Attachment 1 - PWS B457 PMEL coil replacment rev 1 Updated - 4-20-2026.pdf
PDF 109 KB Posted
- Attached to
- B457 Coil Repairs
- Solicitation number
- FA460026Q0033
About this file
This is a Performance Work Statement for AHU coil replacement services at Offutt Air Force Base, Building 457. The project (NexGen Work Task #17984068) requires the contractor to procure and replace cooling and heating water coils for an air handling unit serving PMEL spaces. The existing Daikin model CAH017GDCM unit contains two hot water coils (rated 211 MBH at 6690 cfm and 13.6 gpm) and two chilled water coils (rated 249 MBH at 6690 cfm and 59.4 gpm), both model 5WL1106B-024, part# 619153312, which have been damaged by freezing.
The contractor must visit the site to verify existing conditions, disconnect and reconnect chilled water (CW) and hot water (HW) piping and ancillary equipment, remove and replace coils with like-for-like units matching capacity and dimensions, re-insulate disconnected items, and conduct startup testing. Additional requirements include responsibility for all Lock-Out-Tag-Out procedures, provision of at least one-year warranty on labor and materials, cleanup and off-base disposal of all waste, compliance with OSHA and industry safety standards, and adherence to ISO 9001 quality management standards. The contractor must furnish all materials, labor, transportation, equipment, tools, and expertise. Work must conform to current State, AFI, ETL, NFPA, and Unified Facility Criteria Standards. The contractor must provide 15 calendar days' written advance notice to the Contracting Officer's Representatives of any utility service interruptions and must not restrict pedestrian or vehicular traffic during construction while government occupancy continues.
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Text version
Performance Work Statement
Project Title: B457 PMEL AHU Coil Replacements
NexGen Work Task #: 17984068
1. Objectives:
The Contractor shall procure and replace cooling and heating water coils for the AHU serving PMEL spaces in B457.
2. Conditions:
The existing coils are broken due to damage from freezing. The existing AHU is a Daikin model
CAH017GDCM (S/N FBOU210100282), with coils of model 5WL1106B-024, part# 619153312. The unit has 2 hot water coils (rated 211 MBH at 6690 cfm and 13.6 gpm) and two chilled water coils (rated
249 MBH at 6690 cfm and 59.4 gpm).
3. Project Requirements
• The Contractor shall visit site before starting any work to verify existing conditions space requirements in work areas.
• The Contractor shall disconnect the CW and HW piping and ancillary equipment as required for access from the AHU coil connection points and move it out of the way, ready to be reinstalled after coil replacement.
• The Contractor shall remove and replace the CW and HW coils with like-for-like coils (in terms of capacity, performance, and fit/dimensions).
• The Contractor shall reconnect the CW and HW piping and ancillary equipment. The Contractor shall re-insulate any item where insulation was removed for the work.
• The Contractor shall provide start up testing to prove satisfactory installation and capability of the new coils and piping connections.
• The Contractor shall be responsible for all Lock-Out-Tag-Out (LOTO) requirements. The
Government shall provide assistance with system operation to allow the work and testing.
• The Contractor shall provide at least a 1-year warranty on all labor and new materials.
• The Contractor shall clean up and dispose of all removed equipment and project waste from the replacements, as well as any trash generated from the work. Refuse shall be disposed of off-Base in accordance with Offutt AFB Environmental Special Conditions section 01 57 19.
4. Other General Requirements:
The contractor shall furnish all material, labor, transportation, equipment, tools, services, expertise, supervision, and incidentals required to fulfill the requirements of this contract. No alterations, additions, or deletions shall be made unless by prior approval of the government Project Manager and the government Procuring Contract Officer (PCO). The work shall conform to the most current applicable State, AFI, ETL, NFPA, and Unified Facility Criteria Standards. Work shall be completed in a neat, substantial, and competent manner. All personnel shall abide by all industry safety standards, such as OSHA, and the Contractor shall provide all required PPE. The contractor shall perform quality assurance activities that conform to the quality assurance processes outlined in International organization of Standards (ISO) 9001, Quality Management Systems. The Contractor shall use PWS requirements.
The Contractor shall coordinate with the Government for needed system operation to allow the work and subsequent testing on the pump. The Contractor shall provide their own lock-out-tag-outs as needed.
During construction the Government will occupy the existing facilities. The contractor shall not restrict nearby pedestrian or vehicular traffic and shall coordinate with the Contracting Officer’s
Representatives to facilitate usage. The Contracting Officer’s Representatives shall be notified not less than 15 calendar days in advance of any interruptions in building utilities / services, which will be described in writing.
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