SOW_Auto_Shop_Radiant_Heater_Installation.pdf

PARK – PMIS # 01 11 00 - 1

SUMMARY OF WORK

SECTION 01 11 00

PART 1 – GENERAL

1.1 WORK COVERED BY CONTRACT DOCUMENTS

Project Location: The work of this contract takes place in Longmire at Mount Rainier National Park, Washington. The elevation of Longmire is 2,761 feet above sea level.

The work consists of the following:

Demolition: The contractor shall disconnect and remove all components of the existing diesel fuel fired overhead radiant heaters from the Auto Shop. This includes removal of hangers, reflectors, tubes, and burners. Existing conductors from the electrical distribution panel currently serving as supply for heaters may be reused if they are adequate to comply with the National Electric Code. Existing conductors associated with heaters which will not be used shall be removed or terminated and capped with wire nuts in junction boxes. Flex conduits will be removed and boxes from which they originate will have connectors removed and openings capped. Thermostats, the conductors which connect between them and heaters, and the conduits in which the conductors run will be removed. All removed components will be disposed of outside the Park.

Removal of diesel fuel supply lines to the existing units and removal of all existing exhaust stacks will be performed by NPS personnel.

Installation: The contractor shall supply and install propane gas fired two stage infrared tube heaters of sufficient BTU to serve as the sole source of heating year-round for five repair bays and one wash bay of the Longmire Auto Shop. Work includes installation of propane supply lines and connection to each of the new heaters from the capped valve, installed by NPS personnel, on the west wall of the Auto Shop.

The contractor shall install all components of the radiant heaters including: burners, tubes, reflectors, thermostats, venting and hangers. All components shall be installed to manufacturer’s specifications.

Heaters shall be installed with two stage capable thermostats with seven day programming and setback capabilities to control four independent zones: (1) the two southwest bays, (2) the two northwest bays, (3) the southeast bay, and (4) the wash bay. Heaters shall be vented to the exterior of the building through walls avoiding penetrations in structural components.

Specification for tubular infrared heaters to be supplied:

Fuel Type Propane gas

Combustion chamber construction Titanium stabilized aluminumized steel or approved alternative

Emitter tube Aluminumized steel or approved alternative

Burner type Positive pressure, 430 grade stainless steel

Ignition system Hot surface silicon carbide

Reflectors .025 polished aluminum or approved alternative

Burner controls Safety differential switch to monitor air flow

LED diagnostics

PARK – PMIS # 01 11 00 - 2

Automatic gas shut off with gas or power supply disruption

There will be automotive repair work being undertaken in some areas of the garage during this construction. Coordination will be discussed at the preconstruction meeting.

An electrical hazard exists above a heater in the northwest bay; there are bare 480 volt bars for crane operation. The hazard is signed and workers may not activate lifts in the area until procedures are completed to deactivate and lockout the conductors.

1.2 GOVERNMENT-FURNISHED ITEMS

A. The Government may furnish products and materials for incorporation into the work.

1. The government will arrange and pay for delivery of government furnished items to the project site based on the contractor’s approved construction schedule.

2. After delivery, the government will inspect delivered items for damage. If items are damaged, defective, or missing, the government will arrange for replacement.

3. The contractor is responsible for receiving, unloading, and handling government furnished items at project site for use in the work.

4. The contractor is responsible for protecting government furnished items during storage, handling, and the work, including damage from exposure to the elements.

5. If government furnished items are damaged as a result of the contractor’s operations, the contractor shall repair or replace the items in-kind.

B. Government-Furnished Items: The government will furnish the following products or materials for use on this contract: None anticipated

1.3 PUBLIC USE OF THE SITE

A. General: The project site will be closed to the public during construction. The contractor shall at all times conduct his operations to ensure the least convenience to the public.

Temporary closures may be permitted upon specific written approval of the contracting officer.

1.4 CONTRACTOR USE OF SITE

A. General: Limit use of the site during the construction period to the project area limits as outlined on the attached site map. Do not disturb portions of the site beyond the project area limits.

B. Park Entry: The contractor shall furnish a list of personnel with phone contact information.

Vehicles associated with the contractor shall be waived entrance fee upon entering in a marked company vehicle or by providing the names of employees entering in personal vehicles. The entrance fee is waived only for the purpose of reporting directly to a specific

PARK – PMIS # 01 11 00 - 3

work location. Any deviation for recreational purposes is subject to payment of required entrance fees.

C. Site Access: The contractor shall access the project site as outlined on the attached site map.

Do not drive vehicles off road or access non-project areas without permission from the contracting officer or park superintendent.

D. Park Regulations: Ensure all personnel (contractors, subcontractors, and vendors) entering or working in the park are familiar with and obey all park regulations. Law enforcement rangers will intervene if they perceive any unsafe or unlawful activity.

E. Working Hours: Regular work hours shall be limited to daylight hours from 6:30 a.m. until

4:30 p.m. Monday through Friday, excluding government holidays. Work outside regular hours requires approval from the contracting officer.

F. No Smoking Policy: Smoking is prohibited inside or outside within 25 feet of any buildings in the park. This applies to existing buildings, buildings under construction, and buildings under renovation. Discarding of tobacco products or debris anywhere other than into designated tobacco receptacles is considered littering and subject to fines.

G. Staging and Storage: Confine storage of equipment and materials to the staging / lay-down / storage areas identified at the preconstruction meeting.

H. Parking: The contractor shall park vehicles and heavy equipment in designated areas for contractor use or as established at the preconstruction meeting. Vehicles are not permitted within long-term or overnight parking along roads or in associated overlooks / pull-outs.

I. Driveways and Entrances: The contractor shall keep driveways and entrances serving the premises clear and available to the government, government employees, and emergency vehicles at all times.

J. Preservation of Natural Features: Prevent damage to natural surroundings. Restored damaged areas and replace damaged trees, vegetation, and grass at no expense to the government.

1.5 REFERENCE DOCUMENTS / REPORTS

A. General: The following reference documents / reports are available upon request to supplement the information specified in the contract documents: Not applicable

END OF SECTION 01 11 00