I have a client with cast iron (4" & 6") interior sanitary and storm sewers under a corridor of a mid rise apartment complex. The 20 year old sewers have corroded due to salt ground water (next to a salt water bay).
A contractor has proposed pipe bursting to replace the existing...
We are currently designing a three story office building and the architect wants to use a one way bonded post tensioning floor slab system. The edge of the 9" slab bears on reinforced masonry walls. This is our first post tension design and I have been told by other engineers that there...
