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Concord High dehumidification project nearing completion; refrigerant supply and culvert permit delayed construction schedule
Summary
Facilities staff said 19 HVAC units were replaced with dehumidified air systems and projected substantial completion Aug. 15, but availability of refrigerant R‑454B and a DES permit for a culvert replacement delayed full activation and downstream work.
District facilities staff told the Concord Board of Education on Aug. 4 that the Concord High School HVAC dehumidification project was largely installed and that systems would undergo certification testing with Concord Fire before full operation. Facilities staff reported that 19 HVAC units were removed and replaced with 19 dehumidified air units and that the project’s construction and steel work were about 90% complete.
Facilities staff member Mister Cashman said the district expects a substantial completion milestone on Friday, Aug. 15, with power to each new unit and planned system testing with Concord Fire over the following two weeks. Cashman cautioned, however, that the district still…
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