Chiller Parts Replacement SOW.pdf

STATEMENT OF

WORK FOR

8 SMARTD Chiller Parts Replacement at 3 different locations

AUGUST 2023

SCOPE OF WORK

PART 1 – SCOPE OF WORK:

1.1 GENERAL:

The work to be performed under this contract and in accordance with this Statement of Work (SOW) shall consist of furnishing, all necessary plant, labor, tools, transportation, supplies, supervision, equipment, materials, and incidentals necessary for providing all work shown in this SOW, and all applicable codes, regulations, standards, and criteria in effect at the date of solicitation. It is recommended that Contractor shall perform a site visit and ensure complete understanding of the project scope of work and shall provide a complete and usable system.

1.2 PROJECT DESCRIPTION:

For each of the eight chillers this work shall consist of, but not be limited to the following:

1. CONTROLS REPLACEMENT:

Remove the existing GEN-4 CPU and touch screen.

Provide and install a new MCS Controls upgraded CPU or approved equal and touch screen on each chiller along with ancillary components.

Confirm software and check for updates on system, start up and check for proper operation.

Conduct thorough testing and calibration of the newly installed controls to ensure proper functionality.

2. CAPACITORS REPLACEMENT:

Assess the condition of existing capacitors and identify faulty or worn-out units.

Source and install high-quality replacement capacitors, meeting or exceeding the chiller's specifications.

Perform testing and verification to validate the effectiveness of the newly installed capacitors.

3. FAN MOTORS REPLACEMENT:

Evaluate the performance of the current fan motors and determine any motors requiring replacement.

Acquire and install new, energy-efficient fan motors, appropriately matched to the chiller's cooling requirements. A total of 6 fans per chiller.

Conduct rigorous testing to verify the correct operation and alignment of the new fan motors.

4. MINI UPS INSTALLATION:

Select an appropriate mini Uninterruptible Power Supply (UPS) system to ensure continuous power supply to critical components during brief power interruptions.

Position the mini UPS in a suitable location and integrate it with the chiller's power supply system.

Verify the functionality of the mini UPS and its ability to safeguard essential components during power fluctuations.

5. ELECTRONIC EXPANSION VALVES REPLACEMENT:

Inspect the electronic expansion valves for any malfunctions or inefficiencies.

Procure compatible electronic expansion valves and install them in place of the existing ones.

Verify the proper operation and responsiveness of the new electronic expansion valves.

1.3 LOCATIONS

1. Four (4) Chillers are located at DFW Airport

FAA East ATCT

2960 East 23rd Street, DFW Airport, TX FAA West ATCT 1606 West 21st Street, DFW Airport, TX 75261

2. Two (2) Chillers are located at Houston Intercontinental Airport

IAH ATCT

4215 Will Clayton Parkway Houston, TX 77032

3. Two (2) Chillers are located at Austin International Airport

Austin ATCT 10102 Aircraft Ln Austin, TX 78719

1.4 WORK AND MECHANICS:

The work for this project shall be executed in the best and most workmanlike manner, by qualified, trained and certified efficient mechanics/tradesmen, skilled in their respective trades.

Certificated for certified mechanics/tradesmen shall be submitted as part of contractor proposal.

At a minimum, contractor to perform the work shall possess a current Texas Air Conditioning License Class A (TACLA). Only certified journeymen in each respective trade, or apprentices under the direct supervision of certified journeymen, shall be permitted to install and/or supervise installation for this project. Contractor shall submit applicable journeymen certificates as part of contractor. Individual trade work for this project shall be performed and quality maintained by the applicable trade only. The Contractor shall assure that all trades coordinate their work with that of other trades. The Contractor shall coordinate and perform all operations in a manner that will result in a professional and expeditiously completed project. The work shall be in strict accordance with prevailing industry standards and manufacturer’s instructions. Work and materials shall comply with this SOW and the editions in effect at the time of this solicitation for all applicable criteria, regulations, guidelines, and codes, all of which are made a part thereof.

1.5 WORKING CONDITIONS:

The Contractor shall have one-hundred and eighty (180) calendar days to perform all work. The Contractor shall submit product specifications for all new materials as part of the proposal. The Contracting Officer or designated technical representative must approve materials before the Contractor makes any purchase. All Contractor operated/owned vehicles, equipment, tools, etc., shall be stored as prescribed in paragraph (1.13) DELIVERY, STORAGE, AND PARKING.

Applicable traffic control signage where required by the contract shall remain overnight. Parking on turf shall not be permitted without prior approval by the Government.

