B08_Attachment_1_HVAC_SOW_Final.docx

Scope of Work HVAC System Replacement and Upgrade – Maintenance Facilities Scope of Work HVAC System Replacement and Upgrade – Maintenance Facilities

1.0 Project Overview

The Contractor shall provide all labor, supervision, materials, equipment, tools, transportation, permits, incidentals, and disposal necessary to remove, replace, and upgrade existing HVAC systems at maintenance facilities located at John Muir National Historic Site.

The work includes replacement of existing heating equipment, installation of air conditioning systems in previously unconditioned spaces, associated electrical and mechanical modifications, testing, startup, and commissioning of all installed systems.

The Contractor shall field verify all existing conditions and dimensions prior to beginning work.

1.1 Place of Performance

The place of performance for this project is:

John Muir National Historic Site Maintenance Building 1415 Franklin Canyon Rd Martinez, CA 94553

All work shall be performed at the Government facilities located within the park boundaries unless otherwise approved by the Contracting Officer.

2.0 Scope of Services

2.1 Existing Conditions

The Contractor shall verify all field conditions, measurements, utility connections, and existing system configurations prior to installation.

Any discrepancies or unforeseen conditions shall be immediately brought to the attention of the Contracting Officer and COR prior to proceeding with affected work.

2.2 Demolition and Removal

The Contractor shall remove and properly dispose of existing HVAC equipment, components, and associated materials, including but not limited to:

• One (1) existing furnace serving the maintenance office area (Ultra V Advantage 93, G1D93AC090D20C-1)

• One (1) ceiling-mounted heating unit serving the woodworking shop (Infra-Rez Heater By Reznor)

• One (1) existing furnace serving the maintenance equipment repair/storage garage (X-106 Bryant Plus 90

• Existing thermostats and controls associated with replaced equipment (Honeywell-T8000C- Maint Office Area, Emerson-1F83C-11PR- Woodworking Shop, Totaline Signature-CPV220-Part Number P374-2200- Maint Garage)

• Associated refrigerant, piping, and obsolete HVAC components as necessary

Please see the below attached pictures of the current system and site for additional information.

The Contractor shall recover and dispose of refrigerants in accordance with EPA requirements and all applicable federal, state, and local regulations.

The Contractor shall protect adjacent finishes, equipment, utilities, and building components during demolition activities.

2.3 HVAC Equipment Installation

The Contractor shall furnish and install new HVAC equipment sized appropriately for the existing facilities and intended operational use.

New equipment shall include:

• One (1) high-efficiency heating system for the maintenance office area

• One (1) replacement heating unit for the woodworking shop

• One (1) high-efficiency heating system for the maintenance equipment repair/storage garage

• Air conditioning systems for the maintenance office area and maintenance equipment repair/storage garage Equipment shall be commercial-grade and suitable for continuous use in office and maintenance/shop environments.

Minimum efficiency requirements shall comply with current applicable federal and state energy efficiency standards.

The Contractor shall provide manufacturer product data and equipment specifications for Government review prior to installation.

2.4 HVAC System Requirements

The Contractor shall ensure all systems are properly installed, balanced, and fully operational.

Work shall include, but not be limited to:

• Ductwork modifications as required

• Refrigerant piping

• Condensate drain piping

• Venting components

• Air distribution components

• Electrical disconnects

• Controls wiring

• Thermostats and programmable controls

• Equipment pads, supports, and mounting hardware as required

Existing ductwork may be reused if determined by the Contractor to be in serviceable condition and compatible with the new equipment.

All electrical work shall comply with applicable codes and shall be coordinated with existing building electrical service.

2.5 Controls

The Contractor shall provide programmable thermostats and associated controls for all new systems.

Controls shall allow independent temperature control of each conditioned area.

3.0 Permits and Inspections

The Contractor shall obtain and pay for all permits, inspections, licenses, and approvals required for performance of the work unless otherwise directed by the Government.

The Contractor shall coordinate all required inspections with the appropriate authorities having jurisdiction.

4.0 Safety Requirements

The Contractor shall comply with all applicable OSHA requirements, federal regulations, state regulations, and local codes.

The Contractor shall maintain a safe worksite and minimize disruption to ongoing facility operations.

The Contractor shall protect Government property and maintain safe pedestrian and vehicle access throughout the project.

5.0 Construction Operations

Normal working hours shall be coordinated with the COR.

Any utility shutdowns or disruptions to occupied areas shall be coordinated in advance with the Government.

The Contractor shall maintain the worksite in a clean and orderly condition on a daily basis and remove all construction debris from Government property.

6.0 Testing and Commissioning

Upon completion of installation, the Contractor shall:

• Perform startup and operational testing of all systems

• Verify proper airflow and temperature control

• Test heating and cooling functions

• Verify thermostat and control operation

• Correct deficiencies identified during testing prior to final acceptance

7.0 Submittals and Deliverables

The Contractor shall provide the following submittals:

• Manufacturer product data and specifications

• Equipment cut sheets

• Warranty information

• Operation and maintenance manuals

• Startup and testing documentation

• As-built drawings if significant layout changes occur

8.0 Warranty

The Contractor shall provide a minimum one-year warranty on workmanship and installation beginning on the date of Government acceptance.

Manufacturer warranties shall be transferred to the Government upon project completion.

9.0 Period of Performance

The Contractor shall complete all work within sixty (60) calendar days after receipt of the Notice to Proceed.

Maintenance Office Area:

Wood Working Shop:

Maintenance Equipment/Storage Garage:

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