Constructions Standards Checklists

CONVENTIONAL SLAB-ON-GRADE

FOUNDATIONS  A. All areas around the foundation, plumbing, electrical and chases have been backflled in accordance with soils report and Engineer of Record (EOR) design specifcations.  B. All conduit is placed at a sufficient depth below the slab so as not to impact the thickness of the slab.  C. All footing trenches are clean, straight and square.  D. Minimum 6 mil vapor barrier installed beneath all slab and grade beams, unless exempted by local code or EOR with all seams or cuts sealed with polypropylene tape.  E. Pipes passing through concrete are protected

with sleeve or wrap that allows for movement including expansion and contraction of piping.  F. Vapor barrier at penetrations includes an additional 2' x 2' piece poly vapor barrier that is sealed to feld of the vapor barrier and the penetration.  G. When using non-structural welded wire metal reinforcement, it is elevated using chairs so that the wire is placed in the top 1/3 of the slab.  H. Slab depth meets minimum slab depth requirement of 3 ½” per code or refer to EOR structural drawings.  I. All slabs have control joints cut or tooled 1/4 thickness of the slab at 10' intervals within 24 hours of placement.  J. EOR is required to make spot observations of the trade contractor.

6 | Foundations | CONSTRUCTION STANDARDS CHECKLISTS