Specifications for Dual Engine Street Sweeper.docx

SPECIFICATIONS FOR

DUAL-ENGINE, SIX-WHEEL

STREET SWEEPERS WITH BELT CONVEYOR

GENERAL: Street sweeper furnished under these specifications shall be a new, current model year or newer six-wheel configuration, dual engine (separate engines for propulsion and sweeping), 4.5 cubic yard right side high dumping hopper, automatic transmission, dual engine, dual steering and operator controls, cleated belt conveyor, and left and right-side brooms with variable down pressure controlled from cab. Vehicle shall be supplied with all equipment and accessories indicated as standard equipment in the manufacturer’s literature.

Specify Mfr. & Model ________________________________________

All equipment furnished under this specification shall comply with the most current Federal Motor Vehicle Safety Standards, Federal Environmental Protection Agency engine emission standards as new motor vehicle standards and the current requirements of Nevada Revised Statues.

CHASSIS: COMPLIES ___YES NO____

Chassis shall be conventional design with a minimum GVW rating of 33,000. Vehicle shall have vertical exhaust and be capable of travel speed of 65 mph. Vehicle shall also include the following:

· Two (2) frame mounted front tow hooks

· Hydraulic power steering

· Automatic air tank drain valves

· Hour meter

· In-cab air cleaner restriction indicator for main and auxiliary engines

· Rear engine top cover

Specify GVW Rating ________________ Travel Speed ____________

CAB: COMPLIES ___YES NO____

Conventional design cab. Steering shall be full power, dual operator controls with tilting steering wheels. Shall have left/right primary driver switch. Cab shall be equipped with a 12-volt power point plug.

Additional cab features to include:

· Each operator’s position shall have adjustable sun visor.

· All glass shall be tinted safety glass

· Dual arm rests

· 12-volt power plug

HOOD: Hood shall be fiberglass or composite tilting type. COMPLIES ___YES NO____

MIRRORS: COMPLIES ___YES NO____

Shall be equipped with two (2) West Coast type mirrors with lower 8” convex mirror. To maximize operator visibility, an 8” outside right hand fender mirror shall be mounted forward of the front wheels.

SEAT:

Seats shall be adjustable, cloth covered with three-point seat belts National Seat PN# NTS40113 50AA35 or approved equivalent.

Specify Mfr. & No. ______________________________

COLOR:

The complete unit shall be primed with etching catalyzed primer and complete unit is to be painted manufacturers standard “Brite White” or equal (may be single stage or dual stage paint) at a thickness of 5 mil with the exception of the frame rails. No chrome or aluminum accessories shall be painted.

BUMPER: Full width manufacturer standard bumper. COMPLIES ___YES NO____

ENGINE: COMPLIES ___YES NO____

Shall be minimum 6.7 L six-cylinder turbocharged diesel, minimum 280 hp @ 2400 rpm, 660 lb-ft @ 1600 rpm. Engine shall be equipped with block heater.

Specify Minimum HP _____________ @ 2400 RPM

AIR CLEANER: COMPLIES ___YES NO____

To be manufacturer’s single stage dry-type air cleaner with safety element, must include dash mounted service indicator. Air cleaner must be approved by engine manufacturer.

COOLING SYSTEM: COMPLIES ___YES NO____

Shall be equipped with a heavy-duty high efficiency cooling radiator with increased coolant capacity, coolant anti-freeze rated to -34° Fahrenheit and shall be equipped with a viscous fan clutch. Fan shall be fully shrouded. Cooling system shall be capable of maintaining a safe driving temperature in extremely hot or cold weather. All hoses shall be silicone type with constant torque clamps.

EXHAUST SYSTEM: COMPLIES ___YES NO____

Shall be equipped with a single vertical muffler with diesel particulate filter.

Specify Fuel Tank Capacity ___________________________________

DEF Tank: Shall be equipped with a DEF tank sufficient enough to match the size of the fuel tank at a minimum ratio of two (2) tanks of diesel fuel to one (1) tank of DEF.

