ZBW Water Treatment Specs.pdf

ZBW and 11 Murphy Drive

Water Treatment Chemicals and Consulting Services

November 29, 2023

WATER TREATMENT

CHEMICALS AND CONSULTING SERVICES

1.0 GENERAL SCOPE

1.1 Intent / Contract Term

This describes the type and requirements of the desired water treatment program and the minimum required service to be provided by a water treatment consultant on an annual basis.

Customer facilities require specialized expertise and chemical products from a recognized water treatment consulting organization. The treatment applications include cooling tower (condenser water) treatments. HVAC hot and chilled water system treatments.

It is the intent to provide for a complete program of water treatment which will provide complete protection against scale and sludge formation, pitting and general corrosion and microbiological fouling.

The water consultant shall furnish an effective product, quality service and good communications. All designed to meet the performance expectation jointly agreed upon. The program shall be developed and maintained based on the following directives.

• Thorough system analysis and execution of an appropriate water treatment program.

• Continuous review of system results.

• Implementing improvements as required.

• Complete and accurate communication among the field operators and management personnel is required.

Water treatment is a performance oriented service. The impact of a properly optimized program on our reliability and economics operation has significance beyond the cost of the service. For this reason, specific requirements for suppliers’ qualifications, capabilities, chemicals, equipment, technical support and representative have been established and will be detailed in this specification.

1.2 Emergency Service

The water treatment supplier shall respond to an emergency request made by the Customer within 24 hours of initial call.

The water treatment supplier must provide a 24-hour, 365-day emergency response line to handle all environmental health and safety emergencies related to their chemical water treatment program.

1.3 In-House Laboratory Facility

Vendor shall maintain an in-house laboratory facility for complete analysis of water and deposits.

The laboratory must be available to assist in the solution of problems which may arise. Laboratory services are to be included within the chemical treatment program cost.

The laboratory shall be equipped to analyze water in accordance with the latest edition of “Standard Methods for the Examination of Water and Waste Water” and the US Environmental Protection Agency.

The laboratory shall be under the supervision of a chemical engineer or similar discipline.

1.4 Pollution Standards

All chemicals recommended must meet pollution standards as required by the State.

1.5 Manufacturing Facility

Vendor shall maintain a complete ISO-9001 or ISO-9002 registered manufacturing facility and stocking warehouse, preferably within 50 miles of Nashua N.H.

1.6 Delivery and Storage of Water Treatment Chemicals

The Vendor must provide a drum-free method of chemical delivery in lieu of drums and pails to minimize drum handling and disposal problems for large use systems. The deliveries of chemical treatments must be made by two (2) vendor employed and trained delivery specialists.

The delivery vehicle(s) must provide an integral spill containment system designed to contain a volume equal to 110% of the largest delivery container utilized within the truck.

Note: Chemical storage tanks shall be sized to fit within the existing chemical areas. The vendor maintains ownership and is responsible for maintaining and / or replacing all chemical tanks for the length of this contract.

1.7 Safety and Handling Procedures

The Vendor shall provide handling instructions for each proposed chemical including the OSHA Material Safety Data Sheets. These must be submitted with the proposal.

The Vendor shall furnish EPA registration numbers for biocides as designated on product labels.

Submit with bid copy of product label for each biocide proposed for use at these facilities.

The Vendor will notify the Customer representatives and comply with any changes in product safety, handling and applications which occur during the length of this contract.

1.8 Equipment Installation and Maintenace

The Vendor will assist in the installation and programming of any new feed and control equipment.

If new water treatment controllers or pumps are needed to correctly administer a Vendor’s proposed water treatment program, they must be described and quoted separately in proposal.

1.9 Testing Equipment

The Bidder shall train personnel in proper water testing procedures and proper maintenance of water treatment systems and equipment.

1.10 Program Performance

A quantities means of checking the effectiveness of the treatment programs is described below. The water treatment supplier is responsible for meeting these performance standards. Customer is responsible for installation of corrosion coupon monitoring racks as needed.

Cooling Tower Corrosion Rate

Mild Steel 2.0 MPY

Copper 0.2 MPY

Hot and Chilled Water Corrosion Rate

Mild Steel 1 MPY

Copper 0.1 MPY

Pitting Corrosion: No visible pitting should be present in boiler tubes, condenser tubes or chilled water system heat exchangers.

Heat Transfer: All heat transfer surfaces should be free of hard mineral deposits.

1.11 Operator Training

It is the responsibility of the water treatment vendor to provide training to familiarize FAA plant personnel with the purpose of the products and to instruct them in the control, testing and adjustment procedures.

