08DOA-S3284-Scope-of-Work.docx
DOCX document 29 KB Posted
- Solicitation number
- 08DOA-S3284
- Issued by
- Clark County, Fish Springs CDP, Nevada
About this file
This document is a Scope of Work (SOW) for Request for Proposal (RFP) 08DOA-S3284, issued by Nevada State Public Works for HVAC Preventive Maintenance and Inspection Services at McCarran Center Buildings. The contract covers comprehensive maintenance services for various HVAC equipment types including 50+ ton roof top units, package air conditioning systems, split systems, mini-split systems, and computer room air conditioning (CRAC) systems. The maintenance services include annual, tri-annual, and quarterly inspections depending on the equipment type, with detailed specifications for checking electrical connections, mechanical components, operational controls, safety controls, compressors, coils, and performing necessary cleaning and lubrication.
The scope of work requires the contractor to supply all necessary parts, components, tools, and materials for maintenance, with all repairs and modifications to be completed per the 2023 National Electrical Code and 2024 Uniform Mechanical Code. Work must be pre-scheduled with State Public Works Buildings and Grounds, and upon completion, the contractor will provide a written report of completed work and recommendations for future repairs. The contract encompasses both existing mechanical systems and newly installed equipment across various Nevada State properties and leased properties, with a focus on maintaining HVAC systems in proper operational condition through proactive maintenance and inspection protocols.
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Other files
| File | Type | Posted |
|---|---|---|
| Vendor Information Response~1.pdf | ||
| 08DOA-S3284 Cost Schedule.xlsx | XLSX spreadsheet | |
| 08DOA-S3284-Reference-Questionnaire.pdf | ||
| 08DOA-S3284 McCarren Center Maps.pdf | ||
| 08DOA-S3284-Pre-registration-sit-down-form.pdf | ||
| 08DOA-S3284 Insurance Schedule.docx | DOCX document | |
| Terms-and-conditions-for-services~4.pdf | ||
| 08DOA-S3284 HVAC Preventive Maintenance Bid Q and A Answered.pdf | ||
| 08DOA-S3284-Request-for-Proposals.docx | DOCX document | |
| Quote Instructions.pdf | ||
| Certification-regarding-lobbying~5.pdf | ||
| 08DOA-S3284 Equipment Data 6-13-2025.zip | ZIP file | |
| Standard-form-contract~4.docx | DOCX document |
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Text version
Scope of Work
RFP 08DOA-S3284
HVAC Preventive Maintenance and Inspection Services for the McCarran Center Buildings
Scope of Work
The contractor shall have experience of annual inspections, preventive maintenance and operations services, repairs, replacement, installation and modification for various HVAC equipment.
The following description, while not intended to cover all details, outlines the major scope of work performed under this contract at various Nevada State properties and leased properties may include the service of existing mechanical systems and newly installed equipment.
Work may also include electrical, electronic components such as motors, compressors, pumps, fans, furnace, ducts, pipes, belts, thermostats, switches and refrigeration circuits. All parts, components and related devices for mechanical systems that are worn or not in proper operational condition shall be reported and quoted for repair/replacement with new parts, components, and devices. All miscellaneous parts, components, and related items necessary to perform the work such as, but not limited to, gaskets, filters, belts, valve packing, lubricants, tools, paints, refrigerants, test instruments, meters, etc, shall be supplied by the CONTRACTOR and included in the costs.
These tasks may include identifying work such as setting up program parameters and set points, troubleshooting controls, programing VFD`s and replacing controllers. All repairs and modification to are done per the 2023 NEC and the 2024 UMC.
All work will need to be pre-scheduled with State Public Works Buildings and Grounds. Upon completion of the work done, the contractor will clean up the work area and provide a written report of the work completed and recommendations of any repairs needed.
Specifications of Work for the following HVAC equipment
50+ TON ROOF TOP UNITS - ANNUAL INSPECTIONS (TO BE PERFORMED ONE TIME PER YEAR)
Check the operation of the unit’s VFDs
Inspect and tighten all nuts, bolts, and retaining devices on mechanical assemblies and mounting brackets.
Verify all electrical connections are at proper torque settings.
Clean/Change all cooling filters and grills if applicable.
Remove all dirt and dust that has penetrated the unit interior or accumulated on the processor boards using high-pressure nitrogen.
Verify and record all inverter settings.
Verify and all internal power supplies, and logic outputs. Record as applicable.
Check the proper operation of DC buss capacitors.
Check all external controls related to the operation of the inverter.
Provide recommendations for repair, parameter changes, etc. in written form.
