Attachment 4 - CUP Water Ttreatment RFI_Responses.xlsx

This file contains Request for Information (RFI) responses for Schriever Space Force Base's Central Utilities Plant (CUP) chemical water treatment contract. The responses provide technical specifications and clarifications on facility equipment and chemical treatment requirements for hot and cold water closed loops.

Key facility specifications include: boiler horsepower of 388.12 per boiler, cooling tower makeup water usage ranging from 32.6 to 38 million gallons annually (2023-2025), chilled water loop system volume of 150,000 gallons, and total chiller tonnage of 5,950 tons (five chillers at 950 tons each and one at 550 tons). Critical clarifications address chemical treatment scope: alkalinity builder is required but not on a continuous basis; oxidizing biocide, condenser water biocide, and closed loop treatment chemicals are purchased by 50 CES and applied by plant operators, with contractor providing application guidance based on testing; chemical feed and control equipment will be provided under a separate CLIN (XXX2) with the contractor maintaining equipment while government retains no possession; Legionella testing is not required; and closed loop chemical coverage includes a 150,000-gallon cold loop and 50 PSI hot/steam loop. Additional requirements include issuance of DBIDS and RA badge to qualified onsite technician personnel and a set contract amount for chemicals with 50 CES responsible for purchasing additional chemicals if needed beyond contracted quantities.