NWWW40002100060 SOW.pdf

SCOPE OF WORK

HVAC Preventative Maintenance for

Weather Forecast Office Guam

NW-WW4000-21-00060

BACKGROUND

National Weather Service Pacific Region Headquarters (NWS PRH) is seeking a contractor to provide monthly and quarterly air conditioning equipment maintenance for Weather Forecast Office Guam (WFO Guam).

Their preventative maintenance is essential in ensuring the NWS PRH HVAC equipment is functioning properly in support of the operations and mission critical functions.

JOB DESCRIPTION

Provide monthly and quarterly preventive maintenance service and emergency repair service on the following air conditioning units listed below.

LOCATION OF EQUIPMENT

Weather Forecast Office Guam 3232 Hueneme Road Barrigada, GU 96913

DESCRIPTION OF EQUIPMENT

2 Ea. Data Aire Inc Package Air Conditioner System – PAC (Server room):

Model: DAAD-1032, JIN: 36555

SIN: 2012-3303-A PAC-1

SIN: 2012-3304-A PAC-2

2 Ea. Data Aire Inc Air Compressor (Outside):

Model: DARC-1132, JIN: 36555

SIN: 2012-3306-A ACCU-1

SIN: 2012-3305-A ACCU-2

3 Ea. Trane System Air Handler Unit (Mechanical room):

JIN: 60J737x/A

SIN: K16L90470 AHU-1

SIN: K16L90477 AHU-2

SIN: K16L90484 AHU-3

3 Ea. Trane System Air Compressor (Outside):

Model: TTA090G300AA

SIN: 16412XFPYA ACCU-1

SIN: 16412XFLYA ACCU-2

Model: TTA150H300AA

SIN: 16354LNXYA ACCU-3

DESCRIPTION OF SERVICES:

MONTHLY PREVENTIVE MAINTENANCE SERVICE TO INCLUDE:

a. Monthly report identifying and reporting each of the inspection points below.

b. Inspect, clean, or replace filters. (Replacement filters for this site will be provided by the government)

c. Oil and check damper.

d. Check oil level.

e. Check for visual refrigerant leaks, pipe corrosion, potential leaks. etc.

f. Clean condenser drip pan, strainer and drain. Blowout any buildup.

g. Suction pressure.(notify if out of range)

h. Grease and oil bearings.

i. Check and indicate Low side cutout.(notify if out of range)

j. Check expansion valve operation.

k. Tighten belts. Indicate if belts are worn and in need of replacement.

l. Check refrigerant Charge.(notify if out of range)

m. Check and indicate Head pressure.(notify if out of range)

m. Check control operation.

n. Check and indicate High side cutout. (notify if out of range)

o. Address, investigate and reset/correct any DDC control alarms or faults as needed. Provide cost estimate for repair as needed to bring the DDC up to operation.

QUARTERLY PREVENTIVE MAINTENANCE SERVICE SHALL INCLUDE, BUT NOT BE LIMITED TO:

a. Quarterly report identifying quarterly maintenance completed and any DDC software updates provided or concerns for upgrades.

b. Turn off Air handling unit, Spray condenser coils with non-corrosive anti-bacterial solution that is compatible for cleaning coils, spray water from the backside of coils to loosen debris, and dirt. Water will be provided on site for washdown. Contractor to provide (2) 50’ hoses with on/off spray nozzles, to control water usage and to reach each unit from the nearest hose bibb.

c. Wipe and clean any patina corrosion on refrigerant piping leading into and out of compressor, drier, along refrigerant lines, and anywhere on the coil, etc. (at joints and welds). Use dye solution for sniffing refrigerant leaks.

d. Update DDC software with any current updates as required to ensure controllers are operating at its optimum level.

e. Notify COR of any DDC control concerns or repairs in a written report explaining the operational functionality of the DDC system.

SEMI ANNUAL AND ANNUAL PREVENTATIVE MAINTENANCE SHALL INCLUDE:

a. Annual and Semi-annual report.

b. Test all VAV units to ensure all VAV’s operate to the full minimum and maximum settings.

Provide report on each VAV and its operation, record CFM’s and provide recommendations and cost estimate for repair.

c. Provide recommendations for software upgrades and costs.

SERVICES:

a. Shall be provided on a strict timely basis, ie. monthly and quarterly, semi-annual and annual.

b. Maintain routine replacement parts (belts, oil, refrigerant, etc.)

c. Dispose of all waste oil, refrigerant, and filters in compliance with all Federal and State laws and regulations.

d. Discuss and investigate potential issues/complaints/concerns regarding the air conditioning performance with the occupants, WFO ESA and the NWS Facilities Engineer.

e. Provide emergency service, as required, between scheduled inspections. Emergency response time shall be within 4 hours of notification.

WRITTEN REPORTS:

a. Provide inspection reports after each inspection and include recommendations of necessary repairs and maintenance procedures.

b. Provide written records of all waste disposal to National Weather Service (NWS) Facilities Engineering Branch.

c. Material Safety Data Sheets will be the responsibility of the contractor to provide to NWS for all materials and supplies supplied by the contractor, and shall be approved by NWS Facilities Engineer prior to application.

MAJOR REPAIRS:

Upon discovery of any major repairs required while performing routine maintenance and inspection work, the contractor's representative/technician shall make a report to the site manager or his representative. Contractor will submit a written quote for consideration prior to performing any work. Written quotes will be submitted to National Weather Service Pacific Region Headquarters, Facilities Engineering Chief, 1845 Wasp Boulevard, Bldg. 176 Honolulu, HI 96818. Additional work will be authorized by written notification from the Contracting Officer.

PERIOD OF PERFORMANCE:

Base year: April 5, 2021 – April 4, 2022 Option Period I: April 5, 2022 – April 4, 2023 Option Period II: April 5, 2023 – April 4, 2024 Option Period III: April 5, 2024 – April 4, 2025 Option Period IV: April 5, 2025 – April 4, 2026