Statement of Work_Chiller Plant Maintenance_Rev 1.docx

Revision 1

STATEMENT OF WORK

Chiller Plant Maintenance/Repair (Sam Rayburn Memorial Veterans Center) Contractor Requirements

1. Contractor to provide all supervision, personnel, transportation, materials, supplies, parts and labor to perform annual and operational maintenance per the scopes of work listed below in Schedule “A”.

2. Contractor to provide supervision & labor for corrective, repair, or emergency service on all the equipment listed below (Central Plant Equipment List).

3. Normal wear and tear items i.e., oil, filters, and freon for small leaks to be included in quote. All other parts and material for repairs to be quoted by vendor will be purchased by VA on a separate PO. All labor must be included in the quote.

4. Place of Performance: Sam Rayburn Memorial Veterans Center, located at 1201 East 9th Street, Bonham, Texas, 75418.

5. Period of Performance: Base with four (4) option year renewals

6. Contractor to have 24/7/365 Emergency Service dispatch center and process. Emergency services request are defined as services that require immediate attention and that are within the scope of services and not excluded from the scope of services that are listed below in Schedule “A”. Service request outside the scope of services will be billed on a separate PO and will be authorized by the VA before start of work.

7. Contractor to provide 4-hour response time for emergency service calls during regular or after-hours calls. Contractor is liable for contacting the VA/Boiler Plant for arrival time for all emergency repairs.

8. 45-day deficient assessment period for the government to pay for preexisting conditions under CLIN 0003. Contractor will then be responsible after the corrective actions have been completed.

9. Contractor to have employees with minimum of 10 years’ experience on York Centrifugal Chillers, Aurora Pumps, Evapco Cooling Towers, Tranter Heat Exchangers and ABB Variable Speed Drives. Proof of prior experience must be in writing and provided by the existing employer or employing agency and submitted with the proposal.

10. Contractor to have the chiller technician employees with York Factory Training Certification Certificates on York High Pressure Chillers, York TMIII Variable Speed Drives, York Vyper Variable Speed Drives and ABB Drives. These certificates shall be submitted with the proposal and placed in the contract file along with the proof of prior experience statement.

11. VAMC Bonham will be responsible for all parts to include: (emergency, repair, corrective parts, and refrigerant) outside of the preventative maintenance scope of work.

12. During the base year of the contact, as directed by VA, the contractor shall provide all labor, material, and supervision to service 4 cooling towers. This shall include replacing all hardware as needed, inside media, outside mist eliminators and nozzles. This shall include cleaning all cooling tower assemblies and resealing all seams as needed. This task is to be completed during light load conditions during the months of January and February.

13. Eddy Current for Condenser will be performed the base year for all three (3) York YK Chillers. This shall be completed every 3rd year. The evaporator tubes for all 3 chillers shall be done the base year then every 5th year.

14. The Plate and Frame Heat exchanger shall be cleaned the Base and 3rd Option Year. Contractor shall monitor the pressure drops on both sides of the plate and frame monthly, while in operation.

15. Contractor to follow all OSHA & Construction Safety Guidebook, VHA Center for Engineering & Occupational Safety & Health.

16. PERMITS: The Contractor shall be responsible for obtaining any licenses and permits and complying with any laws, and regulations applicable to the execution of this work as required federally and by the State of Texas.

17. DISPOSAL: Disposal of materials under this contract at an approved disposal site in accordance with all local, state, and federal laws, regulations, and guidelines are the Contractor’s sole responsibility. The contractor shall adhere to all OSHA requirements concerning removal, transporting, and disposal of the material.

Schedule “A” (Preventative Maintenance Scope of Work)

1. Annual Preventive Maintenance York YK - Centrifugal Chillers One (1) Annual Equipment Shutdown Inspection per Chiller

Checking the Compressor-Motor Assembly for the following items and performing PM Tasks as indicated:

a) Recording voltages at VSD

b) Meg and recording motor winding resistance

c) Lubricating open motor per York maintenance specifications

d) Checking the alignment on open drive units per York maintenance specifications

e) Checking the motor to compressor coupling per York maintenance specifications

f) Checking compressor shaft seal per York maintenance specifications

g) Checking inlet vane operator and linkage; lubricating where required

h) Check vane actuator potentiometer and calibrate as necessary

Checking the Compressor Oil System for the following items:

a) Changing oil filter, and dryers per York maintenance specifications

b) Conducting analysis on oil and oil filter at an independent laboratory

c) Checking oil pump operation per York maintenance specifications

d) Checking oil heater and thermostat operation

e) Checking all other oil system components including cooler, strainer, and solenoid

