Regentitive Air Street Sweeper.docx

SPECIFICATIONS FOR

A PM 10 COMPLIANT,

REGENERATIVE AIR STREET SWEEPER

GENERAL: Street Sweeper furnished under this specification shall be the manufacturer's current year be a Regenerative Air Sweeper having the latest dust control technology with PM 10 compliance with dual engine (separate engines for propulsion and sweeping). Unit bid must be PM-10 Compliant and be certified by the South Coast Air Quality Management District (California) (SCAQMD). All necessary accessories customarily furnished whether stipulated herein or not, with such modifications and attachments as may be necessary to enable the vehicle to function reliably and efficiently in sustained operation. Further, all vehicles furnished under this specification shall comply with the most current Nevada Revised Statutes, Federal Motor Vehicle Safety Standards, Federal Environmental Protection Agency Emission Control Standards for new motor vehicles (currently vehicles certified prior to the current year requirements shall not be considered).

Street Sweeper shall be used by the Nevada Department of Transportation for street sweeping, year around at altitudes up to 9,000 feet. Road speed shall be 65 MPH at gross vehicle weight rating at manufacturer's R.P.M.

Specify Make & Model ____________________________ Specify Road Speed __________MPH @ ______________RPM

Vehicle bid must include a certification plate stamped 33,000 GVW or higher, and vehicle bid shall meet and or exceed this rating in all component parts.

Note: Final measurements to be determined at scheduled prebuild meeting.

CAB EXTERIOR COMPLIES ____YES NO____

Conventional design Paint: Manufacturers Bright White The complete unit shall be primed with etching catalyzed primer complete unit is to be painted BRITE WHITE at a thickness of 5 mil except for the black frame rails.

Note: Regarding the cab, no chrome or aluminum accessories are to be painted.

WINDOWS: COMPLIES ____YES NO____

Driver and Passenger: Power and tinted.

HOOD: COMPLIES ____YES NO____

Forward tilt type Poly or fiberglass with fenders and inner splash guards Specify Hood composition ___________ Fenders shall tilt with hood.

FRONT BUMPER: COMPLIES ____YES NO____

Standard Full width of vehicle with two (2) tow hooks

MIRRORS: (Heated) COMPLIES ____YES NO____ Manufacturers standard heated, power adjustable side mirrors with dual axis and 8” convex under primary.

Right and left side fender/hood mounted spot mirrors, heated.

WINDSHIELD WIPERS: COMPLIES ___YES NO____

Cowl mounted.

Heavy-duty Intermittent Large capacity washer reservoir

CAB INTERIOR:

SEATS: COMPLIES ____YES NO____

Driver and Passenger Seats:

Cloth Hi-back Air Suspension Air Lumbar Cushion Tilt Dual Arm Rests

GAUGES: (Analog or Digital) COMPLIES ____YES NO____ Dual gauges (L/S and R/S) Primary & Secondary Air Air Cleaner Restriction Indicator (dash mounted) Speedometer Odometer (Left side only) Tachometer Oil Pressure Transmission Temperature Coolant Temperature High coolant temperature warning light and chime Low coolant level warning light and chime Fuel and DEF Voltmeter

HEATER / AC: COMPLIES ____YES NO____

Manufacturers Maximum Available BTU

RADIO: COMPLIES ____YES NO____

Manufacturer’s standard with Blue Tooth, USB and auxiliary inputs

AUXILIARY PLUGS: COMPLIES ____YES NO____

1- 12-volt aux. plug 1 – USB plug

STEERING WHEEL: COMPLIES ____YES NO____

Dual operator controls (Premium) Tilt and telescoping left and right positions.

STEERING BOX: COMPLIES ____YES NO____

Hydraulic Power Dual operator

Specify Displacement: _____________

AIR CLEANER: COMPLIES ___YES NO____

Single stage dry-type with inner safety element.

EXHAUST: COMPLIES ____YES NO____

Vertical Exhaust stack tip: Curved Muffler Guard: Stainless

AIR COMPRESSOR: 18 CFM minimum COMPLIES ____YES NO____

AIR DRYER: COMPLIES ____YES NO____

Bendix Model AD-9SI or current Bendix model.

TRANSMISSION: COMPLIES ___YES NO____

Allison 2500 automatic Heavy-duty oil cooler.

No aluminum spring hangers

Suspension: Manufacturers “heavy duty” multi-leaf spring with leaf spring helper.

No aluminum suspension hangers Differential: single speed

(Must comply with all Federal stopping requirements) Front:

Dust Shields Rear:

Dust Shields

TIRES: COMPLIES ____YES NO____

Front: Highway Type

Rear: Highway Type

Speed Rating: 65 MPH Note: Front tires shall be balanced with external lead weights.

