36C24824Q0277 0004.docx

Amendment to a Previous Combined Solicitation

Amendment to a Previous Combined Solicitation

GENERAL INFORMATION

Network Contracting Office 8 (NCO 8)

10,000 Bay Pines Blvd Bay Pines FL 33744

POINT OF CONTACT*

PLACE OF PERFORMANCE

C. W. Bill Young VA Medical Center

10000 Bay Pines Blvd

Bay Pines Florida

COUNTRY

ADDITIONAL INFORMATION

AGENCY’S URL

URL DESCRIPTION

AGENCY CONTACT’S EMAIL ADDRESS

EMAIL DESCRIPTION

DESCRIPTION

The purpose of this Amendment is to post the REVISED PERFORMANCE WORK STATEMENT.

1. The Performance Work Statement has been revised and are attached to this Amendment 0004.

No other changes were made to this Solicitation.

Scope of Work Chiller Plant Maintenance Contract Bay Pines VA Medical Center and Lee County VA Medical Center

Bay Pines VA

Contractor shall provide all parts, materials, staffing, services, and supervision to perform preventative maintenance on (10) Trane water cooled chillers, (3) Trane air cooled chillers, (2) glycol chillers and (9) cooling towers.

The equipment included in this contract is attached.

GENERAL

Chemicals Any chemicals or disinfectants used must be registered with the US-EPA for the application. Safety Data Sheets (SDS) must be made available when asked.

Work Hours and Requirements Work hours shall be Monday through Friday 7 AM to 430 PM, unless otherwise authorized by the COR. All work shall be coordinated through COR. Contractor shall check in with the Energy Center, Bldg. 100, and COR each time they are on site to complete scheduled work or respond to emergency calls.

Contractor shall have a badge when on site. Only one chiller and/or cooling tower in each plant can be down for service at any one time, unless specifically permitted by the COR due to favorable weather conditions.

Data/Deliverable Requirements All preventative maintenance is to be done in accordance with the manufacturer’s recommendations and technical manuals. All mechanics working on Trane equipment must be factory certified by Trane. Certifications must be submitted with the proposal. Reports shall be submitted to the COR and/or the Assistant Chief, Engineering Service via e-mail after each service or emergency call.

Service Requirements Contractor shall be able to respond to emergency calls within two hours of notification by the COR, designee. Technicians must be factory certified technicians by Trane and must be able to complete all programming for repairs and upgrades to the equipment.

MAINTENANCE REQUIREMENTS:

Refrigerant Alarm Calibration Requirements:

QUARTERLY- Provide a written report of calibration for the refrigerant alarms in both chiller plants.

Centrifugal Chiller Maintenance Requirements:

ANNUALLY- Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected:

1. General Assembly

0. Check and record refrigerant level.

0. Sample refrigerant and oil and report showing numerical data on all tests performed on the sample and recommendations and comments on the sample.

0. Inspect for leaks and report leak results.

2. The refrigerant should be correct before starting the leak check. To prevent unnecessary venting of refrigerant, EPA-recommended methods (e.g. hot water and/or electric blankets) must be used to pressurize the vessels.

2. In order to use EPA-recommended methods, certain conditions must be met:

1. The isolation valves on the chilled water and condenser water lines must shut off the circulation completely.

1. The temperature of the equipment room should be 70°F or higher.

1. Access connections to the condenser water and chilled water circuits must be provided (customer’s responsibility).

0. If these conditions cannot be met, the refrigerant must be removed and the vessel pressurized, using dry nitrogen and a trace gas. This additional procedure is outside the scope of this agreement.