Review the Opti View Control Panel for the following items:

a) Running diagnostic check of Micro Control Panel per York maintenance specifications

b) Checking safety shutdown operation low evaporator sensor, high pressure switch

c) Checking all terminals and tightening connections

d) Checking Display Data accuracy and set points on sensors per York maintenance specifications

e) Check and calibrate level sensor as necessary per York maintenance specifications

f) Check and calibrate stall sensor for VGD per York maintenance specifications if applicable

Checking the Condenser for the following items:

a) Checking condenser barrel pressure drops and water flow per York maintenance specifications

b) Checking flow switch operation

c) Removing condenser head and inspect end sheets and heads

d) Mechanically brush clean condenser water tubes

Checking the Cooler for the following items:

a) Checking the water flow

b) Checking flow switch operation

c) Checking refrigerant level

Checking the System for the following items:

a) Conducting a leak check and identifying leak sources for repairs

b) Adding refrigerant as required

c) Recording condition of sight glasses

d) Checking the refrigerant cycle to verify the proper operating balance

e) Checking condenser water and chilled water heat transfer

General items included:

a) Repairing insulation removed for inspection and maintenance procedures

b) Cleaning equipment and surrounding area upon completion of work

c) Consulting with the VA operator

d) Provide customer with deficiency reports and log sheets

2. Annual Preventative Maintenance YORK VSD & SS Starter One (1) Annual Equipment Shutdown Inspection per Chiller

a) Remove dust and dirt from cabinets, components, and heat sinks

b) Tighten input power electrical connections per York maintenance specifications

c) Verify proper settings of overloads and safeties per York maintenance specifications

d) Check accuracy of transducers and thermistors and calibrate per York maintenance specifications

e) Record all power and control voltages for proper operation of drive per York maintenance specifications

f) Verify proper operation of cooling circuit and back flush heat exchanger (VSD only)

g) Change closed loop coolant fluid Once (1) Annually

h) Check and clean condenser water loop strainer (VSD only)

i) Provide customer with deficiency reports and log sheets

3. Operational Inspections York YK High Pressure Centrifugal, VSD, SS Starter Eleven (11) Operational Inspections per Chiller

a) Inspecting chiller and adjusting safety controls per York maintenance specifications

b) Checking operation Opti View control panel per York maintenance specifications

c) Checking oil and refrigerant levels

d) Checking the oil return system for proper operation

e) Checking oil sump, oil heaters and temperatures per York maintenance specifications

f) Checking and testing all operating and safety controls per York maintenance specifications

g) Record all power and control voltages per York maintenance specifications

h) Check VSD solution levels and heat sinks per York maintenance specifications

i) Verify proper operation of cooling circuit (VSD only)

j) Check and condenser water loop strainer (VSD only)

k) Lubricating open motor per York maintenance specifications

l) Starting the chiller and calibrating controls per York maintenance specifications

m) Leak checking the unit and identifying leak sources for repair

n) Logging operating conditions after system and unit stabilized

o) Reviewing operating procedures and owner's log with operator

p) Provide customer with deficiency reports and log sheets

4. Annual Preventative Maintenance Evapco AT Series Cooling Tower One (1) Annual Maintenance Inspection per Cooling Tower

a) Check voltage and amperage of cooling tower fan motors

b) Check and tighten all electrical connections

c) Check all starters and contactors for wear

d) Check all operating, safety controls, and vibration switches

e) Check and lubricate motor bearings and fan bearings per manufacturers specifications

f) Check operation and balance of fan blade

g) Check and inspect motor, power belt, and fan drive assembly

h) Check sump outlet clean strainers and screens

i) Check and clean spray nozzles

j) Check and clean sump Once (1) per year

k) Check and adjust float valve basin level control

l) Check and clean fill Once (1) per year

m) Check basin sump heaters and thermostat operation

n) Check overall condition of unit

o) Provide customer with deficiency reports and log sheets

5. Operational Maintenance Evapco AT Series Cooling Tower Eleven (11) Operational Maintenance Inspection Per Cooling Tower

a) Check voltage and amperage of cooling tower fan motors

b) Check and adjust float valve basin level control

c) Check sump outlet clean strainers and screens

d) Check and clean debris from unit

e) Check and lubricate fan and motor bearings per manufacturers specifications

f) Check and inspect motor, power belt, and fan drive assembly

g) Check basin sump heaters and thermostat operation

h) Check all starters and contactors for wear

i) Clean and service CT Fan Variable Speed Drives with compressed air.