Specify DEF Tank Capacity ___________________________________

TRANSMISSION: COMPLIES ___YES NO____

Shall be Allison 2500 automatic with heavy-duty oil cooler. An external spin on transmission filter is to be included with the Allison transmission.

POWER STEERING: COMPLIES ___YES NO____

Steering shall be full power, dual operator controls with tilting steering wheels.

SUSPENSION: COMPLIES ___YES NO____

Air spring suspension shall be required. System shall have automatic height control valves to maintain ride height during transport. System shall allow the release of air from the air spring to hard rubber bisques for solid axle performance during sweeping operations and full stability while dumping at minimum to full dumping height. Control of air spring suspension shall be by a single transport/sweep switch on the control console.

AXLE FRONT:

Front axle will have a minimum capacity of 12,000 lbs., with shock absorbers.

Specify Front Axle Capacity __________________________

AXLE REAR:

Minimum capacity of 21,000 lbs. with gear ratio of 6.17/8.40:1 and air spring suspension.

Specify Rear Axle Capacity ________________ Gear Ratio ___________________

BRAKES: COMPLIES ___YES NO____

Shall be equipped with non-asbestos lining. Service brakes shall be "S" cam type on front and rear wheels, full air with warning buzzer; air gauge shall be dash mounted; compressor shall be piston type, water cooled, to be engine crankcase lubricated, minimum 18.0 CFM capacity. Rear brake chambers to be Type 30, front brake chambers to be Type 20 (or equal), all brake chambers shall be of the sealed type. Brakes shall be provided on front and rear wheels and shall be equipped with dust shields or backing plate. Truck shall also be equipped with a heated air dryer. Air dryer must be easily accessible. Truck will be equipped with automatic slack adjusters on all wheels. Parking brake shall be spring applied rear wheel drum and sho

TIRES: COMPLIES ___YES NO____

Shall be equipped with six (6) major name brand, 11R22.5 tubeless steel belted radial Highway rated tires, load range G, 14 ply rating. All tires must be balanced using lead wheel weights prior to delivery. Steel weights and powder are not acceptable.

WHEELS: COMPLIES ___YES NO____

Shall be equipped with six (6) 22.5 x 8.25 DC 10-hole hub piloted steel disc type, powder coated, Brite White wheels, rated @ 7,400 lbs.

ELECTRICAL SYSTEM: COMPLIES ___YES NO____

12-volt coded wiring and to include the following:

· All DOT mandated lights and reflectors.

· Minimum of 130 AMP brushless alternator.

· Circuit breakers in lieu of fuses.

· Switches shall be clearly marked and illuminated for nighttime operation.

BATTERY: COMPLIES ___YES NO____

Heavy-duty "MAINTENANCE FREE” batteries, 12-volt with minimum CCA rating of 1850 at 0 degrees Fahrenheit.

GAUGES: COMPLIES ___YES NO____

All gauges shall be of the registering type consisting of the following:

· Speedometer

· Odometer

· Tachometer

· Engine hour-meter

· Voltmeter

· Engine Oil Pressure

· Engine water temperature

· Fuel/Def

· Dual Air gauges

· Air cleaner service indicator

· Low coolant level warning light and chime

· High coolant temperature warning light and chime

Chassis left side operator instrument panel shall be OEM, full vision illuminated with tachometer, speedometer, odometer, trip odometer, hour meter, trip hour meter, fuel gauge, water temperature gauge, oil pressure gauge, transmission temperature gauge, air pressure gauge, and volt gauge.

Chassis right side operator instrument panel shall be OEM, full vision illuminated with tachometer, speedometer, fuel gauge, water temperature gauge, oil pressure gauge, transmission temperature gauge, air pressure gauge, and volt gauge. Console shall have left/right primary driver switch.

