A-A-58005 Truck, Fire Fighting \(Telescoping Aerial Ladder And Work Platform\)This commercial item description \(CID\) covers an aerial ladder fire truck. It has a 6x4 chassis with a diesel engine and an automatic transmission; a cab for at least five seated persons with at least four doors; a 1,250 gallon per minute \(gpm\) fire pump; a water tank with a capacity of at least 150 gallons; hose storage areas; an aerial ladder with a permanently mounted waterway and work platform; ground ladders; and equipment compartments. The aerial ladder truck is intended to combat structural and associated fires, and to support fire fighting and rescue operations by positioning personnel, handling materials, providing continuous egress, or discharging water at positions elevated from the ground.

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A-A-58005C

2.4.4 Warning lights. All warning lights shall use light emitting diode (LED) elements. The

warning light system, related components, and devices shall be in accordance with 13.8 of NFPA

1901.

2.4.4.1 Light bars. A six element LED light bar, or two three element LED light bars, with both

forward and side facing heads, shall be mounted on the cab roof. Forward facing lenses shall be

red-white-red-red-white-red, with the white lights switched off in blocking right-of-way mode.

Rearward facing lenses shall be red-amber-red-red-amber-red. The light bar shall be separately

switched from the warning light panel. All trucks shall be equipped with a steady red front

warning light as required by California state law regardless of shipping destination.

2.4.4.2 Warning light color. When specified (see 6.2), the rearward, red lights shall be replaced

with amber. When specified (see 6.2), all red warning and lights shall be replaced with blue.

2.4.4.3 Headlight flashing system. A high beam, alternating/flashing, headlight system shall be

provided. The headlight flasher shall be separately switched from the warning light panel.

2.4.5 Audible warning devices.

2.4.5.1 Siren. The vehicle shall be equipped with an electronic siren system. The amplifier unit

shall include volume control and selection of "Radio," "PA," "Manual," "Yelp," "Wail," and "Hi-

Lo" (European) modes, and a magnetic noise canceling microphone. The amplifier, microphone,

and controls shall be within reach of the driver and right front passenger. Siren activating foot

switches shall be located in front of the driver and the right front passenger. The siren speaker

shall be rated at 100 watts minimum and shall be located in a guarded position in the front

bumper.

2.4.5.2 Horn. Dual forward facing air horns shall be installed in protected locations near the front

of the truck. Air horn activating foot switches shall be located in front of the driver and the right

front passenger.

2.4.6 Work lighting.

2.4.6.1 Cab interior lights. Cab interior light levels shall be sufficient for reading maps or

manuals.

2.4.6.2 Compartment lights. White lighting sufficient to provide an average minimum

illumination of 2.0 foot-candle shall be provided in each compartment greater than 4.0 cubic feet

and having an opening greater than 144 square inches. Where a shelf is provided, this

illumination shall be provided both above and below the shelf. Lights shall automatically

illuminate only when the respective doors are opened.

2.4.6.3 Ladder, step, and area lights. Non-glare white lighting shall be provided at ladders and

access steps where personnel work or climb during night operations. These area lights shall be

controlled with switches on the cab instrument panel and near the light sources.