Specifications include, but are not limited to: 1.1 For safety, service, parts availability, etc., the chassis shall be a commercially available conventional cab type configuration (Freightliner M2). 1.2 The wheelbase shall not exceed 136 inches. The cab to axle shall be not greater at 70 inches. 1.3 Gross Vehicle Weight Rating (GVWR) shall not be less than 33,000 pounds. 1.4 For safety, certification of Federal Motor Vehicle Safety Standard (FMVSS) compliance must be submitted with the proposal. Failure to comply will result in proposal being rejected as "non-responsive". 1.5 Chassis shall be capable of safely propelling the sweeper, loaded to the maximum GVWR, under all normal sweeping and transport conditions. 1.6 Vehicle shall be rated for carrying an 11,000 pounds load in the hopper at highway speed of 60 miles per hour (MPH) and should not be speed restricted the tire limitations. 1.7 Speed shall be governed at 65 MPH. 1.8 Front axle shall be an I-beam type: with a minimum capacity of 10,000 pounds. Front axle shall have leaf spring suspension and shock absorbers as standard equipment to avoid high stress area and cracking of the chassis. 1.9 Rear axle shall have a minimum capacity of 23,000 pounds. 1.10 Rear suspension shall be provide a minimum capacity of 23,000 pounds. 1.11 Rear axle shall provide a full width heavy duty, 80 inch track. 1.12 Two speed rear axle shall have a 6.17/8.42 ratio. An auxiliary transmission for sweeping is not acceptable. 1.13 Turning radius shall no exceed 20 feet curb to curb. Front axle steering cut shall be 50 degrees minimum. 1.14 Brakes shall be full air dual circuit type with auto slack adjusters, front and rear. Rockwell WABCO ABS brakes shall be supplied. Hydraulic brakes shall not be acceptable. 1.15 Air compressor shall be 18.7 CFM with a Bendix AD-9 air dryer. 1.16 Parking brake shall be spring applied rear wheel drum and shoe. 1.17 Access to frame on both sides of machine for jacking purposes shall be available.