Attachment A Statement of Work Chiller Maintenance9-27-2022.docx

Statement of Work Wilkes Barre VAMC Chiller Equipment Maintenance and Repair Services

1.0 Introduction: The Wilkes Barre Veterans Administration Medical Center (WBVAMC) requires services to provide chiller, cooling tower and associated pump system maintenance and repair at its facility located at 1111 East End Boulevard, Wilkes Barre, PA 18711.

1.1 The goal of the WBVAMC is to obtain a maintenance program that will reduce and minimize equipment repairs and maintenance costs through preventative and predictive maintenance measures.

2.0 Period of Performance

2.1 This request is for the period of performance of one base year, plus 4 option years.

2.2 The contractor shall complete all the required winter maintenance or SS services between December 1st and March 31st.

3.0 General: The Wilkes Barre VA Medical Center VA Medical Center, Wilkes Barre, PA requires a service contract on (7) Chiller assemblies, (4) Cooling Towers and (8) associated pumps. The service consists of the following as outlined in this SOW:

3.1 Annual preventative maintenance and inspections

3.2 Semi-Annual preventative maintenance and inspections

3.3 Quarterly preventative maintenance and inspections

3.4 Monthly preventative maintenance and inspections

3.5 Weekly preventative maintenance and inspections

3.6 Emergency services as outlined in 4.2 below for CLINS 0005, 1005, 2005, 3005 and 4005.

3.7 Repair services as outlined in 4.3 below for CLINS 0006, 1006, 2006, 3006, 4006.

4.0 Specifics

4.1 Provide preventive maintenance including all parts, materials, tools, equipment, labor, travel supervision, rigging, testing and certification, administrative overhead, taxes, fees and all other costs and work required for performing services on the equipment listed in paragraph 8.0 and to accomplish all task items per paragraph 8.0, Attachment A and Attachment B. Emergency services and repairs (which are not considered preventative maintenance) are considered within the scope of this contract but will be covered under the repair and emergency CLINS and as outlined in paragraphs 4.2 and 4.3 of this document.

4.1.1 Preventative maintenance program (PMP)

4.1.1.1 The contractor shall maintain the equipment listed in paragraph 7.0 to provide reliable operation and optimum performance in accordance with the manufacture’s specifications and maintenance requirements.

4.1.1.2 The contractors PMP services shall be executed during scheduled intervals consistent with the operations of the WBVAMC, and equipment seasonal operation (see paragraph 8.0).

4.1.2.3 The contractor shall anticipate predictive maintenance needs (PDM) to prevent potential failures either before they occur or before they develop into major defects and or failure.

4.1.2.4 The PMP shall be developed by the contractor and submitted with the quote. This PMP will be approved prior to award and will be incorporated into this SOW as Attachment A

4.1.2.5 The contractor is responsible for developing a checklist for these requirements based on the manufacturer’s required routine maintenance on the equipment listed in paragraph 7.0 to include the minimum requirements in paragraph 8.0.

4.1.2.5.1 This checklist shall be submitted with the quote and, once approved shall become incorporated into the award as Attachment B (Note that some tasks and intervals may exceed the manufacturer’s recommendations but are required by the WBVAMC and must be adhered to).

4.2 These coverages shall include 24-hour emergency services between inspections, as required for the purpose of diagnosis of trouble, adjustment, minor repairs or resetting of controls. Emergency services shall not be paid using the regular maintenance CLIN but shall be paid using the Emergency Services CLINS.

4.2.1 Emergency services is defined as any corrective maintenance performed to restore equipment to full functional operation. Emergency services to include any work performed outside of normally scheduled maintenance and repair activities and the normal work schedule.

4.2.1.1 Should there be a need for disinfection of a tower because of an unscheduled event, that cost shall be included under an emergency CLIN if the event falls under the emergency CLIN. Otherwise, it shall be included under the repair CLIN if the event falls under the repair CLIN.

4.2.2 The vendor shall immediately, but no later than 24 consecutive hours after discovery, notify the Customer, (in writing), of the existence or the development of any defects in, or repairs required to the equipment which the Contractor considers he/she is not responsible for under the terms of the contract or considers an emergency.

