Specifications include, but are not limited to: Retrofit Snow/Ice Removal Trucks: KYTC District 1 The snowplow unit shall be of the straight blade reversible type. The moldboard shall be a minimum of ten (10) feet long and thirty-four (34) inches high and shall be constructed with a minimum of six (6) vertical ribs. The unit shall be curved for proper rolling of snow forward for high-speed snow removal. The moldboard shall have an integral, curved snow shield that extends a minimum of twelve (12) inches ahead of the cutting edge. The moldboard thickness shall be a minimum of ten (10) gauge steel and shall have a two-piece cutting edge of five (5) feet, with a minimum size of one-half inch thick by six (6) inches wide, and be equipped with standard highway punchings. The unit shall be equipped with a trip spring assembly to prevent damage to the plow and the truck. This assembly will permit the moldboard to trip forward when the plow strikes an obstruction and then return to its normal position when the obstruction is removed. The unit may be equipped with adjustable skid shoes or wheels to stabilize the plow. The hinge point center of the snowplow unit shall be a minimum of sixty (60) inches. The plow assembly shall be equipped with a hydraulic mechanism to turn the moldboard to any desired position, to a maximum of thirty-five (35) degrees to the right or to the left from the centerline and lock, or remain fixed in position. The force on the blade will not exert a force on the hydraulic system in order to hold the blade in the correct position. The hydraulic unit and any hoses provided shall be rated for a minimum of 2500 pounds per square inch. The unit shall be recommended for a 33,000 gross vehicle weight dump truck equipped with a 12,000- pound front axle or a 48,000 G.V.W. tandem equipped with a 12,000-pound rated front axle. The unit shall be equipped with a heavy-duty bumper-to-frame hitch assembly, with adjustable arms that attach the unit to the front axle with a swivel bracket that allows the axle to move independent of the push frame. *All pushing force will be transmitted to the truck frame through the bumper attach points. The hitch assembly shall be designed for a snowplow unit weighing more than 1500 pounds. The distance between the front bumper of the truck and the centerline of the front axle will be approximately fifty (50) inches. The plow shall be raised hydraulically and shall have a minimum lift of ten (10) inches from road surfaces with a cylinder having a minimum bore of three and one-half inches, inside diameter.
