Specifications include, but are not limited to: PAINT - COLOR The entire unit shall be painted with manufacturers standard white paint applied over a suitable primer. Pick-up head, gutter brooms and truck frame shall be painted black. DUST SEPARATOR Separation of the dirt from the air stream shall be accomplished by means of an external cylindrical multi-pass centrifugal dust separator with a minimum size of 20" diameter and 22.5" width. The separator shall be designed so that it will not plug with normally encountered debris The separator shall be lined with a bolt-in, replaceable, wear resistant rubber liner for long life. The dust separator shall have a minimum 4-inch diameter port allowing inspection and cleaning of the interior, with an expandable rubber plug and a 25-inch-long extension handle for access. The separator shall incorporate a self-cleaning compartment to trap fine particulates and prevent re-entry into the air stream. HOPPER Hopper shall be constructed of full seam welded steel plate. Hopper size shall be approximately two and four tenths (2.4) cubic yard volumetric measurement with an operating load capacity of not less than two (2) cubic yards. Dumping shall be accomplished by means of hydraulically actuated piggyback cylinders causing hopper to tilt up expelling the load behind the rear wheels. Dump cylinders shall not protrude below sweeper frame. Dump angle shall be a minimum of 143 degrees. The hopper shall have a minimum dumping height of 60". Hopper door shall be opened/closed by means of two hydraulic cylinders. Hopper shall be maintained airtight through use of rubber seals on all doors and openings. Hydraulic cylinder movement shall be controlled with the use of an electric toggle switch located on the exterior of sweeper behind truck cab and in front of the blower housing.