0. Calculate refrigerant loss and report to the customer.

0. Repair minor leaks as required (e.g., valve packing, flare nuts).

0. Check vanes for free and smooth operation.

0. Check mechanical linkages for wear.

1. Purge

1. Check purge unit controls for proper operation.

1. Check and clean purge drum as required.

1. Clean the condenser coil.

1. Clean strainers or replace filters as required.

1. Check the purge compressor assembly for leaks as required.

1. Check the purge unit for proper operation.

1. Controls and Safeties

2. Verify all settings in the electronic control panel.

2. Inspect the control panel for cleanliness.

2. Inspect wiring and connections for tightness and signs for overheating and discoloration.

2. Verify the operation of the vane control system:

2. Verify the working condition of all indicator/alarm lights and LED/LCD displays.

2. Verify the operation of the oil sump temperature control device.

2. Test high condenser pressure safety device. Calibrate and record setting.

2. Test low evaporator temperature safety device. Calibrate and record setting.

2. Test low oil pressure safety device. Calibrate and record setting.

2. Test high motor temperature safety device. Calibrate and record.

2. Test operation of chilled water pump and condenser water pump starter auxiliary contacts.

1. Lubrication System

3. Pull oil sample for spectroscopic analysis. Include testing for metal wear, moisture, acidity, viscosity, aniline point, solid residue and report showing numerical data on all tests performed on the sample and recommendations and comments on the sample. Shall also show graph of current test data in comparison with previous test data available.

3. Check oil for acid content and discoloration. Make recommendations to the customer based on the results of the test.

3. Measure and record the oil pump voltage and amperage.

3. Verify the operation of the oil heater. Measure amps and compare readings with the watt rating of the heater.

3. Change the oil filter.

3. Verify the oil level.

1. Motor and Starter

4. Clean the starter and cabinet.

4. Inspect wiring and connections for tightness and signs of overheating and discoloration.

4. Check condition of the contacts for wear and pitting.

4. Check contactors for free and smooth operation.

4. Check the mechanical linkages for wear, security, and clearances.

4. Check tightness of the motor terminal connections.

4. Meg the motor and record reading.

4. Verify the operation of the electrical interlocks.

SEMI-ANNUALLY - Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Clean chiller tubes twice per year, once at the beginning of the cooling season and once and the conclusion. The one at the completion of the cooling season shall coincide with the annual cleaning of the cooling towers.

QUARTERLY - Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Check the general operation of the unit.

b) Log the operating temperatures, pressures, voltages, and amperages.

c) Check the operation of the purge unit.

d) Check the operation of the control circuit.

e) Check the operation of the lubrication system.

f) Check the operation of the motor and starter.

g) Analyze the recorded data. Compare the data to the original design conditions.

h) Review operating procedures with operating personnel.

Air Cooled Chiller Maintenance Requirements QUARTERLY Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Check programmable operating setpoints and safety cutouts. Assure they are correct for the application

b) Check compressor and evaporator heater operation

c) Check for dirt in the panel. Check door gasket sealing integrity

d) Check heat exchangers, compressors, and pipework for damage and gas leaks

e) Read the operating pressures and temperatures at the control panel using the display keys and check that these are within the operating limitations give in the manual.

f) Check compressor oil level and add oil if necessary

g) Check refrigerant level in the evaporator sight glass while running at “Full Load” for 15 to 30 minutes.

h) Ensure no fault messages are displayed on the unit.

SEMI-ANNUALLY - Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Leak check the chiller

ANNUALLY - Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Sample compressor oil, check for acid, and replace if necessary

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

c) If applicable, check glycol concentration on low temp

d) Clean coils in accordance with manufacturere’s recommendations and procedures.

e) Sample refrigerant and oil and report showing numerical data on all tests performed on the sample and recommendations and comments on the sample.

Variable Frequency Drives (VFD) Maintenance Requirements:

ANNUALLY- Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Check drive for cleanliness and vacuum out components where required.

b) Perform annual service in accordance with manufacturer’s IOM and maintenance procedures by qualified, trained, and certified technician.

c) Visually inspect drive components

d) Visually inspect MOV devices for swelling and arcing

e) Verify pre-charged resistors for breakage

f) Inspect arc terminal for leakage and arcing

Cooling Tower Maintenance Requirements ANNUALLY- Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

Inspection Requirements The contractor shall provide a visual inspection of the towers including walls, roof, fans components, fill, and gear box. Contractor shall provide a written report verifying the procedure followed, disinfectant type and levels utilized, pictures of inside the tower, recommendations for improvements to the overall health of the towers, and certification that all disinfection and testing procedures complied with all state, local, and federal guidelines. The final report shall be submitted to facility no more than 14 calendar days of the completion of the work.

