Extension Office Roof Replacement

The roof on most of the building is a built-up roofing system. This built-up roofing system was replaced recently and is not part of the scope. The scope of work for this project is to replace the adhered roofing membrane that comprises approximately 7,4 00 square feet and is located over the extension offices. The project is a turn - key bid and will require the following: 1. Replace approximately 7,400 square feet of roofing over the extension office. Contractor to verify actual dimensions during pre-bid walk through. 2. Old roofing and fiberglass insulation shall be removed completely. 3. The new roof will be fully adhered EPDM type, tier one manufacturers (Firestone, Carlisle or Johns Manville) . 4. New R- 20 insulation with cover board is required. New roof shall slope towards drains and scuppers. If new taper is required to achieve this slope, contractor is responsible for providing and full cost shall be included in the turn-key price. 5. Roof shall carry a 20-year manufacturers and installation warranty. The 20-year warranty will be for Labor and Materials. This will require the inspection of the manufacturer to certify warranty. Results are to be provided to County upon completion. 6. New walkway pads shall be provided as needed and required by roofing manufacturer or directed by owner. These shall consist of approximately 275 lineal feet of walkway. 7. All existing wood pipe supports are rotted and need to be replaced. Provide new rubber or composite pipe supports that are compatible with the new roofing. 8. All penetrations, transitions, turn - bars and terminations inside of scuppers shall be properly sealed and meet manufacturer’s warranty. Some penetrations may be obsolete and can be removed with coordination with County staff. 9. Contractor is required to furnish and install new Zurn anchored screens at all roof drains. 10. Installation of new cover board will be required as required by manufacturer for warranty. All cover board and fasteners shall comply with manufacturer’s specifications. 11. Roof will be installed/attached in accordance with manufacturer’s recommendations . 12. Provide manufacturer cut sheets and warranty information with bid submittal. 13. Provide detail of what is included and excluded from bid and include with bid submittal. 14. Scuppers can be reused . 15. The contractor is required to obtain a mechanical contractor to remove and reinstall the condenser units and satellite dish as needed to 1) allow replacement of the entire roof and 2) to ensure the roof warranty requirements are met. Contractor shall provide and install new pads for the condensing units to sit on. 16. Existing roof top units shall be flashed and counter flashed per roofing manufacturers written directions. 17. Removal and re-installation of the condenser units shall be done after normal business hours of Monday through Friday from 8 AM until 5:30 PM . 18. Access to roof during business hours may be through the roof hatch/ladder. After hours , contractor will need to access by other means (i.e. ladder). 19. Metal cap flashing shall be replaced. Color selected by owner from standard selection that closely matches existing. 20. Payment and Performance bond is required upon award. 21. It is anticipated the contract for this project will be completed by April 13, 20 22. Based on this date, provide your start and finish dates.

Division 07 -

Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.