Chiller Maintenance RFI 2 April 2025.pdf

Classification

Original Set Aside: Total Small Business Set Aside Product Service Code: J041 – Maint/Repair/Rebuild of Equipment – Refrigeration, Air Conditioning and Air Circulating Equipment

NAICS Code: 238220 – Plumbing, Heating and Air-Conditioning Contractors Place of Performance: Hanscom Air Force Base Bedford, MA 01731 USA

Synopsis:

Through this RFI, the Aerospace Management Division, HBA and AFLCMC/PZI, is seeking information from interested contractors certified factory chiller mechanics to perform maintenance and verify proper chiller and purge unit operation through preventive maintenance (PM) services to maintain two (2) water cooled centrifugal chillers three (3) air cooled chillers and one (1) Mitsubishi VRF in accordance with (IAW) manufacturer’s maintenance instructions, specifications. The contractor shall use only Original Equipment Manufacturer (OEM) parts. Refrigerant alarms are present at some chiller locations and must be safeguarded off during the work. EPA refrigeration handling guidelines are to be enforced. Weather and time are of the essence and service work dates may be changed to enhance chiller load operation as necessary at the discretion of the Government. This work shall include moving and rigging of materials on the job site for normal recommended maintenance, performance of this contract, testing, and cleanup.

Technical Description:

The objective of this RFI is to solicit Letters of Interest (LOI) from potential contractors that can complete the following:

Requirements The contractor shall provide all labor, equipment, material and supervision required to accomplish maintenance as stated in the Performance Work Statement (PWS). The contractor shall provide a complete report summary maintenance to within two weeks of each chiller complete date. The report summary shall be typed on company letterhead with company phone number and company address containing field recorded data and observations and summary of all data. Reports shall contain all gleaned PM information, building number, date, make, model and serial number, recorded data, visual, audial and photographic observations with a summary of findings, actions taken and recommendations with costs for each recommendation and shall be submitted deliverable within the report for recommendations listed. The report shall be kept in a log binder with the original factory certified mechanic’s field log printed and signed by the PM mechanics and one copy of the report summary and mechanics field log on CD in PDF format delivered to the 66ABG/ CEOES.

Building 1201

Service Description Centrifugal Annual Inspection (Service 1) Centrifugal Operational Inspection (Service 2)

Equipment Qty Manufacturer Model Number Serial Number Centrifugal Chiller 1 Trane CVHF128NAP L96A00540 Centrifugal Chiller 1 Trane CVHF128NAR L96C02997

Service 1: Centrifugal Annual Inspection

Description

Coordinate Start Date with COR Perform Initial Site Inspection Review Diagnostics Review Purge Report Check Level and Temperature of Oil Perform Oil Analysis Per Circuit Lock Out Tag Out Units with Potentially High or Medium Voltage Starters Perform Purge Maintenance and Operation Purge Plus Expiration Date Check (High Performance) Perform Vane Linkage and Oil Valve Lubrication Change Centrifugal Oil Filter Open Starter Panel Door(s) and Inspect

Perform Centrifugal Compressor Starter Inspection Meg Compressor Motor Close Starter Panel Door(s) after Inspections Perform Control Panel Electrical Inspection on Centrifugal Check Control Panel Calibration Calibrate Low Temperature Sensor Drain Rupture Disc Vent Line Remove Lock Out Tag Out and Restore Power for Units with High or Medium Voltage

Starters Preform Pre-Start Chiller Check Start Chiller Install Controls firmware upgrade (if available) Provide Written Report to COR

Service 2: Centrifugal Operational Inspection

Description

Coordinate Start Date with COR Perform Initial Site Inspection Review Diagnostics Review Purge Report Review Oil Level and Temperature Manual Log with Electronic Device Provide Written Report to COR

Building 1607 Service Description RTAC Annual Inspection with AFD Option (Service 1) RTAC Operational Inspection (Service 2)

Equipment Qty Manufacturer Model Number Serial Number Air-Cooled Series R(TM) - Brazil