The towers shall be returned to a state in which the facility’s chemical contractor can resume normal treatment. Any chemicals introduced for cleaning must be removed.

Clean & Disinfecting Work must be completed in accordance with most current trade practices, guidelines, and requirements. The following are components of the process:

1. Pre-clean inspection and disinfection of cooling tower and associated systems

a. Perform mechanical inspection noting any defects or hazardous conditions

b. Disinfect the system using chlorine, bromine, or chlorine dioxide maintaining pH or adjusting disinfectant concentration as required.

c. In the process of disinfection, apply a bio detergent or bio dispersant to aid in the disinfection and removal of organic deposits, slimes, and deposits.

d. This above step must be taken prior to personnel safely entering the cooling towers.

e. Inspection of the system shall include inspection for defects, cracks, support members, fill condition, and damage to waterproofing. The general condition of the interior of the towers shall be documented by photograph and all defects or conditions of concern shall be photographed for the owner.

2. Physical cleaning and inspection of cooling tower surfaces, components, associated systems:

a. VA personnel will drain the system and close off any fresh air intakes that may be negatively impacted by the overspray.

b. Chip and remove peeling paint and rust on gear box assembly and motor and repaint utilizing Coronado Rust Scat Polyurethane Enamel, Sandstone, Semi-Gloss.

c. Clean and wash all accessible areas of the tower system including the fill, inside and outside of each individual cell, all wall surfaces, fan shroud, fan blades, and gearducer.

d. Remove scale and corrosive debris from the tower sump and distribution troughs

e. Remove and dispose of any accumulated sediments in the tower fill pack, sump, and troughs. This shall not be allowed to go into a store or sewer drain. It shall be vacuumed out and properly disposed.

f. Inspect condenser pumps and clean strainer for each one.

g. Clean and flush lines and clear nozzles of slime and debris.

h. Remove and clean any anti-cavitation plates and screen at the basin outlet

i. If applicable, drain gear box oil and replace with new oil. Oil must be properly disposed of by the contractor.

j. All physical cleaning shall be completed utilizing a pressure washer.

3. Post-clean inspection and disinfection of cooling tower and associated systems.

a. Perform mechanical inspection and note any defects and conditions of concern.

b. Disinfect the system using chlorine, bromine, or chlorine dioxide maintaining pH or adjusting disinfectant concentration as required.

c. Return tower water to conditions which allow normal operation.

d. VA staff will return system to service.

QUARTERLY- Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

a) Visual inspection of all mechanical components including motors, pulley’s, gear boxes, drives, blades, belts, valves, and pumps.

b) Grease bearings

c) Check sump level control system for proper operation.

d) Visual inspection of all electrical components.

SAFETY REQUIREMENTS

Confined Space

1. The Bay Pines VA Healthcare System complies with the Occupational Safety and Health Administration (OSHA) confined space requirements as detailed in 29 CFR 1910.146. The above ground water tanks located at the C. W. Bill Young Medical Center have been evaluated and deemed to meet the definition of permit required confined spaces. All confined space entry shall comply with 29 CFR 1910.146. A site-specific Confined Space Entry plan, that specifically addresses entry conditions, air monitoring and rescue services, shall be developed and submitted to the Facility Safety and Emergency Management Service.

2. Confined space entry permits must be authorized by the Facility Safety and Emergency Management Service. Contractors shall coordinate with their Project Manager to request entry permits. Written request to de-classify a (PRCS) to a (CS) may be documented in writing and submitted to the Facility Safety and Emergency Management Office for consideration and approval.

Fall Protection

1. The fall protection (FP) threshold height requirement is 6 ft (1.8 m) for ALL WORK, unless specified differently or the OSHA 29 CFR 1926 requirements are more stringent, to include steel erection activities, systems-engineered activities (prefabricated) metal buildings, residential (wood) construction and scaffolding work.