4.2.2.1 Prior to engaging in service or repair under this paragraph, the contractor shall obtain written approval from the CO (funds not available on task order) or the Government POC/COR (funds are available on task order). Email is an acceptable form of written approval. Any work performed without the Contracting Officer (CO) or Contracting Officer’s Representative (COR)/Government Point of Contact (POC) approval shall not be approved for payment and considered and Unauthorized Commitment. The Government reserves the right to obtain these services from a different vendor.

4.2.2.2 For those items considered not under the contract or determined to be an emergency, the vendor shall furnish the AC&R shop Foreman with a written estimate of the cost to make necessary repairs. The Government reserves the right to obtain these services from a different vendor.

4.2.3 The Contractor shall provide a Dispatch Desk with a single point of contact 24 hours a day, 365 days of the year for all 24-hour service call back requests.

4.2.3.1 A person and not voice mail shall answer calls placed to the Dispatch Desk.

4.2.3.2 Dispatch Desk personnel shall be responsible to log and forward basic information about calls including party calling, caller’s contact information, accurate technical description of the problem or request, extent of the outage if a portion of the system is down, equipment and location involved, and any other relevant technical portions of the activity log entry for the call.

4.2.4 Response time is defined as the time the contractor receives the call from the VAMC to the time the contractor arrives at the VAMC and checks in with a VAMC employee or representative.

4.2.4.1 The contractor shall respond to all requests within 2 hours during normal operating hours (Monday – Friday; 7am – 5pm) and within 4 hours after normal operating hours (all other hours).

4.2.5 Contractor shall be available to respond to equipment outages, service callback requests and emergencies as necessary at the VAMC 24 hours a day 365 days a year for the term of the contract.

4.3 The Contractor shall provide other repair services on an “as needed” basis, which will be determined and requested by the VAMC with a Services Call Order. These services may include alteration, improvement and/or overhaul of equipment, which when completed will modify and/or enhance the operation, performance, reliability, safety etc. of the equipment beyond existing levels. These repairs are not considered part of the preventative maintenance and shall be invoiced using the Repair Services CLIN.

4.3.1 The contractor shall be required to provide the CO and COR a detailed cost proposal and/or quote including an itemized breakdown for all labor, parts and materials, as well as a schedule with critical milestones for completing the Services Call Order. The Government reserves the right to obtain these services from a different vendor.

4.3.2 These services include any repairs, alterations, adjustments, or overhaul of the equipment that would be considered beyond preventative maintenance as defined in Section 8.0 of this document and when it is determined to be necessary by the VAMC.

4.3.2.1 Should there be a need for disinfection of a tower because of an unscheduled event, that cost shall be included under a Repair CLIN if the event falls under the Repair CLIN. Otherwise, it shall be included under the Emergency CLIN if the event falls under the Emergency CLIN.

4.3.3 The Services Call Order will not be classified as an emergency and will be performed during normal working hours as defined in paragraph 4.7.

4.3.4 The contractor will not commence work until they are provided a written approval from CO via email.

4.4 The contractor shall not make any alterations or additions to the equipment without the prior written consent of the CO/COR.

4.5 The contractor shall conduct a weekly operational inspection and review logs and trends to make sure that the equipment is operating correctly.

4.6 The contractor shall use only manufacturer recommended parts when making repairs or performing maintenance.

4.7 The contractor shall conduct routine maintenance during normal business hours 8:00AM – 4:30PM Monday through Friday with the exception of government observed holidays.

4.8 The contractor accepts responsibility for the equipment in "as is" condition. Failure to inspect the equipment prior to contract award will not relieve the vendor from performance of the requirements of this contract.

4.9 Reports

4.9.1 The contractor shall supply final hard copies and electronically prepared PM Service report forms to the MOS/COR.

4.9.2 The reporting format shall be developed by the contractor and submitted with the quote. That format shall be approved by the MOS/COR as to the forms contents of the PMP, or SS task.

4.9.3 A written report of each inspection or routine maintenance visit shall be furnished in PDF format to the MOS and HVAC shop Foreman within 24 hours business days of service.

4.9.4 Reports shall advise of any repair or repair parts necessary to maintain the equipment in optimum operating condition.

4.9.5 The documentation will include equipment down time and detailed descriptions of the scheduled preventative maintenance performed including parts replaced.

4.9.6 At a minimum, the following will be documented in complete report: Contractor’s Name, Technician’s Name, Date and Time, Location and Description of service.

