Slab on Grade Pre-Pour Inspection
Use this pre-pour inspection to verify slab-on-grade readiness before concrete arrives. Catch subbase, vapor barrier, reinforcement, and dowel issues early to avoid rework and delays.
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What's inside this template
General Site Readiness
- Inspection area is accessible and ready for pre-pour review
- Approved drawings and pour details are available on site
- Required permits, approvals, and pre-pour signoffs are in place
- Weather and site conditions are suitable for concrete placement
Subbase Preparation
- Subbase is graded to the specified elevation and slope
- Subbase is compacted to specification
- Subbase is free of standing water, soft spots, and loose debris
- Termite treatment or other required subgrade treatment is complete
Vapor Barrier Installation
- Vapor barrier material matches project specification
- Vapor barrier is installed continuously with sealed seams
- Vapor barrier is free of punctures, tears, and unsealed penetrations
- Vapor barrier laps and edge terminations meet specification
Reinforcement Mesh
- Reinforcement mesh type and size match approved plans
- Mesh is properly lapped and tied where required
- Mesh is supported on chairs or spacers to maintain cover
Dowels and Edge Conditions
- Dowels are installed at required locations and spacing
- Dowels are aligned, secured, and free to allow proper movement where specified
- Edge forms, isolation joints, and blockouts are installed per plan
Common use cases
Frequently asked questions
When should this inspection be completed?
Complete it after subbase, vapor barrier, reinforcement, and edge conditions are installed, but before the concrete pour starts. That gives the crew time to correct issues without affecting the schedule.
Who should use this template?
It is a good fit for superintendents, site inspectors, concrete contractors, and project managers. Any team responsible for pre-pour signoff can use it to document readiness.
Can this template be used for residential and commercial slabs?
Yes, it works for both residential and commercial slab-on-grade projects. You can customize the checklist items to match project specifications, local code, and engineer requirements.
What does this inspection help prevent?
It helps catch problems like poor subbase compaction, damaged vapor barriers, misplaced mesh, and incorrect dowel placement. Finding these issues before the pour reduces costly rework and concrete delays.
Can I add project-specific requirements?
Yes, the template is meant to be customized for your job. You can add items for local permits, soil treatment, joint layout, or any special structural details on the approved drawings.
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