B1470 SOW - Rpr B1470 Ph 3 8212024.pdf

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Statement of Work (SOW)

Work Task #14535593 Repair Bldg 1470 Air Handling Units, Phase 3

Peterson Space Force Base (PSFB) Colorado

May 1, 2024

CONTROLLED BY: USSF

CONTROLLED BY: 21 CES/CEOER

CUI CATEGORY: SSEL

DISTRIBUTION/DESSEMINATION CONTROL: FEDCON

POC: <<ALFRED E. ROMAN LOZADA, (719) 556-7531>>

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WT #14535593 CUI Repair Bldg 1470 AHUs Phase 3

Table of Contents

1. GENERAL REQUIREMENTS

2. PROJECT SCOPE

2.1. ELECTRICAL

2.2. HVAC

2.3. FIRE PROTECTION

3. UTILITY OUTAGES

4. WORK CLEARANCE

5. HOT WORK PERMIT

6. ENVIRONMENTAL AND HAZARDOUS MATERIAL HANDLING

7. DESIGNER OF RECORD QUALIFICATIONS ........................................... Error! Bookmark not defined.

8. WORK SCHEDULE

9. WORK AREA ACCESS

10. SAFETY

11. PROTECTION OF GOVERNMENT PROPERTY

12. SITE MAINTENANCE AND CLEANUP

13. CLOSEOUT

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1. GENERAL REQUIREMENTS

1.1. Conduct all work in accordance with the specifications, all applicable codes, and the construction drawings and details. The Contractor shall comply with the Peterson SFB Design Guide, the Peterson SFB Installation Facilities Standards (IFS), and UFC 1 200-

01. The Contractor shall follow all Green Procurement mandates and submittal requirements. The government requires the use of recycled and recovered materials, bio-based products, energy, and water saving products, and environmentally preferable products.

1.2. Dispose of all waste generated by this project according to all applicable regulations.

1.3. The Contractor is responsible to verify site conditions, measurements, quantities, and materials needed to complete this project prior to submitting a proposal.

1.4. See the submittal schedule for required submittals. Other submittals required per specifications may apply.

1.5. This is not a Design/Build (D/B) project.

1.6. All work, equipment, and materials required for this contract shall be staged in an area coordinated with the Base Civil Engineer (BCE) personnel or Government designated representative (i.e., Contracting Officer, Project Manager, Construction Manager). This staging area will not interfere with building operations or access to Peterson Space Force Base (PSFB). Staging area will be cordoned off appropriately per applicable safety requirements.

1.7. The project shall conform to all applicable Federal, State, and local laws, regulations and base-specific standards and applicable Unified Facilities Criteria (UFC). Where there is a conflict between the referenced standards, the most stringent shall take precedence.

1.8. All work accomplished by the Contractor shall comply with the contract criteria unless a waiver is obtained from the Air Force when conditions warrant such consideration. All construction work shall be subject to stoppages and delays due to critical PSFB mission requirements.

1.9. All work shall be coordinated with Base Civil Engineering (BCE) personnel, namely the assigned Construction Manager and/or Project Manager, via the Contracting Officer.

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2. PROJECT SCOPE

2.1. GENERAL SCOPE

2.1.1. Project is to refurbish air handling units (AHUs) at Building 1470. To accomplish this several components will need to be repaired/replaced in the AHUs on floors 1 through 4. Work schedule shall be clearly delineated in a Gantt chart schedule with the dates submitted to the Government for review and approval.

2.2. ELECTRICAL

2.2.1. Replace existing light fixtures in all mechanical rooms with LED fixtures, provide equipment specifications prior to ordering for 21 CE approval.

Comply with PSFB Design Guide specifications.

2.2.2. Interior Electrical installation shall comply with the National Electrical Code (NEC), UFC 3-5001-01, UFC 3-520-01, UFGS 26-05-19.00, UFGS 26 20 00, and PSFB Design Guide.

2.3. HVAC

2.3.1. Contractor shall verify location, mechanical state and assess current functionality of supply and return fan assemblies, and additional components and devices related to the repair of these units prior to starting its repair/replacement.

Contractor shall verify and confirm the model numbers and serial numbers as they are difficult to read. Freeze stats shall be installed in all units and tested for appropriate operation.

2.3.1.1. First floor, North AHU

2.3.1.1.1. Existing Unit: Carrier, m/n 39CA1002UA12----, s/n 740300301??

2.3.1.1.2. Contractor shall remove and replace all fan bearings on the unit as well as the fan assembly unit. There should be no vibration, and a static air pressure test shall be conducted to ensure manufacturer’s specification CFM are being produced at supply air trunk.

2.3.1.1.3. The supply fan bearings closest to the wall, in the back of the unit will need to be replaced as well. The shaft support needs to be redone/corrected to avoid vibration as much as possible.

2.3.1.1.4. Existing Unit: Champion, size 300 CENT, s/n: L 74052-8, class 1.

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2.3.1.1.5. The return fan assembly has failed, making the squirrel cage fan in it rotate out of its axle. To be fixed the fan assembly and motor will need to be replaced, ensuring the shaft and rotation are tested to ensure proper balance/rotation.

