A-A-58003F
2.1 Administration.
2.1.1 Environmental conditions.
2.1.1.1 Altitude. Unless otherwise specified (see 6.2), the vehicle, including the pumping system,
shall be designed for operation at 2,000 feet above sea level.
2.1.1.2 Temperature range. The vehicle shall be capable of satisfactory storage and operation in
temperatures ranging from 0° to 125°F. The vehicle shall be equipped with a cab, chassis, and
firefighting agent winterization system, permitting full operation at 0°F. The winterization
system shall not detract from the performance of the vehicle or the firefighting system in ambient
temperatures up to 125°F. The vehicle chassis winterization system shall maintain the engine
coolant, lubricants, fuel, and electrical systems operational at ambient temperatures of 0°F. The
vehicle agent winterization shall provide protection of the agent pump, agent piping system(s),
firefighting systems, and water tank to 0°F. The vehicle agent winterization system shall provide
sufficient insulation and heating capacity, by means of either hot circulating liquids, immersion
heaters and/or forced air heat exchangers, to permit satisfactory operation of the vehicle and
firefighting systems for a 2-hour period at ambient temperatures as low as 0°F with the vehicle
fully operational and the engine running. At the end of this 2-hour period, the vehicle shall be
capable of successfully discharging its agents from all discharges. All compartments not
winterized shall be marked on the interior of the compartment as not winterized and not to be
used for storage of items subject to freezing. While in operation, the systems requiring
winterization shall be powered by the vehicle. While in storage, the winterization system shall be
powered through the electrical shoreline connection (see 2.10.2). When specified (see 6.2), the
truck shall be designed to operate for a 2-hour period at ambient temperatures as low as -40°F.
At the end of this 2-hour period, the vehicle shall be capable of successfully discharging its
agents from all discharges.
2.1.2 Foreign object damage. All loose metal parts, such as pins and valve caps, shall be securely
attached to the vehicle with wire ropes or chains. "Dog tag" style beaded chains shall not be
provided. Removable panels, if provided, shall be attached with captive fasteners.
2.1.3 Roadability.
2.1.3.1 Operating terrain. The 4x2 vehicle shall operate on paved and graded gravel roads; the
4x4 version shall also operate on off-road (cross country) terrain.
2.1.3.2 Acceleration. The fully loaded vehicle shall accelerate from 0 to 35 miles per hour (mph)
within 25 seconds on a level, paved road.
2.1.3.3 Minimum speed. The fully loaded vehicle shall attain a minimum top speed of 50 mph on
a level, paved road.
2.1.3.4 Gradeability. The fully loaded vehicle shall be able to maintain a speed of at least 20 mph
while ascending any paved slope up to and including 6.0 percent. The fully loaded vehicle shall
also be able to maintain a speed of at least 5 mph while ascending any paved slope up to and
including 30 percent.
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