4.9.7 The contractor shall keep a log in Excel file format of all repair services performed under this contract. A copy of this log will be provided to the Government POC annually (within 10 days of new option year) and at the end of the contract term (will be required before final payment).

4.10 Qualifications

4.10.1 The contractor must be able to demonstrate through their company’s history, staff and management team at least 10 years of experience performing chiller maintenance.

4.10.1.1 This experience must relate to work on systems of the same scale and complexity as those located at the WBVAMC.

4.10.2 The contractor shall provide a contract manager who will be responsible for the performance of the work.

4.10.2.1 The name of the contract manager and an alternate shall be designated in writing to the MOS/COTR prior to the contract start date.

4.10.2.2 The contract manager or alternate shall have full authority to act on all contract matters relating to the contract.

4.10.2.3 The contract manager or alternate shall be available within 24 hours of request during normal business hours, and or within the next business day after Friday or a federal holiday.

4.10.3 All employees of the contractor performing work under this contract at the Wilkes Barre VAMC shall have completed the 10-hour OSHA Safety course.

4.10.3.1 Certificates of completion for this course shall be submitted to the MOS/COTR.

5.0 Other Requirements

5.1 Communication

5.1.1 The contractor shall execute a communication plan that is effective and accurate in making contact with the MOS/COTR for replying to responses, proposals, invoices, the monitoring of work and equipment status and keeping of records.

5.2 Safety, Security, Identification

5.2.1 Safety and Security

5.2.1.1 Contractor personnel that will be performing work at the VAMC will be required to follow all security procedures establish by the VA and VAMC Police.

5.2.1.2 Contractor will provide all necessary PPE for all employees.

5.2.1.3 Contractor is solely responsible for initiating, maintaining, and supervising all safety precautions in performance of the contract.

5.2.1.4 Contractor will abide by all safety and security procedures, once entering the VAMC property line.

5.2.1.5 Contractor personnel shall follow all safety, and security guidelines established by OSHA and VAMC.

5.2.1.6 The VAMC reserves the right to inspect all areas for safety violations at its discretion, direct the contractor to make immediate improvement of necessary conditions and/or procedures, and/or stop the work if other hazards are deemed to exist.

5.2.1.7 In the event that the VAMC should elect to stop work because of any type of existing safety hazards after the contractor has been notified and provided ample time to correct, the contractor shall bear all costs for eliminating the hazard(s) and shall not be granted compensation for the work stoppage. The contractor shall pay all additional expenses.

5.2.1.8 Contractor shall coordinate access to all work areas with the COR.

5.2.1.9 The contractor shall not interfere with patients or employees without prior notification to and approval from the VAMC.

5.2.1.10 The contractor shall ensure that, under no circumstances, any of its employees shall enter an area not authorized for access by the COR.

5.2.1.11 Contractor will not have access to any PII or sensitive information.

5.2.1.12 The selection, assignment, and management of the contractor’s employees are the responsibility of the contract manager. The contractor shall not assign any individual identified as a potential threat to the health, safety, security, general wellbeing, or operation of the Wilkes Barre VAMC facility or its employees. The contractor is fully responsible for the performance and conduct of its employees at all times.

5.3 Equipment Shutdowns

5.3.1 Contractor shall coordinate all work with the VAMC facilities management and safety.

5.3.2 Work will be phased to best accommodate VAMC operations.

5.3.3 Planned preventative maintenance equipment shutdowns will require a formal notice of 14 calendar days in advance.

5.3.4 Shutdowns for other repairs may be expedited due to the nature of the work.

5.3.5 Shutdown timeframes for other repairs will be established on a case-by-case basis by the VAMC.

5.4 Reserved

5.5 Worksite

5.5.1 Contractor is responsible for worksite cleanliness from initiation of work until completion of work.

5.5.2 The contractor shall not leave any tools, ladders, parts and/or supplies unattended in the public area at any time.

5.5.3 After work is complete, the worksite must be thoroughly cleaned and returned to an acceptable level of cleanliness, as determined by the VAMC.

5.5.4 Contractor will be required to report to the COR any waste disposal resulting from the execution of this contract.

5.6 Identification

5.6.1. All contractor personnel and sub-contractors are required to wear company badges identifying the company and the technician’s name(s).