j) Check all operating and safety controls vibration switches

k) Check operation and balance of fan blade

l) Check overall condition of unit

m) Provide customer with deficiency reports and log sheets

6. Annual Maintenance Inspection for CHW and CW Pumps One (1) Annual Maintenance Inspection per Pump

a) Check voltage and amperage for pump motor

b) Check and tighten all electrical connections

c) Check all starters and contactors for wear

d) Clean and service Pump Motors Variable Speed Drives with compressed air

e) Check all operating and safety controls vibration switch

f) Check and lubricate motor bearings per manufacturer specifications

g) Check and lubricate pump bearings per manufacturer specifications

h) Check pump and motor alignment

i) Check pump coupling for wear

j) Check mechanical seals for leaks and wear

k) Clean motor air intake

l) Check and clean suction diffuser or strainers

m) Check isolation hand valves

n) Check gauges for accuracy and record differential pressure

o) Check and record suction and discharge pressures

p) Check pump mounts and vibration pads for wear

q) Check overall condition of unit

r) Provide customer with deficiency reports and log sheets

7. Operational Maintenance Inspection for CHW and CW Pumps Eleven (11) Operational Maintenance Inspection per Pump

a) Check voltage and amperage for pump motor

b) Check pump motor operation

c) Check and clean all drives, electrical connections, starters, and contactors for wear

d) Check and lubricate motor bearings per manufacturer specifications

e) Check and lubricate pump bearings per manufacturer specifications

f) Check coupling for wear

g) Check mechanical seals for leaks or wear

h) Check and clean suction diffuser strainers Once (1) per Quarter

i) Check gauges for accuracy

j) Check mounts and vibration pads for wear

k) Check overall condition of unit

l) Provide customer with deficiency reports and log sheets

8. Operational Maintenance Inspection for Plate & Frame Heat Exchanger Four (4) Operational Maintenance Inspection

a) Check and clean strainers Once (1) per Quarter

b) Check gauges for accuracy

c) Check hot and cold side for pressure drop and compare to manufacturer’s design specifications

d) Check overall condition of unit

e) Provide customer with deficiency reports and log sheets

f) Plate and Frame Heat exchanger cleaning maintenance is not included in the Schedule “A” Scope of Work or pricing. Per manufacturer’s recommendations the plate and frame heat exchanger will be cleaned on an as needed basis per the manufacturers design pressure drops.

Central Plant Equipment List

SAFETY/SECURITY REQUIREMENTS: The Contractor shall comply with all applicable federal, state, and local laws and ensure performance is secure while protecting material, equipment, and actor supplies from damage and loss. Government security personnel shall have the express right to inspect for security violations at any time during the term of the contract. All information generated in performance of this contract becomes property of the Government and must be surrendered upon request and/or completion of the contract. The Contractor must protect against the destruction and/or misplacement of all information produced under this contract, unless directed under local policy to destroy. This includes both hard and soft copies of data. The Contractor shall not release any information (including photographs, files, public announcements, statements, denials, or confirmations) on any part of the subject matter of this contract or any phase of any program hereunder without the prior written approval of the COR.

CONDUCT OF PERSONNEL: Contractor personnel shall conduct themselves in a professional manner (i.e., timeliness, communication; spoken and written etc.). The Contracting Officer may require the Contractor to remove from the job site any employee working under this contract for reasons of suspected misconduct, a suspected security breach, or suspected to be under the influence of alcohol, drugs, or any other incapacitating agent. Contractor employees shall be subject to dismissal from the premises upon determination by the Contracting Officer that such action is necessary in the interests of the Government. The hospital director or designated representative has the authority to bar individuals from the Government facility. The removal from the job site or dismissal from the premises shall not relieve the Contractor of the requirement to provide sufficient personnel to perform the services as required by this performance work statement. The Government shall not reimburse the Contractor for travel and other expenses associated with the removal of personnel. Contractor personnel are not authorized to carry or possess personal weapons to include, but not limited to, firearms and knives with a blade length more than three inches, while assigned under this contract.

CONTRACTORS ATTIRE AND APPEARANCE: Contractor personnel shall present a professional appearance commensurate with standards delineated for Government civilian personnel acting in similar capacities. The Government reserves the right to review Contractor personnel qualifications. Upon request, resumes shall be provided to the Contracting Officer prior to clearance approval, for review and acceptance by the COR. The intent is verification purpose and not for the Government to become the hiring authority.