SOW_Wawona_Generator.pdf

E X P E R I E N C E Y O U R A M E R I C A The National Park Service cares for special places saved by the American people so that all may experience our heritage.

Statement of Work

Objective

The contractor will provide the equipment, personnel, and supplies to remove a Kohler 150REZGC propane generator from the concrete pad located adjacent to the Wawona Firefighting facility, 2540 Wawona District Circle, Yosemite National Park, Wawona, CA and install a new Kohler 140 kW propane generator (or similar) at the same location. The new generator will utilize the existing concrete pad and be connected to the existing transfer switch and propane fuel tanks.

Background

The generator was installed at the Wawona Firefighting facility in 2015. The generator has failed, the motor operates, but the generator does not produce power. The generator provides back up power to the building at the facility and the radio transmission tower. In the event of a power loss, the facility provides essential services to the Wawona area.

Scope

• The contractor will purchase (1) - UL2200 listed, propane fueled generator set rated for standby duty at 150 kW, 120/208 volt, 3-phase, 4 wire, 60 Hertz, 1800 RPM, outdoor rated in a weatherproof enclosure

• Removal of existing failed Kohler standby generator from the current location

• Failed Kohler generator and associated components will become property of the contractor and must be removed from Yosemite National Park

• Offload, set, and anchor in place new propane fueled generator on existing concrete pad

• Utilize existing sub-circuits for battery charger, block heater, and 2-wire start

• Install required grounding

• Utilize existing conductors for power connections

• Install new connections for propane fuel and test for leaks

• Provide factory authorized equipment startup and operational compliance of the generator and the transfer switch

• Provide building load test to demonstrate the load carrying capability, through a simulated power outage

• Provide operations training to NPS staff

• Initiation of warranty – 1 year or 2,000 hours (whichever comes first)

• Hard copies of the O & M Manuals

Period of Performance

Work shall be completed in 60 calendar days from receipt of new generator

Yosemite National Park

Carrie Toepper Facility Operations Specialist Buildings and Grounds Phone: 209-379-1089

National Park Service U.S. Department of the Interior

E X P E R I E N C E Y O U R A M E R I C A The National Park Service cares for special places saved by the American people so that all may experience our heritage.

Additional Information

HAULING RESTRICTIONS: Vehicles over 45 feet are prohibited and 1-way controlled traffic for all other vehicles 20 miles East of Mariposa (Mariposa County) 24 hours per day, seven days per week due to rockslide repairs.

ON-SITE WORK HOURS: Work shall be generally performed during normal business working hours of 8 a.m. to 5 p.m., Monday through Friday, except when otherwise indicated. No holiday will be allowed.

BEAR/ ANIMAL SAFETY: Bears and other animals are active in Yosemite and surrounding areas. It is necessary for all visitors to practice bear and animal safety. Food items are not to be left in work trucks or anywhere else. The NPS provides bear boxes in campgrounds for food storage. Bear incidents are a ticketable offense in Yosemite.