/* =========================================================\r\n     RESPONSIVE\r\n  ========================================================= *\/\r\n\r\n  @media (max-width: 1080px) {\r\n    .eipl-article__layout {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .eipl-article__sidebar {\r\n      position: static;\r\n      grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    }\r\n  }\r\n\r\n  @media (max-width: 840px) {\r\n    .eipl-article__objectives {\r\n      grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    }\r\n  }\r\n\r\n  @media (max-width: 767px) {\r\n    .eipl-article__container {\r\n      width: min(100% - 30px, 1240px);\r\n    }\r\n\r\n    .eipl-article__layout {\r\n      gap: 48px;\r\n      padding: 60px 0 75px;\r\n    }\r\n\r\n    .eipl-article__section + .eipl-article__section {\r\n      margin-top: 62px;\r\n    }\r\n\r\n    .eipl-article__direct-answer {\r\n      margin-bottom: 55px;\r\n      padding: 27px 23px 27px 25px;\r\n    }\r\n\r\n    .eipl-article__direct-title {\r\n      font-size: 21px;\r\n    }\r\n\r\n    .eipl-article__direct-text {\r\n      font-size: 16px;\r\n    }\r\n\r\n    .eipl-article__summary {\r\n      margin-bottom: 58px;\r\n      padding: 24px 19px;\r\n    }\r\n\r\n    .eipl-article__summary-list,\r\n    .eipl-article__objectives,\r\n    .eipl-article__networks,\r\n    .eipl-article__comparison,\r\n    .eipl-article__example-grid,\r\n    .eipl-article__ellipse-points,\r\n    .eipl-article__sidebar {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .eipl-article__paragraph {\r\n      font-size: 16px;\r\n      line-height: 1.78;\r\n    }\r\n\r\n    .eipl-article__timeline-item {\r\n      grid-template-columns: 48px minmax(0, 1fr);\r\n      gap: 14px;\r\n    }\r\n\r\n    .eipl-article__timeline::before {\r\n      left: 23px;\r\n    }\r\n\r\n    .eipl-article__timeline-number {\r\n      width: 48px;\r\n      height: 48px;\r\n      border-width: 4px;\r\n      font-size: 13px;\r\n    }\r\n\r\n    .eipl-article__timeline-content {\r\n      padding: 20px;\r\n    }\r\n\r\n    .eipl-article__formula,\r\n    .eipl-article__example,\r\n    .eipl-article__ellipse-block,\r\n    .eipl-article__cta {\r\n      padding: 32px 24px;\r\n      border-radius: 20px;\r\n    }\r\n\r\n    .eipl-article__notice {\r\n      padding: 80px 23px 25px;\r\n    }\r\n\r\n    .eipl-article__notice-icon {\r\n      top: 23px;\r\n      left: 23px;\r\n    }\r\n\r\n    .eipl-article__cta-actions {\r\n      align-items: stretch;\r\n      flex-direction: column;\r\n    }\r\n\r\n    .eipl-article__cta-button {\r\n      width: 100%;\r\n    }\r\n  }\r\n\r\n  @media (max-width: 520px) {\r\n    .eipl-article__network {\r\n      padding: 72px 21px 22px;\r\n    }\r\n\r\n    .eipl-article__network-number {\r\n      top: 21px;\r\n      left: 21px;\r\n    }\r\n\r\n    .eipl-article__ellipse-links {\r\n      align-items: stretch;\r\n      flex-direction: column;\r\n    }\r\n\r\n    .eipl-article__ellipse-link {\r\n      justify-content: center;\r\n      border-radius: 10px;\r\n      text-align: center;\r\n    }\r\n  }\r\n\r\n  @media (prefers-reduced-motion: reduce) {\r\n    .eipl-article *,\r\n    .eipl-article *::before,\r\n    .eipl-article *::after {\r\n      scroll-behavior: auto !important;\r\n      transition: none !important;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<article\r\n  id=\"contenu-article\"\r\n  class=\"eipl-article\"\r\n  aria-label=\"Conception d\u2019un r\u00e9seau de plomberie sanitaire\"\r\n>\r\n  <div class=\"eipl-article__container\">\r\n\r\n    <div class=\"eipl-article__layout\">\r\n\r\n      <main class=\"eipl-article__main\">\r\n\r\n        <!-- =================================================\r\n             R\u00c9PONSE IMM\u00c9DIATE \u2014 OPTIMISATION GEO\r\n        ================================================== -->\r\n\r\n        <section\r\n          class=\"eipl-article__direct-answer\"\r\n          aria-labelledby=\"eipl-reponse-title\"\r\n        >\r\n          <span class=\"eipl-article__direct-label\">\r\n            <svg\r\n              viewbox=\"0 0 24 24\"\r\n              fill=\"none\"\r\n              stroke=\"currentColor\"\r\n              stroke-width=\"2\"\r\n              stroke-linecap=\"round\"\r\n              stroke-linejoin=\"round\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <circle cx=\"12\" cy=\"12\" r=\"9\"><\/circle>\r\n              <path d=\"M9.5 9a2.5 2.5 0 1 1 4.3 1.7c-.9.9-1.8 1.3-1.8 2.8\"><\/path>\r\n              <path d=\"M12 17h.01\"><\/path>\r\n            <\/svg>\r\n\r\n            R\u00e9ponse essentielle\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-reponse-title\"\r\n            class=\"eipl-article__direct-title\"\r\n          >\r\n            Comment concevoir un r\u00e9seau de plomberie sanitaire ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__direct-text\">\r\n            La <strong>conception d\u2019un r\u00e9seau de plomberie sanitaire<\/strong>\r\n            consiste \u00e0 identifier les besoins en eau, calculer les d\u00e9bits\r\n            probables, v\u00e9rifier la pression disponible, dimensionner les\r\n            canalisations et organiser l\u2019\u00e9vacuation des eaux us\u00e9es. Elle\r\n            doit garantir un d\u00e9bit suffisant \u00e0 chaque appareil, une\r\n            pression ma\u00eetris\u00e9e, une eau hygi\u00e9nique, un fonctionnement\r\n            silencieux et un acc\u00e8s simple pour la maintenance.\r\n          <\/p>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SOMMAIRE\r\n        ================================================== -->\r\n\r\n        <nav\r\n          class=\"eipl-article__summary\"\r\n          aria-label=\"Sommaire de l\u2019article\"\r\n        >\r\n          <div class=\"eipl-article__summary-header\">\r\n            <span\r\n              class=\"eipl-article__summary-icon\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <svg\r\n                viewbox=\"0 0 24 24\"\r\n                fill=\"none\"\r\n                stroke=\"currentColor\"\r\n                stroke-width=\"2\"\r\n                stroke-linecap=\"round\"\r\n                stroke-linejoin=\"round\"\r\n              >\r\n                <path d=\"M8 6h13\"><\/path>\r\n                <path d=\"M8 12h13\"><\/path>\r\n                <path d=\"M8 18h13\"><\/path>\r\n                <path d=\"M3 6h.01\"><\/path>\r\n                <path d=\"M3 12h.01\"><\/path>\r\n                <path d=\"M3 18h.01\"><\/path>\r\n              <\/svg>\r\n            <\/span>\r\n\r\n            <h2 class=\"eipl-article__summary-title\">\r\n              Sommaire du guide\r\n            <\/h2>\r\n          <\/div>\r\n\r\n          <ol class=\"eipl-article__summary-list\">\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#definition-plomberie\"\r\n              >\r\n                D\u00e9finition et objectifs de l\u2019\u00e9tude\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#donnees-plomberie\"\r\n              >\r\n                Les donn\u00e9es n\u00e9cessaires\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#methode-plomberie\"\r\n              >\r\n                La m\u00e9thode de conception\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#alimentation-eau\"\r\n              >\r\n                Alimentation en eau potable\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#pression-plomberie\"\r\n              >\r\n                Pression et pertes de charge\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#eau-chaude-sanitaire\"\r\n              >\r\n                Production d\u2019eau chaude sanitaire\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#evacuations-sanitaires\"\r\n              >\r\n                \u00c9vacuation des eaux us\u00e9es\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#materiaux-plomberie\"\r\n              >\r\n                Choix des mat\u00e9riaux\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#coordination-plomberie\"\r\n              >\r\n                Coordination technique\r\n              <\/a>\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__summary-item\">\r\n              <a\r\n                class=\"eipl-article__summary-link\"\r\n                href=\"#faq-plomberie\"\r\n              >\r\n                Questions fr\u00e9quentes\r\n              <\/a>\r\n            <\/li>\r\n          <\/ol>\r\n        <\/nav>\r\n\r\n        <!-- =================================================\r\n             SECTION 1 \u2014 D\u00c9FINITION\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"definition-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-definition-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Comprendre l\u2019\u00e9tude\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-definition-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Qu\u2019est-ce qu\u2019une\r\n            <strong>\u00e9tude de plomberie sanitaire<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Une \u00e9tude de plomberie sanitaire d\u00e9finit la mani\u00e8re dont\r\n            l\u2019eau est distribu\u00e9e, chauff\u00e9e, utilis\u00e9e puis \u00e9vacu\u00e9e dans un\r\n            b\u00e2timent. Elle couvre g\u00e9n\u00e9ralement l\u2019alimentation en eau\r\n            froide, la production et la distribution d\u2019eau chaude\r\n            sanitaire, le bouclage \u00e9ventuel, les \u00e9vacuations, les\r\n            ventilations de chute et, selon le projet, les eaux pluviales.