ATTACHMENT 1 - STATEMENT OF WORK (SOW).pdf

Statement of Work

BUILDING 1044 Chiller & CRAC unit Replacement 2025

PROJECT LOCATION

New Mexico Air National Guard

2251 Air Guard Drive S.E.

Kirtland AFB, NM 87117

WORK REQUEST #

202500581

PROJECT #

MHMV252100

Statement of Work BUILDING 1044 Chiller & CRAC unit Replacement

1. Scope of Work: The work covered by this specification consists of furnishing all labor, equipment, material, and performing all work to:

Building 1044 remove and replace one existing Chiller (70 TON) and two Computer Room Air Conditioners (CRAC 7 & 9 TON) to include new Piping, Valves, Electrical, Ducting, controls and a test & balance of the equipment and entire facility. The above is outlined in paragraph 7 PRINCIPAL FEATURES of work.

The CONTRACTOR is encouraged to propose their most cost-efficient solution to best meet the requirements of the Statement of Work.

2. All construction shall be in strict accordance with the Statement of Work and subject to the terms and conditions of the awarded contract.

CONTRACTORs will field verify all dimensions and existing utilities as to not interfere with any existing conditions. Government estimates 270 calendar days for completion of this project.

3. Location: The work is to be accomplished on the New Mexico Air National

Guard complex located on Kirtland AFB.

4. Work Week: The CONTRACTOR shall do all coordination and work during the regular work week being observed by the 150th Civil Engineer Flight, which is 6:30 am to 4:00 pm, Monday through Friday. Any deviation from this schedule will require 24 hours advance notice and approval of the Contracting Officer.

5. MILITARY INSTALLATION REQUIREMENTS:

A. The CONTRACTOR is responsible for the collection and disposal of all debris, rubble, residue and waste material generated in the performance of work under this contract. All such materials shall be disposed of at an off-base landfill by the CONTRACTOR or location specified by USAF Engineering personnel. The CONTRACTOR is not permitted to deposit any such materials in base trash collection containers or at any on base location without prior approval of the Contracting Officer.

B. Hazardous Materials: Materials classified as hazardous by US environmental rules, regulations, or laws, shall be handled and processed for disposal in accordance with those rules, regulations, or laws. The CONTRACTOR is responsible for all such materials that are residue from CONTRACTOR furnished supplies and materials which were brought to the job site by the CONTRACTOR, and for any such materials identified herein.

C. The CONTRACTOR shall coordinate the work of subcontractors and shall ensure the coordination of the work between the various trades. In many instances the contract drawings indicate only the general location and arrangement of equipment, fixtures, piping, conduit, or outlets and may not in all cases show, identify or detail all materials or components that are necessary, usual and customary for proper installation, connection or attachment. The CONTRACTOR shall study, examine, and evaluate the existing plans on file at the 150th CEF office to establish the work, coordination, or materials required and necessary to provide a product complete in the usual and customary manner, and shall provide for all such requirements as though expressly detailed herein or on the drawings.

6. WORKPLACE SAFETY: The CONTRACTOR is responsible for the safety of their workers and the safety of all personnel with the 150th New Mexico Air National Guard. Care should be taken with all vehicles both when backing (using a spotter to watch for obstructions and personnel) and in the performance of all work. Care shall be taken both during work hours cordoning the work site and securing the work site at the end of each workday. The CONTRACTOR shall provide, in writing, a comprehensive safety plan for the Contracting Officer upon the commencement of work. The Contracting Officer reserves the right to halt progress of work if unsafe workplace practices are found and until they are addressed to his satisfaction.

7. PRINCIPAL FEATURES: The work covered by this contract includes, but is not limited to the following:

BUILDING 1044 CHILLER REPLACEMENT

A. DEMOLITION

1. Remove existing Chiller insulation, hydronic piping, valves, electrical, temperature gauge, pressure gauge, and other items as necessary to accommodate the installation of the new chiller.

