Attachment J-2- ZAU Water Treatment SOW.pdf

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DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

GREAT LAKES REGION

DES PLAINES, ILLINOIS

WATER TREATMENT SERVICES

FOR THE

CHICAGO AIR ROUTE TRAFFIC CONTROL CENTER

AURORA, ILLINOIS

DATED: MARCH 20, 2019

FAA/CHICAGO AIR ROUTE TRAFFIC CONTROL CENTER (ARTCC)

619 W. INDIAN TRAIL ROAD

AURORA, ILLINOIS 60506

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DESCRIPTION/SPECIFICATIONS

WATER TREATMENT

SPECIFICATIONS

1. SCOPE OF WORK

The Contractor must provide consulting services and materials to maintain trouble free performance on all waterside components of the environmental components located at the FAA, Chicago ARTCC, 619 W. Indian Trail Road, Aurora, Illinois 60506.

The environmental equipment included in this contract must include the closed loop chilled water system, closed loop hot water system, open loop evaporative condenser system, and open humidification system with no condensate return.

2. SPECIAL CONDITIONS

a. Security- The CENTER is a 24 hour, 7 day per week facility critical to aviation safety. Therefore, disruptions of any major systems, including the environmental systems, must be avoided.

Access to the CENTER is restricted to authorized personnel only. The contractor must advise the Contracting Officer's Representative (COR) of all personnel requiring access so that security arrangements can be made. All contractor personnel will be required to register with security personnel and wear official identification badges at all times while on the site.

b. Contracting Officer's Representative- The Contracting Officer's Representative must be contacted concerning all matters relative to this contract. The Contracting Officer's Representative is located at the site on a full time basis. Contractor's representatives and a direct supervisor must be available for calls on specific problems should they occur. The representatives must be available to the facility on 24-hour notice, and under emergency circumstances, must be able to visit the facility within four (4) hours after being notified.

c. Storage- Adequate storage area is available at the site for a reasonable amount of water treatment chemicals. This area is enclosed and heated. The contractor must maintain adequate inventories for daily operational needs. The designated storage area is not overcrowded.

d. Training- Provide in person training to all building engineering and/or maintenance personnel on the implementation and control of the program.

g. Government Owned Equipment- The following government-owned equipment is installed at the site and is available for the contractor's use:

(1) Cooling Tower Equipment

1 each, Lakewood Instruments Model 2175 chemical controller

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1 each, Model 9021-11 chemical pump 2 each, Pulsafeeder Series CTP, 13 GPD chemical pumps

(2) Steam Boilers

1 each, Pulsatron 33gpd 1 each, RedLine duplex Water Softener, Model S61A 1 each, Advantage Controller, S/N RB-1656 – Model MGB2F2-X2 2 each, Gemini Electric Actuators

Additional treatment equipment will be provided by the contractor. Any relocation of the water treatment equipment must be performed and supervised by the contractor and approved by the COR.

h. Environmental Protection- All material provided by the contractor must be compatible with applicable local, state and federal regulations regarding environmental protection.

Handling and storage equipment must all be in compliance with applicable OSHA regulations.

i. Chemical Safeguards- The contractor must warrant that the chemicals used in the water treatment program will not endanger the health or safety of persons coming into contact with the materials and will not damage personal or real property as long as the contractor's instructions are followed. The contractor also warrants that the chemical used in the water treatment program must have no detrimental effect on the metallic or non-metallic materials in the equipment being treated.

The Contractor will ensure, that a Material Safety Data Sheet accompanies all first time orders and that the Contractor operate a 24-hour, 7 days per week emergency telephone number which can be called for emergency information regarding chemical spills and/or accidents and/or accidents involving Contractor's products. The Contractor must provide a copy of the MSDS and a description of the emergency phone number before commencement of work.

j. Packaging- The treatment supplied by the contractor must be especially designed and formulated for the type of water being used in each system. Each package of treatment must be labeled describing the contents and directions for use. Cooling tower condenser water treatment and steamboiler water treatment must be shipped in bulk, and delivered directly into the tank in the pump house. Closed Loop chemicals and Boiler chemicals must be delivered to the Boiler Room

k. Submittals- Prior to commencement of work, the contractor must submit for approval detailed descriptive literature of the treatment proposed. One copy of such literature must be submitted to the Contracting Officer for approval.

