Radon Mitigation System

The Vendor is required to provide include the installation and activation of a sub-slab depressurization (SSD) radon mitigation system(s) in an existing building and associated work by people who are knowledgeable, qualified, trained and licensed in the performance of such work.
- Installation of a sub-slab depressurization (SSD) radon mitigation system
• Inclusive of all required components including sealing, slab suction pit, vent piping, fan and exhaust in accordance with applicable standards.
• Projected areas for potential suction pit and vent piping location include the lower mechanical and upper storage basement areas, as depicted on the attached site sketches.
• Perform sub-slab pressure field extension communication tests to ensure pit location(s) will achieve system performance goals throughout the entire slab area.
• Work involves post-tensioned slabs, contractor shall x-ray and scan floor slab in all areas where slab penetrations are to be made to locate post-tension cables, rebar, conduit, pipe, etc. and ensure items are not hit/damaged during drilling/penetration of slab. Intent of mitigation system is to reduce indoor radon levels to below a maximum of 2.0 PCI/l.
• Install the SSD system as an active set-up and shall
• Supply the fan and all related materials.
• Fan location is to be exterior or within unoccupied and unconditioned attic spaces with vent piping exhausted through the roof, as directly above the suction pit as feasible, minimizing any bends in and total length of vent pipe runs from pit to exhaust.