1.5.1 WORK SCHEDULE: Working hours for the Contractor will normally be between the hours of 6:00 a.m. and 6:00 p.m. excluding Saturdays, Sundays, Federal Holidays or heavy Air Traffic Operations.

The work to be performed on this project will include work in an occupied facility. The Contractor shall coordinate the work of all activities whereby both the Government and the Contractor can continue operations with the least possible interference and inconvenience to Air Traffic Operations. The Contractor shall conduct all work such that means of facility ingress and egress are maintained at all times. The Contractor shall be responsible for providing suitable, approved signs, barricades, roped barriers, etc., to warn occupants of hazardous areas at the job site for the duration of the contract at no additional cost to the Government. The Contractor shall submit their work schedule request to the Contracting Officer in writing as part of project proposal. If personnel are reasonably available, the Contracting Officer may authorize the Contractor to perform work during periods other than normal duty hours/days. If such work is required Contractor shall submit request in writing to Contracting Officer a minimum of 72 hours in advance for Government approval.

1.5.2 WORK AREA ACCESS: Government personnel escorts are needed for this SOW.

1.6 PROTECTION OF GOVERNMENT PROPERTY: The Contractor shall use reasonable care to avoid damaging existing trees, troopwalk, sidewalk, valve boxes, light poles, signs, curb & gutter, concrete pavement, and exterior of buildings, and equipment on the Government installation. If the Contractor fails to use reasonable care and causes damage to any of this property, the Contractor shall replace or repair the damage at no expense to the Government as recommended by the Contracting Officer. If the Contractor fails or refuses to make such repair or replacement, the Contractor shall be liable for the cost, which may be deducted from the contract price.

1.7 SITE MAINTENANCE AND CLEANUP:

1.7.1 SITE MAINTENANCE: The Contractor shall protect adjacent property, buildings, and their contents from dust, dirt or other materials. Work areas shall be maintained in a neat, clean, and safe condition and shall, at a minimum, be cleaned at the end of each shift. All streets and roadways in/or adjacent to the site shall remain free of project generated dust, rock, dirt, trash and debris at all times.

1.7.2 DAILY CLEANING: The Contractor shall keep the site free from debris at all times and shall perform daily cleaning of all areas.

1.7.3 CLEANUP: The Contractor shall collect any and all trash, debris, refuse, garbage, etc., that is generated and place it in appropriate containers with lids or approved covers on a periodic basis or as directed by the Contracting Officer. The Contractor is not permitted to use installation dumpsters and other trash receptacles. The aforementioned materials shall be hauled from the site by appropriate means on a daily basis, unless otherwise approved by the Contracting Officer.

Disposal shall be outside the limits of Government property. Disposal shall be by sanitary landfill or other approved methods and shall conform to all local, state, and federal guidelines, EPA criteria, and regulations. Upon completion of the work, the Contractor shall leave the work site and storage area(s) in a clean, neat, and workmanlike condition satisfactory to the Government.

1.7.4 CONTRACTOR DUMPSTERS: Should the Contractor require a dumpster it shall be at the Contractor’s own expense. The location of the dumpster will be submitted for approval by the Contracting Officer and will be maintained to prevent overflow and spreading of construction debris caused by wind and other factors.

1.8 REFERENCES: All publications listed herein shall be the most current editions in effect at the time of solicitation and form a part of this Statement of Work. The publications are referred to in the text by basic designation only and include the following:

Code of Federal Regulations (CFR):

Title 29 Volume 5 Subtitle B Chapter XVII Part 1910.120 Hazardous Waste Operations and Emergency Response Title 29 Volume 8 Chapter XVII Subtitle B 1926 Safety and Health Regulations for Construction Title 29 Volume 17 Chapter XVII Subtitle B 1910.252 Welding Cutting and Brazing

Title 40 Volume 9 Part 61, National Emissions Standard for Hazardous Air Pollutants Title 40 Volume 18 Part 82 Protection of Stratospheric Ozone Title 40 Volume 22 Part 117 Determination of Reportable Quantities for Hazardous Substances Title 40 Volume 22 Part 122 EPA Administered Permit Programs: The National Pollutant Discharge Elimination System Title 40 Volume 24, Part 170 Worker Protection Standard Title 40 Volume 25, Part 247, Comprehensive Procurement Guideline for Products containing Recovered Material.

