# Mechanical (HVAC) permit MEC2021-01663 at 6707 Winchester Cir, Boulder

Boulder Planning and Development Services permit MEC2021-01663: issued Dec 16, 2021 for mechanical (hvac) work at 6707 Winchester Cir. Suite 300, was open office area, 2442 sq. ft. now converting to Pharmaceutical Lab Space. Demo finishes and 24 lf of metal stud drywall wall. Demo 103' of concrete for sanitary drain trenching, install plumbing and pour back. Add 4- 3" x 3" x 14' structural columns to support a new 7500 cfm RTU, 10' x 10' area. 204' of new metal stud drywall wall. 2442' of new ceiling grid with vinyl tile and clear concrete sealer on floor. 6 new doors and frames. Install 6 new chemical hoods. New 5000 cfm 3'x 3' exhaust fan. New exhaust transfer fan and electric duct heater. Increase gas pressure, add regulators to existing RTUs. Exploratory excavation to bring 1 1/2 water line in the building, there is a 1 1/2" line in the meter pit. 5 eyewash and 4 safety Showers. 80-gallon gas fired water heater with expansion tank. 80-gallon gas fired water heater with expansion tank. Lighting, relocate 5 lighting fixtures. Low voltage gear, -6 ? 50A, 2P, 208V breaker, 8 ? 20A, 1P, 120V breakers. Power, 8 Table feeds,5 ? 20A Duplex receptacles, 6 ? 50A Hood receptacles. Provide power and connection to 1 hot water heater, 1 AHU, 3 pumps.

- Permit number: MEC2021-01663
- Issued: Dec 16, 2021
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical Sub-Permit)
- Status: Finished (city: Closed)
- Reported cost: $239,529
- ZIP code: 80301
- All permits at this address: https://nearbypermits.com/boulder/address/6707-winchester-cir/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-17 18:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 6707 Winchester Cir: https://nearbypermits.com/boulder/address/6707-winchester-cir/