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            L\u2019objectif est de fournir \u00e0 chaque appareil sanitaire le\r\n            <strong>d\u00e9bit et la pression n\u00e9cessaires<\/strong>, tout en\r\n            \u00e9vitant les surpressions, les bruits, les stagnations, les\r\n            pertes d\u2019\u00e9nergie et les risques de contamination.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            L\u2019ing\u00e9nieur doit \u00e9galement int\u00e9grer les contraintes\r\n            architecturales, la structure du b\u00e2timent, les gaines\r\n            techniques, les hauteurs disponibles, la maintenance, le\r\n            phasage des travaux et les prescriptions applicables au\r\n            projet.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__objectives\">\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M12 2s6 6.2 6 12a6 6 0 1 1-12 0c0-5.8 6-12 6-12Z\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Garantir le d\u00e9bit\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Chaque point de puisage doit pouvoir fonctionner dans de\r\n                bonnes conditions, y compris lors des p\u00e9riodes de forte\r\n                utilisation.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <circle cx=\"12\" cy=\"12\" r=\"9\"><\/circle>\r\n                  <path d=\"M12 7v5\"><\/path>\r\n                  <path d=\"m12 12 4-2\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Ma\u00eetriser la pression\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                La pression doit rester suffisante aux \u00e9tages \u00e9lev\u00e9s sans\r\n                devenir excessive aux niveaux inf\u00e9rieurs.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M12 3 4 7v5c0 5 3.3 8.2 8 9 4.7-.8 8-4 8-9V7l-8-4Z\"><\/path>\r\n                  <path d=\"m9 12 2 2 4-4\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Pr\u00e9server l\u2019hygi\u00e8ne\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                La conception doit limiter les volumes stagnants, les\r\n                retours d\u2019eau et les conditions favorables \u00e0 une\r\n                d\u00e9gradation sanitaire.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M4 7h16\"><\/path>\r\n                  <path d=\"M7 4v6\"><\/path>\r\n                  <path d=\"M17 4v6\"><\/path>\r\n                  <path d=\"M12 7v13\"><\/path>\r\n                  <path d=\"M8 20h8\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Assurer l\u2019\u00e9vacuation\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les eaux us\u00e9es doivent s\u2019\u00e9couler correctement sans\r\n                d\u00e9siphonnage, remont\u00e9e d\u2019odeurs ni obstruction r\u00e9p\u00e9t\u00e9e.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M3 12h18\"><\/path>\r\n                  <path d=\"M8 7 3 12l5 5\"><\/path>\r\n                  <path d=\"m16 7 5 5-5 5\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Limiter les pertes\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les parcours, diam\u00e8tres et \u00e9quipements sont optimis\u00e9s\r\n                pour r\u00e9duire les pertes de charge, de chaleur et d\u2019eau.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M14.7 6.3a4 4 0 0 0-5.4 5.4L3 18v3h3l6.3-6.3a4 4 0 0 0 5.4-5.4l-2.4 2.4-3-3 2.4-2.4Z\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Faciliter la maintenance\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les vannes, collecteurs, pompes, filtres et organes de\r\n                contr\u00f4le doivent rester accessibles.\r\n              <\/p>\r\n            <\/article>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 2 \u2014 DONN\u00c9ES\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"donnees-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-donnees-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Informations de d\u00e9part\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-donnees-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Quelles donn\u00e9es sont n\u00e9cessaires pour\r\n            <strong>dimensionner le r\u00e9seau<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            La qualit\u00e9 du dimensionnement d\u00e9pend directement de la\r\n            pr\u00e9cision des informations disponibles. Le bureau d\u2019\u00e9tudes\r\n            commence par analyser les plans architecturaux, le programme,\r\n            l\u2019usage des locaux et les caract\u00e9ristiques du branchement\r\n            d\u2019eau.\r\n          <\/p>\r\n\r\n          <ul class=\"eipl-article__check-list\">\r\n            <li class=\"eipl-article__check-item\">\r\n              La destination du b\u00e2timent : logement, h\u00f4tel, \u00e9cole,\r\n              h\u00f4pital, bureaux, commerce, industrie ou \u00e9quipement public.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              Le nombre et le type d\u2019appareils sanitaires install\u00e9s dans\r\n              chaque zone.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              Les horaires d\u2019occupation et les p\u00e9riodes probables de\r\n              fonctionnement simultan\u00e9.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              La pression disponible au point de raccordement au r\u00e9seau\r\n              public ou \u00e0 la r\u00e9serve d\u2019eau.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              Les niveaux altim\u00e9triques, le nombre d\u2019\u00e9tages et la hauteur\r\n              du point de puisage le plus d\u00e9favoris\u00e9.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              La temp\u00e9rature d\u2019eau chaude attendue et les profils de\r\n              consommation.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              La position des gaines, locaux techniques, collecteurs,\r\n              regards et points de raccordement.\r\n            <\/li>\r\n\r\n            <li class=\"eipl-article__check-item\">\r\n              Les contraintes de maintenance, d\u2019acoustique, d\u2019hygi\u00e8ne et\r\n              d\u2019exploitation du b\u00e2timent.\r\n            <\/li>\r\n          <\/ul>\r\n\r\n          <div class=\"eipl-article__notice\">\r\n            <span\r\n              class=\"eipl-article__notice-icon\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <svg\r\n                viewbox=\"0 0 24 24\"\r\n                fill=\"none\"\r\n                stroke=\"currentColor\"\r\n                stroke-width=\"2\"\r\n                stroke-linecap=\"round\"\r\n                stroke-linejoin=\"round\"\r\n              >\r\n                <circle cx=\"12\" cy=\"12\" r=\"9\"><\/circle>\r\n                <path d=\"M12 7v5\"><\/path>\r\n                <path d=\"M12 16h.01\"><\/path>\r\n              <\/svg>\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__notice-title\">\r\n              La pression du r\u00e9seau doit \u00eatre mesur\u00e9e\r\n            <\/h3>\r\n\r\n            <p class=\"eipl-article__notice-text\">\r\n              La pression th\u00e9orique communiqu\u00e9e pour un secteur ne suffit\r\n              pas toujours. Une mesure aux p\u00e9riodes repr\u00e9sentatives\r\n              permet de v\u00e9rifier la pression statique, la pression\r\n              dynamique et les variations susceptibles d\u2019affecter le\r\n              fonctionnement du b\u00e2timent.\r\n            <\/p>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 3 \u2014 M\u00c9THODE\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"methode-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-methode-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Processus d\u2019\u00e9tude\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-methode-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Quelles sont les \u00e9tapes de\r\n            <strong>conception d\u2019un r\u00e9seau de plomberie<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Le r\u00e9seau est \u00e9tudi\u00e9 de mani\u00e8re globale, depuis le point de\r\n            livraison jusqu\u2019au dernier appareil sanitaire. Les r\u00e9seaux\r\n            d\u2019alimentation et d\u2019\u00e9vacuation sont ensuite coordonn\u00e9s avec\r\n            l\u2019architecture, la structure et les autres lots techniques.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__timeline\">\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">01<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Recenser les \u00e9quipements sanitaires\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Lavabos, douches, baignoires, \u00e9viers, WC, urinoirs,\r\n                  machines, robinets de service et \u00e9quipements sp\u00e9cifiques\r\n                  sont identifi\u00e9s sur les plans.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">02<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  D\u00e9terminer les besoins en eau\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Les consommations et d\u00e9bits th\u00e9oriques sont \u00e9valu\u00e9s\r\n                  selon le nombre d\u2019appareils, leur usage et le niveau de\r\n                  simultan\u00e9it\u00e9 attendu.