RADIO: COMPLIES ___YES NO____

Shall be equipped an AM/FM/CD player factory installed

AIR CONDITIONER/HEATER: COMPLIES ___YES NO____

Factory installed. Maximum BTU/HR available with radiator or grille mounted condenser.

HORNS: Shall be equipped with an electric horn. COMPLIES ___YES NO____

LIGHTS: COMPLIES ___YES NO____

Shall be equipped with halogen high/low beam headlights, combination tail and stop lights, directional lights with 4-way flasher hazard switch, backup lights, interior cab light, clearance lights and rear ID lights. Vehicle shall be equipped with a cab center mounted LED Amber strobe light.

Note: All lights to be LED style lights

BACK UP ALARM: COMPLIES ___YES NO____

Shall be equipped with electronic type back up alarm. Db range 87 to 107 mounted so that alarm is clearly audible. Must be OSHA approved.

WINDSHIELD WASHERS: COMPLIES ___YES NO____

Shall be equipped with electric windshield washers with large capacity reservoir.

WINDSHIELD WIPERS: COMPLIES ___YES NO____

Shall be equipped with heavy-duty, intermittent, cowl mounted, electric wipers with heavy-duty arms, blades, and linkage.

FIRE EXTINGUISHER: COMPLIES__YES NO___

Vendor shall provide one (1) each 5lb., refillable, ABC type Fire Extinguisher with metal head and mounting bracket Amerex Part Number AMER-862 or NDOT approved OEM fire extinguisher and bracket that meets the 5lb. specification. Note: Extinguisher to be mounted by NDOT.

CHOCKS: COMPLIES ___YES NO____

Vendor to provide two (2) wheel chocks and holders sufficient to hold the weight of the unit being bid. Note: Metal wheel chocks will not be accepted.

SWEEPER MODULE:

BATTERY:

Heavy-duty "MAINTENANCE FREE” battery, 12-volt with minimum CCA rating of 1000 at 0 degrees Fahrenheit.

Specify CCA Rating ________________

BROOM MAIN: COMPLIES___YES NO___

Shall be not less than 60” long and not less than 35” in diameter, double wrapped at both ends. Broom shall be driven by a directly mounted hydraulic motor. Broom speed shall be variable and controlled in the cab by the operator while moving. Sweeping path shall not be less than 10’ wide with right and left brooms activated. Broom shall be pneumatically raised and lowered. Broom down pressure shall be adjustable by the operator from the cab while sweeping. Broom shall stop and raise when transmission is placed in reverse. Broom shall be equipped with a steel main broom hood, to prevent material from being thrown into following traffic and also capable of channeling overthrow back into the dirt chamber. Plastic hood shall be not acceptable due to debris exposure and cracking. Main broom shall be equipped with a one (1) LED work light mounted on the right-hand side.

Specify Length ____________________ Diameter ________________

BROOM REGULATORS: COMPLIES___YES NO____

Dual main broom regulators provided in the cab. Regulators shall be used to adjust the main broom down pressure side to side.

BROOM SIDE: COMPLIES ___YES NO____

Shall be minimum 46” in diameter, protruding not less than 13” beyond the outside of the tire of the chassis while sweeping. Broom shall consist of five (5) plastic segments, filled with 26” long tempered steel wire. Brooms shall be driven by a hydraulic motor directly mounted to the broom disc plate. Broom speed shall be variable and controlled in the cab by the operator while sweeping.

Broom rotation (forward/reverse) shall be selectable in the cab by the operator. Broom rotation shall stop and raise automatically, when transmission is placed into reverse or when sweeper is in transport mode. Due to curb and road obstructions in the roadway a trailing arm design shall be supplied with vertical digger brooms. Forward facing digger type arm assembly is not acceptable.

Electrically operated tilting mechanism that allows operator to change inward/outward tip of the right and left side brooms to 20°. Angle can be changed individually from the cab while sweeping. This allows efficient sweeping of irregular surface that could require special manual settings of the broom.

