Opportunity

City of Mississauga Bidsandtenders #PRC005419

Chemical Treatment Maintenance Services and Controllers for City Building Systems

Posted

October 06, 2026

Respond By

October 27, 2026

Identifier

PRC005419

NAICS

238220, 562998

The City of Mississauga is seeking a contractor to maintain chemical treatment systems serving building loops at facilities in Mississauga, Ontario. - Government buyer: City of Mississauga; no specific department or sub-agency is identified. - OEM/reference brand: Walchem is named as the reference brand for a pH controller; no other vendors are identified in the opportunity details. - Requested services: Preventative inspections and servicing, monitoring for bacterial growth, scaling, corrosion, and operating efficiency, corrective maintenance, reporting and recommendations, and coordination with City staff. - Requested equipment: Supply and install controllers similar to a Walchem PH Controller on Ice Plant systems where needed. Quantity and part number are not specified. - Systems covered: Cooling, heating, and humidification loops. - Notable requirements: Restore equipment to working order when corrective maintenance is needed and follow applicable safety and operational standards. - Period of performance: 36 months.

Description

The City invites bids from qualified suppliers to provide preventative and demand maintenance for chemical treatment of cooling, heating, and humidification loops at various facilities in Mississauga, Ontario. Work includes routine inspections and servicing, corrective maintenance responses, and reports on inspections, actions, and recommendations. The contractor will coordinate schedules with City staff and comply with applicable safety and operational standards. Controllers similar to a Walchem PH Controller must be supplied and installed on Ice Plant systems where needed; detailed requirements are in Appendix C – Specification / Statement of Work.

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