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">03<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Tracer les r\u00e9seaux principaux\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Les colonnes, collecteurs, d\u00e9rivations, gaines et\r\n                  passages horizontaux sont implant\u00e9s en recherchant des\r\n                  parcours courts et accessibles.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">04<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Calculer les d\u00e9bits probables\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Le calcul tient compte du fait que tous les appareils ne\r\n                  fonctionnent pas simultan\u00e9ment. Le d\u00e9bit probable est\r\n                  \u00e9tabli par tron\u00e7on.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">05<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Dimensionner les canalisations\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Les diam\u00e8tres sont d\u00e9finis en v\u00e9rifiant les vitesses,\r\n                  les pertes de charge, le niveau sonore et la pression\r\n                  disponible au point d\u00e9favoris\u00e9.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">06<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  \u00c9tudier l\u2019eau chaude sanitaire\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  La production, le stockage, la distribution,\r\n                  l\u2019isolation et le bouclage sont adapt\u00e9s aux profils de\r\n                  consommation du b\u00e2timent.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">07<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Dimensionner les \u00e9vacuations\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Les collecteurs, chutes, branchements, pentes,\r\n                  ventilations et regards sont \u00e9tudi\u00e9s pour assurer un\r\n                  \u00e9coulement r\u00e9gulier.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__timeline-item\">\r\n              <span class=\"eipl-article__timeline-number\">08<\/span>\r\n\r\n              <div class=\"eipl-article__timeline-content\">\r\n                <h3 class=\"eipl-article__timeline-title\">\r\n                  Coordonner et produire les livrables\r\n                <\/h3>\r\n\r\n                <p class=\"eipl-article__timeline-text\">\r\n                  Les plans, sch\u00e9mas, d\u00e9tails, notes de calcul,\r\n                  prescriptions et quantitatifs sont finalis\u00e9s apr\u00e8s la\r\n                  synth\u00e8se avec les autres intervenants.\r\n                <\/p>\r\n              <\/div>\r\n            <\/article>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 4 \u2014 ALIMENTATION EAU\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"alimentation-eau\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-alimentation-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Eau froide sanitaire\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-alimentation-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Comment dimensionner le\r\n            <strong>r\u00e9seau d\u2019alimentation en eau<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Le dimensionnement commence par le d\u00e9bit unitaire de chaque\r\n            appareil. Ces d\u00e9bits ne sont pas simplement additionn\u00e9s sur\r\n            l\u2019ensemble du b\u00e2timent, car tous les points de puisage ne sont\r\n            g\u00e9n\u00e9ralement pas utilis\u00e9s au m\u00eame instant.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Un coefficient ou une m\u00e9thode de simultan\u00e9it\u00e9 est appliqu\u00e9\r\n            pour obtenir le <strong>d\u00e9bit probable<\/strong> de chaque\r\n            tron\u00e7on. Le diam\u00e8tre est ensuite choisi afin de conserver une\r\n            vitesse acceptable et une perte de charge compatible avec la\r\n            pression disponible.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__formula\">\r\n            <span class=\"eipl-article__formula-label\">\r\n              Principe simplifi\u00e9\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__formula-title\">\r\n              V\u00e9rification hydraulique d\u2019un tron\u00e7on\r\n            <\/h3>\r\n\r\n            <span class=\"eipl-article__formula-equation\">\r\n              Pression disponible = pression d\u2019alimentation \u2212 hauteur\r\n              g\u00e9om\u00e9trique \u2212 pertes de charge\r\n            <\/span>\r\n\r\n            <p class=\"eipl-article__formula-text\">\r\n              La pression restante au point de puisage doit \u00eatre\r\n              suffisante pour permettre le bon fonctionnement de\r\n              l\u2019appareil, du robinet ou de l\u2019\u00e9quipement raccord\u00e9. Le\r\n              calcul est men\u00e9 jusqu\u2019au point le plus d\u00e9favoris\u00e9 du r\u00e9seau.\r\n            <\/p>\r\n          <\/div>\r\n\r\n          <h3 class=\"eipl-article__subtitle\">\r\n            Pourquoi les diam\u00e8tres ne doivent-ils pas \u00eatre choisis trop\r\n            grands ?\r\n          <\/h3>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Un diam\u00e8tre excessif r\u00e9duit la vitesse, mais augmente le\r\n            volume d\u2019eau contenu dans les canalisations. Cela peut\r\n            allonger le temps d\u2019attente, accro\u00eetre les volumes stagnants,\r\n            augmenter le co\u00fbt des mat\u00e9riaux et, pour l\u2019eau chaude,\r\n            accentuer les pertes thermiques.\r\n          <\/p>\r\n\r\n          <h3 class=\"eipl-article__subtitle\">\r\n            Pourquoi les diam\u00e8tres ne doivent-ils pas \u00eatre trop petits ?\r\n          <\/h3>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Un diam\u00e8tre insuffisant augmente la vitesse et les pertes de\r\n            charge. Il peut provoquer une baisse de pression lors des\r\n            puisages simultan\u00e9s, du bruit dans les r\u00e9seaux, des coups de\r\n            b\u00e9lier et une usure pr\u00e9matur\u00e9e de certains \u00e9quipements.\r\n          <\/p>\r\n\r\n          <div\r\n            class=\"eipl-article__table-wrapper\"\r\n            role=\"region\"\r\n            aria-label=\"Crit\u00e8res de dimensionnement du r\u00e9seau d\u2019eau\"\r\n            tabindex=\"0\"\r\n          >\r\n            <table class=\"eipl-article__table\">\r\n              <thead>\r\n                <tr>\r\n                  <th>Crit\u00e8re<\/th>\r\n                  <th>Objectif<\/th>\r\n                  <th>Risque en cas de mauvaise conception<\/th>\r\n                  <th>V\u00e9rification du BET<\/th>\r\n                <\/tr>\r\n              <\/thead>\r\n\r\n              <tbody>\r\n                <tr>\r\n                  <td>D\u00e9bit probable<\/td>\r\n                  <td>\r\n                    Alimenter les appareils susceptibles de fonctionner\r\n                    simultan\u00e9ment.\r\n                  <\/td>\r\n                  <td>\r\n                    D\u00e9bit insuffisant ou r\u00e9seau inutilement\r\n                    surdimensionn\u00e9.\r\n                  <\/td>\r\n                  <td>\r\n                    Calcul par tron\u00e7on selon les \u00e9quipements et usages.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Vitesse d\u2019eau<\/td>\r\n                  <td>\r\n                    Limiter le bruit, l\u2019\u00e9rosion et les pertes de charge.\r\n                  <\/td>\r\n                  <td>\r\n                    Sifflements, vibrations et fonctionnement instable.\r\n                  <\/td>\r\n                  <td>\r\n                    Contr\u00f4le de la vitesse dans chaque diam\u00e8tre.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Pression r\u00e9siduelle<\/td>\r\n                  <td>\r\n                    Assurer le fonctionnement des appareils d\u00e9favoris\u00e9s.\r\n                  <\/td>\r\n                  <td>\r\n                    Faible d\u00e9bit aux \u00e9tages \u00e9lev\u00e9s ou aux extr\u00e9mit\u00e9s.\r\n                  <\/td>\r\n                  <td>\r\n                    Bilan de pression jusqu\u2019au point le plus \u00e9loign\u00e9.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Surpression<\/td>\r\n                  <td>\r\n                    Prot\u00e9ger les appareils et limiter les consommations.\r\n                  <\/td>\r\n                  <td>\r\n                    Fuites, bruit, usure et gaspillage d\u2019eau.\r\n                  <\/td>\r\n                  <td>\r\n                    \u00c9tude de r\u00e9ducteurs de pression ou de zones s\u00e9par\u00e9es.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Accessibilit\u00e9<\/td>\r\n                  <td>\r\n                    Permettre l\u2019isolement et l\u2019entretien du r\u00e9seau.\r\n                  <\/td>\r\n                  <td>\r\n                    Interventions difficiles et coupures g\u00e9n\u00e9rales.\r\n                  <\/td>\r\n                  <td>\r\n                    Implantation des vannes, collecteurs et trappes.