2. The use of a Safety Monitoring System (SMS) as a fall protection method is prohibited.

3. The use of Controlled Access Zone (CAZ) as a fall protection method is prohibited.

4. A Warning Line System (WLS) may ONLY be used on floors or flat or low-sloped roofs (between 0 - 18.4 degrees or 4:12 slope) and shall be erected around all sides of the work area (See 29 CFR 1926.502(f) for construction of WLS requirements). Working within the WLS does not require FP. No worker shall be allowed in the area between the roof or floor edge and the WLS without FP. FP is required when working outside the WLS.

5. Fall protection while using a ladder will be governed by the OSHA requirements.

Data/Deliverable Requirements All preventative maintenance is to be done in accordance with the manufacturer’s recommendations and technical manuals. All mechanics working on Trane equipment must be factory certified by Trane. Certifications must be submitted with the proposal. Reports shall be submitted to the COR and/or the Assistant Chief, Engineering Service via e-mail after each service or emergency call.

Service Requirements Contractor shall be able to respond to emergency calls within two hours of notification by the COR, designee.

MAINTENANCE TASKS

Chilled Water and Condensing Water Pumps, Motors &VFD’s

ANNUAL INSPECTION

1. Report in with the Customer Representative

2. Record and report abnormal conditions, measurements taken, etc.

3. Review operational problems and trends with customer.

1. General Assembly

a) Check motor shaft and pump shaft for alignment, if applicable.

b) Inspect the coupling for wear.

c) Verify that the shaft guard is in place and tight, if applicable.

d) Verify water flow through the pump.

e) Check for leaks on the mechanical pump seals, if applicable.

f) Verify smooth operation of the pump.

g) Verify check valves are operational, if applicable.

2. Lubrication

a) Lubricate the motor bearings as necessary.

b) Lubricate the pump bearings as necessary.

3. Motor and Starter

a) Clean the starter and cabinet.

b) Inspect wiring and connections for tightness and signs of overheating and discoloration.

c) Meg the motor.

d) Verify tight connections on the motor terminals.

e) Check the condition of the contacts for wear and pitting, if applicable.

f) Check the contactors for free and smooth operation.

g) Verify proper volts and amps.

QUARTERLY INSPECTION

1. Verify smooth operation of the pump.

2. Check for visible leaks on the mechanical pump seals, if applicable.

3. Review operational problems and trends with customer.

Variable Frequency Drives

QUARTERLY INSPECTION

1. Report in with the Customer Representative

2. Record and report abnormal conditions, measurements taken, etc.

3. Review operational problems and trends with customer.

4. Clean the heat sink.

5. Inspect wiring and connections for tightness and signs of overheating and discoloration.

6. Check contactors for sooth operation.

7. Visually inspect panel for loose of damaged parts or wiring; also check for any accumulation of dirt and/or moisture.

8. Verify proper operation of the unit.

9. Verify proper DC buss voltage.

10. If applicable, verify bypass operation.

MHA Building Trane Water Cooled Chiller

ANNUAL INSPECTION

Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected within 5 days of the end of the year.

1. General Assembly

a) Check and record refrigerant level.

b) Sample refrigerant and oil and report showing numerical data on all tests performed on the sample and recommendations and comments on the sample.

c) Inspect for leaks and report leak results.

2. The refrigerant should be correct before starting the leak check. To prevent unnecessary venting of refrigerant, EPA-recommended methods (e.g., hot water and/or electric blankets) must be used to pressurize the vessels.

3. To use EPA-recommended methods, certain conditions must be met:

a) The isolation valves on the chilled water and condenser water lines must shut off the circulation completely.

b) The temperature of the equipment room should be 70°F or higher.

c) Access connections to the condenser water and chilled water circuits must be provided (customer’s responsibility).

d) If these conditions cannot be met, the refrigerant must be removed and the vessel pressurized, using dry nitrogen and a trace gas. This additional procedure is outside the scope of this agreement.

e) Calculate refrigerant loss and report to the customer.

f) Repair minor leaks as required (e.g., valve packing, flare nuts.

g) Check vanes for free and smooth operation.

h) Check mechanical linkages for wear.