5.7 Arrival and Departure

5.7.1 Contractor personnel shall check-in and check-out with the COR or his designated representative immediately upon arrival at the VAMC and prior to the end of each site visit respectively.

5.7.2 At arrival the contractor shall inform the COR of its work plan for each visit, and at check-out the contractor shall inform the COR of the actual work performed and any other information concerning the safe operations of the equipment.

6.0 Quality Control Program

6.1 All work performed under this contract shall be of the highest quality, consistent with best industry practices and manufacturer recommendations to assure timely and adequate provisions of maintenance and repair services.

6.2 Contractor shall establish a Quality Control Plan including the methods the contractor will use for identifying, correcting, and preventing defects in the quality of service performed before the level of performance becomes unacceptable to the VAMC.

7.0 Equipment List

8.0 Minimum Required Tasks: The following tasks are minimum requirements to be conducted on the equipment listed and in addition to the manufactures required maintenance tasks and intervals. The costs to perform this work to include parts, materials, replacements or repairs described in this section shall be included in the regular maintenance costs (for example filter changes, oil changes, insulation repairs, cleaning). Repairs and or emergencies resulting from findings during these tasks are not considered regular preventative maintenance and shall be addressed as outlined in paragraphs 4.2 and 4.3 above.

8.1 Main Chiller Plant 750 Ton Centrifugal Chiller(s). The following maintenance to be performed on chillers 1 and 2.

8.1.1 Weekly

8.1.1.1 Check over all operation of unit and report deficiencies to MOS/COR

8.1.1.2 Inspect unit for signs of refrigerant and oil leaks.

8.1.1.3 Check unit for unusual vibration.

8.1.1.4 Check refrigerant charge. Refill as required.

8.1.1.5 Check oil levels. Refill as required.

8.1.1.6 Check operating pressures.

8.1.1.7 Check water flow.

8.1.1.8 Provide checklist and report to COR.

8.1.2 Monthly

8.1.2.1 Check operating controls for accuracy.

8.1.2.2 Check purge unit operation and settings.

8.1.2.3 Check lubricating system(s) for proper operation. Re-lubricate as required.

8.1.2.4 Grease bearings in accordance with manufacturer’s runtime intervals.

8.1.2.5 Check all safeties for proper operation.

8.1.2.6 Provide checklist and report to COR.

8.1.3 Quarterly

8.1.3.1 Check evaporator and condenser water flowrates.

8.1.3.2 Verify correct condenser and evaporator water heat transfer.

8.1.3.3 Change purge unit dehydrator.

8.1.3.4 Provide checklist and report to COR.

8.1.4 Semi Annually

8.1.4.1 Conduct refrigerant leak check.

8.1.4.2 Conduct oil analysis (provide independent laboratory report). Note: test to be conducted before oil change.

8.1.4.3 Check all power and control voltages for correct operating parameters.

8.1.4.4 Verify correct operation of VSD.

8.1.4.5 Verify proper operation of Variable Speed Drives cooling circuit and perform required maintenance tasks.

8.1.4.6 Provide checklist and report to COR.

8.1.5 Annual (Winter Service)

8.1.5.1 Conduct vibration analysis (provide report of results).

8.1.5.2 Brush clean condenser tubes.

8.1.5.3 Perform Eddy current test on condenser tubes (provide report of results).

8.1.5.4 Meg ohm compressors drive motor.

8.1.5.5 Change compressor oil and filters.

8.1.5.6 Check compressor lubricating system operation and perform required maintenance.

8.1.5.7 Pressurize unit and conduct leak test.

8.1.5.8 Conduct refrigerant analysis (provide independent laboratory report).

8.1.5.9 Check compressor seal for deficiencies (replace seal if required).

8.1.5.10 Check compressor drive coupling and replace if necessary.

8.1.5.11 Check alignment between drive motor and compressor and realign as necessary.

8.1.5.12 Clean motor starter contacts or replace if necessary.

8.1.5.13 Check inlet vane operation and make adjustments if required.

8.1.5.14 Check inlet vane drive motor and linkages and lubricate where required.

8.1.5.15 Clean control panel.

8.1.5.16 Check control panel electrical connections and tighten.

8.1.5.17 Check control panel display for accuracy and correct set points.

8.1.5.18 Run diagnostics test on control panel.

8.1.5.19 Check sensors for accuracy and recalibrate if required.

8.1.5.20 Repair/replace insulation where removed for inspection or maintenance and repairs.

8.1.5.21 Provide checklist and report to COR.

8.2 Main Chiller Plant Pump(s) maintenance to be performed on the following: Primary pumps 1, 2 and 3, Secondary Chilled water pumps 4, 5 and 6, Condenser water pumps 1 and 2.