\r\n                  <\/td>\r\n                <\/tr>\r\n              <\/tbody>\r\n            <\/table>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 5 \u2014 PRESSION\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"pression-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-pression-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            \u00c9quilibre hydraulique\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-pression-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Comment g\u00e9rer la <strong>pression de l\u2019eau<\/strong>\r\n            dans un b\u00e2timent ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            La pression disponible diminue lorsque l\u2019eau monte dans le\r\n            b\u00e2timent et lorsqu\u2019elle traverse les canalisations, vannes,\r\n            compteurs, filtres et appareils. Dans les b\u00e2timents \u00e9lev\u00e9s ou\r\n            tr\u00e8s \u00e9tendus, le r\u00e9seau public peut ne pas fournir une\r\n            pression suffisante.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            \u00c0 l\u2019inverse, les niveaux bas peuvent \u00eatre soumis \u00e0 une\r\n            pression excessive. Le r\u00e9seau peut alors \u00eatre divis\u00e9 en zones\r\n            de pression distinctes avec des r\u00e9ducteurs, des surpresseurs,\r\n            des r\u00e9servoirs ou des \u00e9quipements de r\u00e9gulation adapt\u00e9s.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__comparison\">\r\n\r\n            <article class=\"eipl-article__comparison-card\">\r\n              <div class=\"eipl-article__comparison-heading\">\r\n                <span\r\n                  class=\"eipl-article__comparison-icon\"\r\n                  aria-hidden=\"true\"\r\n                >\r\n                  <svg\r\n                    viewbox=\"0 0 24 24\"\r\n                    fill=\"none\"\r\n                    stroke=\"currentColor\"\r\n                    stroke-width=\"2\"\r\n                    stroke-linecap=\"round\"\r\n                    stroke-linejoin=\"round\"\r\n                  >\r\n                    <path d=\"M12 20V4\"><\/path>\r\n                    <path d=\"m6 10 6-6 6 6\"><\/path>\r\n                  <\/svg>\r\n                <\/span>\r\n\r\n                <h3 class=\"eipl-article__comparison-title\">\r\n                  Pression insuffisante\r\n                <\/h3>\r\n              <\/div>\r\n\r\n              <ul class=\"eipl-article__comparison-list\">\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Faible d\u00e9bit aux appareils.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Mauvais fonctionnement des \u00e9quipements.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Inconfort aux niveaux \u00e9lev\u00e9s.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  N\u00e9cessit\u00e9 \u00e9ventuelle d\u2019un surpresseur.\r\n                <\/li>\r\n              <\/ul>\r\n            <\/article>\r\n\r\n            <article\r\n              class=\"eipl-article__comparison-card eipl-article__comparison-card--orange\"\r\n            >\r\n              <div class=\"eipl-article__comparison-heading\">\r\n                <span\r\n                  class=\"eipl-article__comparison-icon\"\r\n                  aria-hidden=\"true\"\r\n                >\r\n                  <svg\r\n                    viewbox=\"0 0 24 24\"\r\n                    fill=\"none\"\r\n                    stroke=\"currentColor\"\r\n                    stroke-width=\"2\"\r\n                    stroke-linecap=\"round\"\r\n                    stroke-linejoin=\"round\"\r\n                  >\r\n                    <path d=\"M12 4v16\"><\/path>\r\n                    <path d=\"m6 14 6 6 6-6\"><\/path>\r\n                  <\/svg>\r\n                <\/span>\r\n\r\n                <h3 class=\"eipl-article__comparison-title\">\r\n                  Pression excessive\r\n                <\/h3>\r\n              <\/div>\r\n\r\n              <ul class=\"eipl-article__comparison-list\">\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Bruits et vibrations dans les r\u00e9seaux.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Augmentation des consommations.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Sollicitation des robinets et flexibles.\r\n                <\/li>\r\n\r\n                <li class=\"eipl-article__comparison-item\">\r\n                  Besoin de r\u00e9ducteurs ou de zones s\u00e9par\u00e9es.\r\n                <\/li>\r\n              <\/ul>\r\n            <\/article>\r\n          <\/div>\r\n\r\n          <div class=\"eipl-article__notice\">\r\n            <span\r\n              class=\"eipl-article__notice-icon\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <svg\r\n                viewbox=\"0 0 24 24\"\r\n                fill=\"none\"\r\n                stroke=\"currentColor\"\r\n                stroke-width=\"2\"\r\n                stroke-linecap=\"round\"\r\n                stroke-linejoin=\"round\"\r\n              >\r\n                <path d=\"M4 19V5\"><\/path>\r\n                <path d=\"M4 19h16\"><\/path>\r\n                <path d=\"m7 15 4-4 3 3 4-6\"><\/path>\r\n              <\/svg>\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__notice-title\">\r\n              Le surpresseur doit \u00eatre dimensionn\u00e9 selon le besoin r\u00e9el\r\n            <\/h3>\r\n\r\n            <p class=\"eipl-article__notice-text\">\r\n              Une pompe trop puissante peut g\u00e9n\u00e9rer des surpressions, une\r\n              consommation \u00e9lectrique inutile et des d\u00e9marrages fr\u00e9quents.\r\n              Le BET d\u00e9finit le d\u00e9bit, la hauteur manom\u00e9trique, la\r\n              r\u00e9gulation et le volume de stockage n\u00e9cessaires.\r\n            <\/p>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 6 \u2014 ECS\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"eau-chaude-sanitaire\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-ecs-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Production et distribution\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-ecs-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Comment concevoir la\r\n            <strong>production d\u2019eau chaude sanitaire<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            La production d\u2019eau chaude sanitaire doit \u00eatre adapt\u00e9e au\r\n            nombre d\u2019utilisateurs, aux profils de consommation, aux\r\n            p\u00e9riodes de pointe et au temps de r\u00e9cup\u00e9ration du syst\u00e8me.\r\n            Les besoins d\u2019une villa, d\u2019un h\u00f4tel, d\u2019un internat ou d\u2019un\r\n            \u00e9tablissement de sant\u00e9 sont tr\u00e8s diff\u00e9rents.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Le bureau d\u2019\u00e9tudes compare les solutions instantan\u00e9es,\r\n            semi-accumul\u00e9es ou avec stockage. Il \u00e9tudie \u00e9galement la\r\n            source d\u2019\u00e9nergie, le volume de stockage, la puissance de\r\n            production, l\u2019isolation, les s\u00e9curit\u00e9s, les temp\u00e9ratures de\r\n            fonctionnement et le bouclage.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__networks\">\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">01<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Production instantan\u00e9e\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                L\u2019eau est chauff\u00e9e au moment du puisage. La puissance doit\r\n                r\u00e9pondre directement au d\u00e9bit de pointe.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">02<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Production avec stockage\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Un ballon permet de couvrir les pointes et de r\u00e9duire la\r\n                puissance instantan\u00e9e de production.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">03<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Bouclage d\u2019eau chaude\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Une circulation maintient l\u2019eau chaude pr\u00e8s des points de\r\n                puisage et limite le temps d\u2019attente.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">04<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Isolation thermique\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                L\u2019isolation des conduites r\u00e9duit les pertes d\u2019\u00e9nergie et\r\n                les variations de temp\u00e9rature dans le r\u00e9seau.\r\n              <\/p>\r\n            <\/article>\r\n          <\/div>\r\n\r\n          <h3 class=\"eipl-article__subtitle\">\r\n            Pourquoi pr\u00e9voir un bouclage d\u2019eau chaude ?\r\n          <\/h3>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Lorsque les points de puisage sont \u00e9loign\u00e9s, l\u2019utilisateur\r\n            doit laisser couler l\u2019eau refroidie pr\u00e9sente dans la\r\n            canalisation avant d\u2019obtenir de l\u2019eau chaude. Le bouclage\r\n            r\u00e9duit ce d\u00e9lai, mais il doit \u00eatre \u00e9quilibr\u00e9 et correctement\r\n            isol\u00e9 pour \u00e9viter une consommation \u00e9nerg\u00e9tique excessive.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__notice\">\r\n            <span\r\n              class=\"eipl-article__notice-icon\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <svg\r\n                viewbox=\"0 0 24 24\"\r\n                fill=\"none\"\r\n                stroke=\"currentColor\"\r\n                stroke-width=\"2\"\r\n                stroke-linecap=\"round\"\r\n                stroke-linejoin=\"round\"\r\n              >\r\n                <path d=\"M12 2s6 6.2 6 12a6 6 0 1 1-12 0c0-5.8 6-12 6-12Z\"><\/path>\r\n                <path d=\"M9 16c1.2 1.2 2.4 1.5 4 1\"><\/path>\r\n              <\/svg>\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__notice-title\">\r\n              Eau chaude : confort et hygi\u00e8ne doivent \u00eatre \u00e9tudi\u00e9s ensemble\r\n            <\/h3>\r\n\r\n            <p class=\"eipl-article__notice-text\">\r\n              La temp\u00e9rature, les volumes stock\u00e9s, les longueurs de\r\n              r\u00e9seau, les p\u00e9riodes d\u2019inutilisation et les conditions\r\n              d\u2019exploitation doivent \u00eatre analys\u00e9s afin de limiter les\r\n              risques sanitaires et les pertes \u00e9nerg\u00e9tiques.