Construction Contract Dispute and Claim Handbook: Division 3, Concrete

Construction Contract Dispute and Claim Handbook: Division 3, Concrete

Construction Contract Dispute and Claim Handbook: Division 3, Concrete

Concrete is a water proof cement mixture that was perfected by the Romans, who made pozzolan of it to engineer their viaducts and aqueducts. It is specified by structural engineers for the building industry, and is one of the biggest construction material commodity markets in the world, as a major staple commodity of the building trades.
Depending on the application, an engineer will specify the design mix, or proportion of materials (Portland, sand, aggregate) for a given cast-in-place footing, foundation, or slab. This recipe is typically rated for 3,000-4,000 PSI of compression. In addition, he will specify the size and pattern of the reinforcing steel bars (re-bars), which must conform to his specified performance ratings: a mill stamp, which every bar will have.
Having been around for some three-millennia, we are inclined to believe that the processes for placing concrete have been perfected; however, even with regulations and controlled inspections, concrete failure continues to be an object of contention in many construction disputes.

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