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District says aging pipework drove air-conditioning failures at Colleyville Heritage High School; repairs to continue
Summary
After replacing some chilled- and hot-water piping on the CHHS first floor, district and contractor teams encountered clogged piping and leaking connections on older lines; officials said summer work improved many rooms but several classrooms still lacked full cooling as of reopening.
Grapevine-Colleyville, TX ' District staff reported continuing HVAC failures at Colleyville Heritage High School (CHHS) after a summer project to replace building piping, telling trustees on Aug. 25 that the work exposed extensive internal corrosion and sediment that has clogged units.
Paula, the district's facilities presenter, said the project replaced chilled- and hot-water piping on the building's first floor but that older piping on the second and third floors remains in place and has…
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