3. SOW 2025.06.pdf
PDF 42 KB Posted
- Attached to
- WRSU Daikin Chiller Repair
- Solicitation number
- IHS1515355
About this file
This document is a Scope of Work (SOW) for Daikin Chiller Repairs at the Hopi Health Care Center, located on Highway 264 on the Hopi Reservation. The project involves comprehensive repair of an existing Daikin Chiller with multiple identified issues, including four leaks across two circuits. The detailed scope of work includes de-energizing the chiller, recovering refrigerant, replacing multiple components such as king valves, filter dryers, solenoid coils, relief valves, and valve caps, performing field repairs on the existing coil, and recharging the system with new R134a refrigerant.
The project's intent is to ensure the Daikin chiller is fully operational and can run in tandem with a new Tane chiller to support the health care center's cooling and conditioning needs. Work will be performed during normal business hours (8:00am to 5:00pm, Monday-Friday), with potential after-hours work assisted by facility staff. The contractor is required to provide all necessary tools, equipment, safety devices, labor, materials, and per diem, and must submit a report documenting repairs upon job completion. This is a 100% Buy Indian Set Aside solicitation under the Indian Health Service, with the solicitation number IHS1515355.
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Other files
| File | Type | Posted |
|---|---|---|
| 1. WRSU Chiller Repair Introduction IEE.pdf | ||
| 5. IEE Representation Form.pdf | ||
| 4. Wage Rates.pdf | ||
| 2. WRSU Chiller Repair Clauses and Provisions.pdf |
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Text version
Hopi Health Care Center
Daikin Chiller Repairs
Scope of Work
1. Project Location The project is located at the Hopi Health Care Center on Hwy 264, MP 388 on the Hopi Reservation. HHCC is undergoing renovation and expansion of Emergency Department, Out-Patient Department, Pharmacy and Chiller system upgrades. The existing small chiller was replaced with a new 303-ton chiller to run in tandem and in conjunction with the existing Daikin Chiller.
2. Scope of Work After a recent service visit from a third-party service company, the technician diagnosed the Daikin Chiller with several issues. Most notable, chiller circuits 1 and 2 was identified with four (4) leaks; circuit 1 has a leak on two valves, circuit 2 has a coil leak on the inside corner where the copper piping transitions into the aluminum coil, and a small leak on a schrader core/valve.
The Scope of Work shall include the following repairs:
• Isolate and de-energize the existing Daikin Chilled.
• Recover all remaining refrigerant from both circuits.
• Remove and replace the failed king valve and associated filter dryers.
• Remove and replace the filter drier shells.
• Remove and replace the valve solenoid coils
• Remove and replace the 200psi relief valves.
• Remove and replace the filter dryers and core.
• Remove and replace the valve angle charge/purge ports.
• Remove and replace the gasket felt kit.
• Remove and replace the refrigeration valve caps.
• Field repair the existing coil, including an ultrasonic test. Pressurize the system and perform a nitrogen test and check for leaks.
• Pressurize and change both circuits with new R134a Refrigerant.
• Perform a Nitrogen Test and check for leaks.
• Change both circuits back up, provide up to 4001bs of new R134a Refrigerant.
• Perform startup and monitor for proper operations.
3. Intent of Project To ensure the existing Daikin chiller is fully operational to support and run in tandem with the new Tane chiller to support the Hopi Health Care Center’s cooling and conditioning needs.
4. Deliverables Provide all necessary tools, equipment, safety devices, lifting devices, labor and materials, and per diem necessary to complete work.
Provide a report to document the repairs and invoice when job is completed.
5. Schedule
Provide anticipated materials, lead times and repair schedule.
All work shall be from 8:00am to 5:00pm normal business hours, M—F. and might need to work after hour with an assist with a Hopi Health Care Center Facility Staff.
File details come from the government source that posted it. Updated .