Specifications include, but are not limited to: CHASSIS Chassis provided shall be a new, tilt-type custom fire apparatus. The chassis shall be manufactured in the apparatus body builder's facility eliminating any split responsibility. The chassis shall be designed and manufactured for heavy-duty service, with adequate strength and capacity for the intended load to be sustained and the type of service required. WHEELBASE The wheelbase of the vehicle shall be no greater than 256.5". GVW RATING The gross vehicle weight rating shall be a minimum of 66,800. FRAME The chassis frame shall be built with two (2) steel channels bolted to five (5) cross members or more, depending on other options of the apparatus. The side rails shall be heat-treated steel measuring 10.25" x 3.50" x .375".