Ensure that all other existing surrounding equipment is protected during demo/installation. Remove/Demo pipe to accommodate the installation of the new equipment. Remove existing red iron pad underneath chiller. Contractor will need to remove the fencing and red iron above chiller to prepare for the placement of the new chiller. Iron and fencing above the chiller will be kept and re-installed after the new chiller has been placed The Government (Contractor Officer’s Representative - COR) and CONTRACTOR will field verify the limits of demolition prior to construction commencing. All materials shall be disposed of off Kirtland AFB by the CONTRACTOR.

B. INSTALLATION

1. Provide and install a new like Carrier chiller with the same brand unit. Contractor to verify proper size of chiller for the facility and present it to the COR for approval. Existing pad will be removed, and a new concrete pad will be installed in its place. Contractor to field verify dimensions to ensure the new chiller will fit on the new concrete pad. Contractor will refer to manufacturer’s instructions to ensure that there is enough clearance around the chiller for future maintenance. Due to the chiller and CRAC units having limited space the contractor is try their best to provide new units with the same dimensions, to save from a lot of modification to the surrounding equipment, and walls. Unit dimensions provided by equipment manufacturer.

2. Install new concrete equipment pad for the new chiller according to manufacturer instructions.

3. Remove associated piping as needed to accommodate the new chiller installation. Re-utilize existing piping as much as possible.

4. Where more than one piping system material is specified, provide compatible system components and joints. Use non-conducting dielectric connections whenever jointing.

5. Provide and install new jacketed pipe insulation per manufacturer’s instructions and to match existing jacketed insulation.

6. Provide and install new pressure and Temperature gauges.

7. Provide and install new electrical devices for a fully functional system per manufacturer’s specifications. Electrical devices will include but not be limited to wiring chiller flow switches, and power.

Contractor will run new flex conduit to the nearest connection point leaving the existing disconnects. Re-utilize the existing disconnects to the chiller. Contractor will provide and install new Surge Protection devices on all new equipment to ensure the safety of the newly installed equipment during energy fluctuations.

8. Label piping per ANSI/ASME 13.1 pipe identification.

9. All existing control connections shall be made to the existing

Reliable Building Automated System (BAS) with schedules, graphics and optimization complete on the front end.

10. Provide and install proper supports for piping and equipment.

Ensure all supports meet current code, industry standards and manufacturers recommendation.

11. Accomplish a full Test and Balance (TAB) of the air and entire hydronic closed loop system to include associated equipment.

Provide report to COR. (TAB) shall be performed by an independent agency on the water and air side of the HVAC system.

Contractor to follow all the test and balance instructions stated under “Building 1044 Test and Balance” section below.

12. Provide Polypropylene Glycol water treatment for complete Hydronic system. Polypropylene glycol shall be a minimum of 30% concentration in the complete hydronic system.

13. The Chiller shall be suitable for use with polypropylene glycol, up to 50% concentration.

14. After Chiller installation is completed, the manufacturer shall provide the services of a field representative for starting the unit and training the operator at no additional costs. A factory-approved and authorized start-up report shall be submitted to the customer/user at the time of start-up.

14. Prioritize units with high SEER (Seasonal Energy Efficiency Ratio) and EER (Energy Efficiency Ratio) ratings to minimize operating costs. Aim for SEER 15 or higher and EER 12 or higher.

15. Select unit that use environmentally friendly refrigerants, such as R- 410A or newer alternatives like R-32 or HFO blends.

16. Ensure chiller is protected with wire covering to keep birds from nesting within the chiller.

17. Contractor responsible to field verify the voltage amperage and phase requirements of the new unit match the existing electrical infrastructure conditions.

18. Since there is limited space for the replacement of the CRAC unit contractor is encouraged to carefully measure the unit to ensure the install of the new unit will fit the existing conditions.

C. CONTRACTOR QUALIFICATIONS: Contractor shall be approved, authorized or licensed by the manufacturer to install its product.