WHEELS: COMPLIES ____YES NO____

Front:

Rear:

ELECTRICAL: COMPLIES ____YES NO____

Batteries: “Maintenance Free” heavy duty CCA rating: 1850 at 0 degrees minimum Specify CCA _________ Battery Disconnect Switch: located inside of cab, factory or dealer installed.

Jumping Posts: External Starter: Heavy duty Alternator: 160 Amp minimum Note: Console shall have left/right primary driver switch

HORNS: COMPLIES ___YES NO____

Dual Electric Street

LIGHTS: (All standard federally mandated lighting) COMPLIES ___YES NO____ Halogen headlights Day time run lights (DRL) Note: All lights to be LED style lights

BACK UP ALARM: 87 decibels minimum. COMPLIES ___YES NO____

FIRE EXTINGUISHER: COMPLIES ____YES NO____

Vendor shall provide one (1) each, 5lb., refillable, ABC type Fire Extinguisher with metal head with mounting bracket (Amerex #862 Part Number 7023-0105) Note: NDOT to install.

WHEEL CHOCKS: COMPLIES ___YES NO___

Worden PN# OUC (8”H X 8.5” W X 12” L) or approved equivalent. Mounting location to be determined at prebuild meeting.

Note: No metal wheel chocks Chock Manufacturer and PN _________________

REGENERATIVE AIR SWEEPER MODULE

SWEEPER ENGINE - DIESEL COMPLIES ___YES NO____

Auxiliary engine horsepower rating shall not be higher than 74 (55 kW) @ 2400 RPM, torque 224 lb-ft @1600 RPM; without Diesel Exhaust Fluid (DEF).

Auxiliary engine shall drive the blower "fan" by a heavy-duty lightweight two (2) "V" groove power belt for simplicity and ease of maintenance.

A fluid coupler shall be installed between the auxiliary engine and the power belt drive, which allows for smooth starting and stopping of the engine, while preventing the momentum of the fan system from driving the engine when the engine is turned off.

Auxiliary engine shall have ECU for throttle control and management of aftertreatment system. Outside of the auxiliary engine, there shall be no control modules required for sweeper functionality.

For greater heat dissipation, less noise and lower cost of maintenance, auxiliary engine shall have individually replaceable wet sleeve cylinder liners.

DUST SEPARATOR – HIGH CAPACITY COMPLIES ___YES NO___

Dirt separation from the air stream shall be accomplished by means of a centrifugal style dust separator that is installed external to the hopper and bolted on for ease of servicing and replacement. The separator shall be designed so that it will not plug with debris.

To allow inspection and cleaning of the separator interior, the dust separator shall have minimum of two hinged inspection doors. Both doors are self-opening when tilting the hopper.

To allow automatic discharge of debris when tilting the hopper, the dust separator shall have a self-opening door made of steel.

HOPPER COMPLIES ___YES NO____

Volumetric capacity shall be 8 cubic yards class hopper with all fore-and-aft edges being minimum of 6" radius to provide ease of cleaning and debris evacuation.

Hopper shall be constructed of 10-gauge steel sides, and quarter inch steel floor.

The hopper floor angle when dumping shall be a minimum of 50 degrees. Dumping shall be accomplished by tilting the hopper via two (2) single stage telescoping cylinders. Relying solely on a moving raker bar, which is attached to the rear door inside the hopper.

A removable, steel deflector shall be located at the suction inlet. This deflector is to direct material to the rear-center of the hopper for optimal loading.

The hopper rear door shall be hinged at the top and opened by means of two (2) hydraulic cylinders. The hopper door shall open first prior to tilting the hopper. The hopper rear door should open at a minimum angle of 100 degrees.

The rear hopper door shall have an external door prop.

The hopper rear door shall include an automatic locking-pins mechanism for a tight fit and optimal sealing between the hopper and the rear door. Removable spacers shall be provided to easily adjust the hopper door to retain a tight seal throughout the useful life of the door seal.

The rear door seal shall be a water resistant heavy-duty reinforced D style rubber seal for optimal sealing.

A single screen assembly with total surface area of 3970 square inches, constructed of not less than 11-gauge steel, shall be installed to allow air to move freely from the hopper into the centrifugal dust separator. The hopper screen shall be hinged and easily lowered via a pneumatically controlled cable drop-down system for easy cleaning and inspection without tools or pin's removal. Standard screen drop system must be controlled from outside the hopper for safety.

The LifeLiner Hopper System shall be provided to protect the hopper against corrosion and wear and to facilitate the removal of the debris when dumping. This liner system shall provide protection such that the hopper will be warranted for the life of the sweeper.

An inspection door is built into the right side of the hopper, the door allows odd sized debris to be put manually into the hopper.

