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***Please note: It is the owner’s/building contractor’s responsibility to provide a method of termite control in compliance with section R318, I.R.C.

The residential inspection checklist for pre-slab includes:

  • Slab depth (min. 4" nominal) with min. 4" ABC (aggregate base course) underlayment, section R506.2.2, I.R.C.
  • Concrete cover (minimum 3" below rebar) for steel reinforcement, section R403.1.3, I.R.C., City amended.
  • Required structural holdowns and/or special anchors per City reviewed drawings for slabs with turned-down and/or monolithic footing.
  • Turned-down footings, min. (2) #4s horizontal, section R403.1.3.2, I.R.C., City amended
  • Size / depth / location of interior footings per City reviewed plan.  Note: No piping allowed within interior footings, unless engineered.
  • Piping passing through slab shall to have protective wrapping from corrosive soil, which also allows for expansion /contraction movement, section P2603.3, I.R.C.
  • Shearwall holdowns with minimum concrete spalling.  ***Please note:  Manufacturer's required location from corners to prevent concrete spallin.
  • Expansion and control joint locations per plan.
  • Listed underground nonmetallic (PVC) conduit (example: floor outlets, kitchen islands, etc.).
  • Concrete-encased electrode (UFER).  Example: A minimum #4 rebar, at least 20 feet in length, and having minimum 2 inches of concrete encasement with direct earth contact in compliance with section E3608.1.2, I.R.C.
***Please note:  If a bare copper (grounding electrode) conductor is used, it shall not be smaller than 4 AWG. Also, since earth resistance is not known, a minimum of two (2) copper ground rod electrodes are required, spaced a minimum of 6 feet apart.

Contact Information

City of Litchfield Park
Building Safety Department
214 West Wigwam Boulevard
Litchfield Park, Arizona  85340

Ph: 623-935-1066
Fx: 623-535-9754

Updated 4/22/16