BUILDING 1044 COMPUTER ROOM AIR CONDITIONER (CRAC UNIT#1

Room #103)

1. Remove existing CRAC unit insulation, hydronic piping, valves, electrical, raised floor and other items as necessary to accommodate the installation of the new CRAC unit. Contractor responsible for the recovery of all refrigerant following EPA guidelines and will complete the local “refrigerant service form” and submit it to the COR for approval. Ensure that all existing surrounding computer Racks and equipment is protected during demo/installation. Existing raised flooring will need to be removed around the new unit and re-utilized for the install of the new unit. Responsible disposal of all equipment and materials according to environmental regulations. All material equipment and debris shall be disposed of off Kirtland AFB by the

CONTRACTOR.

B. INSTALLATION

1. Supply and install new down draft type CRAC unit matching the existing conditions. New unit to sit on stand making it flush with the existing raised floor matching existing unit conditions.

2. Contractor to provide a mechanical engineer to properly size the new CRAC unit. Engineer to oversize the unit to provide cooling for future growth of the mission. Mechanical engineer will provide a stamped drawing of his findings.

3. Remove associated piping as needed to accommodate the new CRAC unit installation. Re-utilize existing piping as much as possible.

4. Where more than one piping system material is specified, provide compatible system components and joints. Use non-conducting dielectric connections whenever jointing.

5. Provide and install new jacketed pipe insulation per manufacturer’s instructions and to match existing jacketed insulation.

6. Provide and install new smoke detector. Contractor to coordinate with COR to have it tied into the existing main base fire alarm system.

7. Provide and install new electrical devices for a fully functional system per manufacturer’s specifications. Electrical devices will include but not be limited to wiring CRAC units, flow switches, and power. Contractor will run conduit to the nearest connection point leaving the existing disconnects. Re-utilize the existing disconnects to the CRAC. Contractor will provide and install new Surge Protection devices on all new equipment to ensure the safety of the newly installed equipment during energy fluctuations.

8. Label piping per ANSI/ASME 13.1 pipe identification.

9. All existing control connections shall be made to the existing

Reliable Building Automated System (BAS) with schedules, graphics and optimization complete.

10. Provide and install proper supports for piping and equipment.

Ensure all supports meet current code, industry standards and manufacturers recommendation.

11. Accomplish a full Test and Balance (TAB) of the entire hydronic closed loop system and provide report to COR. (TAB) shall be performed by an independent agency on the water and air side of the HVAC system. Contractor to follow all the test and balance instructions stated under “Building 1044 Test and Balance” section below.

12. Provide Polypropylene Glycol water treatment for complete Hydronic system. Polypropylene glycol shall be a minimum of 30% concentration in the complete hydronic system.

13. The CRAC unit shall be suitable for use with polypropylene glycol, up to 50% concentration.

14. After CRAC unit installation is completed, the manufacturer shall provide the services of a field representative for starting the unit and training the operator at no additional costs. A factory-approved and authorized start-up report shall be submitted to the customer/user at the time of start-up.

15. Prioritize units with high SEER (Seasonal Energy Efficiency Ratio) and EER (Energy Efficiency Ratio) ratings to minimize operating costs. Aim for SEER 15 or higher and EER 12 or higher.

16. Select unit that use environmentally friendly refrigerants, such as R-410A or newer alternatives like R-32 or HFO blends.

17. Select unit with low dB(A) ratings or insulated shell to keep noise levels down.

18. Contractor responsible to field verify the voltage amperage and phase requirements of the new unit match the existing electrical infrastructure conditions.

19. Since there is limited space for the replacement of the CRAC unit contractor is encouraged to carefully measure the unit to ensure the install of the new unit will fit the existing conditions with minimal re-work of existing raised floor and surrounding equipment.

authorized or licensed by the manufacturer to install its product and shall have extensive experience in CRAC unit replacements, preferably in data center or mission critical environments.