\r\n            <\/p>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 7 \u2014 \u00c9VACUATION\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"evacuations-sanitaires\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-evacuation-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Eaux us\u00e9es et eaux vannes\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-evacuation-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Comment dimensionner les\r\n            <strong>r\u00e9seaux d\u2019\u00e9vacuation sanitaire<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Les \u00e9vacuations fonctionnent g\u00e9n\u00e9ralement par gravit\u00e9. Leur\r\n            conception repose sur le diam\u00e8tre, la pente, le d\u00e9bit\r\n            probable, le remplissage partiel des conduites et la\r\n            ventilation des r\u00e9seaux.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Les appareils sont raccord\u00e9s \u00e0 des branchements, eux-m\u00eames\r\n            reli\u00e9s \u00e0 des chutes verticales et \u00e0 des collecteurs\r\n            horizontaux. Les trac\u00e9s doivent limiter les changements de\r\n            direction, permettre le curage et \u00e9viter les contre-pentes.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__networks\">\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">01<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Branchements d\u2019appareils\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Ils relient les \u00e9quipements aux collecteurs avec des\r\n                longueurs et pentes adapt\u00e9es.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">02<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Chutes verticales\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Elles regroupent les \u00e9vacuations des diff\u00e9rents niveaux\r\n                dans les gaines techniques.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">03<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Collecteurs horizontaux\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Ils conduisent les effluents vers le r\u00e9seau ext\u00e9rieur,\r\n                les regards ou le dispositif de traitement.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">04<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Ventilation des chutes\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Elle \u00e9quilibre les pressions et prot\u00e8ge les siphons contre\r\n                le d\u00e9samor\u00e7age.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">05<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Tampons et acc\u00e8s de curage\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Ils permettent l\u2019inspection et le d\u00e9bouchage des tron\u00e7ons\r\n                sensibles.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__network\">\r\n              <span class=\"eipl-article__network-number\">06<\/span>\r\n\r\n              <h3 class=\"eipl-article__network-title\">\r\n                Postes de relevage\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__network-text\">\r\n                Ils sont pr\u00e9vus lorsque les points d\u2019\u00e9vacuation se situent\r\n                sous le niveau du r\u00e9seau gravitaire.\r\n              <\/p>\r\n            <\/article>\r\n          <\/div>\r\n\r\n          <h3 class=\"eipl-article__subtitle\">\r\n            Quelle diff\u00e9rence entre eaux us\u00e9es et eaux vannes ?\r\n          <\/h3>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Les eaux us\u00e9es proviennent notamment des lavabos, douches,\r\n            baignoires, \u00e9viers et appareils m\u00e9nagers. Les eaux vannes\r\n            proviennent des WC et urinoirs. Selon la conception du\r\n            b\u00e2timent et les prescriptions du projet, ces effluents\r\n            peuvent \u00eatre regroup\u00e9s ou trait\u00e9s dans des r\u00e9seaux distincts.\r\n          <\/p>\r\n\r\n          <h3 class=\"eipl-article__subtitle\">\r\n            Pourquoi ventiler les chutes ?\r\n          <\/h3>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Lorsqu\u2019un volume d\u2019eau se d\u00e9place dans une chute, il cr\u00e9e des\r\n            variations de pression. Sans ventilation suffisante, ces\r\n            variations peuvent aspirer l\u2019eau des siphons et permettre aux\r\n            odeurs du r\u00e9seau de p\u00e9n\u00e9trer dans les locaux.\r\n          <\/p>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 8 \u2014 MAT\u00c9RIAUX\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"materiaux-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-materiaux-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Choix technique\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-materiaux-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Quels mat\u00e9riaux choisir pour les\r\n            <strong>canalisations sanitaires<\/strong> ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Le choix d\u00e9pend de la nature du fluide, de la temp\u00e9rature, de\r\n            la pression, de la qualit\u00e9 de l\u2019eau, des conditions de pose,\r\n            du risque de corrosion, de l\u2019acoustique, du co\u00fbt et de la\r\n            disponibilit\u00e9 locale.\r\n          <\/p>\r\n\r\n          <div\r\n            class=\"eipl-article__table-wrapper\"\r\n            role=\"region\"\r\n            aria-label=\"Comparaison des mat\u00e9riaux de plomberie\"\r\n            tabindex=\"0\"\r\n          >\r\n            <table class=\"eipl-article__table\">\r\n              <thead>\r\n                <tr>\r\n                  <th>Mat\u00e9riau<\/th>\r\n                  <th>Applications courantes<\/th>\r\n                  <th>Atouts<\/th>\r\n                  <th>Points de vigilance<\/th>\r\n                <\/tr>\r\n              <\/thead>\r\n\r\n              <tbody>\r\n                <tr>\r\n                  <td>Cuivre<\/td>\r\n                  <td>\r\n                    Eau froide, eau chaude et r\u00e9seaux techniques.\r\n                  <\/td>\r\n                  <td>\r\n                    Durabilit\u00e9, tenue en temp\u00e9rature et faible dilatation.\r\n                  <\/td>\r\n                  <td>\r\n                    Qualit\u00e9 de l\u2019eau, corrosion, assemblage et co\u00fbt.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Multicouche<\/td>\r\n                  <td>\r\n                    Distribution int\u00e9rieure d\u2019eau froide et chaude.\r\n                  <\/td>\r\n                  <td>\r\n                    Pose rapide, faible corrosion et bonne maniabilit\u00e9.\r\n                  <\/td>\r\n                  <td>\r\n                    Dilatation, qualit\u00e9 des raccords et respect du syst\u00e8me.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>PER<\/td>\r\n                  <td>\r\n                    Distribution sanitaire encastr\u00e9e ou sous fourreau.\r\n                  <\/td>\r\n                  <td>\r\n                    Flexibilit\u00e9, rapidit\u00e9 de pose et r\u00e9sistance \u00e0 la\r\n                    corrosion.\r\n                  <\/td>\r\n                  <td>\r\n                    Dilatation, protection m\u00e9canique et rayons de\r\n                    courbure.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>PP-R<\/td>\r\n                  <td>\r\n                    Eau froide et chaude dans de nombreux b\u00e2timents.\r\n                  <\/td>\r\n                  <td>\r\n                    R\u00e9sistance \u00e0 la corrosion et assemblage par fusion.\r\n                  <\/td>\r\n                  <td>\r\n                    Dilatation, supports et qualit\u00e9 des soudures.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>PVC \u00e9vacuation<\/td>\r\n                  <td>\r\n                    Eaux us\u00e9es, eaux vannes et ventilation.\r\n                  <\/td>\r\n                  <td>\r\n                    L\u00e9g\u00e8ret\u00e9, disponibilit\u00e9 et facilit\u00e9 de mise en \u0153uvre.\r\n                  <\/td>\r\n                  <td>\r\n                    Acoustique, dilatation, temp\u00e9rature et fixation.\r\n                  <\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                  <td>Fonte<\/td>\r\n                  <td>\r\n                    Chutes et collecteurs n\u00e9cessitant une bonne acoustique.\r\n                  <\/td>\r\n                  <td>\r\n                    Robustesse, tenue au feu et r\u00e9duction du bruit.\r\n                  <\/td>\r\n                  <td>\r\n                    Poids, co\u00fbt, manutention et protection des assemblages.