By throttling the shut off (globe type stop waste valve) upstream of the water meter I can reduce the pressure spike by 40 psi. Before it would spike from 80 to 140 psi now it spikes only 20 psi over 80 when a cold water valve is closed quickly. Is this an acceptable range?
Betrueblood suggested...
Will reducing water pressure from 80 psi eliminate water hammer? What pressure would be needed? Any and all suggestions appreciated.
1/2 copper cold water supply line coming off 3/4 main line. Feeds 9 cold water fixtures and all cause water hammer at the tank-less water heater. All fixtures are...
The bolts are 8"x1/2" two every 16"o.c. Pardon my previous description.
The blocking rests on sill plate of foundation (walkout basement). Blocking is nailed with 3-16d nails through each side of the floor joists into the ends of each side of the blocks.
What remedial action can I take to add to...
I have a 2nd story deck hung by 3 beams on metal hangers ( 10'apart) attached to a 2"x10"x20'ledger bolted (2-1/2" bolts & nuts @16"o.c.)through dbl. 2"x10" blocking between each joist. At 50lb.psf the outer beams (2-2"x10") at the hanger ledger connection would have a max. load of 1500lb. and...
