Specifications include, but are not limited to: 1. Scope: This specification covers the State of New Hampshire Department of Transportation’s minimum requirements for a 3 – ton asphalt hot box reclaimer. These specifications describe an asphalt recycler & hot box capable of: Heating and re-heating cold patch asphalt. Transporting hot mix, keeping it hot all day and holding hot mix asphalt overnight Recycling asphalt chunks and millings 2. Requirements: General: All new current production equipment. All manufacturers standard equipment for the make and model offered, not in conflict with the requirements of this specification, must be furnished. 2.1 – Hopper construction. Walls: - Hopper is of triple wall construction and has three parallel walls (inner, middle and outer) - Hopper floor and all four hopper walls are heated - a) Hopper is heated by an air-jacket below the hopper floor and between the inner and middle hopper walls - All walls must be of one-piece, seamless steel construction - All front and side hopper walls are parallel and angled (inner, middle and outer) - The tops of all three steel layers of the front and rear hopper walls angled to create a 2" slope. - Complete area between middle and outer walls is filled with 8 lb density, 2" mineral wool insulation - Top of hopper walls secured to each other with 10-gauge steel capping channel and side hopper walls secured to each other with 10-gauge steel corner molding, stopping hopper from losing its shape over time Zip screws may not be used in the construction of the hopper. 2.2 -Burner box: - Located below the hopper floor. Constructed of 15.3# channel iron with dimensions of 10” high, 51” long and 34” Wide. - Insulated with 1” ceramic blanket on all four walls and the floor