2.3.1.1.6. Replace existing heating water coil, size for 231,000 BTU/H.

2.3.1.1.7. Replace existing chilled water coil, size for 236,000 BTU/H.

2.3.1.1.8. Contractor shall startup system to ensure existing AHU with VFD and controls work with new fan assembly, heating, and cooling coils.

2.3.1.1.9. Contractor shall test and balance the airflow to verify flows match original design.

2.3.1.2. Second floor, North AHU

2.3.1.2.1. Existing Unit (supply): Carrier, m/n 39CA1002UA12----, s/n 740300309.

2.3.1.2.2. Supply fan shaft is loose, bearings are failing. Fan assembly will need to be replaced. Once new parts are installed, proper operation test shall be conducted. There should be no vibration, and a static air pressure test shall be conducted to ensure manufacturer’s specification CFM are being produced at supply air trunk.

2.3.1.2.3. Existing Unit (return): Champion, size 270 CENT, s/n: L 74052-7, class 1.

2.3.1.2.4. Replace whole fan assembly including shaft with original manufacturer size shaft and install new supports to eliminate vibration of the shaft.

2.3.1.3. Third floor, North AHU

2.3.1.3.1. Existing Unit (supply): Carrier, m/n 39CA1002UA12----, s/n 74030091.

2.3.1.3.2. Supply fan is failing, fails to operate due to excessive vibration. Fan assembly will need to be replaced. Once new parts are installed, proper operation test shall be conducted. There shall be no vibration, and a static air pressure test shall be conducted to ensure manufacturer’s specification CFM are being produced at supply air trunk.

2.3.1.3.3. Existing Unit (return): Champion, size 330 CENT, s/n: L 74052-6, class 1.

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2.3.1.3.4. Replace whole fan assembly including shaft with original manufacturer size shaft and install new supports to eliminate vibration of the shaft.

2.3.1.4. Fourth floor, North AHU

2.3.1.4.1. Existing Unit (supply): Carrier, m/n 39CA1002UA12----, s/n 740300917.

2.3.1.4.2. Contractor shall remove and replace all fan bearings on the unit as well as the fan assembly unit. There shall be no vibration, and a static air pressure test shall be conducted to ensure manufacturer’s specification CFM are being produced at supply air trunk.

2.3.1.4.3. Replace heating coil, size for 374,000 BTU/h.

2.3.1.4.4. Replace cooling coil, size for 384,000 BTU/h.

2.3.1.4.5. Following the replacement of the coils, before filling it with water, the contractor shall conduct a leak test in accordance with the following specifications:

2.3.1.4.5.1. The system shall be pressurized for a period of not less than 60 minutes to not less than the lower of the design pressures or the setting of the pressure relief device(s). The design pressures for testing shall be the pressure listed on the label nameplate of the condensing unit, compressor, compressor unit, pressure vessel or other system component with a nameplate. Additional test gas shall not be added to the system after the start of the pressure test. The system shall not show loss of pressure on the test pressure measuring device during the pressure test.

2.3.1.4.5.2. A vacuum of 500 microns shall be achieved. After achieving a vacuum, the system shall be isolated from the vacuum pump. The system pressure shall not rise above 1,500 microns for a period of not less than 10 minutes.

2.3.1.4.6. Contractor shall make sure that the loop remains free of air bubbles when filling the coil with water.

2.3.1.4.7. Contractor shall test and balance the airflow to match original design airflow to conditioned areas.

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2.3.1.4.8. Existing Unit (return): Champion, size 270 CENT, s/n: L 74052-9, class 1.

2.3.1.4.9. Replace fan shaft with original manufacturer size shaft and install new supports to mitigate vibration of the shaft.

3. FIRE PROTECTION

3.1.1. Fire protection must comply with the requirements of the latest edition of UFC 3- 600-01. Fire protection systems include but are not limited to, wet/dry pipe sprinkler systems, visual and audio alarms, enunciators, and control panels shall be designed by a United States registered fire protection engineer. Submit qualifications of the Fire Protection Engineer at start of contract.

4. UTILITY OUTAGES

4.1. Any required outages (i.e., electrical, HVAC, utilities, fire alarm, fire suppression, etc.)

shall be formally requested through Customer Service. Fire alarm outages should be requested 3 days ahead, while all other outages shall be requested 14 days in advance.

5. WORK CLEARANCE

5.1. Contractor shall submit a work clearance request, AF 103 for digging beyond 6 inches through Customer Service. This request can take approximately 14 days to process.

6. HOT WORK PERMIT

6.1. Hot work shall be coordinated a minimum of 7 days in advance with the Fire Department Prevention Office, contact at 719-556-6574.

7. ENVIRONMENTAL AND HAZARDOUS MATERIAL HANDLING

7.1. The Contractor shall provide submittal of materials used in the performance of this contract. If any materials used in the performance of this contract are considered hazardous; the Contractor shall follow all local, state, and federal laws for proper management or transport of said hazardous waste. All potentially hazardous materials/toxics found or identified at PSFB while executing this work will immediately be reported to 21_CES_CEIE.DISTRO@us.af.mil or David Wooten in 21 CES Environmental Section at 719-556-8412.

