Summary of Specifications:
BID SPECIFICATIONS FOR PORTABLE ASPHALT MILLING-RECYCLING ATTACHMENT
These specifications shall be construed as the minimum acceptable standards for a portable asphalt milling-recycling attachment, which attaches to the front of a backhoe/loader, and shall be complete with a trailer specifically designed to transport the unit from one job to the next. Should the manufacturer’s current published data or specifications exceed these standards, the manufacturer’s standards shall be considered minimum and shall be furnished. All integral parts not specifically mentioned in the scope of these specifications that are necessary to provide a complete working unit shall be furnished. Additionally, the machine offered for bid shall include all standard manufacturers’ equipment. The portable asphalt milling-recycling attachment must be a new current production model and must meet all current EPA and other Federal standards. The use of specific names and numbers in the specifications is not intended to restrict the bidder or any seller or manufacturer, but is intended solely for the purpose of indicating the type, size and quality of equipment considered best adapted to the uses of counties participating in this joint bid. COMPLY ENGINE YES/NO Water cooled, five (5) cylinder tier 2 turbo diesel developing
99 hp at rated RPM. Shall be equipped with 12-volt electrical
system including starter, battery, wiring harness, and
alternator. Shall be equipped with engine manufacturer’s
approved air cleaner, oil, and fuel filters, adequate exhaust
system, and all necessary gauges and equipment for efficient
operation including tachometer, oil pressure, engine oil
temperature, belt tension indicator, skid foot down pressure
indicator, and hydraulic filter back pressure. Shall contain
an engine management shut-down system that includes: low oil pressure fault, high oil temperature fault, low voltage
indication fault, fan belt breakage fault, hour meter, and
starter protection lockout. __________ CONTROL BOX Shall be remote type, which can be in the cab of the backhoe/ loader to allow the operator to monitor engine functions without leaving the cab. Shall include engine fluid temperature, pressure, and tachometer. Shall include emergency stop button. __________
CUTTER HEAD ASSEMBLY Assembly shall be securely attached to the machine’s main frame, enclosed by heavy-duty cowling. Shall be equipped with a hatch to allow inspection and maintenance of the cutter head. Minimum
cutting depth of approximately 10” (ten inches). Shall have a
standard cutting width of 30” (thirty inches). Shall have a minimum of 76 snap-in bits with washers mounted individual blocks. The
cutter head and housing shall be designed so that only pulverized materials leave the cutter head assembly. __________ CUTTER HEAD DRIVE The power from the engine shall be transmitted to the cutter head through a power take-off system and V-belts to a planetary reduction gearbox at the cutter head. __________
MOUNTING SYSTEM Unit shall be designed and recommended by the manufacturer to
attach to the front bucket of loader/backhoe with a minimum 1.8
cubic yard bucket. Shall have hydraulically actuated pressure bucket locking system. Attachment system shall allow the backhoe/loader to load and unload the machine from its transport trailer. All necessary parts and accessories required for attachment to the backhoe/loader shall be furnished. __________
TRAILER Shall be heavy-duty (7,500-lb. minimum) single axle trailer specifically designed by the manufacturer for transporting the asphalt milling/ trenching/recycling machine. Furnished frame shall be constructed of steel channel rectangular steel tubing with all welded construction. Shall have steel wheels, hubs shall run on tapered roller bearings. Tires shall be of size and load carrying capacity to handle unit at highway speeds. Shall have steel fenders covering the tires. Shall be equipped with electric brakes and automatic breakaway system in compliance with current ICC requirements, and adjustable trailer coupler for varying pintle or ball heights. Shall come with 4-independent attachments that secure machine to trailer. Shall have 70 grade safety/ breakaway chains with ratchet style load binders. Shall have lockable toolbox, tongue jack, and all necessary lights and reflectors to meet DOT and ICC requirements. __________
WEIGHT Milling/trenching/recycling machine (without trailer) shall have a Maximum weight of 4,800 pounds. __________
ADDITIONAL EQUIPMENT Three tools for changing cutter bits and an extra set of carbide bits and blocks shall be provided. Two safety chains with latching hooks shall be included. __________ COLOR Units shall be primed and painted with factory standard colors. Shall include manufacturer’s standard warning, safety, and
Instructional decals. Shall have identification decal. __________
TRAINING The successful bidder shall furnish qualified personnel to instruct operators and service technicians on operation and maintenance of units purchased under this specification. Up to (8) eight hours of training in the correct use and maintenance of the machine will be given at time of delivery. __________
ASSEMBLY Unit shall be assembled, adjusted, and made ready for continuous operation at time of delivery. All necessary parts, accessories, and tools for efficient operation of this unit shall be furnished whether or not they are specifically mentioned in this specification, including standard equipment as regularly furnished by the manufacturer, unless specifically excluded by this specification. __________