BUILDING 1044 CRAC UNIT#2 (Room #308)

1. Remove existing CRAC unit insulation, hydronic piping, valves, electrical, and other items as necessary to accommodate the installation of the new CRAC unit. Contractor responsible for the recovery of all refrigerant following EPA guidelines and will complete the local “refrigerant service form” and submit it to the

COR for approval. Ensure that all existing surrounding computer Racks and equipment is protected during demo/installation.

Responsible disposal of all equipment and materials according to environmental regulations. All material equipment and debris shall be disposed of off Kirtland AFB by the CONTRACTOR.

B. INSTALLTION

1. Supply and install new 7 TON front/side draft type CRAC unit matching the existing conditions.

2. Remove associated piping as needed to accommodate the new

CRAC unit installation. Re-utilize existing piping as much as possible.

3. Where more than one piping system material is specified, provide compatible system components and joints. Use non-conducting dielectric connections whenever jointing.

4. Provide and install new jacketed pipe insulation per manufacturer’s instructions and to match existing jacketed insulation.

5. Provide and install new smoke detector, and coordinate with COR to have it tied into main base fire alarm system.

6. Provide and install new electrical devices for a fully functional system per manufacturer’s specifications. Electrical devices will include but not be limited to wiring CRAC units, flow switches, and power. Contractor will run conduit to the nearest connection point leaving the existing disconnects. Re-utilize the existing disconnects to the CRAC. Contractor will provide and install new Surge Protection devices on all new equipment to ensure the safety of the newly installed equipment during energy fluctuations.

7. Label piping per ANSI/ASME 13.1 pipe identification.

8. All existing control connections shall be made to the existing

Reliable Building Automated System (BAS) with schedules, graphics and optimization complete.

9. Provide and install proper supports for piping and equipment.

Ensure all supports meet current code, industry standards and manufacturers recommendation.

10. Accomplish a full Test and Balance (TAB) of the entire hydronic closed loop system and provide report to COR. (TAB) shall be performed by an independent agency on the water and air side of the HVAC system. Contractor to follow all the test and balance instructions stated under “Building 1044 Test and Balance” section below.

11. Provide Polypropylene Glycol water treatment for complete Hydronic system. Polypropylene glycol shall be a minimum of 30% concentration in the complete hydronic system.

12. The CRAC unit shall be suitable for use with polypropylene glycol, up to 50% concentration.

13. After CRAC installation is completed, the manufacturer shall provide the services of a field representative for starting the unit and training the operator at no additional costs. A factory-approved and authorized start-up report shall be submitted to the customer/user at the time of start-up.

14. Prioritize units with high SEER (Seasonal Energy Efficiency Ratio) and EER (Energy Efficiency Ratio) ratings to minimize operating costs. Aim for SEER 15 or higher and EER 12 or higher.

15. Select unit that use environmentally friendly refrigerants, such as R-410A or newer alternatives like R-32 or HFO blends.

16. Select unit with low dB(A) ratings or insulated shell to keep noise levels down.

17. Contractor responsible to field verify the voltage amperage and phase requirements of the new unit match the existing electrical infrastructure conditions.

18. Since there is limited space for the replacement of the CRAC unit contractor is encouraged to carefully measure the unit to ensure the install of the new unit will fit the existing conditions with minimal re-work of existing raised floor and surrounding equipment.

authorized or licensed by the manufacturer to install its product and shall have extensive experience in CRAC unit replacements, preferably in data center or mission critical environments.

BUILDING 1044 TEST AND BLANCE

D. Testing, Adjusting, and Balancing of Hydronic systems including pumps, water distribution systems, chillers, boilers, heat exchangers, coils, and related equipment.

E. Definitions:

1. Adjusting: Varying of system flow by modifying settings of dampers and valves, in combination with varying fan speeds to obtain optimum operating conditions for the HVAC system.

2. Balancing: Proportioning of air and hydronic flows through system mains, branches, and terminal devices using standardized procedures to obtain specified air or hydronic flow while imposing the least amount of restriction on the HVAC system.

3. Testing: Use of specialized and calibrated instruments to measure temperatures, pressures, rotational speeds, electrical characteristic, air and hydronic flow in velocities or quantities used in evaluating the performance of the HVAC system.