4. Controls and Safeties

a) Verify all settings in the electronic control panel.

b) Inspect the control panel for cleanliness.

c) Inspect wiring and connections for tightness and signs for overheating and discoloration.

d) Verify the operation of the vane control system.

e) Verify the working condition of all indicator/alarm lights and LED/LCD displays.

f) Verify the operation of the oil sump temperature control device.

g) Test high condenser pressure safety device. Calibrate and record setting.

h) Test low evaporator temperature safety device. Calibrate and record setting.

i) Test low oil pressure safety device. Calibrate and record setting.

j) Test high motor temperature safety device. Calibrate and record.

k) Test operation of chilled water pump and condenser water pump starter auxiliary contacts.

5. Lubrication System

a) Pull oil sample for spectroscopic analysis. Include testing for metal wear, moisture, acidity, viscosity, aniline point, solid residue, and report showing numerical data on all tests performed on the sample and recommendations and comments on the sample. Shall also show graph of current test data in comparison with previous test data available.

b) Check oil for acid content and discoloration. Make recommendations to the customer based on the results of the test.

c) Measure and record the oil pump voltage and amperage.

d) Verify the operation of the oil heater. Measure amps and compare readings with the watt rating of the heater.

e) Change the oil filter.

f) Verify the oil level.

6. Motor and Starter

a) Clean the starter and cabinet.

b) Inspect wiring and connections for tightness and signs of overheating and discoloration.

c) Check condition of the contacts for wear and pitting.

d) Check contactors for free and smooth operation.

e) Check the mechanical linkages for wear, security, and clearances.

f) Check tightness of the motor terminal connections.

g) Meg the motor and record reading.

h) Verify the operation of the electrical interlocks.

SEMI-ANNUAL

a) The services include mechanical or chemical cleaning of the tubes or coil twice per year, once at the beginning of the cooling season and once and the conclusion. The one at the completion of the cooling season shall coincide with the annual cleaning of the cooling towers.

b) Provide a written report of completed work for the previous quarters, submit operating log, and indicate any uncorrected deficiencies detected. Report is due within 5 days of the end the bi-annual period.

QUARTERLY

a) Check the general operation of the unit(s).

b) Log the operating temperatures, pressures, voltages, and amperages.

c) Check the operation of the purge unit.

d) Check the operation of the control circuit.

e) Check the operation of the lubrication system.

f) Check the operation of the motor and starter.

g) Analyze the recorded data. Compare the data to the original design conditions.

h) Review operating procedures with operating personnel.

i) Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Report is due within 5 days of the end of the quarter.

Cooling Tower Semi-Annual Cleaning Additional Semi-Annual Cleaning and Inspection

SEMI-ANNUALLY

Semiannual preventive maintenance (PM) as part of the startup/shutdown process, including:

(1) Cleaning of the sump and fill: the system must be disinfected, cleaned and re-disinfected

(i) immediately prior to initial startup following commissioning or any shutdown period of greater than one month

(ii) at intervals not exceeding 6 months

(2) Inspection of the fill and drift eliminators for damage and biofilm

(3) Inspection and lubrication of the fan(s)

(4) Inspection and PM of the sump level control and valve(s)

(5) Inspection, cleaning and adjustment of the flow control valve(s) and equalization valve(s)

Building 46 – Veterans Benefits Administration (VBA)

OVERVIEW

The contractor will provide the following services for the equipment listed. Services will be performed using our exclusive service procedures provided by factory trained and experienced technicians. Our procedures are environmentally and safety conscious while providing for the efficient delivery of these services.

SCOPE OF WORK

Contractor shall work Select Service Agreement features parts and labor coverage for HVAC equipment repairs included in the annual full maintenance - service agreement contract. It is the easiest and most reassuring way to ensure our HVAC equipment is continuously operating at peak performance levels. Under this service agreement, the contractor will schedule and manage preventative maintenance and provide repair coverage to help you minimize unplanned downtime and avoid unexpected expenses.

Equipment includes:

Quarterly and Annually maintenance service and inspections of pumps, chillers, motors, VFD’s and cooling towers, and Emergency repairs.

