Beijing decoration supervision tips: water supply pipeline and valve installation allowable deviation

2022-07-22 0 By

Beijing decoration supervision tip: water supply pipeline and valve installation allowable deviation should conform to what provisions?Using more than 25 meters more than 1m more than 25 meters more using plastic pipe multiplication pipe more than 25 meters more using vertical pipe more than 1m3 more using 8 plastic pipeCompound pipe every 1m2 full length (more than 5m) using 8 decorating owners can consult at any time