\r\n                  <\/td>\r\n                <\/tr>\r\n              <\/tbody>\r\n            <\/table>\r\n          <\/div>\r\n\r\n          <div class=\"eipl-article__notice\">\r\n            <span\r\n              class=\"eipl-article__notice-icon\"\r\n              aria-hidden=\"true\"\r\n            >\r\n              <svg\r\n                viewbox=\"0 0 24 24\"\r\n                fill=\"none\"\r\n                stroke=\"currentColor\"\r\n                stroke-width=\"2\"\r\n                stroke-linecap=\"round\"\r\n                stroke-linejoin=\"round\"\r\n              >\r\n                <path d=\"M12 3 4 7v5c0 5 3.3 8.2 8 9 4.7-.8 8-4 8-9V7l-8-4Z\"><\/path>\r\n                <path d=\"m9 12 2 2 4-4\"><\/path>\r\n              <\/svg>\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__notice-title\">\r\n              Un mat\u00e9riau ne doit pas \u00eatre choisi uniquement selon son prix\r\n            <\/h3>\r\n\r\n            <p class=\"eipl-article__notice-text\">\r\n              Le co\u00fbt de pose, les raccords, les supports, l\u2019isolation,\r\n              la maintenance, la dur\u00e9e de vie et la compatibilit\u00e9 avec\r\n              l\u2019eau distribu\u00e9e doivent \u00eatre int\u00e9gr\u00e9s \u00e0 la comparaison.\r\n            <\/p>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 9 \u2014 COORDINATION\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"coordination-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-coordination-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Synth\u00e8se technique\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-coordination-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Pourquoi la <strong>coordination des r\u00e9seaux<\/strong>\r\n            est-elle indispensable ?\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Les canalisations de plomberie traversent les gaines, les\r\n            faux plafonds, les locaux techniques et parfois les planchers.\r\n            Elles doivent cohabiter avec les r\u00e9seaux CVC, les chemins de\r\n            c\u00e2bles, les luminaires, la structure, les \u00e9quipements\r\n            incendie et les \u00e9l\u00e9ments architecturaux.\r\n          <\/p>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            La coordination permet de r\u00e9server les tr\u00e9mies et percements,\r\n            de maintenir les pentes des \u00e9vacuations, de conserver les\r\n            hauteurs libres et d\u2019assurer l\u2019accessibilit\u00e9 aux \u00e9quipements.\r\n            Elle r\u00e9duit les modifications et les reprises pendant les\r\n            travaux.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__objectives\">\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"m12 3 8 4-8 4-8-4 8-4Z\"><\/path>\r\n                  <path d=\"m4 12 8 4 8-4\"><\/path>\r\n                  <path d=\"m4 17 8 4 8-4\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                R\u00e9servations structurelles\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les percements et tr\u00e9mies sont d\u00e9finis avant l\u2019ex\u00e9cution\r\n                du gros \u0153uvre.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M3 18h18\"><\/path>\r\n                  <path d=\"m5 15 4-4 3 2 5-6\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Respect des pentes\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les \u00e9vacuations conservent une pente r\u00e9guli\u00e8re malgr\u00e9 les\r\n                autres r\u00e9seaux.\r\n              <\/p>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__objective\">\r\n              <span\r\n                class=\"eipl-article__objective-icon\"\r\n                aria-hidden=\"true\"\r\n              >\r\n                <svg\r\n                  viewbox=\"0 0 24 24\"\r\n                  fill=\"none\"\r\n                  stroke=\"currentColor\"\r\n                  stroke-width=\"2\"\r\n                  stroke-linecap=\"round\"\r\n                  stroke-linejoin=\"round\"\r\n                >\r\n                  <path d=\"M14.7 6.3a4 4 0 0 0-5.4 5.4L3 18v3h3l6.3-6.3a4 4 0 0 0 5.4-5.4l-2.4 2.4-3-3 2.4-2.4Z\"><\/path>\r\n                <\/svg>\r\n              <\/span>\r\n\r\n              <h3 class=\"eipl-article__objective-title\">\r\n                Acc\u00e8s de maintenance\r\n              <\/h3>\r\n\r\n              <p class=\"eipl-article__objective-text\">\r\n                Les vannes, siphons, pompes et tampons restent accessibles\r\n                apr\u00e8s les finitions.\r\n              <\/p>\r\n            <\/article>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 10 \u2014 EXEMPLE\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"exemple-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-exemple-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Cas simplifi\u00e9\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-exemple-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Exemple de conception d\u2019un\r\n            <strong>r\u00e9seau sanitaire d\u2019immeuble<\/strong>\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__paragraph\">\r\n            Prenons le cas d\u2019un immeuble comprenant plusieurs niveaux,\r\n            des logements superpos\u00e9s et des locaux techniques en partie\r\n            basse. L\u2019organisation des pi\u00e8ces humides permet de regrouper\r\n            les colonnes et de limiter les parcours horizontaux.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__example\">\r\n            <span class=\"eipl-article__example-label\">\r\n              Exemple p\u00e9dagogique\r\n            <\/span>\r\n\r\n            <h3 class=\"eipl-article__example-title\">\r\n              Immeuble collectif \u00e0 plusieurs niveaux\r\n            <\/h3>\r\n\r\n            <div class=\"eipl-article__example-grid\">\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  Alimentation\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  Une conduite g\u00e9n\u00e9rale alimente des colonnes verticales\r\n                  et des collecteurs par logement.\r\n                <\/span>\r\n              <\/div>\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  Pression\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  Le point d\u00e9favoris\u00e9 est v\u00e9rifi\u00e9 en int\u00e9grant la hauteur\r\n                  et les pertes de charge.\r\n                <\/span>\r\n              <\/div>\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  Eau chaude\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  La production et la distribution sont choisies selon le\r\n                  niveau de centralisation souhait\u00e9.\r\n                <\/span>\r\n              <\/div>\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  \u00c9vacuation\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  Les appareils superpos\u00e9s sont regroup\u00e9s sur des chutes\r\n                  ventil\u00e9es et accessibles.\r\n                <\/span>\r\n              <\/div>\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  Maintenance\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  Des vannes d\u2019isolement permettent d\u2019intervenir sans\r\n                  couper tout le b\u00e2timent.\r\n                <\/span>\r\n              <\/div>\r\n\r\n              <div class=\"eipl-article__example-item\">\r\n                <span class=\"eipl-article__example-key\">\r\n                  Coordination\r\n                <\/span>\r\n\r\n                <span class=\"eipl-article__example-value\">\r\n                  Les gaines sont dimensionn\u00e9es avec les r\u00e9seaux de\r\n                  ventilation et les r\u00e9servations structurelles.\r\n                <\/span>\r\n              <\/div>\r\n            <\/div>\r\n\r\n            <p class=\"eipl-article__example-conclusion\">\r\n              Le r\u00e9sultat recherch\u00e9 est un r\u00e9seau compact, \u00e9quilibr\u00e9,\r\n              accessible et suffisamment flexible pour permettre les\r\n              essais, la maintenance et le remplacement des \u00e9quipements\r\n              pendant la vie du b\u00e2timent.\r\n            <\/p>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 11 \u2014 ERREURS\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"erreurs-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-erreurs-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Points de vigilance\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-erreurs-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            Quelles sont les\r\n            <strong>erreurs \u00e0 \u00e9viter<\/strong> en plomberie sanitaire ?\r\n          <\/h2>\r\n\r\n          <div class=\"eipl-article__mistakes\">\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Additionner tous les d\u00e9bits sans simultan\u00e9it\u00e9\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Cette m\u00e9thode conduit g\u00e9n\u00e9ralement \u00e0 des canalisations,\r\n                pompes et \u00e9quipements inutilement surdimensionn\u00e9s.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                N\u00e9gliger la pression au point le plus d\u00e9favoris\u00e9\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Un diam\u00e8tre correct ne garantit pas \u00e0 lui seul une\r\n                pression suffisante aux niveaux \u00e9lev\u00e9s.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Multiplier les volumes d\u2019eau stagnante\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Les d\u00e9rivations inutiles et r\u00e9seaux surdimensionn\u00e9s\r\n                augmentent les temps de s\u00e9jour de l\u2019eau.