1. Statement of Work.pdf

Statement of Work USFS Yolla Bolla Ranger Station

Main Office HVAC Unit Replacements

1.0 - Scope of Work

The purpose of this project is to remove and replace the existing outdoor AC/heater packaged units at the Main Office 2555 Hwy 36, Platina CA. Units 1 and 2 are the same size and Unit 3 is somewhat smaller. All three units are located at the rear of the office building and access has logistical challenges but feasible from the west side of the office.

The existing units are R-22 refrigerant and new units shall be with CA compliant refrigerant systems.

New units shall be California compliant minimum SEER/EER rating. Note all new systems shall be of the same manufacturer for system compatibility and warranty purposes.

Work shall include but not necessarily limited to, disconnect and removal of existing exterior units, including related plenums and ducting, interfering electrical, low voltage, natural gas & condensate lines to be replaced, site clearing, preparation and placement of new pads and mounts. Furnishing and installation of new electrical disconnects, new AC/Heater units with new exterior plenums and ducting, duct sealing, tie-ins to existing structure ducting, all electrical, low voltage, natural gas and condensate lines, and related connections for complete and operational systems, including startup, testing and warranties.

Contractor shall furnish all material, labor, equipment, and transportation as required to accomplish the work. All demolition, disposal, and repairs described herein, for bringing the unit back into service are the responsibility of the Contractor.

HEAT PUMP/CONDENSER AND AIR HANDLER UNIT REPLACEMENT

A) Mobilization

a. Mobilization shall include preparatory work and operations necessary for the access preparation and movement of personnel, equipment, supplies, and incidentals to the project site and work area; for the establishment of equipment necessary for the work;

for any premiums on bond and insurance for the work; and for other operations required or performed, or costs incurred before the beginning of work.

b. Fire plan compliance and preparedness. See Fire Plan attachment.

c. The contractor will be responsible for the security of their equipment and materials, as well as for the general protection of the infrastructure and utilities that will be exposed to the contractor’s ingress/egress activity.

B) Removal, Disposal and Site Preparation

Work shall include but not necessarily limited to the following:

a. Disconnect/remove existing HVAC equipment, pads and interfering components, and dispose per County and/or State disposal requirements as applicable.

b. Evacuate refrigerant from existing system and dispose per regulatory requirements.

c. Units 1 & 2:

i. Set location of excavation and pad preparation. Scarify, compact and level the existing grade at the receiving area for a minimum 52” x 60” x 3” thick composite equipment pad, to 2” below existing grade. Furnish and install clean pea gravel to fill and compact the prepared new location and compact gravel pad with an overall dimension of 52” x 60” x 2” thick, flush with adjacent grade.

ii. Furnish and install 52” x 60” x 3 composite equipment pad on prepared & compacted gravel pad. 52” x 60” x 3 pad shall be Diversitech #U5260-3 or

Government approved equivalent.

d. Unit 3: Similar to Units 1 & 2 but:

i. Furnish and install 52” x 52” x 3 composite equipment as manufactured by

Diversitech #U5252-3 or approved equivalent. Prepare site to fit reduced pad size for Unit 3.

C) Furnish/Install 14 SEER/11 EER HVAC Combination Ground Mount Units

Work shall include but not necessarily limited to the following:

a. Furnish and install new electrical disconnects for Units 1, 2 & 3, sized for new units.

b. Furnish and install two (2) new 5-ton/126000 btu (units 1 & 2), such as

Blueridge Model BPRPGE1460-126EP-2 (or approved equivalent); and one (1) 3 ton/72,000 btu (Unit 3) such as Blueridge Model BPRPGE1436-072EP-2 (or approved equivalent), 208/230 volt packaged AC/Heater units for ground level exterior installations.

c. Furnish and install all new necessary electrical conductors, natural gas piping, conduits and connectors, all new insulated plenum & duct work, couplers and insulating equipment to extend to new equipment location and connect with existing system supply and return lines and electrical systems as required for complete and operational systems.

d. Extend new electrical work from the new electrical disconnect junctions to the new locations and reconnect complete, matching existing current wire rating and disconnects. Also, new control wiring shall be extended to new unit location and all connections made. All materials, installation and connections shall be meet current electrical and mechanical code requirements.

e. Furnish and install new thermostats for Units 1, 2, & 3 in accordance with manufacturer’s recommendations.

D) Startup, Testing and Warranty

a. Perform startup and testing in accordance with manufacturer’s recommendations and provide corresponding performance results conforming to manufacturer’s startup metrics to COR. Provide HVAC units’ operations and maintenance manuals at project completion.

b. Provide one (1) year installation labor and materials warranty; and minimum five (5) year manufacturer warranty on HVAC units.

1.1 – Project Location

2555 CA-36, Platina, CA 96076

From Hwy 36 (at Main Street) in Red Bluff, CA, proceed westerly on Hwy 36 for approximately 48 miles to the Yolla Bolla Ranger District Office. Turn left into the parking lot (watch for on-coming traffic).

1.2 – Government Furnished Property

All security aspects associated with contractor owned equipment and materials are not the responsibility of the Government. The Government assumes no liability whatsoever for Contractor use of designated staging/laydown/overnight area. Contractor is solely responsible for the security of his/her possessions related to this project.

1.3 – Contractor Furnished Property and Submittals

Except as otherwise noted, the Contractor shall furnish all labor, materials, equipment, supervision, and transportation necessary for the successful completion of the work described in this contract.

1.4 - Utilities

Contractor shall be responsible for locating and protecting above and below ground utilities in the project area.

1.5 - Use of Utilities

Water and power is available on site and shall be coordinated with the Contracting Officer’s

Representative (COR) for access. Sanitary services may be available on a limited basis, subject to

Fire Station personnel availability for building access. Cellular phone service is not available at this location.

1.6 – Protection of Existing Improvements

Unless otherwise indicated, existing pavement, buildings, landscaping, and other existing improvements shall be protected by the Contractor. The Contractor shall be responsible for repairing any damage to existing facilities and improvements.

1.7 – Disposal

All construction waste material shall be properly and legally disposed of off government land.

1.8 – Time of Completion

Work to be completed within 30 calendar days of Notice to Proceed (NTP) is received from the Contracting Officer.