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