Title 40 Volumes 26 and 27, Parts 260 - 282 Solid Waste Regulations Title 40 Volume 28, Part 302 Designation, Reportable Quantities, and Notification

Resource Conservation and Recovery Act of 1976, as amended Environmental Protection Agency Publication (EPA)

Environmental Laws

AFI 32-7086

Clean Air Act (CAA) and all amendments Clean Water Act (CWA) as amended Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Emergency Planning and Community Right-To-Know Act (EPCRA) Federal Water Pollution Control Act (FWPCA) National Oil and Hazardous Substances Contingency Plan (NCP) Occupational Health and Safety Act (OSHA) Oil Pollution Act (OPA) Pollution Prevention Act (PPA) Resources Conservation and Recovery Act (RCRA) Safe Drinking Water Act (SDWA), as amended

NEC National Electric Code

NFPA 101: Life Safety Code, National Fire Protection Association

UFC 3-600-1 Fire Protection During Construction

1.9 WARRANTY: The Contractor shall identify all items being installed that are guaranteed or under an extended manufacturer warranty for more than a one-year period and provide validated copies of the manufacturer’s warranty. All warranty information shall be filed by the Contractor in the Government’s name. All warranties shall be identified by product with a listing of the name and address of the company and the expiration date of the guarantee or warranty. Warranty documentation shall be submitted to the Contracting Officer for Government Approval (GA).

1.10 DELIVERY, STORAGE AND PARKING: All equipment and materials delivered or stored shall be protected from the weather, humidity, and temperature variation, dirt and dust, and any other contaminants.

1.10.1 Contractor Parking & Storage: The Contractor shall submit a material and equipment storage area and for contractor parking layout for Government Approval (GA) before commencing of any work.

1.10.2 Storage Areas: The Contractor shall not work or store materials in a manner that would hinder or otherwise block pedestrian circulation to exit corridors and exit doors in the event of an emergency or fire. If space allows, materials may be stored at the job site as coordinated with and approved by the Contracting Officer before commencing of any work. Otherwise, materials shall be stored off Government property until ready for installation at no additional cost to the Government. In instances where on site storage is not available, the Contractor shall be responsible for storing and preparing materials in the manner specified herein, or by the manufacturer’s instructions, so that materials are properly suited for installation. Off-site acclimatization of materials shall be at no additional cost to the Government. All project storage areas shall be kept free of debris, leaks, stains, or splashes and kept in a neat, clean, and safe condition. Any contamination of the storage area by a hazardous substance shall be immediately remediated by the Contractor, in accordance with PART 2.0 below at no additional expense to the Government.

All other hazardous materials shall be secured when not in use.

1.11 UTILITY OUTAGES AND SPECIAL CONDITIONS:

1.11.1 PERMITS: Not required

1.11.1.1 Welding, Cutting, and Brazing: The Contractor shall contact 17 CES/CEFP (Fire Prevention) for a complete inspection of all welding, cutting, and brazing operations prior to any operation. The Contractor shall provide an appropriate operable fire extinguisher. Contractor shall comply be with OSHA Standard 29 CFR 1910.252 Welding, Cutting, and Brazing (General Requirements).

1.12 DISPOSAL: Items to be included in the disposal shall consist of but not limited to the careful removal and disposition of materials. The Contractor shall recycle or divert wastes from landfill disposal to the maximum extent practicable.

1.13 SECURITY REQUIREMENTS:

1.13.1 Each of the FAA Air Traffic Control (ATCT) facilities are a closed/controlled access facility. Security requirements will be briefed at the pre-bid conference.

PART 3 – PRODUCTS:

3.1 REFERENCES TO MATERIALS, MANUFACTURERS AND PRODUCTS: Materials and equipment shall be the standard products of a manufacturer or supplier regularly engaged in the manufacture of the products and shall essentially duplicate items that have been in satisfactory use for at least five years prior.

3.2 VERIFICATION OF DIMENSIONS AND CONDITIONS: The Contractor is highly encouraged to visit the premises to become thoroughly familiar with details of the work and working conditions. The Contractor is highly encouraged verify all dimensions/information and advise the Contracting Officer of any discrepancies prior to the work commencement.

3.3 GOVERNMENT FURNISHED EQUIPMENT (GFE): There are no GFE provided for this project.

3.4 CONTRACTOR PROVIDED MATERIALS (CPM): The Contractor shall provide all materials and shall comply with all FAA Standards and the following project specific criteria.