1 Trane RTAC2504U1 U21G01731

Air-Cooled Series R(TM) - Brazil

1 Trane RTAC2504U1 U21G01732

Service 1: RTAC Annual Inspection with AFD Option

Description

Coordinate Start Date with COR Perform Initial Site Inspection Review Diagnostics Lock Out Tag Out at Main Disconnect Perform Electrical Inspection (RTA*) Perform AFD Visual Inspection - Power Removed Check Flow/Differential Mechanical Switch Remove Lock Out Tag Out at Main Disconnect Perform AFD Operational Inspection - Power Applied Check Condenser Fans RTA* Per Circuit Check Oil Return Operation Per Circuit Check Oil Level Per Compressor Perform Oil Analysis Per Compressor Install Controls firmware upgrades (if available) Calibrate Low Temperature Sensor Check Control Panel Calibration Perform Leak Test Inspection (Positive Pressure) Start Unit Check Compressor (HeliRotor Compressors) Check Compressor and Oil Separator Heater Complete Required Paperwork Provide Written Report to COR

Service 2: RTAC Operational Inspection

Description

Coordinate Start Dates wit COR Perform Initial Site Inspection Review Diagnostics Check Condenser Fans RTA* Per Circuit Lock Out Tag Out (Standard) Perform Visual Electrical Inspection Install Controls firmware upgrades (if available) Remove Lock Out Tag Out Start Unit Complete Required Paperwork TechView/KestrelView Connection Run Service Report from TechView Techview/Kestrel View Disconnection Provide Written Report to COR

Building 1646 Service Description CGAM Annual Inspection (Service 1) CGAM Operational Inspection (Service 2)

Service Description Trane Mitsubishi VRF System Annual Maintenance (Service 3)

Equipment Qty Manufacture r

Model Number Serial Number

Air-Cooled Chiller, Scroll Compressors

1 Trane CGAM026A2P U16J575280

Equipment Qty Manufacture r

Model Number Serial Number

JV-Mitsubishi VRF Indoor Un

1 Trane TPLFYP048E 24M0004865TLA M

Service 1: CGAM Annual Inspection

Description

Coordinate Start Date With COR Check Visual Condenser Coil Lock Out Tag Out (Standard) Perform Electrical Inspection Perform Meg Compressor Motor(s) Check Compressor Oil Level- Air-Cooled Scroll Perform Oil Analysis - Air-Cooled Scroll Perform Leak Test (High Pressure) Perform Strainer Maintenance - BPHE Units Inspect Piping - CGAM Clean Condenser Fan Blade TechView/KestrelView Connection Review Diagnostics Check Fans for Rubbing Check EXV Sight Glass Run Service Report from TechView Techview/Kestrel View Disconnection Clean and Repaint Provide Written Report to COR

Service 2: CGAM Operational Inspection Description

Customer Notification of Unit Maintenance Check Visual Condenser Coil Shut Down Unit Check Compressor Oil Level Air-Cooled Scroll Return Unit to Normal Operation TechView/KestrelView Connection Review Diagnostics Check Fans for Rubbing Check EXV Sight Glass Run Service Report from TechView Techview/Kestrel View Disconnection

Service 3: VRF Annual Maintenance Description

Customer Notification of Unit Maintenance Visual Condenser Coil Check VRF Maint Controller Inspection

Review Alarm Log Plug in with service software tool Install firmware upgrades (if available)

Interested parties should submit a Letter of Interest detailing how their organization would meet the requirements listed above. Please provide a point of contact for your organization as well as the name of a person (if different) with authority to enter into agreements with outside parties. The deadline for submittal is 7 April 2025 by 3:00pm EST.

Special Note: This is not a request for proposal (RFP), applications, proposal abstracts, or quotations, nor does its issuance obligate or restrict the Government to an acquisition approach. The Government does not intend to award a contract based on any responses or pay for the preparation or use of any information submitted. All information received will be used for planning and market research purposes only. Any proprietary information submitted should be marked accordingly. The Government will not be liable, or suffer any consequential damages, for any proprietary information not properly identified.

Proprietary information will be safeguarded in accordance with the applicable Government regulations.

Points of Contact: Please address any comments/questions regarding this request for information to Ms.

Kristin Morrison AFLCMC/PZI, at kristin.morrison.1@us.af.mil and Mr. Ryan Wang AFLCMC/PZI, at ryan.wang.1@us.af.mil