Reinforcement
This must be elevated on chairs in the top third of the slab.
What is welded wire mesh?
These must be braced or tied together to maintain the design shape.
What are foam boards?
These must be clean, straight, and square before concrete placement.
What are footing trenches ?
These must be sealed with proper tape before concrete placement.
What are vapor barrier seams and penetrations.
This is the minimum concrete strength required unless otherwise specified by the EOR.
What is 3000 psi?
This cannot be used as the only reinforcement method
What is fiber mesh?
This is required when flatwork is confined on two or more sides.
What is an expansion joint?
This must be placed deep enough so it does not reduce slab thickness.
What is electrical conduit ?
These must be wrapped or sheathed where they pass through concrete.
What are pipes passing through concrete ?
This is the PCS limit for water added on site per cubic yard.
What is no more than 1 gallon per cubic yard?
This must be maintained around all reinforcement in the slab.
What is minimum concrete cover?
These must be cut or tooled within 24 hours on non-post -tensioned slabs
What are control joints?
These areas must be backfilled and compacted before the pour.
What are plumbing, electrical and chases?
This must be built into a foundation wall when a pipe passes through it.
What is a sleeve ?
This is the maximum time allowed for concrete discharge after water is introduced to cement.
What is within 90 minutes?