3. COOLING TOWER

Scale and Corrosion Control- Provide a single liquid cooling water treatment to control PH and corrosion in air conditioning condenser water systems. The use of toxic and staining corrosion inhibitors such as chromates will not be permitted. Corrosion inhibitors selected must have been proved effective by at least one year use by the contractor. Poly-phosphates are not considered as effective corrosion inhibitors. Corrosion must be controlled below 3 mils and PH between 7.4 and 8.2.

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4. STEAM BOILER (HUMIDIFICATION) TREATMENT

Service must consist of treating the make-up water to the boilers with carbonate cycle treatment.

This treatment should provide protection of the boiler system against corrosion, scale formation, sludge, boiler water carryover due to foaming and condensate system corrosion. With this blend of treatment our technician should able to test daily for the following:

Hardness: 0.00 Iron: 0.00 Total Dissolved Solids: 1500 - 1750 PPM (as CaCo3) Silica: 60 PPM maximum Sludge Conditioner: 200 - 300 PPM Sulfite: 10 to 20 PPM

5. CONDENSER WATER TREATMENT

a. Service must consist of treating the make-up water to the cooling towers with the most appropriate chemicals selected by the contractor. This treatment will provide complete protection of the condenser system against corrosion, scale formation, and biological growth.

The contractor must maintain the following water characteristics within the condenser water system:

Biostate and a Bioside control both growth to 0.

Water Concentration: 4X to 5X

b. If condenser tubes or cooling tower becomes coated or fouled, the contractor must have the system cleaned at his expense.

c. Any damage to equipment or pipes will be repaired or replaced at the expense of the contractor.

6. CLOSED SYSTEMS

The contractor's service must consist of treating the water in the closed hot water and chilled water systems with the most appropriate chemicals selected by the COR. This treatment will provide complete protection against corrosion scale and biological growth.

7. TESTING AND REPORTING

a. The contractor must provide the following testing and reporting services:

(1) Initial treatment dosages and blowdown schedules.

(2) Written instruction, including dosages and schedules for control of all water treatment services under this contract.

(3) Instructions to operating personnel regarding proper methods of applying treatment.

(4) Investigate unusual conditions and make recommendations for their correction.

(5) Provide water sample containers for on-site analysis.

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(6) Provide log sheets for maintaining necessary records.

b. Service calls by the contractor must be made during normal business hours of 8:00 a.m. and 4:00 p.m. Monday through Friday. The Contractor's Technical Representative at the CENTER will perform the following on a monthly basis:

(1) Review water analysis records, correspondence and reports since previous call.

(2) Make necessary tests of water samples to assure proper operation of the water treatment program. Readings must be within the established parameter ranges.

(3) Consult with operating personnel on methods of increasing overall efficiency and effectiveness of water treatment program.

(4) Submit a written report of the service call to the Contracting Officer's Representative.

(5) Pickup and dispose of all empty drums and chemical containers at an off-site location.

(6) Pickup excess treatment and dispose of when need arises.

8. QUARTERLY INSPECTIONS

a. N/A

b. N/A

9. SEMI-ANNUAL (every six (6) months)

Contractor must perform ASHRAE Legionella Standard 188 testing for the cooling towers.

10. ANNUAL INSPECTIONS

a. Boiler/Chiller Inspections - Contractor's Representative must inspect the boilers and chillers annually, when they are open for inspection by the Facility or at other unscheduled openings. Photographs of equipment internals must be taken and an on-going record with photographs must be kept. Representative must be notified of these openings two weeks in advance.