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Oublier la ventilation des \u00e9vacuations\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Cela peut provoquer le d\u00e9siphonnage, les bruits\r\n                d\u2019\u00e9coulement et les remont\u00e9es d\u2019odeurs.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Pr\u00e9voir des collecteurs sans acc\u00e8s de curage\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Les interventions deviennent difficiles en cas\r\n                d\u2019obstruction ou d\u2019inspection du r\u00e9seau.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Enfermer les organes de maintenance\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Les vannes, filtres, pompes et raccords doivent rester\r\n                accessibles apr\u00e8s la pose des plafonds et habillages.\r\n              <\/span>\r\n            <\/article>\r\n\r\n            <article class=\"eipl-article__mistake\">\r\n              <span class=\"eipl-article__mistake-title\">\r\n                Reporter la synth\u00e8se au chantier\r\n              <\/span>\r\n\r\n              <span class=\"eipl-article__mistake-text\">\r\n                Les pentes, gaines et percements doivent \u00eatre coordonn\u00e9s\r\n                pendant les \u00e9tudes, avant l\u2019ex\u00e9cution.\r\n              <\/span>\r\n            <\/article>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 12 \u2014 ELLIPSE\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"ellipse-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-ellipse-title\"\r\n        >\r\n          <div class=\"eipl-article__ellipse-block\">\r\n\r\n            <span class=\"eipl-article__ellipse-label\">\r\n              L\u2019expertise Ellipse Ing\u00e9nierie\r\n            <\/span>\r\n\r\n            <h2\r\n              id=\"eipl-ellipse-title\"\r\n              class=\"eipl-article__ellipse-title\"\r\n            >\r\n              Des r\u00e9seaux sanitaires fiables, coordonn\u00e9s et adapt\u00e9s \u00e0\r\n              l\u2019exploitation du b\u00e2timent\r\n            <\/h2>\r\n\r\n            <p class=\"eipl-article__ellipse-text\">\r\n              Ellipse Ing\u00e9nierie accompagne les ma\u00eetres d\u2019ouvrage,\r\n              architectes, promoteurs et entreprises dans la conception,\r\n              le dimensionnement, la coordination et le suivi des\r\n              installations de plomberie sanitaire. Les \u00e9tudes prennent\r\n              en compte l\u2019usage du b\u00e2timent, les consommations, les\r\n              contraintes architecturales, l\u2019hygi\u00e8ne, la maintenance et\r\n              la performance globale du projet.\r\n            <\/p>\r\n\r\n            <ul class=\"eipl-article__ellipse-points\">\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                Calcul des besoins et d\u00e9bits probables\r\n              <\/li>\r\n\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                Dimensionnement des r\u00e9seaux d\u2019eau froide et chaude\r\n              <\/li>\r\n\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                \u00c9tude des pressions et pertes de charge\r\n              <\/li>\r\n\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                Production et bouclage d\u2019eau chaude sanitaire\r\n              <\/li>\r\n\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                \u00c9vacuation des eaux us\u00e9es, vannes et pluviales\r\n              <\/li>\r\n\r\n              <li class=\"eipl-article__ellipse-point\">\r\n                Plans, sch\u00e9mas, CCTP, quantitatifs et suivi des travaux\r\n              <\/li>\r\n            <\/ul>\r\n\r\n            <div class=\"eipl-article__ellipse-links\">\r\n              <a\r\n                class=\"eipl-article__ellipse-link\"\r\n                href=\"\/en\/contact\/\"\r\n              >\r\n                Demander une \u00e9tude plomberie\r\n              <\/a>\r\n\r\n              <a\r\n                class=\"eipl-article__ellipse-link\"\r\n                href=\"\/en\/blog\/bureau-etudes-cvc\/\"\r\n              >\r\n                D\u00e9couvrir le r\u00f4le d\u2019un BET CVC\r\n              <\/a>\r\n\r\n              <a\r\n                class=\"eipl-article__ellipse-link\"\r\n                href=\"\/en\/projets\/\"\r\n              >\r\n                Voir les projets Ellipse\r\n              <\/a>\r\n            <\/div>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             SECTION 13 \u2014 FAQ\r\n        ================================================== -->\r\n\r\n        <section\r\n          id=\"faq-plomberie\"\r\n          class=\"eipl-article__section\"\r\n          aria-labelledby=\"eipl-faq-title\"\r\n        >\r\n          <span class=\"eipl-article__section-label\">\r\n            Questions fr\u00e9quentes\r\n          <\/span>\r\n\r\n          <h2\r\n            id=\"eipl-faq-title\"\r\n            class=\"eipl-article__title\"\r\n          >\r\n            FAQ sur la\r\n            <strong>conception des r\u00e9seaux de plomberie<\/strong>\r\n          <\/h2>\r\n\r\n          <div class=\"eipl-article__faq\">\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Comment calculer le d\u00e9bit d\u2019un r\u00e9seau de plomberie ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Le calcul part des d\u00e9bits associ\u00e9s aux appareils\r\n                  sanitaires. Une m\u00e9thode de simultan\u00e9it\u00e9 est ensuite\r\n                  appliqu\u00e9e afin d\u2019obtenir le d\u00e9bit probable de chaque\r\n                  tron\u00e7on, car tous les appareils ne fonctionnent pas en\r\n                  m\u00eame temps.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Comment choisir le diam\u00e8tre d\u2019une canalisation d\u2019eau ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Le diam\u00e8tre est choisi en fonction du d\u00e9bit probable, de\r\n                  la vitesse de l\u2019eau, de la longueur du r\u00e9seau, des pertes\r\n                  de charge, de la hauteur du b\u00e2timent et de la pression\r\n                  n\u00e9cessaire au point le plus d\u00e9favoris\u00e9.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Quelle pression faut-il dans un r\u00e9seau sanitaire ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  La pression doit \u00eatre suffisante pour assurer le d\u00e9bit\r\n                  des appareils sans devenir excessive. La valeur adapt\u00e9e\r\n                  d\u00e9pend des \u00e9quipements, de la hauteur du b\u00e2timent, des\r\n                  pertes de charge et des prescriptions applicables au\r\n                  projet.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Pourquoi installer un surpresseur ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Un surpresseur est utilis\u00e9 lorsque la pression disponible\r\n                  ne permet pas d\u2019alimenter correctement les points de\r\n                  puisage les plus \u00e9lev\u00e9s ou les plus \u00e9loign\u00e9s. Il doit\r\n                  \u00eatre dimensionn\u00e9 selon le d\u00e9bit et la hauteur\r\n                  manom\u00e9trique n\u00e9cessaires.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Pourquoi boucler le r\u00e9seau d\u2019eau chaude ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Le bouclage maintient l\u2019eau chaude \u00e0 proximit\u00e9 des\r\n                  points de puisage, r\u00e9duit le temps d\u2019attente et limite\r\n                  l\u2019eau gaspill\u00e9e. Il doit \u00eatre \u00e9quilibr\u00e9 et isol\u00e9 pour\r\n                  ma\u00eetriser les pertes thermiques.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Quelle diff\u00e9rence entre eaux us\u00e9es et eaux vannes ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Les eaux us\u00e9es proviennent principalement des lavabos,\r\n                  douches, \u00e9viers et appareils m\u00e9nagers. Les eaux vannes\r\n                  proviennent des WC et urinoirs.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Pourquoi ventiler une chute d\u2019eaux us\u00e9es ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  La ventilation \u00e9quilibre les pressions dans le r\u00e9seau et\r\n                  prot\u00e8ge les siphons. Sans elle, les variations de\r\n                  pression peuvent provoquer des bruits, un d\u00e9samor\u00e7age\r\n                  des siphons et des remont\u00e9es d\u2019odeurs.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n\r\n            <details class=\"eipl-article__faq-item\">\r\n              <summary class=\"eipl-article__faq-question\">\r\n                Quel est le r\u00f4le d\u2019un bureau d\u2019\u00e9tudes plomberie ?\r\n              <\/summary>\r\n\r\n              <div class=\"eipl-article__faq-answer\">\r\n                <p>\r\n                  Le bureau d\u2019\u00e9tudes calcule les besoins, dimensionne les\r\n                  r\u00e9seaux et \u00e9quipements, produit les plans et pi\u00e8ces\r\n                  \u00e9crites, coordonne la plomberie avec les autres lots et\r\n                  peut contr\u00f4ler la bonne ex\u00e9cution des travaux.\r\n                <\/p>\r\n              <\/div>\r\n            <\/details>\r\n          <\/div>\r\n        <\/section>\r\n\r\n        <!