F. Project Documentation:

1. Qualifications Statements-submit company certification documents including:

- Contractor Certification -TABB Certification

2. Reports:

- Deficiency Report: Following examination of installed system, prior to balancing, submit report indicating system deficiencies that would prevent proper testing, adjusting, and balancing of systems and equipment to meet specified performance.

- T&B Report: Submit 3 paper copies and 1 Electronic copy on DVD in .PDF format of the complete testing, adjusting and balancing report, including any drawings indicating air outlets, thermostats, and equipment identified to correspond with data sheets.

G. Closeout Submittals:

1. Provide complete copy of testing, adjusting, and balancing report. (Include report in Operation and Maintenance Manual.)

2. Sequence of Operations for existing HVAC/Hydronic Equipment.

H. Warranty:

1. Provide warranty for period of 30 days following submission of completed report, during which time Owner may request a recheck of up to 10% of total number of terminals, or resetting of any outlet, coil, or device listed in the test report.

8. EXECUTION

A. Examination - Prior to commencing the testing, adjusting, and balancing of environmental system(s), verify the following conditions:

1. Systems are started and operating in a safe and normal condition.

2. Temperature control systems are installed, complete, and operable.

3. Automatic and manual dampers are operable and fully open.

4. Thermal overload protection is in place for fans, pumps, chillers, and other equipment.

5. Startup air filters are removed.

6. Final filters are clean and properly installed.

7. Duct and fan systems are clean.

8. Fans are rotating correctly.

9. Fire and volume dampers are in place and open.

10. Air coil fins are cleaned and combed.

11. Access doors are closed, and duct end caps are in place.

12. Air outlets are installed and connected.

13. Hydronic systems are pressure tested, flushed, filled, and properly vented.

14. Pumps are rotating correctly.

15. Start-up/construction strainers have been removed, and all permanent strainers are clean and in place.

16. Gauges and/or test ports are properly located for balancing.

17. Service and balance valves are fully open.

Note all equipment deficiencies during installation and TAB, ensure they are submitted in Deficiency Report to Contracting Officer and POC.

9. SITE TOLERANCES

A. Air Handling Systems: Adjust to within plus 10 percent of outlet total plus allowable leakage rate.

B. Air Outlets and Inlets: Adjust total to within plus or minus 10 percent of design for the space.

C. Hydronic Systems: Adjust to within 10 percent of design flow.

D. Hydronic terminal devices: Adjust to within plus or minus 10 percent of design flow.

10. HYDRONIC SYSTEM PROCEDURE

A. Adhere to the follow procedure:

1. TABB – SMACNA TAB Procedural Guide, with particular focus on the following chapter:

- Hydronic System T&B Procedures.

B. Hydronic balancing shall include the following minimum data:

1. Prepare itemized equipment schedules listing all heating and/or cooling elements and equipment in the systems to be balanced.

List in order on equipment schedules, by pump or zone according to the design, all heating and/or cooling elements, all zone balancing valves, and circuit pumps, ending with the last items of equipment or transfer element in the respective zone or circuit. Include on schedule sheet column titles listing the location, type of element or apparatus, design conditions, and measured conditions. Prepare individual pump report sheets for each zone or circuit.

2. Adjust hydronic systems to provide plus or minus 10 percent of required design quantities.

3. Use calibrated Venturi tubes, orifices, metered fittings, pressure gages, and direct-reading instrumentation to determine flow rates for system balance. Where flow-metering devices are not installed, flow balance on temperature difference across various heat transfer elements in the system is acceptable.

4. Adjust systems to provide specified pressure drops and flows through heat transfer elements prior to thermal testing. Perform balancing by measurement of temperature differential in conjunction with air balancing.

5. Effect system balance with automatic control valves fully open to heat or cooling transfer elements.

6. Adjust hydronic distribution systems by means of balancing cocks, valves, and fittings. Do not use service or shut-off valves for balancing unless indexed for balance point.

