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Engineers recommend full replacement of middle‑school sprinkler system; base bid estimated at $885,750, board to seek bids
Summary
Consultants from CHA reported the school’s limited‑area dry sprinkler system is corroded and the fire pump is non‑functional. CHA recommended replacing piping and pumps, adding nitrogen injection to limit corrosion, and installing a new generator; the base bid estimate is roughly $885,750 with alternates for tank and pump replacement.
Consultants from CHA Consulting told the Northwestern Lehigh School District board that the middle‑school limited‑area sprinkler system requires replacement and that the district should go to bid for a full replacement package.
CHA engineers said the middle school currently has sprinkler coverage only in the two‑story attic/upper portion of the facility; the system dates to the school’s 1992 construction and is a dry (air‑charged) limited system with an external 15,000‑gallon buried storage tank and a vertical turbine fire pump. CHA reported multiple piping leaks and that the existing fire pump is not functioning. The consultants also noted the system lacks a secondary power source that modern code now requires.
CHA’s recommendation was a full replacement of the limited‑area dry sprinkler piping and…
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