CCAH 2020 Companion Guidance Section D: Construction Inspection Checklist CG 5 CG Companion Guidance Section D Sample Construction Inspection Checklist 1. Record System Address: Street: City: State: 2. Number of Dwellings [ 1 or 2 ]: 3. Verify Radon System Installed: Continue inspection of items 5 through 21. a. Exception ( § 301.2): Mitigation System not installed. Attach certified test result below NAL. No further inspection required. b. Rough-In System only Rough-In Label ( § 501.11): Attach certified test result below NAL. Continue inspection of items 5-8, 11-17, 19-21 4. Foundations ( § 302.1): Verify all foundation areas in contact with the soil are treated as part of the mitigation system . 5. Masonry Foundation ( § 404.1.2): Verify filled block course along top of foundation wall and under doors and windows, if applicable. 6. Floor Sump ( § 404.1.1): Verify lid sealed on floor sump. 7. Floor Drains ( § 404.1.3): Verify radon resistant drains installed in any drain with exposure to the soil. * Items 8, 9 & 17 are only required for an active radon mitigation system with fan installed . 8. System Monitor* ( § 1001.1): Verify monitor is installed.