19AU9024Q0019_SOW_Chiller Services.docx
DOCX document 59 KB Posted
- Attached to
- Air Cooled Chiller Service
- Solicitation number
- 19AU9024Q0019
- Issued by
-
Department of State
About this file
This document is a Statement of Work (SOW) for preventive maintenance services for the MagLev air-cooled chiller systems at the United States Embassy in Vienna, Austria. The SOW outlines the required equipment, the scope of work, and the minimum tasks to be performed on an annual basis. The key requirements include checking chiller controls and communications, inspecting the physical condition of the compressors, checking for leaks, cleaning the condensing unit, pressure washing the coil, checking and cleaning various components, and performing operational testing. The related federal contract opportunity is Solicitation Number 19AU9024Q0019 for "Air Cooled Chiller Service" issued by the Department of State. The work is to be performed on the PCC/CAA areas of the embassy building. No other details about the contract opportunity, such as pricing, award dates, or set-asides, are provided in the given information.
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Other files
| File | Type | Posted |
|---|---|---|
| 19AU9024Q0019_Solicitation_Air Chiller Services.docx | DOCX document | |
| 19AU9024Q0019_SF1449_Chiller_Services.docx | DOCX document | |
| 19AU9024Q0019_Cover Letter_Chiller_Services.pdf |
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Text version
Exhibit A - - STATEMENT OF WORK
I. GENERAL INFORMATION:
The United States Embassy in Vienna requires professional services and contractor cost proposals to perform preventive maintenance services of the facility’s MagLev- Air cooled Chiller systems.
II. PROJECT REQUIREMENTS:
| DESCRIPTION OF EQUIPMENT *: | |
| *Please see attachment at the end of this sheet for more details |
III. GENERAL REQUIREMENTS:
The Contractor under this SOW will be responsible for labor, tools, and materials required to carry out all preventive maintenance as outlined in this SOW. Embassy staff has service manuals for all
IV. SCOPE OF WORK - - CHILLER PREVENTIVE MAINTENANCE
Contractor shall provide all materials, supervision, labor, tools and equipment to perform preventive maintenance. All personnel working in the vicinity shall wear and /or use safety protection while all work is performed. Any questions or injuries shall be brought to the attention of the Post Occupation Safety and Health Officer (POSHO). Material Safety Data Sheets (MSDS) shall be provided by the Contractor for all HAZMAT materials. Copies will be provided to the COR for approval.
If any discrepancies are found with the generator system that are not covered under this scope of work then the contractor must provide the following:
1. Detailed report noting the discrepancy found.
2. Bill of Materials (BOM) to include component name, quantity, part #, and price for any repair material required and material lead time.
3. Price quote for repair labor.
According to the manufacturer maintenance requirements, the valid regulations- particular VDMA 24186- 3 and the checklist below the bidder delivers with the quote a detail maintenance instruction (task and schedule).
At a minimum, the following work must be done:
Annual Schedule
1. Check chiller controls communications module to the overall embassy building HVAC automated controls for functionality. Replace, -- or install controls communications parts as needed--. Copies of any and all software and licenses needed to control or to adjust the communications module shall be given to the post.
2. Check physical condition of compressor
3. Check for excessive vibration from other rotating equipment
4. Check compressor superheat on evaporator and economizer TXVs (thermal expansion valves). Adjust as required.
5. Check condenser and economizer sub-cooling. Adjust as required.
6. Check the chiller for leaks. Submit work order to find and repair leaks.
7. Test tubes for leakage.
8. Clean compressor tubes.
9. Contractor shall supply all materials.
10. Calibrate chiller control system, load limiting system, and safety controls.
11. Clean the condensing unit. Remove debris from air screen and clean underneath unit. Clear drain line and pan from sludge or debris. Note any signs of corrosion.
12. Inspect system for signs of corrosion. Remove corrosion, prime with corrosion inhibitor, paint to match original condition. Carefully inspect all fasteners to ensure integrity and replace any which have corroded. All replacement components, parts, and materials should be of corrosion resistant manufacture.
13. Pressure wash coil with coil cleaning solution. Straighten fin tubes with fin comb.
14. Check and clean fan motors, pumps, sensors and solenoids.
15. Clean strainers.
16. Check all refrigerant and replenish as necessary. Contractor shall supply all materials.
17. Cycle all valves at least two times.
18. Check controller for proper operation. Check all electrical connections for tightness. Re-amp as necessary.
19. Check amperages during operation are as per design.
20. Replacement of DC capacitors (recommended timeframe 5-10 years)
21. Inspect condition of electrical contacts on motor starters and controls. Check electrical connections for tightness.
22. Check free cooling modules (hardware and operation)
23. Check adiabatic system functionality
24. Check operation of all system safety devices and interlocks
25. Perform operational test and return to service.
26. Update maintenance Log book
Page | 2 Facility Management/FAC June 2024
Equipment List:
END OF STATEMENT OF WORK
image1.emf
Microsoft_Excel_Worksheet.xlsx Sheet1
Equipment Manufacturer Make Model Specifications Location
MagLev air cooled Multistack 250kW (cooling capacity) Chancery- low roof packaged chiller Module #1
MagLev air cooled Multistack 250kW (cooling capacity) Chancery- low roof packaged chiller Module #2
FlexSys Lite Controls Multistack Chancery- low roof
Free cool module 1&2 Multistack Chancery- low roof
Air cooled PCC chillers Module#1-3 Airstack WTF020A-V 3x70kW(cooling capacity) Chancery- low roof incl. pump control Airstack WTF07 SP Chancery- low roof
Sheet2
Sheet3
File details come from the government source that posted it. Updated .