標(biāo)準(zhǔn)號(hào)：BS 8490-2007
中文標(biāo)準(zhǔn)名稱：虹吸排水系統(tǒng)指南
英文標(biāo)準(zhǔn)名稱：Guide to siphonic roof drainage systems
標(biāo)準(zhǔn)類型：P42
發(fā)布日期：2007/3/30 12:00:00
實(shí)施日期：2007/3/30 12:00:00
中國(guó)標(biāo)準(zhǔn)分類號(hào)：P42
國(guó)際標(biāo)準(zhǔn)分類號(hào)：91.060.20;91.140.80
引用標(biāo)準(zhǔn)：BS EN 12056-3-2000;BS EN 752
適用范圍：This British Standard applies to roof drainage systems usingcircular-section pipes that operate under siphonic action. It does not apply to siphonic drainage systems using rectangular or trapezoidal section conduits for water conveyance.It gives information and provides guidance on design parameters,installation, verification and maintenance needs of siphonic roofdrainage systems conforming to the performance requirementsspecified in BS EN 12056-3:2003, 6.2. Guidance is also given oncarrying out checks of designs, for the use of specifiers and regulatory authorities.Particular issues for site drainage systems that receive flows fromsiphonic roof drainage systems are also covered.