The Contractor shall install the below parts or approved equal by the Contracting Officer or Contracting Officer’s Technical Representative will be accepted.

a. MCS Controls Upgrade Package for each chiller:

1. (1) MCS-MAGNUM-15.4-12 with 15.4" Touchscreen, 12vdc power supply and crossover ehternet comes with 12v power supply

4. GRAPHICS-DEV-STD - development of graphics for MCS controllers (loaded on touchsceen or emailed)

5. (1) CFG-DEV-STD - development of configuration model for MCS controllers

(loaded on controller, chip or emailed)

6. (1) MCS-SI-BASE - 16 sensor input, 4 analog output expansion board 12vdc

7. (1) MCS-MODBUS-IO-12 - magnum modbus master 12vdc

8. (6) MCS-T100-40 - MCS temperature sensor with 40' cable

9. (1) MCS-200C-40M - 0-200 PSI transducer, 1/4" SAE flare, stainless steel, and 3 pin molded packard connector with 40' cable

10. (2) MCS-500C-40M - 0-500 PSI transducer, 1/4" SAE flare stainless steel, and 3 pin molded packard connection with 40' cable

11. (1) MB-ALARM-115 - red alarm indicator 115vac installed in enclosure

12. (1) MB-RUN-SW - 3 position selector switch "hand/off/auto" installed in enclosure

13. (1) MCS-EXV-DRIVER - programmed control board for electronic expansion valves 110-240vac

14. (5) MCS-TUBE - brass tube 0.250" x 2.75" L filled with thermal compound

15. (2) MCS-EPOXY - steel reinforced epoxy putty stick, 2oz

16. (2) MCS-WELL-1/4-3 - brass tube 1/4" hex NPT thread filled with thermal compound, tube length 3"

17. (1) MCS-ETHERNET-SWITCH-B - 10/100/1000 mbps unmanaged L2 ethernet switch 5 port with power cube

18. (1) MCS-BMS-GATEWAY-P - programmed BMS gateway, bacnet IP to MSTP or

N2 or LonTalk

19. (1) MCS-GROUND-BAR - 23 position ground bus bar for sensor input cable shield wires

20. (1) MCS-USB-RS485 - USB to RS-485 converter cable 16.4'

21. (1) MCS-EXV-DRIVER - programmed control board for electronic expansion valves 110-240vac

22. (11) MCS-TOUCH-10.1-COVER-KIT - NEMA4 14" x 12" polycarbonate cover with prop arm for MCS-TOUCH

b. MCS Controls Upgrade Installation:

Lock out tag out chiller

2. Install (1) MCS Control Upgrade (Quote #Q-10778)

3. Ensure all safeties are functional

4. Record all settings from existing controller before de-energizing the panel and removing it Identify and remove all external wiring to/from the panel Remove all existing sensors and discard Install new sensors and terminate at controller

8. Check for proper voltages and power up MCS controller

9. Verify all settings and program controller with recorded settings

10. Restart unit and recommission unit and MCS controller

11. Verify proper operation and ensure all safety functions are working correctly

12. Clean up work area

13. Provide operator training on the new controller

c. START UP, TRAINING AND MANUALS: The Contractor shall provide, schedule, and arrange certified start-up. Contractor will provide operational, and maintenance training as recommended by the manufacturer, to train Government craftsmen and provide all operating, maintenance, and parts manuals instructions to include parts listings of equipment and other materials installed.

d. MATERIALS: The contractor shall provide all equipment, tools, hardware/software and materials necessary to provide complete electrical, mechanical, and physical connections from the new equipment to the existing equipment and connections.

PART 4 – EXECUTION:

1.1 GENERAL: All work shall be installed as shown and in accordance with the manufacturer's diagrams and instructions, unless otherwise specified. All dimensions are shown for information only. Contractor shall field verify all dimensions and site conditions.

Contractor shall modify existing concrete pad according to the manufacturer’s recommendations.

1.2 FINAL INSPECTION: The Contractor shall advise the Contracting Officer in writing of the Contractor's desired final inspection date seven (7) calendar days in advance of that desired date to permit proper coordination. The date selected shall provide adequate time for Contractor performed corrections of final inspection deficiencies within the contract performance time. The Contracting Officer will be the final authority for determining whether or not the Contractor's performance is sufficiently advanced to warrant a final inspection.

END OF STATEMENT OF WORK

APPENDIX A

Austin ATCT Chiller 1

Austin ATCT Chiller 2

Houston ATCT Chiller 1

Houston ATCT Chiller 2

DFW AIRPORT ATCT Chillers 1 & 2

DFW AIRPORT Chillers 3 & 4

Existing GEN-4 CPU & TOUCH SCREEN

Existing ELECTRONIC EXPANSION VALVE