Radon Mitigation System Inspection Report - InterNACHI.org Mobile App

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  Client:

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  Location of radon-mitigation system:

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  This inspection was performed in substantial compliance with InterNACHI’s International Standards...

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  Radon is a radioactive gas that has been found in homes, schools and buildings around the world.

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  The inspector noted that the radon-mitigation system type was:

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  active sub-slab depressurization

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  passive sub-slab depressurization

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  sump (pit) depressurization (active)

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  drain-tile depressurization

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  sub-membrane depressurization

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  hollow-block wall depressurization

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  crawlspace depressurization

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  heat-recovery ventilation

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  Drain-Tile Depressurization System

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  The inspector noted that the drain pipes that extend to daylight were missing devices, such as on...

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  Sub-Membrane Depressurization System

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  The inspector noted that the vapor retarder used for the sub-membrane depressurization system (pa...

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  Hollow-Block Wall Depressurization System

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  The inspector noted that the hollow-block walls had cracks, openings or open top-courses.

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  Crawlspace Depressurization System

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  The inspector noted that the crawlspace had the presence of asbestos-like material, or combustibl...

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  Heat-Recovery Ventilation (HRV) System

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  The inspector noted the area around the HRV system had the presence of asbestos-like material.

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  Piping and Fittings

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  The inspector noted piping that is not PVC, ABS or downspout (outside).

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  The inspector noted piping subjected to weather or physical damage that was not Schedule 40.

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  The inspector noted pipe and fitting connections of different materials.

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  The inspector noted piping that wasn’t solid or rigid.

• ...and More!