To hold broom pattern regardless of up and down motion, arm suspension design shall be parallelogram type. Broom down pressure shall be operator adjustable from the cab while sweeping or stationary. Each broom shall be equipped an LED work light.

Specify Broom Diameter _________________________

CONTROLS: COMPLIES ___YES NO____

Sweeper controls shall be mounted on a fixed operator’s console located between the left and right operators position. Controls shall include all sweep, hopper, elevator, and lighting functions. Switches for sweep, water spray, and lighting functions shall be conventional rocker switches. Membrane or touch pad switches shall not be accepted. Unit shall include a sweep resume option, sweep resume shall pick up and stow all sweep gear by operating one switch. Reactivating the switch shall engage all sweep gear to preset operating conditions.

CONVEYOR: COMPLIES ___YES NO____

Shall be high strength belt type with molded full width cleats. Squeegee type flight system shall not be accepted. Conveyor shall be capable of effectively sweeping debris of varying sizes (trash 9 inches in height to fine sand) without the need to make any adjustments to the conveyor. Lower portion of conveyor shall be capable of raising 9” while sweeping. Conveyor rotation (forward/reverse) shall be selectable from the cab without stopping any broom. Conveyor speed shall be variable for the cab. Conveyor shall automatically stop and raise when transmission is placed in reverse or transport mode. Conveyor shall include an audible position alarm providing a warning to the operator when in “hopper dump” mode. Conveyor shall be able to load hopper to 100% of rated useable capacity. Conveyor to be equipped with a wear resistant hardened steel lower conveyor roller.

ELECTRICAL: COMPLIES ___YES NO____

Sweeper electrical system shall be independent from the chassis electrical system. Sweeper shall have a 12-volt 120-amp alternator. Sweeper wiring harness shall be color coded and hot stamped with appropriate word designation labeled every four inches, i.e. “Ignition”, “Side Broom” on each wire. All circuits must be protected by circuit breakers. Sweeper shall have a rear facing back-up camera.

ENGINE: COMPLIES ___YES NO____

Shall be a four cylinder, turbocharged, diesel engine, minimum 74 horsepower @ 2400rpm, 195 lb-ft of torque @ 1700 rpm, Tier IV Final. Engine shall be equipped with a full flow oil filter, heavy-duty two stage dry element air cleaner with safety element, fuel filter and fuel/water separator. Engine shall be protected by anti-freeze to -34 degrees Fahrenheit.

Shall also include a cab mounted filter restriction indicator. Engine, radiator and all auxiliary engine driven devices shall be isolation mounted through a dedicated engine frame.

Specify HP _______________ @ ____________ RPM

HOPPER ENGINE FUEL TANK: Shall include a minimum 50-gallon single fuel tank.

Specify Tank Capacity __________________________

HOPPER: COMPLIES ___YES NO____

Hopper shall have a volumetric capacity of not less than 4.5 cubic yards with a useable capacity of not less than 3.3 yards. Hopper inspection door shall be provided. Hopper door, sides and top shall be a minimum of 11-gauge steel. The hopper floor shall be a minimum of 7-gauge steel. Hopper shall dump at varying heights through a height of 10’ when measured at the lowest point under the open hopper chute. Hopper shall be able to tilt (dump) to an angle of not less than 50°. Lift mechanism shall be a double stage scissors lift system utilizing two (2) hydraulic cylinders. Lift capacity shall be not less than 11,000 lbs. Hopper dump mechanism shall utilize two (2) hydraulic cylinders with a bore of not less than 3.5” and a stroke of not less than 19.8”. Scissor lift joint shall be equipped with self-lubricating bronze bearings. Hopper shall hydraulically side shift toward hopper receptacle in order to facilitate dumping hopper into another vehicle. Hopper load shall be visible at all times from the cab through a front facing hopper window and an upward facing skylight. To prevent overloading beyond the manufacturer’s GVW rating, unit shall be equipped with a cab mounted “FULL LOAD” warning light that is activated by hopper weight. Unit shall be equipped with safety interlock to prevent dumping without engaging the parking brake. Cab shall be equipped with an “UNLEVEL GRADE” indicator. Sweeper shall not require jack stands and/or outriggers to stabilize the chassis during dumping.