2 Armstrong Pumps 8x8x10 430 2 Armstrong Pumps size and data unknown 1 LAKOS TBX-0525-S Pump 1 Evapco Mechanical-Drift Tower USS-212-4M 2 Centrifugal Liquid Chillers MSO412FC1L -AG 05-103 & AG 05-104

6 VFD-GENERIC

SPECIAL EXCLUSIONS:

The contractor is required to keep equipment in good operating condition or extend useful life.

Services may include but not limited to:

· Overhauls, refurbishment, 10 year/40,000-hour chiller R’Newal, AFD R’Newal, eddy current scans, epoxy coating, etc.

· Repairs due to corrosion or erosion of equipment or components. Includes tube erosion or pitting, rust, deterioration of gaskets and insulation, broken or cracked tower fill.

· Maintenance or repair of non-maintainable items (i.e., Piping, valves, insulation, tower fill).

· Grinding, welding, patching, sealing, or painting of components is not considered a standard maintenance item and if needed would be excluded from coverage.

· Power wiring, disconnect switches and circuit breakers.

· Crane or special rigging service required for repairs. This would include the installation and removal of steel rigging structures required for repairs.

· Repairs resulting from acts of God, natural disasters, storms, lightning, power surges, vandalism, misuse, or improper operation.

Contracting Officer Representative (COR):

Leon Cobarris Bay Pines VA HealthCare.

10000 Bay Pines FL 33744 Phone: 1 (727)-398-6661 x15172 or cell:1 (727)-308-9941) E-mail: leon.cobarris@va.gov

HOURS OF OPERATION:

All work will perform during normal business hours Monday thru Friday 7:00am to 4:30 pm.

Lee County VA

A. General

The Department of Veteran Affairs is seeking “qualified Trane” HVAC contractor to perform comprehensive annual preventive maintenance and inspection as identified in this Statement of Work (SOW). The location of this project is Lee County VA Healthcare Center, 2489 Diplomat Parkway East, Cape Coral, Florida 33909.

B. Scope of Work

1. Contractor shall provide all parts, materials, staffing, services, and supervision to perform preventative maintenance on (3) Trane Centrifugal Chillers (1) Trane water cooled heat pump chiller, (3) Air cooled chillers.

2. Contractor shall provide all management, supervision, labor, parts (i.e., including but not limited to motors, pumps, tubes, electrical components, circuit boards, functional parts, etc.) materials, supplies, tools, and equipment; necessary to provide full maintenance coverage in accordance with the (PWS) for (3) cooling towers located at Lee County Healthcare Center.

3. Contractor shall provide all management, supervision, labor, parts (i.e., including but not limited to motors, pumps, tubes, electrical components, circuit boards, functional parts, etc.) materials, supplies, tools, and equipment; necessary to provide full maintenance coverage in accordance with the (PWS) for (10 pumps total) condenser water, chilled water, air cooled chilled water pumps at Lee County Healthcare Center.

4. Contractor shall provide all management, supervision, labor, parts (i.e. including: but not limited to motors, pumps, tubes, electrical components, circuit boards, functional parts, etc.) materials, supplies, tools, and equipment; necessary to provide full maintenance coverage in accordance with the (PWS) for additional semiannual cooling tower cleaning for (3) cooling towers at Lee County Healthcare Center.

MAINTENANCE REQUIREMENTS:

Refrigerant Alarm Calibration Requirements:

QUARTERLY- Provide a written report of calibration for the refrigerant alarms in both chiller plants.

MSA Alarm Calibration Requirements:

QUARTERLY- Provide a written report of calibration for the refrigerant alarms in both chiller plants.

Variable Frequency Drives (VFD) Maintenance Requirements:

ANNUALLY- Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

g) Check drive for cleanliness and vacuum out components where required.

h) Perform annual service in accordance with manufacturer’s IOM and maintenance procedures by qualified, trained, and certified technician.

i) Visually inspect drive components

j) Visually inspect MOV devices for swelling and arcing

k) Verify pre-charged resistors for breakage

l) Inspect arc terminal for leakage and arcing

Service Requirements Contractor shall be able to respond to emergency calls within two hours of notification by the COR, designee.

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Amendment to a Previous Combined Solicitation