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New-home foundation before backfill checklist

A pre-backfill new-home foundation checklist for permit inspections, footing and wall records, dimensions and elevations, reinforcing and anchors, waterproofing or dampproofing, drainage, penetrations, insulation, termite or radon details, utility sleeves, corrections, and complete concealed-work photographs.

6 items to check

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Required footing, reinforcement, foundation, utility, and special inspections are documented

Critical item

Work should not be concealed until applicable permit and project inspections are accepted and corrections are closed.

Foundation location, dimensions, elevations, steps, openings, and bearing conditions match design

Critical item

Built geometry and support conditions should match approved plans and qualified field changes.

Reinforcement, anchor bolts, hold-downs, embeds, and connections are verified before concealment

Critical item

Structural steel and connection hardware should match the approved design, placement tolerances, cover, embedment, and product instructions.

Below-grade water management is continuous and protected

Critical item

Dampproofing or waterproofing, drainage board, footing drains, aggregate, filter materials, sumps, discharge, and grade interfaces should form the specified system.

Insulation, termite, radon, capillary, and air-sealing details are coordinated

Critical item

Climate, site, code, and project-specific protection layers should remain continuous without creating hidden conflicts.

Utilities, sleeves, drainage tests, surface repairs, photos, and backfill limits are released

Backfill should protect the foundation and preserve evidence of all concealed work.

Use after foundation walls, piers, slab edges, waterproofing, drainage, and required inspections are substantially complete but before soil, slabs, porches, decks, or finishes conceal critical conditions. Independent observation does not replace required official inspections or structural design. Do not enter unsupported excavations, walk incomplete framing or roofs, open energized equipment, operate pressurized systems without authorization, or interfere with required inspections. Use qualified inspectors and licensed trades for inaccessible, structural, electrical, gas, mechanical, environmental, or life-safety conditions.

Reference standards

  • Approved plans and specifications, signed purchase or construction agreement, selections and allowances, adopted state and local codes, permit and inspection conditions, authority having jurisdiction requirements, builder warranty documents, utility requirements, qualified design, and exact product manufacturer instructions
  • Foundation design, geotechnical recommendations, concrete and masonry records, waterproofing, drainage, insulation, termite, radon, and below-grade product instructions

    • Tools

  • Current plans, specifications, selections, contract, change orders, permit records, inspection approvals, and warranty documents
  • Camera, flashlight, tape measure, level, outlet or fixture test tools used only where owner-safe, and dated location-based photographs
  • Written deficiency log with location, controlling document, responsible party, correction evidence, and release decision

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