GB 50015-2003 Code for Water Supply and Drainage of Buildings
StandardState
Implementation Date
Standardscreenshot
1.0.1 The code was drawn up for the purpose of ensuring the quality of building water supply and
drainage design, set the design to meet the basic requirement of safety, hygiene, applicability,
economy.
1.0.2 The code is applicable to the residential area, civil building water supply and drainage
design, and also applicable to the industrial building domestic water and drainage and factory roof
rain-fall run-off design.
But when design the following projects, current relevant specified code or regulation must be
executed:
1 Collapsible loess, perennial frozen soil and expansive soil region building.
2 Building with anti-seismic intensity more than 9.
3 Mineral water cure, civil air defense works.
4 Industrial production water supply and drainage.
5 Building reclaimed water.
1.0.3 Building water supply and drainage design must meet the application demands and also
provide convenience for construction installation, operation management, maintenance inspection
and safety protection.
1.0.4 Building water supply and drainage engineering design must conform with the code, in
addition, must conform current relevant national standard codes requirement.