Unofficial Notice of Invitation to Bid (NIB)

City of Los Angeles Housing Authority is seeking bids from qualified and interested contractors for the following project titled, Boiler and Cooling Towers Water Treatment, identified under Solicitation ID: -. Work is to be performed near 2600 Wilshire Blvd, Los Angeles, CA 90057, USA in Los Angeles County.

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General Project Description

The project involves comprehensive monthly water treatment, chemical supply, and semi-annual cleaning for the building's critical cooling and heating infrastructure within HACLA's facilities. The primary goal is to prevent scale, corrosion, and biological growth (specifically Legionella) and maintain peak equipment efficiency. Work includes chemical management, water chemistry analysis, equipment calibration, biological testing for open and closed-loop systems (cooling towers, chillers, boilers), semi-annual tower cleaning, and detailed reporting.

General Bid Items

Quantity: Monthly Unit: SERVICE Work Item: Comprehensive water treatment and chemical supply for open loop cooling towers. Specifications: Dual biocide program (oxidizing + non-oxidizing), includes chemicals to inhibit scale, corrosion, slime, and algae.
Quantity: Monthly Unit: ANALYSIS Work Item: Water chemistry analysis for open loop systems. Specifications: Test for Calcium Hardness, M-Alkalinity, Chlorides, Iron, Conductivity, and pH.
Quantity: Monthly Unit: CALIBRATION Work Item: Equipment calibration for open loop systems. Specifications: Clean sensors and recalibrate automatic controllers and feeders.
Quantity: Monthly Unit: TEST Work Item: Biological testing (dip slide tests) for open loop systems.
Quantity: Quarterly Unit: ANALYSIS Work Item: Heterotrophic Plate Count (HPC) analysis for open loop systems. Specifications: Analyzed via SM9215B Protocol at a State Certified Lab.
Quantity: Semi-Annual/Annual Unit: TEST Work Item: Mandatory Legionnaires' Disease Testing for open loop systems.
Quantity: Monthly Unit: SERVICE Work Item: Maintain inhibitor levels for closed loop systems (chillers & boilers). Specifications: Sodium Nitrite at 800–1,200 PPM (1,000–2,000 PPM if boiler exceeds 185°F).
Quantity: Monthly Unit: MONITORING Work Item: Monitor corrosion control targets for closed loop systems. Specifications: Conductivity < 3,500 micromhos/cm, pH Range 8.5–10.5, Copper < 0.2 PPM, Iron < 2.0 PPM.
Quantity: Monthly Unit: MAINTENANCE Work Item: Centrifugal separator maintenance for closed loop systems. Specifications: Comprehensive plan for cleaning, lubrication, and record-keeping per manufacturer guidelines.
Quantity: Semi-Annual (February & August, Saturdays Only) Unit: CLEANING Work Item: Tower cleaning for open loop systems. Specifications: Pressure washing of internal elements, nozzles, and top/lower water basins.
Quantity: Semi-Annual Unit: SERVICE Work Item: System reset for open loop systems. Specifications: Drain, refill with clean makeup water, and re-balance chemicals.
Quantity: Semi-Annual Unit: ASSISTANCE Work Item: Start-up assistance for open loop systems. Specifications: Assist HACLA Engineer in restarting operations post-cleaning.
Quantity: Monthly Unit: REPORT Work Item: Electronic reports submission. Specifications: Detailed analysis of chemistry, tasks performed, and recommended corrective actions.
Quantity: On-site Unit: LOG Work Item: Maintain maintenance log for centrifugal separator services and lubricant types.
Quantity: Per test Unit: CERTIFICATION Work Item: Lab certifications for HPC and Legionella testing.

NAICS Classification

NAICS 238290 – Other Building Equipment Contractors (Providing comprehensive maintenance services for HVAC water treatment systems, including chemical supply and cleaning of boilers and cooling towers.), NAICS 541690 – Other Scientific and Technical Consulting Services (Performing water chemistry analysis, biological testing, and Legionnaires' Disease testing as well as providing detailed reports.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 5, 2026, and was last updated on February 17, 2026. All bids and/or proposals are due on February 19, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by City of Los Angeles Housing Authority. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from City of Los Angeles Housing Authority prior to bidding.