8.2.1 Weekly

8.2.1.1 Check for mechanical seal leaks

8.2.1.2 Make sure all gauges are operating and correct readings are displayed.

8.2.1.3 Check for unusual mechanical or hydraulic noise and vibration.

8.2.1.4 Provide checklist and report to COR.

8.2.2 Monthly

8.2.2.1 Grease bearings in accordance with manufacturer’s recommendations.

8.2.3 Semi Annual

8.2.3.1 Check motor to pump alignment.

8.2.3.2 Check condition drive coupling and replace as necessary.

8.2.3.3 Clean suction diffuser strainers.

8.2.3.4 Clean or replace motor starter contacts.

8.2.3.5 Tighten electrical connections.

8.2.3.6 Provide checklist and report to COR.

8.2.4 Annual

8.2.4.1 Meg Ohm test motor

8.3 CLC Chiller Plant 90 Ton Screw Chillers. The following maintenance to be performed on chillers 1 and 2.

8.3.1 Weekly

8.3.1.1 Check over all operation of unit (address deficiencies with MOS/COTR)

8.3.1.2 Inspect unit for signs of refrigerant or oil leaks.

8.3.1.3 Check unit for unusual vibration.

8.3.1.4 Check refrigerant charge. Refill as required.

8.3.1.5 Check oil levels. Refill as required.

8.3.1.6 Check evaporator and condenser water flow.

8.3.1.7 Provide checklist and report to COR.

8.3.2 Monthly.

8.3.2.1 Check all safeties for proper operation.

8.3.2.2 Check operating controls for accuracy.

8.3.2.3 Grease bearings in accordance with manufacturer’s runtime intervals.

8.3.2.4 Check lubricating system(s) for proper operation. Re-lube as required.

8.2.3.5 Provide checklist and report to COR.

8.3.3 Quarterly

8.3.3.1 Verify correct evaporator and condenser water flowrates.

8.3.3.2 Check condenser water and chilled water heat transfer.

8.3.3.3 Change purges unit dehydrator.

8.3.3.4 Check all electrical connections line/control on unit for imperfections and tightness.

8.3.4 Semi Annually

8.3.4.1 Conduct refrigerant leak check.

8.3.4.2 Conduct oil analysis (provide independent laboratory report).

8.3.4.3 Check compressor lubricating system operation and perform required maintenance.

8.3.4.4 Record all power and control voltages for proper operation of Variable speed drive.

8.3.4.5 Verify proper operation of Variable Speed Drives cooling circuit and perform required maintenance tasks.

8.3.5 Annual (Winter Service)

8.3.5.1 Conduct vibration analysis (provide report).

8.3.5.2 Clean evaporator tubes.

8.3.5.3 Clean condenser tubes.

8.3.5.4 Perform Eddy current test on evaporator and condenser tubes (provide report).

8.3.5.5 Meg ohm compressor(s) drive motor.

8.3.5.6 Change compressor oil and filters.

8.3.5.7 Check compressor lubricating system operation and perform required maintenance.

8.3.5.8 Pressurize unit and conduct leak test.

8.3.5.9 Conduct refrigerant analysis (provide independent laboratory report).

8.3.5.10 Check and record motor voltages.

8.3.5.11 Check alignment and condition of motor drive coupling.

8.3.5.12 Check compressor seal for deficiencies.

8.3.5.13 Clean motor starter contacts or replace.

8.3.5.14 Check inlet vane operation and make adjustments if required.

8.3.5.15 Check inlet vane drive motor and linkages and lubricate where required.

8.3.5.16 Clean control panel.

8.3.5.17 Check control panel electrical connections and tighten.

8.3.5.18 Check control panel display for accuracy and correct set points.

8.3.5.19 Run diagnostics test on control panel.

8.3.5.20 Repair/replace insulation where removed for inspection or maintenance and repairs.

8.4 CLC Chiller Plant 100 Ton Screw Chiller/Air Cooled VFD Screw Chiller. The following maintenance to be performed on chillers 3

