HVAC Performance Work Statement 7 May 2024.docx

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Scott AFB HVAC Preventative Maintenance
Solicitation number
FA440724QTW05
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This document is a Performance Work Statement (PWS) for HVAC preventative maintenance, repair, and inspection services at Scott Air Force Base. The key details are:

The PWS covers maintenance and services for various HVAC equipment including boilers, cooling towers, chillers, pumps, and air handling units. The contractor will perform quarterly inspections and preventative maintenance, as well as scheduled repairs and emergency services as needed. Annual maintenance fees will be invoiced quarterly after each inspection. The PWS also specifies required contractor response times for emergency service calls.

The related federal contract opportunity is a pre-solicitation to identify potential sources for these HVAC services. The North American Industry Classification System (NAICS) code is 238220 (Plumbing, Heating, and Air-Conditioning Contractors) with a $19 million size standard. The Product Service Code is J041 (Maint/Repair/Rebuild of Equipment-Refrigeration, Air Conditioning, and Air Circulating Equipment). The solicitation is being issued by the Department of the Air Force, Air Mobility Command.

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HVAC PERFORMANCE WORK STATEMENT

THE FOLLOWING EQUIPMENT WILL BE COVERED FOR MAINTENANCE BY THE CONTRACTOR:

· 4- Mod Con boilers for H.P loop

· 2-Cooling tower pumps

· 1-BAC cooling tower

· 2-Condenser pumps

· 4-Chilled water pumps

· 4-Domestic hot water heaters

· 1-Multi stack chiller

· 1-Trane rooftop

· 1-Innovent Air handler (see attachment 1)

THE FOLLOWING SERVICES WILL BE PERFORMED BY THE CONTRACTOR FOR LISTED EQUIPMENT:

1. Contractor will service packaged rooftop units quarterly to include:

· Clean the condenser coil annually

· Check the refrigerant charge

· Lubricate motors and bearing as recommended by the manufacturer

· Check belts for excessive wear and fatigue, adjust tension, replace annually, customer supplied.

· Visually inspect electrical components

· Check major electrical connections, tighten as required

· Record volt/amps of major electrical components

· Check crankcase heater

2. Contractor will service boilers to include:

· Inspect and clean the waterside as needed

· Inspect economizers, deaerators, blow down tanks, and condensate receivers as needed

· Check the refractory as needed

· Burner inspection

· Inspect controls for proper operation

· Check the fluid levels on hydraulic valves and repair any signs of leakage

· Check filters and clean or replace them as needed

· Check boiler feedwater and recirculation pumps

· Empty and wash out condensate receivers and make an internal inspection

· Check electrical connections on starters and relays for tightness

· Inspect and clean the fireside as needed

· Recommended PM kits will be invoiced separately if needed

3. Contractor will service chillers to include:

· Clean condenser tube bundles annually

· Tighten main starter and control panel connections

· Check all safeties

· Check operating controls

· Log all operating conditions after unit stabilizes

4. Contractor will service cooling towers to include:

· Lubricate fan and motor bearings as per Manufacturer’s recommendation

· Change V-belts customer supplied

· Check motor pulley and motor mounts; adjust as required

· Inspect electrical connections, contactors, relays and operating/safety controls

· Check motor operating conditions

· Clean float valve assembly and check for proper operation

5. Contractor will service pump skids to include:

· Lubricate pump bearings quarterly

· Lubricate motor bearings quarterly

· Check motor mounts and vibration pads

· Visually check pump alignment and coupling condition

· Check motor operating conditions

· Inspect electrical connections and contactors

· Inspect mechanical seals

· Check suction and discharge pressure

· Check packing or mechanical seal for leaks

6. Contractor will service the gas-fired water heater to include:

· Flush and clean two (2) times per year water only flush

· Lubricate the fan motor as recommended

· Check and test the pilot, ignition and safety controls

7. Contractor will service air handling units to include:

· Lubricate motors and bearing as recommended by the manufacturer

· Visually inspect electrical components

· Check major electrical connections, tighten as required

· Record volt/amps of major electrical components

8. Additional Work In Scope:

· Scheduled Repairs - Deficiencies discovered during inspections, and not covered by the annual maintenance fee will be corrected on a time and material basis. All cost associated with any deficiencies will be discussed with the customer and contractor is required to obtain prior approval before any work is performed.

· Emergency Service – Contractor will be available twenty-four (24) hours a day, seven (7) days a week. Contractor will respond to a call for emergency service from any individual authorized to act on the customer's behalf. The contractor shall respond within two (2) hours during normal duty hours and non-duty hours. All cost associated with any emergency service will be discussed with the authorized positions listed below and the contractor is required to obtain prior approval before any work is performed.

· Lodging Manager Comment by KLEISER, ANDREW N GS-12 USAF AMC 375 CONS/PKA: Please add Contracting Officer

· Assistant Lodging Manager

· Operations Manager

· Maintenance Supervisor

· Maintenance Worker

· Contracting Officer

9. Service Intervals and Payment Schedules:

· Contractor will perform four (4) inspections annually; one (1) inspection each quarter. A written report will be submitted to customer following each inspection. The report will detail the work performed during the inspection and identify areas of concern, together with recommendations for repairs.

· Annual maintenance fee will be invoiced in four (4) installments at time of inspection. Comment by KLEISER, ANDREW N GS-12 USAF AMC 375 CONS/PKA: Recommend adding a section titled “Additional Work In Scope” then including 1.Scheduled Repairs and 2.Emergency Services. We will have a CLIN title “Additional Work In Scope” that we will use to make modifications for scheduled repairs and emergency work.

Attachment 1 image1.jpg

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