CC-1000_2018

Annex A Exhibi ts—Sample Inspection Forms Soil Gas Control Systems ANSI/AARST CC-1000 2018 in New Construction of Buildings 27 Exhibit A-1 Inspection items prior to: Closure over soil by concrete or soil gas retarders 1. Subgrade closure ( § 5.1): Soils or soil gas retarders that surround gas permeable layers are restrictive to airflow and grading is sufficient to prevent collected water from obstructing inlets and inlet piping . 2. Foundation walls ( § 5.2): Walls that surround soil gas collection plenums are damp proofed with openings (such as around utility penetrations) closed. 3. Foundations drains ( § 5.3): If connected to gas permeable layers, included in design requirements for soil gas collection plenums. 4. Footings and joined plenums ( § 5.4): Soil gas ducts that traverse footings are not obstructed. 5. Gas permeable layers ( § 5.5): Aggregates, voids and configurations meet or exceed minimum requirements. 6. Ducting ( § 5.6): Duct sizing within and above gas permeable layers meet or exceed minimum requirements. 7. Soil gas inlets ( § 5.7): Inlet openings to soil gas meet or exceed airflow capacity requirements. 8. Transition to exhaust piping ( § 5.8): The transition of inlets and inlet piping to exhaust pipe(s) above the slab(s) or soil gas retarder(s) do not diminish designed airflow capacity. 9. Test ports ( § 5.9): If required, test ports meet minimum requirements. 10. Secured ducts and inlets ( § 5.10): Ducting and inlet configurations are secured in place in a manner to help avoid dislocation.