Is it advisable to provide a check valve in the soil drainage line(PVC)
2. I have a manhole which has soil, drainage and a pressurized line from RO reject and Backwash.
The size of the manhole is 1000mm X 1000mm.
The flow from pressurized line is 7.5 l/sec
The difference between the bottom of...
Which kind of fittings are preferred for drainage pipes. I have two choices, one is fittings with mechanical seal and the other is fittings with solvent seal. i'm not sure which one to choose. can any one help me out.
What is the use of providing Cutout/Boxout for the floor drain and WC in the raft foundation? is it mandatory?http://files.engineering.com/getfile.aspx?folder=ef84681a-4a1d-4a37-a856-27eca9ab7186&file=12b4885e-063c-4a6c-ace9-ccc1f2fdde63.jpg
According to NFPA14, the sprinkler system should be pressure tested at 13.8 bars for 2hours. But the sprinklers used in most fire fighting systems are rated at 12bar. will the sprinklers be affected if the system is tested at 13.8bars? whats is the right way to do the pressure tests.
