Constructions Standards Checklists

BASEMENTS

FOUNDATIONS  A. Keyway, pinning, or both are in place to connect footer and poured wall.  B. All footing trenches are clean, straight and square.  C. Spoil piles are not encroaching on excavation site.  D. Bracing for formwork is in place as specifed by Engineer of Record (EOR).  E. All plumbing, electrical and chases have been backflled in accordance with soils report and EOR design specifcations.  F. All sub-base materials (gravel, sand, etc.) is in place per EOR.  G. Minimum 6 mil vapor barrier installed beneath all

slab, grade beams, and bottom of footers unless exempted by local code or EOR with all seams or cuts sealed with polypropylene tape. Mechanically adhere the vapor barrier to the foundation wall.  H. Pipes passing through concrete are protected with sleeve or wrap that allows for movement including expansion and contraction of piping.  I. 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.  J. Dampproofng and/or drainage mat is in place on exterior of foundation wall. Where specifed, foundation drains are placed correctly, backflled with stone, and directed away from foundation.  K. Backfll in lifts to avoid cave-in conditions and slope according to geotechnical recommendations or code standards; whichever is greater.  L. EOR is required to make spot observations of the trade contractor.

CONSTRUCTION STANDARDS CHECKLISTS | Foundations | 9