-- =================================================\r\n             CTA FINAL\r\n        ================================================== -->\r\n\r\n        <section\r\n          class=\"eipl-article__cta\"\r\n          aria-labelledby=\"eipl-cta-title\"\r\n        >\r\n          <div class=\"eipl-article__cta-content\">\r\n            <span class=\"eipl-article__cta-label\">\r\n              Votre projet, notre expertise\r\n            <\/span>\r\n\r\n            <h2\r\n              id=\"eipl-cta-title\"\r\n              class=\"eipl-article__cta-title\"\r\n            >\r\n              Besoin de concevoir ou de r\u00e9nover un r\u00e9seau de plomberie ?\r\n            <\/h2>\r\n\r\n            <p class=\"eipl-article__cta-text\">\r\n              Ellipse Ing\u00e9nierie \u00e9tudie les r\u00e9seaux d\u2019eau froide, d\u2019eau\r\n              chaude, de bouclage, d\u2019\u00e9vacuation et d\u2019eaux pluviales en\r\n              fonction de l\u2019usage, de l\u2019architecture et des contraintes\r\n              techniques de votre b\u00e2timent.\r\n            <\/p>\r\n          <\/div>\r\n\r\n          <div class=\"eipl-article__cta-actions\">\r\n            <a\r\n              class=\"eipl-article__cta-button eipl-article__cta-button--primary\"\r\n              href=\"\/en\/contact\/\"\r\n            >\r\n              Demander une \u00e9tude plomberie\r\n            <\/a>\r\n\r\n            <a\r\n              class=\"eipl-article__cta-button eipl-article__cta-button--secondary\"\r\n              href=\"\/en\/projets\/\"\r\n            >\r\n              D\u00e9couvrir nos r\u00e9f\u00e9rences\r\n            <\/a>\r\n          <\/div>\r\n        <\/section>\r\n      <\/main>\r\n\r\n      <!-- =================================================\r\n           SIDEBAR\r\n      ================================================== -->\r\n\r\n      <aside\r\n        class=\"eipl-article__sidebar\"\r\n        aria-label=\"Informations compl\u00e9mentaires\"\r\n      >\r\n        <div class=\"eipl-article__sidebar-card\">\r\n          <span class=\"eipl-article__sidebar-label\">\r\n            Les param\u00e8tres essentiels\r\n          <\/span>\r\n\r\n          <h2 class=\"eipl-article__sidebar-title\">\r\n            Un r\u00e9seau \u00e9quilibr\u00e9 et maintenable\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__sidebar-text\">\r\n            Le dimensionnement associe les d\u00e9bits, les pressions, les\r\n            pertes de charge, les temp\u00e9ratures, les pentes et les\r\n            contraintes d\u2019exploitation.\r\n          <\/p>\r\n\r\n          <div class=\"eipl-article__sidebar-links\">\r\n            <a\r\n              class=\"eipl-article__sidebar-link\"\r\n              href=\"#alimentation-eau\"\r\n            >\r\n              D\u00e9bits et diam\u00e8tres\r\n            <\/a>\r\n\r\n            <a\r\n              class=\"eipl-article__sidebar-link\"\r\n              href=\"#pression-plomberie\"\r\n            >\r\n              Pression\r\n            <\/a>\r\n\r\n            <a\r\n              class=\"eipl-article__sidebar-link\"\r\n              href=\"#eau-chaude-sanitaire\"\r\n            >\r\n              Eau chaude\r\n            <\/a>\r\n\r\n            <a\r\n              class=\"eipl-article__sidebar-link\"\r\n              href=\"#evacuations-sanitaires\"\r\n            >\r\n              \u00c9vacuations\r\n            <\/a>\r\n          <\/div>\r\n        <\/div>\r\n\r\n        <div\r\n          class=\"eipl-article__sidebar-card eipl-article__sidebar-card--dark\"\r\n        >\r\n          <span class=\"eipl-article__sidebar-label\">\r\n            Ellipse Engineering\r\n          <\/span>\r\n\r\n          <h2 class=\"eipl-article__sidebar-title\">\r\n            Faites \u00e9tudier vos r\u00e9seaux\r\n          <\/h2>\r\n\r\n          <p class=\"eipl-article__sidebar-text\">\r\n            Construction neuve, r\u00e9novation, h\u00f4tel, villa, \u00e9tablissement\r\n            scolaire, clinique, commerce ou b\u00e2timent industriel : notre\r\n            \u00e9quipe vous accompagne.\r\n          <\/p>\r\n\r\n          <a\r\n            class=\"eipl-article__sidebar-button\"\r\n            href=\"\/en\/contact\/\"\r\n          >\r\n            Contacter Ellipse\r\n          <\/a>\r\n        <\/div>\r\n      <\/aside>\r\n    <\/div>\r\n  <\/div>\r\n<\/article>\r\n\r\n<!-- =========================================================\r\nDONN\u00c9ES STRUCTUR\u00c9ES FAQ\r\n\r\n\u00c0 supprimer si Rank Math, Yoast ou un autre plugin g\u00e9n\u00e8re d\u00e9j\u00e0\r\nautomatiquement le m\u00eame sch\u00e9ma FAQ.\r\n========================================================= -->\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Comment calculer le d\u00e9bit d\u2019un r\u00e9seau de plomberie ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le calcul part des d\u00e9bits associ\u00e9s aux appareils sanitaires. Une m\u00e9thode de simultan\u00e9it\u00e9 est ensuite appliqu\u00e9e afin d\u2019obtenir le d\u00e9bit probable de chaque tron\u00e7on, car tous les appareils ne fonctionnent pas en m\u00eame temps.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Comment choisir le diam\u00e8tre d\u2019une canalisation d\u2019eau ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le diam\u00e8tre est choisi en fonction du d\u00e9bit probable, de la vitesse de l\u2019eau, de la longueur du r\u00e9seau, des pertes de charge, de la hauteur du b\u00e2timent et de la pression n\u00e9cessaire au point le plus d\u00e9favoris\u00e9.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quelle pression faut-il dans un r\u00e9seau sanitaire ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"La pression doit \u00eatre suffisante pour assurer le d\u00e9bit des appareils sans devenir excessive. La valeur adapt\u00e9e d\u00e9pend des \u00e9quipements, de la hauteur du b\u00e2timent, des pertes de charge et des prescriptions applicables au projet.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Pourquoi installer un surpresseur ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Un surpresseur est utilis\u00e9 lorsque la pression disponible ne permet pas d\u2019alimenter correctement les points de puisage les plus \u00e9lev\u00e9s ou les plus \u00e9loign\u00e9s. Il doit \u00eatre dimensionn\u00e9 selon le d\u00e9bit et la hauteur manom\u00e9trique n\u00e9cessaires.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Pourquoi boucler le r\u00e9seau d\u2019eau chaude ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le bouclage maintient l\u2019eau chaude \u00e0 proximit\u00e9 des points de puisage, r\u00e9duit le temps d\u2019attente et limite l\u2019eau gaspill\u00e9e. Il doit \u00eatre \u00e9quilibr\u00e9 et isol\u00e9 pour ma\u00eetriser les pertes thermiques.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quelle diff\u00e9rence entre eaux us\u00e9es et eaux vannes ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Les eaux us\u00e9es proviennent principalement des lavabos, douches, \u00e9viers et appareils m\u00e9nagers. Les eaux vannes proviennent des WC et urinoirs.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Pourquoi ventiler une chute d\u2019eaux us\u00e9es ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"La ventilation \u00e9quilibre les pressions dans le r\u00e9seau et prot\u00e8ge les siphons. Sans elle, les variations de pression peuvent provoquer des bruits, un d\u00e9samor\u00e7age des siphons et des remont\u00e9es d\u2019odeurs.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Quel est le r\u00f4le d\u2019un bureau d\u2019\u00e9tudes plomberie ?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Le bureau d\u2019\u00e9tudes calcule les besoins, dimensionne les r\u00e9seaux et \u00e9quipements, produit les plans et pi\u00e8ces \u00e9crites, coordonne la plomberie avec les autres lots et peut contr\u00f4ler la bonne ex\u00e9cution des travaux.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Accueil Blog Plomberie sanitaire Guide technique plomberie Conception d\u2019un r\u00e9seau de plomberie sanitaire : \u00e9tapes , calculs et bonnes pratiques La conception d\u2019un r\u00e9seau de plomberie sanitaire consiste \u00e0 dimensionner l\u2019alimentation en eau, la production d\u2019eau chaude et les \u00e9vacuations afin de garantir pression, hygi\u00e8ne, confort et fiabilit\u00e9 dans l\u2019ensemble du b\u00e2timent. 14 min de [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5757,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-5734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-techniques"],"_links":{"self":[{"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/posts\/5734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/comments?post=5734"}],"version-history":[{"count":4,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/posts\/5734\/revisions"}],"predecessor-version":[{"id":5740,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/posts\/5734\/revisions\/5740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/media\/5757"}],"wp:attachment":[{"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/media?parent=5734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/categories?post=5734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse-ingenierie.com.tn\/en\/wp-json\/wp\/v2\/tags?post=5734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}