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Foundation (Conventional)

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

The residential inspection checklist for conventional foundations includes:

  • City reviewed site plan with dimensioned setbacks shall be on the jobsite, section R106.3.1, I.R.C.  ***Please note:  To check setbacks, property lines must be strung.
  • Continuous footing size, depth and placement of steel reinforcement, per City reviewed drawings.
  • Foundation forms must be clear of all debris.
  • Footings must be supported on undisturbed natural soil or engineered fill, section R403.1, I.R.C.
  • Steel reinforcement layout (bend diameters, splices, ties, hooks, etc.) per Chapter 7, ACI 318-08.
  • Isolation material used between steel reinforcement and any metallic support device that is in direct contact with the earth.
  • Concrete cover (minimum 3" below rebar) for steel reinforcement, section R403.1.3, I.R.C., City amended.
  • Foundation footing with stemwall, min. (2) #4s horizontal, section R403.1.3.1, I.R.C., City amended.
  • Turned-down footings, min. (2) #4s horizontal, section R403.1.3.2, I.R.C., City amended.
  • Construction joint between footing and stemwall, min #4 at 48" o.c., section R403.1.3, I.R.C., City amended. 
  • Proper size, model type, and location of required structural holdowns and/or special anchors per City reviewed drawings.
  • Pier footings per City reviewed drawings.
  • Concrete-encased electrode (UFER).  Example:  A minimum #4 rebar, at least 20 feet in continuous length and having a minimum 2 inch concrete encasement 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, and driven into ground, spaced a minimum of 6 feet apart, sections E3608.1.4.1 and E3608.3, I.R.C.
  • Grade sloped away from foundation stemwalls, section R401.3, I.R.C.

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