8.4.1. Weekly

8.4.1.1 Visually Inspect for signs of refrigerant leaks.

8.4.1.2 Check display for fault messages.

8.4.1.3 Check oil level in oil separator sight glass. Replace as required.

8.4.1.4 Check liquid line sight glass and moisture indicator.

8.4.1.5 Record system operating pressures and temperatures.

8.4.1.6 Check condenser coils for dirt and debris and clean as necessary.

8.4.2 Monthly

8.4.2.1 Check programable operating setpoints and safety cut-outs. Assure they are correct for the application.

8.4.2.2 Check compressor an evaporator heaters.

8.4.2.3 Check for dirt in panel and door seal. Clean as required.

8.4.3 Semi-Annually

8.4.3.1 Leak check chiller.

8.4.3.2 Sample compressor oil integrity and replace as necessary.

8.4.3.3 Disconnect power lock out and check all wiring connections for tightness.

8.5 Operating Room Back Up Chiller

8.5.1 Weekly

8.5.1.1 Visually Inspect for signs of refrigerant leaks.

8.5.1.2 Check display for fault messages.

8.5.1.3 Check oil level in oil separator sight glass. Refill as required.

8.5.1.4 Check liquid line sight glass and moisture indicator.

8.5.1.5 Record system operating pressures and temperatures.

8.5.1.6 Check condenser coils for dirt and debris and clean as necessary.

8.5.1.7Check compressor oil level. Refill as required.

8.5.2 Monthly

8.5.2.1 Check programable operating setpoints and safety cut-outs. Assure they are correct for the application.

8.5.2.2 Check compressor an evaporator heaters.

8.5.2.3 Check for dirt in panel and door seal. Clean as required.

8.5.3 Semi-Annually

8.5.3.1 Leak check chiller.

8.5.3.2 Sample compressor oil integrity and replace as necessary.

8.5.3.3 Disconnect power lock out and check all wiring connections for tightness.

8.6 Kitchen Chiller

8.6.1 Weekly

8.6.1.1 Check display for fault messages.

8.6.1.2 Visually Inspect for signs of refrigerant leaks.

8.6.1.3 Check oil level. Refill as required.

8.6.1.4 Check liquid line sight glass/ moisture indicator.

8.6.1.5 Check compressor oil level. Refill as required.

8.6.1.6 Check condenser coils for dirt and debris and clean as necessary.

8.6.2 Monthly

8.6.2.1 Check programable operating setpoints and safety cut-outs. Assure they are correct for the application.

8.6.2.2 Check compressor an evaporator heaters.

8.6.2.3 Check for dirt in panel and door seal. Clean as required.

8.6.2.4 Check condenser fan(s) operations.

8.6.2.5 Check chilled water flow switch operation.

8.6.3 Annually

8.6.3.1 Sample compressor oil, check for acid, and replace as necessary.

8.6.3.2 Disconnect power source and lock out. Check tightness of wiring connections.

8.6.3.3 Check the accuracy of thermistors, replace if greater +/- 2 degrees Fahrenheit.

8.6.3.4 Check to be sure that proper concentration of antifreeze is present in the chilled water loop. Refill as required.

8.6.3.5 Verify that the chilled water loop is properly treated.

8.6.3.6 Check refrigerant driers for excessive pressure drop replace if necessary.

8.6.3.7 Check Chilled water strainers Clean as necessary.

8.6.3.8 Check Cooler Heater operation.

8.6.3.9 Check condition of condenser fan blades and that they are securely fastened to Motor Shaft.

8.6.3.10 Perform Service Test to confirm operation of all components.

8.6.3.11 Check for excessive Cooler approach (Leaving Chilled water Temperature-Saturated Suction Temperature) which may indicate fouling. Clean Cooler Vessel if Necessary.

