標準號：BS 8490-2007
中文標準名稱：虹吸排水系統指南
英文標準名稱：Guide to siphonic roof drainage systems
標準類型：P42
發布日期：2007/3/30 12:00:00
實施日期：2007/3/30 12:00:00
中國標準分類號：P42
國際標準分類號：91.060.20;91.140.80
引用標準：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.