Specify Hopper Capacity ___________________ Lift Capacity _______________

HYDRAULIC SYSTEM: COMPLIES ___YES NO____

Reservoir capacity shall be not less than 32 gallons with outside level indicator. Reservoir vent shall be equipped with a 10-micron spin on filter. Hydraulic oil return lines shall have a 6-micron full flow filter with bypass. Pumps shall be a 26 GPM, three section gear driven pump with dual inlets and a 25 GPM single section piston pump dedicated to the dust control system. Cab shall be equipped with filter restriction indicator that shall light before filter begins to bypass. Hydraulic circuits shall be equipped with quick disconnect check ports for ease of testing. High pressure hydraulic lines shall be equipped with flat face “O” ring type fittings.

Specify Capacity ________________ Specify Pump GPM _____________

LIGHTS: COMPLIES ___YES NO____

Hopper shall be equipped with the following lights:

· One (1) Rear Identification

· Two (2) LED Side Broom (one per side)

· One (1) LED Main Broom spot

· Rear Clearance

· Two (2) LED Amber Strobe Lights (one (1) mounted on the cab and one (1) mounted on the left rear of the sweeper. Strobe lights shall be protected by a metal cage).

· One (1) Amber LED arrow stick shall be mounted on the rear.

The following warning indicators shall be located in the cab

· Hydraulic Filter Restriction

· Air Filter Restriction

· Low Spray Water

· “FULL LOAD”

· “UNLEVEL GRADE”

· Low Voltage

LUBRICATION SYSTEM: COMPLIES ___YES NO____

Automatic lubrication system for the complete sweeper and chassis. Bearing lubrication is automatically delivered to each lube point through individual nylon lines from a 2-liter reservoir. The process is controlled by a solid-state timer with 14 settings between 3.5 to 65 minutes.

PNUEMATIC SYSTEM: COMPLIES ___YES NO____

Shall be equipped with separate air tank for the sweeper air components, with a PR4 air valve to protect the chassis air system. All pneumatic cylinders shall be interchangeable. Pneumatic cylinders shall be rated at 150 PSI and have a separate rod seal and wiper to prevent contamination entering the cylinder.

SPRAY WATER SYSTEM: COMPLIES ___YES NO____

Water tank shall be constructed of non-rusting material. Capacity shall be not less than 350 U.S. gallons. Water pump shall be diaphragm type capable of running dry indefinitely without damage. Pump shall not contain ferrous metal parts that can come in contact with water. Pump shall be capable of adequate flow and pressure to atomize water. Water system shall be equipped with three (3) brass spray nozzles on each side broom and four (4) brass spray nozzles on the rear spray bar. Rear spray bar shall be constructed of non-ferrous components to prevent contamination. Water to the side brooms and rear spray bar shall be controlled in the cab by electrical activation switches. Water flow control valves shall be non-ferrous heavy-duty “AGRICULTURAL” type. A low water indicator light shall be located in the cab. Sweeper shall be equipped with an automatic internal hopper/conveyor flush and wash down system. System shall include a manual bypass valve to divert hydrant water into system without necessitating filling of the water tank.

Specify Tank Capacity ____________________ Pump GPM _____________

Bypass valve shall be located on the curb side of the vehicle. Water fill hose shall not be less than 16’ in length, equipped with a 2 ½” NST hydrant coupler. Vehicle shall be equipped a 25’wash down hose. Vehicle shall be equipped with an inline water filter to prevent contaminants from entering the water tank. Water tank shall be equipped with an anti-siphon device to prevent contamination of water tank supply, compliant to American National Standard Air gaps in plumbing systems ASME A112.12-1991.

