A04_Statement_of_Work.pdf

Chillers Annual Service Contract (PM)

Statement of Work: Annual-Quarterly Service Contract for Daikin Chillers 1 & 2 at Gateway Arch National Park - JEFF 11 N 4th Street, St.

Louis, MO 63102

Prepared by Lance Ott

12/12/2024, rev. 5/12/2025

Table of Contents

1.0 Project Description / Summary:

2.0 Objectives:

3.0 Background:

4.0 Specific Work / Tasks:

5.0 Special Conditions / Requirements:

6.0 Place Of Performance:

7.1 Performance Period / Schedule Requirements:

8.0 Warranty:

9.0 Attachments:

1.0 Project Description / Summary:

This project will service three chillers by executing a required timely Preventative Maintenance (PM) inspection program on the chiller, which controls the climate at the Arch Visitor, Gateway Arch National Park.

2.0 Objectives:

The National Park Service is looking for a Trane and/or Daiken qualified, licensed, and bonded contractor to perform the tasks required in section 4.0 to complete this project in a timely manner.

3.0 Background:

All chillers were installed in 2018 in the Arch Visitor Center, which is currently open to the public 7 days a week. The chillers are necessary to ensure the health and comfort for building occupants.

4.0 Specific Work / Tasks:

a. Site visit to review existing conditions, confirm scope and develop installation plans with sequence of work.

b. Contractor will provide four (4) quarterly visits per year to inspect, diagnose and make necessary adjust to prevent any major issues with the chillers. The visits will consist of one (1) Annual Inspection and three (3) Quarterly Operational Inspections on each chiller (1 & 2).

c. Contractor will perform the following maintenance tasks during the one annual inspection of the chillers:

I. Check in with the facility maintenance manager and discuss any operating issues or deficiencies.

II. Check unit for proper operation, interlocks, controls and excessive noise or vibration.

III. Tighten all starter, motor, and control connections.

IV. Visually inspect condition of starter contacts and overloads for wear, pitting and any signs of overheating.

V. Check thermal flow switches for proper operation.

VI. Test for refrigerant leaks including relief valve piping outlets.

VII. Inspect water piping and valves for leakage, check condition of unit and pipe insulation.

VIII. Check vane control operation.

IX. Check electronic expansion valve operation.

X. Check microprocessor for proper setup and operations.

XI. Inspect vibration eliminators and pads.

XII. Complete operating log of temperatures, pressures, voltages, amperages and review all readings.

XIII. Drain Condensers, Drop Condenser Heads, brush condenser tubes, and reinstall heads XIV. Review any findings and recommendations with facility maintenance manager.

XV. Provide a report to the Customer about the condition of the Chillers and any recommendations for necessary repairs, parts, or enhancements to maintain the capacity, reliability, and efficiency.

d. Contractor will perform the following maintenance tasks during the annual inspections and the three quarterly inspections on the chillers:

I. Check in with the facility maintenance manager and discuss any operating issues or deficiencies.

II. Check unit for proper operation, interlocks, controls and excessive noise or vibration.

III. Review owner’s log for trends.

IV. Visually inspect units, piping, and accessories for any signs of refrigerant leakage.

V. Inspect water piping and valves for leakage, check condition of unit and pipe insulation.

VI. Visually inspect power panels and control panel.

VII. Review compressor event and fault logs.

VIII. Calibrate Magnetic Bearings on Compressors.

IX. Complete operating log of temperatures, pressures, voltages, amperages and review all readings.

X. Review any findings and recommendations with facility maintenance manager.

XI. Provide a report to the Customer about the condition of the Chillers and any recommendations for necessary repairs, parts, or enhancements to maintain the capacity, reliability, and efficiency.

e. Contractor to provide OEM materials and labor to perform inspections, adjustments, and replacement of parts on the chillers.

f. Contractor to Tag out/lock out unit prior to work.

g. Contractor will instruct the Park person(s) responsible for the chillers operation and familiarize them with normal operation.

h. Contractor will provide the RAR form documentation required per EPA guide.

i. Contractor will perform an operational test with the customer present, after the inspection to ensure Chillers works properly.

j. Contractor is responsible to clean their work area each day and at the end of the job.

5.0 Special Conditions / Requirements:

a. Proper disposal of debris and other waste materials, including ozone-depleting substances, will be done in accordance with all Federal, State, and Local regulations.

b. Contractor will supply all required OEM parts and material to complete the job.

c. Furnish all required permits, license, and drawings from all agencies. Contractor shall prepare, obtain, and pay for all required permits prior to proceeding with installation work.

d. Contractor to meet all building codes and safety regulations required by local, state, and federal agencies, EPA, OSHA, Davis Beacon Act, and/ all National Park Service policies, and requirements.

e. Contractor is responsible to verify all measurements, and compatibility of OEM component replacements.

f. Contractor is responsible for determining specific work practices to be utilized for all tasks.

g. All work including work practices is subject to inspection and approval by the Contracting Officer Representative (COR) or park technical representative. Work or work practices are subject to inspection by regulatory personnel.

h. Contractor shall be responsible to repair any utilities, equipment supports, piping, conduits or wiring damaged during contract activities/construction and shall make all necessary repairs at Contractor expense.

6.0 Place of Performance:

a. Gateway Arch National Park 11 North Fourth Street, St Louis, Missouri 63102-1880

7.0 Performance Period / Schedule Requirements:

a. Initial work must be completed within 30 days of notice to proceed.

b. Work hours will be scheduled between 6:00 a.m. and 3:30 p.m. Monday through Friday. No Weekends or Federal Holidays.

c. Contractor will coordinate work schedule with the Park Representative and/or the Park Project COR.

Warranty:

a. Contractor shall warrant all material and installation workmanship for up to five years against any hardware issues, refrigerant leaks, or defects.

9.0 Unit Data: Below: Photos of chiller 1’s data plates.

Model Number: WMC350DCN-EROB

Serial Number: STNU160300162

Photos of chiller 2’s data plates.

10.0 Photos of chiller 3’s data plates.

Model Number: RTWD090

Serial Number: U15J03146