Specifications include, but are not limited to: CHASSIS 5.01 Configuration shall be three wheel, rear steer. Front steer configurations shall not be acceptable. 5.02 For safety, steering strut shall have dual tires. Single tire steer wheels shall not be acceptable in case of flat tire. 5.03 To protect the target vehicle receiving the hopper discharge, sweeper shall have permanently fixed heavy-duty steel bumpers with rubber padding, capable of limiting the forward movement of the sweeper before the sweeper drive wheels or chassis can impact the target vehicle. 5.04 For maximum strength, chassis shall be fully welded; formed channel and boxed tube style. Bolt together chassis shall not be acceptable due to limited structural strength. 5.05 Chassis shall have front and rear tow hooks. 5.06 Engine compartment cover shall have two raising assist cylinders. 5.07 Rear axle shall be strut type, having a minimum capacity of 7,400 lbs. 5.08 Front axles shall be stub type, each having a minimum capacity of 10,000 lbs. 5.09 For additional ease-of-access and daily cleaning of main broom and conveyor compartment(s), there shall be "Quick-Clean" access panels located on Left Hand and Right Hand sides of chassis; able to be removed/mounted without the use of any tools.