SOW COMPRESSOR REPAIR B20.docx

UNITED STATES COAST GUARD

BASE LOS ANGELES LONG BEACH

1001 South Seaside Ave.

SAN PEDRO, CALIFORNIA 90731

Scope of Work

FOR

Chiller #2 Repair

Base LALB Bldg. 20

Dated: 6/12/2026

TBD

Contracting Officer (KO)

Ruijin Garcia (Eng Tech) Contracting Officers Representative (COR)

Harrison Stanley, LT

BASE FACILITY ENGINEER

GENERAL REQUIREMENTS

PART 1 GENERAL:

1.01 SCOPE OF WORK: Provide all labor, materials, and equipment necessary to replace two compressor for building 20. #2 Dunham-Bush (Model# ACDS040ARGS) (Serial# 2B82000007) chiller. Remove and install two (2) new compressors, one (1) thermal expansion valve, two (2) contactors, one (1) filter drier, three (3) Pumps and any associated equipment within the system. Repairs must be completed within industry standards using manufacturer’s instructions. For bid purposes, please provide a breakdown of price for labor and parts/materials. This is the lowest price/best value, technically acceptable for solicitation. The work includes, but is not limited to the following:

A. Contractor will supply parts and repair the chiller system for building 20, to include:

1) Lock out tag out system.

2) Recover 410a refrigerant.

3) Remove and dispose of existing compressors (1A and 1B) and filter drier.

4) Provide and install new compressors and filter drier.

5) Remove existing contactors and install new.

6) Provide and install two new Dunham-Bush Compressors (DSH140A4ALD).

7) Remove existing thermal expansion valve and install new.

8) Replace any damaged equipment associated with chiller #2.

9) Pressure test system to verify any leakage.

10) Pull a deep vacuum and verify hold.

11) Charge with up to 50 lbs. of virgin 410a.

12) Restore system power.

13) Remove the insulation box on the Pump Skid Serial No. 843637.

14) Replace two (2) WEG 5HP 00536ET3E184JM-W22 pumps.

15) Clean surfaces where existing seals were contacting pump.

16) Install (2) new Cast Iron Weg Motors with Armstrong seals.

17) Ensure new motors are properly aligned for correct operation.

18) Re-attach insulation.

19) Start chiller and test all operations. Check for abnormalities or leaks.

20) Supply one (1) WEG 5HP 00536ET3E3184JM-W22 pump as spare.

21) Test and verify operation. Start up, test, and operation of chiller after install of new parts are complete shall be witnessed by COR, Base Electrician and Base HVAC Tech.

22) The vendor shall provide a warranty on all products and or services furnished under this contract. The warranty shall cover defects in materials and workmanship for a minimum of one (1) year from the date of installation or acceptance, whichever is later.

1.02 LOCATION: Project sites are located at Building 20, US Coast Guard Base Los Angeles Long Beach, 1001 South Seaside Avenue, San Pedro, CA 90731. Contracting Officer (KO) for this project is Anthony Aviles. Contracting Officer’s Representative (COR) for this project is Ruijin Garcia.

1.03 SITE INVESTIGATION: Investigate the site per FAR 52.236-3 to ascertain the general and local conditions, which can affect the work or its cost. During the solicitation process the Contracting officer will post a one-time date and time for all potential bidders to walk the site, take measurement and photos. Vendors must be registered at System for Award Management (SAM.gov) prior to be awarded a government Purchase Order.

1.04 CONTRACTOR SECURITY REQUIREMENTS: For this Coast Guard facility, the Contractor shall provide a list of all on-site personnel, including sub-contractors and suppliers, to the Contracting Officers Representative (COR) 5 days prior to commencing work for clearance and background check. The contractor shall update this list whenever changes occur. Contractor personnel not listed will be denied access to the Coast Guard facility. Contractor personnel will be restricted to designated working areas must have photo identification at all times while working on Coast Guard facilities .Any personnel violating this policy will lose access to the Coast Guard facility.

Contractor personnel and delivery personnel shall be required to present personal photo identification to gain access to a Coast Guard installation Background checks will be conducted on all contractors and workers prior to gaining access to the facility. Types of identification required for access include California Real ID or valid passport with picture ID. If identification does not indicate United States citizenship, Coast Guard Security will require proof of the legal right to work in the United States (Permanent Resident Card). Contractor and delivery personnel may also be subjected to an immigration status and outstanding criminal warrants check.

Contractors shall provide the COR with 24 hours of advance notice of every delivery to the site (e.g., concrete, lumber, parts, etc.) and provide the company name, delivery person, and phone number of the firm(s) making deliveries. All vehicle access to government property requires vehicle registration and proof of liability insurance. Otherwise access to the Coast Guard facility may be denied.

1.05 CONTINUITY OF FACILITIES OPERATION: Schedule work to minimize interference with the facility’s normal operations. Notify the COR 3 business days in advance of any shutdowns. Contractor is required to coordinate Lock Out/Tag Out Processes and Procedures with the COR. Perform all on-site work between the hours of 7:00 AM and 3:30 PM, Monday through Friday (Federal Holidays excluded), unless otherwise approved by the COR or the Facility Engineer (FE).

1.06 NOTIFICATION OF START AND COMPLETION OF WORK: The Contractor shall notify the COR in writing (or email) five (5) business days in advance of the date they intend to commence work, and five (5) business days prior to the date that work will be ready for final inspection. All notifications must be approved by the COR, in writing, prior to commencing or completing work.

1.07 RECYCLING AND DISPOSAL OF REFUSE: Refuse, excess, or waste materials resulting from construction operations shall become the property of the Contractor and shall be recycled and/or disposed of off Government property. All disposals shall be done in accordance with federal, state, and local laws and regulations.

1.08 SAFETY: During the execution of this contract, the Contractor shall conform to the rules and regulations as set forth by OSHA Safety and Health Standards, 29 CFR Part 1926 - Safety and Health Regulations for Construction and California Code of Regulations, Title 8, Div. 1, Ch 4, Subchapter 4 Construction Safety Orders, and Army Corps of Engineers EM385-1-1. When the standards differ, the more restrictive standard shall apply. The contractor shall provide barriers, temporary fencing, ventilation, trench covers, etc. wherever work could cause injury to workers, visitors, Coast Guard personnel, or dependents. Return work site to original condition after completion of work by cleaning and removal of all construction material. An Accident Prevention/Safety Plan shall be submitted by the contractor prior to any commencement of work.

1.09 SUPPLIES AND SERVICES: All products must meet the requirements of the Buy American and Buy America Acts as amended in DFARS 225 and the FAR 25.103.

1.010 TEMPORARY FACILITIES:

A. STORAGE: The location for exterior stock piling or lay down area of materials will be available on base with location to be determined by COR and Facility Engineer depending on size. The Contractor shall be responsible for protecting materials stockpiled against weather, damage, theft, and other risks of loss. The Coast Guard assumes no responsibility for material or equipment left in the storage area.

B. SANITARY FACILITIES: Toilet facilities are available for use located in adjacent buildings.

C. WATER AND ELECTRICITY: Water and 120V electricity are available at no cost to the Contractor. Cost of these utility connections and disconnections shall be the responsibility of the Contractor. Personnel using extension cords to bring power from another location for construction, maintenance, remodeling, etc., shall employ portable ground fault circuit interrupters (GFCIs), even if connecting to building wiring. Use of portable generators and compressors is authorized at contractor expense to operate portable equipment.

1.011 All bids submitted shall include break down of cost for labor and materials.

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