Lubricate fan and motor bearings per manufacturer’s recommendation.
Replace belts. (Annually as required) Inspect condition of pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
Check coils for leaks and any conditions for concern.
Secure unit panels and inspect roof curb flashing.
Chemically clean condenser coils. (Annually as required)
50+ TON ROOF TOP UNITS - TRI-ANNUAL OPERATIONAL INSPECTIONS (TO BE PERFORMED THREE TIMES PER YEAR)
Check the operation of the unit’s VFDs.
Inspect and tighten all nuts, bolts, and retaining devices on mechanical assemblies and mounting brackets.
Verify all electrical connections are at proper torque settings.
Clean/Change all cooling filters and grills if applicable.
Remove all dirt and dust that has penetrated the unit interior or accumulated on the processor boards using high-pressure nitrogen.
Verify and record all inverter settings.
Verify and all internal power supplies, and logic outputs. Record as applicable.
Check proper operation of DC buss capacitors.
Check all external controls related to the operation of the inverter.
Lubricate fan and motor bearings per manufacturer’s recommendation Inspect condition of belts and pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
Check coils for leaks and any conditions for concern.
Secure unit panels and inspect roof curb flashing.
RTU PACKAGE AIR CONDITIONING SYSTEMS - ANNUAL INSPECTIONS
(TO BE PERFORMED ONE TIME PER YEAR)
Lubricate fan and motor bearings per manufacturer’s recommendation.
Replace belts. (Annually as required) Check pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
Check coils for leaks and any conditions for concern.
Secure unit panels and inspect roof curb flashing.
Chemically clean condenser coils. (Annually as required)
RTU PACKAGE AIR CONDITIONING SYSTEMS - TRI-ANNUAL OPERATIONAL INSPECTIONS
(TO BE PERFORMED THREE TIMES PER YEAR)
Lubricate fan and motor bearings per manufacturer’s recommendation.
Inspect condition of belts and pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
SPLIT SYSTEMS CONDENSING UNIT AND AIR HANDLER - ANNUAL INSPECTIONS (TO BE PERFORMED ONE TIME PER YEAR)
Lubricate fan and motor/motors bearings per manufacturer’s recommendation.
Replace belts. (Annually as required) Check pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
Check coils for leaks and any conditions for concern.
Secure unit panels and inspect roof curb flashing.
Chemically clean condenser coils. (Annually as required)
SPLIT SYSTEMS CONDENSING UNIT AND AIR HANDLER – TRI-ANNUAL OPERATIONAL INSPECTIONS (TO BE PERFORMED THREE TIMES PER YEAR)
Lubricate fan and motor bearings per manufacturer’s recommendation.
Inspect condition of belts and pulleys. Adjust and align if required and applicable.
Check drain pan, drain lines, and traps.
Check motor operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check motor contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
MINI SPLIT SYSTEMS - QUARTERLY INSPECTIONS (TO BE PERFORMED FOUR TIMES PER YEAR)
Check drain pan, drain lines, and traps.
Check and clean condensate pumps and float assemblies.
Check motors and blower fans operating conditions.
Inspect electrical connections and tighten as required.
Check condition of unit disconnects.
Check contactors and relays.
Check unit operational controls and adjust if needed.
Check unit safety controls and adjust as needed.
Check compressor oil level (where applicable).
Check crankcase heater condition and operation.
Start compressor. Check operating conditions and adjust as required.
Check coils for leaks and any conditions for concern.
Secure unit panels.
Chemically clean condenser coils. (Annually as required)
CRAC SYSTEMS - QUARTERLY OPERATIONAL INSPECTIONS (TO BE PERFORMED FOUR TIMES PER YEAR)
Check unit’s interface for alarms.
Lubricate all fan and motor bearings as needed.
Check all belts and drives and make necessary adjustments (where applicable).
Furnish and install fan belts as needed (where applicable).
Check and clean condensate pumps and float assemblies.
Flush and clean drain lines.
Check and clean humidifiers.
Flush and clean condensate pans.
Clean air-cooled condensers with high pressure Nitrogen gas.
Check fresh air and return air dampers.
Check electric reheat coils where applicable.
Check all equipment electrically and mechanically.
Check coils for leaks and any conditions for concern.
Secure unit panels and inspect roof curb flashing Chemically clean condenser coils. (Annually as required)
EXHAUST FANS - QUARTERLY INSPECTIONS (TO BE PERFORMED FOUR TIMES PER YEAR)
Inspect belts and adjust as required.
Lubricate motor and bearings as required.
Provide and install belts once a year.
Inspect electrical.
Secure unit cover
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