Part 2. PUBLIC WORKS TRANSPORTATION REFUELER REPAIR FACILITY
1.
FUNCTION. The refueler repair facility is separate from the other public
works transportation operation and maintenance facilities to remove the
explosive hazard from these areas. For this reason, maximum practical
clearance from other structures is essential. This facility provides for
purging of fuel lines and tanks; safe disposal of flammable liquids; and
overhaul, repair, and maintenance of refueling vehicles and other portable
fuel dispensing equipment.
2.
LAYOUT. This facility layout shall be in accordance with NAVFAC P-272,
Part One and NAVFAC P-80, Category Code 214-30 for space allowance. Each
maintenance and repair stall shall be 20 feet wide by 45 feet long and the
purge pad shall be 16 feet wide by 45 feet long.
3.
ARCHITECTURAL REQUIREMENTS. General architectural requirements are as
given in NAVFAC DM-l and as follows:
a.
Structure and Walls. The building is to be of modular steel girder
construction with insulated concrete masonry unit (CMU) walls, insulated
preformed (corrugated) metal walls, or a combination of the two.
b.
Roof Assembly. The roof shall be insulated metal panels or
insulated built-up roofing assemblies which meet the requirements of
Underwriters Laboratories' Building Materials Directory for fire-acceptable
roof deck construction or Factory Mutual Approval Guide for noncombustible
roof deck construction.
c.
Floors. Concrete floor with hardener shall be provided in the
maintenance and repair stalls. Concrete aprons sloped to drain shall be
provided.
d.
Overhead Doors. Electrically operated insulated overhead doors
shall be specified.
e.
Personnel Doors. Outward swinging insulated doors shall be provided
as required by NFPA 101.
4.
MECHANICAL REQUIREMENTS.
a.
Exhaust System. The exhaust system shall be in accordance with
requirements in NAVFAC DM-3.3. The maintenance and repair area shall be
equipped with an overhead exhaust system with retractable flexible tubing
outlets. The exhaust system shall be a mechanical ventilation system designed
and sized for energy efficient operation.
b.
Compressed Air. The compressed air system shall be in accordance
with requirements in NAVFAC DM-3.5. The compressed air system shall be
adequate in size and volume to provide air for two air outlets for the
maintenance and repair area and one air outlet for the exterior Purge area.
The air outlets shall be overhead outlets mounted on retractable hose reels.
The air outlet located in the purge area shall be suitable for all-weather
operation.
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