8.6.3.12 Clean Microchannel Heat Exchanger Condenser Coil to Manufacture's recommended instructions.

8.7 Main Plant and CLC Cooling Towers

8.7.1 Monthly

8.7.1.1 Inspect sump for proper level, debris, sludge, and signs of biofilm.

8.7.1.2 Inspect level control.

8.7.1.3 Inspect water flow and distribution.

8.7.1.4 Record and report deficiencies.

8.7.2 Semi-Annual: Note: Semi-Annual maintenance must be conducted during the months of April and October.

8.7.2.1 Semi-Annual maintenance must occur during the months of April and October.

8.7.2.2 The main plant cooling towers must be serviced separately (one cooling tower must always remain operational)

8.7.2.3 Before any maintenance can be performed the cooling tower must be disinfected in accordance with VHA Directive 1061.

8.7.2.4 Upon completion of the semi-annual maintenance tasks the cooling tower must be disinfected again before returning the equipment back in service.

8.7.2.4.1 Cooling Tower Disinfection Procedure: Dose cooling tower water system with a minimum of 10 mg/L of free residual halogen and dispersant for at least 8 hours. After 8 hours drain system and perform the required semi-Annual maintenance tasks. After completion of the maintenance tasks refill the system and dose to 1 to 5 mg/L for 30 minutes and drain. Re-fill the system and return equipment to normal operation.

8.7.2.4.2 Please refer to the following pH ranges for the selected halogen. For chlorine treatment, the pH should be 7.0-7.6: and for bromine treatment, the pH should be 7.0 – 8.7. For higher pH values treatment times may need to be extended.

8.7.2.4.3 Stabilized halogen products should not be used for disinfection.

8.7.2.5 A full report of the disinfection process must be recorded. This report must identify the chemicals used, dosage, timeline, free chlorine, and pH.

8.7.3 Semi-Annual Cooling Tower Maintenance Tasks

8.7.3.1 Remove any sludge and debris from tower basins and dispose of appropriately.

8.7.3.2 Clean Basin.

8.7.3.3 Inspect Hot Deck for biofilm and clean as required.

8.7.3.4 Inspect nozzles for damage and blockages, clean or replace as required.

8.7.3.5 Inspect drift eliminators for damage and biofilm.

8.7.3.6 Clean drift eliminators.

8.7.3.7 Grease Fan motor(s)

8.7.3.8 Grease Fan shaft bearings.

8.7.3.9 Lubricate Motor Base adjusting screw.

8.7.3.10 Inspect fans for damage.

8.7.3.11 Check fan motor operating voltage and amperages.

8.7.3.12 Check fill valve and float for proper operation.

8.7.3.13 Clean Pump strainer.

8.7.3.14 Report any deficiencies discovered.

9.0 Attachments

9.1 Attachment A Preventative Maintenance Plan

9.2 Maintenance Checklist

10.0 Task Orders

10.1 All worked performed under this contract shall only be performed by the contractor via Government issued task orders award against the base contract.

10.2 The Task Order will include the line items, quantities and associated pricing. All pricing shall be determined directly from the base contract Pricing Schedule.

10.3 The Task Order will include the location of the work, and an effective start and ending dates for the period of performance.

10.4 Invoices will be paid upon satisfactory completion of all project-specific tasks, requirements, and acceptance. Individual purchase order numbers will be issued on each task order for invoicing purposes.

VHA Supplemental Contract Requirements for Combatting COVID-19

1. Contractor employees who work in or travel to VHA locations must comply with the following:

a. Documentation requirements:

1) If fully vaccinated, contractors shall show proof of vaccination.

i. NOTE: Acceptable proof of vaccination includes a signed record of immunization from a health care provider or pharmacy, a copy of the COVID-19 Vaccination Record Card (CDC Form MLS-319813_r, published on September 3, 2020), or a copy of medical records documenting the vaccination.

2) If unvaccinated, contractors shall show negative COVID-19 test results dated within three calendar days prior to desired entry date. Test must be approved by the Food and Drug Administration (FDA) for emergency use or full approval. This includes tests available by a doctor’s order or an FDA approved over-the-counter test that includes an affiliated telehealth service.

3) Documentation cited in this section shall be digitally or physically maintained on each contractor employee while in a VA facility and is subject to inspection prior to entry to VA facilities and after entry for spot inspections by Contracting Officer Representatives (CORs) or other hospital personnel.

4) Documentation will not be collected by the VA; contractors shall, at all times, adhere to and ensure compliance with federal laws designed to protect contractor employee health information and personally identifiable information.

