We have a large (500,000sqft) warehouse with loadbearing precast and steel decking. In areas where the roofing has not been completed along the outside edges, we are seeing the metal deck welds popping due to the thermal expansion of the deck. It would appear that the precast is holding the...
We are switching over an existing Calcium Hypochorite system to new sodium Hypochorite system and when we switch over the chlorine readings at the analyser go all over the board 0.2mg/L to 10mg/L. We had the reading relatively stable for about a week (1.2 to 1.7) but not as stable as when using...
We are looking at project that specifies an 8" pipe pile driven closed end. The stratum is generally silt and clay with SPT values of between 2 to 12 (blows) about 120 feet thick. Then there is what we believe is a dense till layer, 30 feet thick, overlaying shale bedrock. The testing...
I am looking for information for equipment and technical information for jacking or tunneling. I have not had much luck in finding construction technics/details for this type of installation. Anyone with useful resources; books, web sites, equipment suppliers, would be greatly appreciated.
Am...
