Foundation Inspection

What You Should Know:

Poured foundations: Call for the inspection after the required reinforcements are installed but BEFORE cement is poured.


Wood or Block Foundations: Call for inspection after waterproofing but before backfilling.

Relevant Code Sections from WI SPS Uniform Dwelling Code

321.15 (2)(a) Footing has minimum 4” each side of foundation wall and 8” minimum depth

321.18 Proper foundation thickness, pilaster spacing, and reinforcement per code tables

321.18 (3) Maximum fill height for unreinforced HCB supporting WF: 8" block - (6 courses) in nongranular; 5' (8 courses) in granular; 10" block - 6' (8 courses) in nongranular; 6’ (9 courses) in granular

 

321.15 (2)(c) Stepped foundation lintels or reinforcement (short steps okay with plain concrete) 321.18 (3)(b) Rebar or other reinforcement per plan

 

321.26(3) Type M or S mortar 321.26(12) 1/2" maximum mortar joint

 

321.18 (3) Anchor bolt placement: minimum 6’ o.c. for concrete and 2 1/2' o.c. for HCB

 

321.26(9) Beam to bear on: 8" height solid of solid concrete (or steel plate)

321.17 (3)(d) Required tiles: gravel bed of 2", cover of 12"

321.18 (3) Block damp proofed in clay soil

 

322.32 (6) Foundation insulation per energy worksheet including frost wall under basement walkouts

321.07 (2) & 322.34(3)(a) 1:1500 crawl space venting and 14" x 24" access

321.02 (3) 321.26 (1) Protected from freezing during cure 321.18 (1)(c) & (d) Walls braced or floor system in prior to backfill

321.16, 321.12, 321.10 Proper elevation for frost depth, zoning, drainage, and protection of wood from decay