2. Contractor employees are subject to daily screening for COVID-19 and may be denied entry to VA facilities if they fail to pass screening protocols. As part of the screening process contractors may be asked screening questions found on the COVID-19 Screening Tool. Check regularly for updates.

a. Contractor employees who work away from VA locations, but who will have direct contact with VA patients shall self-screen utilizing the COVID-19 Screening Tool, in advance, each day that they will have direct patient contact and in accordance with their person or persons who coordinate COVID-19 workplace safety efforts at covered contractor workplaces. Contractors shall, at all times, adhere to and ensure compliance with federal laws designed to protect contractor employee health information and personally identifiable information.

3. Contractor must immediately notify their COR or Contracting Officer if contract performance is jeopardized due to contractor employees being denied entry into VA Facilities.

1. For indefinite delivery contracts: Contractor agrees to comply with VHA Supplemental Contract Requirements for any task or delivery orders issued prior to this modification when performance has already commenced.

Microsoft_Excel_Worksheet1.xlsx Sheet1

Main Chiller Plant Equipment

Tag Primary Pump 1

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # 185014/25HP

Tag Primary Pump 2

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # 185014/25HP

Tag Primary Pump 3

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # 185014/25HP

Tag Secondary Pump 1

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # VSCS-S 13.00 BFW LHR QF3449/100HP

Tag Secondary Pump 2

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # VSCS-S 13.00 BFW LHR QF3449/100HP

Tag Secondary Pump 3

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # VSCS-S 13.00 BFW LHR QF3449/100HP

Tag Condenser Pump 1

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # VSC-S 15.625 BF LHR QF3450/75HP

Tag Condenser Pump 2

Description Centrifugal Pump

Manufacturer Bell and Gossett

Model # VSC-S 15.625 BF LHR QF3450/75HP image3.emf

Microsoft_Excel_Worksheet2.xlsx

CLC Chiller Plant

Tag Chiller 1

Description 90 Ton Water Cooled Screw Chiller

Manufacturer York

Model # YCWS0100SC46YAADB

Serial # RBLM002563

Tag Chiller 2

Description 90 Ton Water Cooled Screw Chiller

Manufacturer York

Model # YCWS0100SC46YAADB

Serial # RBLM002562

Tag Cooling Tower 1

Description 100 Ton Updraft Cooling Tower

Manufacturer Baltimore Air Coil

Model # VTO-088-JM/X

Serial # U163175202-01-01

Tag Cooling Tower 2

Description 100 Ton Updraft Cooling Tower

Manufacturer Baltimore Air Coil

Model # VTO-088-JM/X

Serial # U163175203-01-01

Tag Chiller 3

Description Air Cooled VFD Screw Chiller

Manufacturer York

Model # YCAV207SA46VAVCST

Serial # SMPM-016930

Operating Room Back-Up Chiller

Tag West Tower Back-Up

Description 150 Ton Air Cooled Reciprocating Chiller

Manufacturer York

Model # YCAJ150-46PA

Serial # SKGM-162120

Kitchen Chiller

Tag Kitchen Chiller

Description 100 Ton Air Cooled Chiller

Manufacturer Carrier

Model # YCUZ880E817PA

Serial # SALM-640060 image1.emf

Microsoft_Excel_Worksheet.xlsx

Main Chiller Plant Equipment

Tag Chiller 1

Description 750 Ton Water Cooled Centrifugal Chiller

Manufacturer York

Model # YTK9D7F2-CHW

Serial # GEHM047185

Compressor

Model # YTDTL-144

Serial # GAH047185

Speed Drive

Model # 790T B12F-46C

Serial # 00848H1098

Tag Chiller 2

Description 750 Ton Water Cooled Centrifugal Chiller

Manufacturer York

Model # YTK9D7F2-CHW

Serial # GEHM047186

Compressor

Model # YTDTL-144

Serial # GAHCO47186

Speed Drive

Model # 790T B12F-46C

Serial # 006588H1298

Tag Cooling Tower 1

Description 1000 Ton Updraft Cooling Tower

Manufacturer Baltimore Air Coil

Model # 3791A

Serial # U066115301

Tag Cooling Tower 2

Description 1000 Ton Updraft Cooling Tower

Manufacturer Baltimore Air Coil

Model # 3791

Serial # U066115303 image2.emf