SWEEPER INSTRUMENTS: COMPLIES ___YES NO___

· Tachometer

· Hour meter

· Oil pressure gauge

· Volt-Meter

· Air cleaner service indicator

· Low coolant level warning light

· Auxiliary engine running light

· Main broom down pressure

· Hydraulic filter restriction indicator

· Sweeper out of level indicator

· No spray water indicator

· Raised hopper indicator

· Hopper full indicator can be light or gauge

· Console mounted air pressure gauges to indicate side broom hold down air pressure, one for each side broom.

GENERAL BID REQUIREMENTS

NOTE: THE FOLLOWING REQUIREMENTS PERTAIN TO ALL ITEMS LISTED WITHIN THIS BID SPECIFICATION.

DELIVERY/PAYMENT: Delivery shall be considered complete and ready for payment process once all ancillary, allied, optional equipment, and manuals have been received, all systems checked against the specifications and the complete unit is deemed operational.

LINE SHEET: Two (2) Line set tickets shall be furnished with each vehicle.

MANUALS: For each vehicle being built, including cab and chassis, ancillary, allied or optional equipment purchased as built, the following manuals shall be available in hard copy, online or Flash Drive format.

· One (2) Parts Catalogs

· One (2) Shop Manuals

· Three (2) Operator's Manuals

· Two (2) Electrical System Schematics/Drawings

· Note: Vendor to provide all information and / or hyper-links for access to manufacturers online manuals and training.

PRE-BUILD MEETING: Awarded vendor shall schedule a Pre-Build meeting within two weeks of bid award, prior to manufacturing/fabrication, to confirm all build specifications and dimensions.

PRE-DELIVERY SERVICE: Awarded vendor shall perform a complete pre-delivery service prior to delivering the unit to NDOT.

· All Fluids filled to proper levels.

· Cooling system shall be checked and filled to proper level and shall contain extended life antifreeze to -34° Fahrenheit.

· All lights shall be checked to confirm they are in working order.

· All functions of this unit, including all ancillary, allied and optional equipment shall be checked and in working order prior to delivery to NDOT.

SPECIFICATION CONFIRMATION: Factory confirmation of specifications ordered required ASAP after order is placed.

TRAINING: The successful bidder shall be requested to provide a qualified factory authorized service representative to provide four (4) hours mechanical and four (4) hours operator training at the end users location in Winnemucca for an estimated 5 to 50 employees.

WELDING:

· All welds shall be continuous welds on all seams. Skip welds shall not be acceptable.

· All welds shall be free of slag inclusions and under cut. Fillet weld sizes shall be equivalent to the thickness of the least of the jointed plates.

· All material installed shall be new and free of rust.

· All metal shall be thoroughly cleaned, acid etched, primed, and painted at a minimum of 5 mil thickness

· Shall be free of all cracks, dents and defects due to metal fatigue or physical damage.

· All welding shall be done by human and or machine and shall meet or exceed the American Welding Society Standards.

· All welds shall be done using the same welding consumables as the material being welded (no mild steel on stainless steel).

NOTE: Any exceptions to specifications must be noted on a separate document and uploaded into NevadaEPro with your proposal.

OPTIONS: Vendor is requested to provide pricing for the following options:

1. An in-cab control that allows the operator to change the outward $____________ position of the right-hand side broom, up to 10” beyond its standard sweeping position.

2. Hopper Liner to protect the hopper against corrosion and wear, to facilitate $____________ the removal of the debris when dumping. This liner shall provide protection such that the hopper shall be warranted for the life of the sweeper. Bare steels including stainless steels shall not be acceptable.

3. High-Capacity hopper with a volumetric capacity of not less than 5.2 $____________ cubic yards. Useable capacity shall be not less than 4.0 cubic yards. To include hopper inspection door.

4. Heated, power adjustable mirrors controlled from the cab. $___________