7. Test pumps and adjust flow. Record the following on pump report sheets:

- Suction and discharge pressure.

- Running amps and brake horsepower of pump motor under full flow and no flow conditions.

- Pressure drop across pump in feet of water and total GMP pump is handling under full flow conditions.

Where available pump capacity is less than total flow requirements or individual system parts, proportional balancing must be performed.

11. ADJUSTING

A. Recorded data shall represent actual measured or observed conditions.

B. Permanently mark the setting of valves, dampers, and other adjustment devices allowing for settings to be restored. Set and lock memory stops.

C. Final report to include identification of all key outlets, key branches, and key trunks in each air system that shows a critical path of no dampening from the fan to terminal device.

D. Final report to include identification of all key terminal devices, key branches, and key trunks in each hydronic system that shows a critical path of no throttling of valves from the pump to terminal device.

Leave systems in proper working order by: replacing belt guards, closing access doors, closing doors to electrical switch boxes, and restoring thermostats to specified settings.

12. QUALITY CONTROL: The CONTRACTOR will develop and implement a quality control plan specific to this contract effort. Provide, for acceptance by the Contracting Officer, a Construction QC Plan submitted in a three-ring binder that includes a table of contents, with major sections identified with tabs, with pages numbered sequentially, and that documents the proposed methods and responsibilities for accomplishing activities during the construction of the project. CONTRACTOR's operational plan for accomplishing and reviewing work controls, fabrication controls, certifications, and documentation of quality control operations, inspections, and test records, including those for subcontractors. Furnish legible copies of the test and inspection records to the Contracting Officer. Ensure records cover work placement traceable to the contract schedule, specifications and drawings, and are verifiable.

13. OPERATION & MAINTENACNCE MANUALS: The contractor will submit all equipment manuals ensuring that they contain at a minimum the operating procedures, maintenance procedures, cut sheets, parts list, warranties, and detailed drawings for all equipment installed. A troubleshooting guide shall be included. The content of the manuals will be approved by the COR. Contractor will provide (3) hard copy sets of warranties and manuals to the COR before the contract is considered complete.

14. AS-BUILT DRAWINGS: Upon competition of project, the contractor shall provide a complete set of as-built drawings to the COR. These drawings shall accurately reflect all construction as executed, including but not limited to any modifications or deviations from the original as-built drawings. This includes, but is not limited to, dimensions, locations, materials, and installation details of all work performed. The as-built drawings shall be submitted in AutoCAD & PDF format and one hard copy and comply with the latest AutoCAD standards.

15. TRAINING: Contractor will schedule and coordinate all training with the COR prior to the end of the project. The contractor will submit the Operation and Maintenance manuals prior to the training session. The contractor will ensure that the training session is recorded. The contractor will provide a training session sign-in sheet and copy of the training session as part of the project close-out package.

16. TESTING: All equipment and product testing conducted during construction is the responsibility of the contractor. The contractor shall ensure the testing procedures comply with manufacturers recommendations and be conducted by a manufacturer Representative when required. The contractor will review the final test reports with the COR prior to the acceptance/rejection of the work. A copy of all start-up/testing reports will be submitted to the COR.

17. WORK PLANNING: The CONTRACTOR shall maintain a set of redline drawings on the job. Redline drawings shall be updated as approved changes to the drawings occur. One set of the complete redline drawings shall be submitted at the completion of the project. Redline drawings are required for final acceptance.

18. DISPOSITION OF NONSALVABLE MATERIALS: Any waste generated by the CONTRACTOR is the responsibility of the CONTRACTOR and will not be left on government property but will be dumped in an approved landfill.

19. Upon completion of work, CONTRACTOR will notify the Contracting

Officer and Contracting Officer’s Representative for final inspection.

20. All surplus material generated because of construction and or maintenance is the property of the government. Its disposition will be determined as directed by the Contracting Officer.

21. All warranty and accompanying documentation will be turned over to the

Contracting Officer.