Vendor is to provide to all shifts of operating and maintenance personnel sufficient instruction so that personnel may operate and maintain treated systems and consistently achieve specified objectives with guidance by the vendor during regular service visits.

Instruction shall include (but not limited to) treatment application, test methods, record keeping and treatment adjustments based on test results, treatment control ranges and safe handling of all chemicals (MSDS Review).

Instruction to include both classroom work and field instruction.

The Vendor shall provide all training materials at no cost to the Customer.

1.12 Equipment Inspection

Whenever a boiler, heat exchanger, cooling tower or condenser is available for internal inspection, the water treatment engineer will be present to inspect the equipment. Photographs are required to document conditions.

The results will be mailed to Customer’s designated representative and at least one inspection per year per piece of major equipment is expected.

1.13 Service Visits

Basic Service Program:

During each monthly service visit, the water treatment Vendor’s service engineer is required to provide the following services:

• Review daily plant test records.

• Discuss in-depth any operating or water related questions or problems.

• Inspect any heat exchange equipment opened for inspection.

• Run analysis of pertinent water samples from all treated systems.

• Submit a complete written report of all findings and recommendations to the designated Customer management and operating personnel.

• Submit water or deposit samples to the company’s Laboratory if any unusual conditions exist.

• Check inventory and calculate a material balance to insure proper dosing of all systems.

• Meet with appropriate personnel for a review of the overall water treatment program (s).

• Work on special projects to improve the water treatment program(s).

1.14 Startup Services

During startup, training seminars will be held for operating personnel in basic water chemistry relevant to the use, application and control of all chemicals used. The seminars will cover the following:

• Basic water chemistry

• Purpose of each product, handling and feeding information and testing procedures.

• Equipment lay-up procedures chemical adjustments.

• Handling of operational upsets.

• Statistical Process Control and Data management Software.

As part of these seminars, a complete water treatment manual with all pertinent products, testing, safety, feeding and control information will be provided to each operating and management personnel involved. To insure smooth, effective initiation of the recommended program(s) service personnel will be present for as long as necessary to:

• Assure that chemicals are properly handled and fed. Train personnel in running required control tests, Instruct personnel in the proper application of chemicals and implementation and control of the program(s).

• Assure that all chemical treatment programs are functioning properly and control limits are established and maintained at a steady rate.

2 Treatment Specifications

2.1 General:

The water treatment program shall be designed to minimize scale, corrosion deposit, sludge formation, foaming and biological fouling from slime and algae accumulations as well as microbiological growth in the systems to be treated.

The treatment chemicals specified shall conform to all existing local, state and federal regulations regarding water pollution and have EPA registration.

The bidder shall furnish Customer with product bulletins for each product that includes a complete description of the product and its purpose.

2.2 Cooling Tower (Condenser Water ) Systems

2.2.1 Corrosion and Scale Inhibitor

The Cooling Tower water shall be chemically treated with a liquid blend of scale control agents and control inhibitors. It shall not contain any heavy metals. The formation may require specific PH control. The tower blowdown must meet discharge guidelines.

For controlling scale and corrosion the chemical supplied must be one product formula which can be fed neat. It must be proven effective in the control of corrosion of ferrous and non-ferrous metals.

2.2.2 Biocide Treatments

Two (2) non oxidizing liquid biocide products shall be fed to every condenser water system twice weekly. Treatment must be registered with the US Environmental Protection Agency as well as registered with the State of New Hampshire. Department of Agriculture. Food & Markets. Plant Industry Section (Pesticides). Biocides shall not include compounds of phenol, cyanide, mercury, arsenic and must be effective in controlling biological growths at a PH above 8.0. Acceptable microbicides are:

• Isothiazolin 1.5%

• Dibromo nitrilopropionamide 5%

• Polyloxyethylene (dimethyliminio ) ethylene (dimethyliminio) ethylene dichloride

• Glutaraldehyde Solution

Bidders are reminded to the need to supply copies of the biocide (drum) labels with their bid response.

2.3 HVAC Chilled Water System and Hot Water Heating System

The treatment chemical shall contain sodium nitrate, azole compounds and polymer. A minimum concentration of 300 PPM nitrite is required at all times. Biocides for intermittent feed to the chilled water loops to control bacterial populations are limited to the following:

• Isothiazolin 1.5%

• Polyloxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichloride

• Glutaraldehyde Solution

2.4 Makeup Water Quality

The design of the water treatment shall be a program based on the present chemistry of city water.