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7.2. Ensure employees handle any hazardous materials according to federal, state, or local laws and emergency response requirements. If required, a license for employees handling of hazardous materials shall be the Contractor’s responsibility and at their expense. Report any instances of spills, leaks, and/or inadvertent release of hazardous materials to 21_CES_CEIE.DISTRO@us.af.mil or Sandra Ingrassia at 719-556-1478 and Environmental Section as soon as the event occurs.

7.3. The Contractor will submit an AF Form 3952, Chemical/Hazardous Material Request Authorization, for all materials used on PSFB. The Contractor shall have the form submitted back to 21 CES at least 10 business days prior to the start of work.

7.4. Contractor shall follow all green procurement mandates and submittals requirements.

The Government requires the use of recycled and recovered materials, bio-based products, energy and water saving products, and environmentally preferable products.

Any use of electronic products should meet EPEAT (Electronic Product Environmental Assessment) standards.

7.5. The Contractor shall contact 21st CES prior to generating any waste that is determined to be hazardous per the SDS. The Contractor is encouraged to contact 21_CES_CEIE.DISTRO@us.af.mil or Sandra Ingrassia at 719-556-1478 and Environmental Section if assistance is needed in making a waste determination.

7.6. The Contractor shall submit copies of any records showing quantities of disposed hazardous materials and/or recycled materials to 21st CES within 5 business days of disposal.

7.7. Before any work begins, the contractor shall test for suspected lead and asbestos. The contractor shall avoid disturbing any asbestos unless necessary to complete work. If determined as necessary, contractor shall properly abate and or dispose of all lead and asbestos in the work area. The contractor shall retest the area after abatement is completed. All test results shall be provided by the contractor to the Government.

7.8. The Contractor shall comply with 5 CCR 1001-26 when sourcing any materials that produce gas emissions or contain any type of refrigerant as imposed by the Air Quality Control Commission in the state of Colorado.

mailto:CES_CEIE.DISTRO@us.af.mil mailto:CES_CEIE.DISTRO@us.af.mil

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8. WORK SCHEDULE

8.1. The Contractor shall perform services required under this Statement of Work (SOW) during the hours of 0730 through 1600 Monday through Friday. Requests to work beyond or and/or outside of these hours shall be submitted to Contracting Officer for approval. The contractor will not be able to work on federally recognized holidays or special events. If there is a special event that comes up during the hours of 0800 thru 1630, the contractor will be notified as soon as possible but the contractor should be prepared to stop work on a short notice.

9. WORK AREA ACCESS

9.1. This worksite is located on PSFB within the restricted area and all contractors must have proper authorization. Upon acceptance of this contract, the contractor shall complete and submit a PSFB Visitor Request to 21st CES. All PSFB Visitor Request requests shall be submitted no later than 15 business days prior to the first day of work. The Contractor shall coordinate EAL processing with the Contracting Officer. Any contractor who fails to pass a background check will not be permitted to work on the installation. To access the restricted are in Building 1470, the contractor shall contact the Contracting Officer and request a clearance form.

10. SAFETY

10.1. All Contractor operations shall be conducted and performed in accordance with Department of Labor, OSHA requirements found in 29 CFR 1910 (1910.146 and 1910.147) and 29 CFR 1926, and Air Force Occupational Safety & Health (AFOSH) AFOSH standards including 91-205. The Contractor shall also ensure that all work is performed in accordance with project identified national standards, military manuals, instructions, pamphlets, standards, and handbooks.

11. PROTECTION OF GOVERNMENT PROPERTY

11.1. The Contractor shall use reasonable care to avoid damaging existing buildings, equipment, and vegetation 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. 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.

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12. SITE MAINTENANCE AND CLEANUP

12.1. The Contractor shall protect the work area, and if necessary adjacent areas, 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 passageways in/or adjacent to the site shall always remain free of project generated trash and debris.

12.2. For project to be accepted the contractor shall collect all trash, debris, refuse, garbage, etc., that is generated from this project and place it in appropriate containers with lids or approved covers on a periodic basis or as directed. The materials shall be hauled from the site by appropriate means on a daily basis, unless otherwise approved. Disposal shall be outside the limits of government property. Disposal shall be by approved methods and shall conform to all local, state, and federal guidelines, 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 21st CES.

13. CLOSEOUT

13.1. Submit complete wiring and schematic diagrams and any other details required to demonstrate that the system has been coordinated and will properly function as a unit.

13.2. Submit all equipment specifications including wiring sizes and electrical information prior to ordering any parts or equipment.

13.3. Contractor shall provide As-built drawings in latest version of AutoCAD.

13.4. Contractor shall provide Operations and Maintenance (O&M) Manuals (1 paper and 1 electronic copy) for equipment installed.

13.5. Contractor shall provide DD 1354, Real Property Transfer to identify real property installed or demolished.

END OF STATEMENT OF WORK