Specifications

Proposal Number PSDF #P09-0004
The chassis shall be designed and manufactured for heavy duty fire service with adequate strength and capa-
city for all components as detailed within these specifications.
CHASSIS FRAME
The frame shall be designed to industry standards. The manufacturer shall provide a life time frame
warranty to the original purchaser of the chassis.
The rails shall be 110,000 psi minimum yield and shall have a minimum section modulus of 16.50 cu. in.
calculated by using the square corner shape method. The resulting frame rail resistance to bending moment
shall be 1,950,000 in. lb. per rail.
To insure the maximum clamp load for the fastener prevailing torque the crossmembers shall be bolted in
place using grade 8 bolts, hardened washers, and grade C distorted thread locknuts. Flanged head fasteners
shall not be acceptable. The top of the frame rails shall be free of bolt heads.
The frame rails shall be powder coated prior to chassis painting to reduce the effect of harsh road chemicals.
FRONT BUMPER
A 10" high heavy-duty 10 gauge, polished stainless steel, wrap around, 2-rib front bumper shall be provided
the full width of the cab.
BUMPER EXTENSION
The front frame extension shall be bolted directly to the main rail. The extension and main rail joint shall
have a 3/8" thick side plate for reinforcement. The completed apparatus must be able to be lifted at the front
bumper without structural damage to the front extension for towing of a disabled vehicle.
The front bumper face shall extend 21 inches ahead of the front face of the cab skin.
GRAVELSHIELD
A gravelshield shall be installed filling the area above the extension rails. This gravelshield shall be
constructed of .125" thick NFPA non-skid, bright, non skid, aluminum treadplate. The gravelshield shall be
supported at the front by the top flange of the stainless steel bumper. At the rear, the gravelshield shall be
supported by a steel substructure.
CENTER HOSE REEL
A well shall be installed in the center of the gravelshield. The well shall be constructed of .125" aluminum.
The upper edges of the hose well shall be tapered to allow for smooth, snag free removal of the hose. In the
well shall be installed an electric rewind hose reel installed. One hundred Fifty feet of 1” Reel-Tex hose (
One 100’ and One 50” sections) shall be furnished. An opening in the bumper for hose rollers shall be
furnished to deploy the hose without opening the cover. The hosereel shall be mounted between the bumper
extension rails.
A diamond plate hinged cover shall be furnished. A "D-Ring" handle shall be used to open the lid with a gas
shock to hold the lid in the open position.
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