Thanks for all the input. I also discussed with the Owner's Engineer. The consensus on this end aligned with most of the responses. The EOR can waive the requirement for pre-installation verification (as he is assuming the liability), and I, as the CM (Owner's Agent), no longer have leverage...
I am managing construction on a project in California with a pre-engineered metal building. The shop drawings show pretensioned joints with ASTM A325 Bolts. The contractor is planning to use the turn-of-the-nut method to tension the bolts and is arguing that pre-installation verification is...
The air in the line was bled prior to starting the first test. I witnessed that procedure. The line is also completely isolated. I had the contractor put plywood over the exposed line to give it a bit of shade. The pressure dropped back to 150 PSI and remained there for the duration of the test.
I am currently witnessing a leakage test on an 8" DIP. The test requires the contractor to maintain a constant pressure in the line (by adding more water if leakage occurs), and then to measure the total volume of water added over the course of the test.
The first go-a-round, over the course...
Hi All -
I'm managing the construction of an electrical upgrades project, which will install a small electrical shed (12'-L x 16'-W x 8'-H). The electrical shed is specified as a pre-cast concrete building "capable of withstanding the effects of earthquake motions determined according to CBC...