Dump control shall consist of weatherproof toggle switches located on the exterior right side of sweeper along with In-cab dump switches hopper raise/lower and hopper door open/close.

HYDRAULIC SYSTEM COMPLIES ___YES NO____

Hydraulic pump shall be a gear driven, gear style pump for maintenance free operation, having a flow capacity of 7.0 GPM @ 2100 RPM and 8.3 GPM @ 2500 RPM.

Reservoir capacity shall be not less than 11 gallons and have an exterior sight gauge with a thermometer. The reservoir must be located for quick inspections without tilting the hopper.

All hydraulic circuits shall have quick disconnect pressure check ports for ease of maintenance.

Hydraulic oil cooler shall be standard to provide adequate cooling with fresh air intake and accessible without raising the hopper. The hydraulic system shall operate below 200 degrees F.

To minimize the hazards of potential leakage, all high-pressure fittings shall be O-Ring Face Seal (ORFS) type.

Electric over hydraulic pump to allow raising and lowering the body and opening & closing the body rear door without running the auxiliary engine. It can be used when there is an auxiliary engine malfunction or when the operator wishes to activate the body functions without starting the auxiliary engine. This pump is not needed for auxiliary engine access, as the access doors to this compartment are controlled electric linear actuators.

BLOWER COMPLIES ___YES NO____

Blower shall be driven by a two (2) "V" groove power belt for maximum performance and simplicity of construction, with spring-loaded tensioner; not requiring repositioning of the auxiliary engine for adjustment.

Blower speed shall not exceed 3050 RPM to minimize strain on the drive system while still effectively conveying the bulk of material into the debris hopper; debris types such as but not limited to trash, sand, gravel, dirt, leaves and other organics.

Blower shall be a closed face turbine type, 33 3/8 in. diameter, with 9 vanes constructed of Hardox steel for optimal combination of hardness and abrasion resistance for maximum service life. For longevity of the fan and maximum bearing life, the impeller must be balanced to within .5 ounce.

The blower shall be constructed using a robotic arc welder for accuracy and repeatability to a minimum of 0.0225 in., including features such as touch sensing, weaving and seam tracking information to precisely lay a quality weld that's in accordance with AWS D1.1 standards. Blowers constructed from cast aluminum are not acceptable.

The blower housing shall be constructed of 7-gauge steel for extended wear in abrasive environments.

Blower housing shall have an inspection door for access to blower without removing the blower housing or looking into the air exhaust opening.

Blower housing shall not be an integral part of the hopper. Replacement of the blower housing must be possible without any cutting and/or welding of the housing and or hopper.

The blower shall be mounted and supported using a singular heavy-duty sealed bearing assembly.

Replacement of the blower shall be service friendly; requiring minimal tools and can be removed independently of shaft support bearing.

The blower belt drive system shall be easily accessible and shall not require the removal of more than two (2) fasteners.

The blower belt change shall not require tools and shall not exceed five (5) minutes of labor. Belt tension shall not exceed 20 Hz

PICK-UP HEAD COMPLIES ___YES NO____

The pickup head is a spring-supported, all steel fabricated pickup head with separated upper and lower chambers where pressurized air is blasted from the upper chamber through an elongated blast orifice, to the lower vacuum chamber.

The pickup head shall be not less than 90 inches wide and 30 inches long for a total area of 2700 square inches.

The pickup head shall have a minimum of 14-inch diameter pressure hose that connects the blower outlet with the pickup head. Urethane transition pieces between the pressure hose and the pickup head are not acceptable.

The pickup head shall have a minimum 13-inch diameter suction hose with a quick disconnect coupling at the lower end near the pickup head and the higher end near the hopper inlet. The quick disconnect enables the operator to inspect the suction hose as well as the inlet area of the pickup head without tilting the hopper. The steel portion of this suction tube shall be no shorter than 19 inches to enable smooth airflow transition from pickup head to debris hopper.

The pressure side shall be equipped with an in-cab steel cable-controlled pressure relief valve/vacuum enhancer/leaf bleeder no smaller than 116 square inches for optimum settings for leaf and light debris sweeping.

The suction chamber shall be equipped with a washout port that does not restrict the sizing of washout nozzle(s) used.

The front and rear debris curtains shall be removable through the loosening of four (4) slotted bolts without removing the pickup head from the unit.

The pressure slot shall be rigid stainless steel and adjustable without the use of curtains; protected by a steel ramp.

The pickup head shall be equipped with side-mounted adjustable steel runners with carbide inserts with a minimum width of 1 1/8 inches for long life. Both LH and RH side-mounted steel runners shall be reversible and interchangeable to minimize inventory and maximize runner wear & usage.

The pickup head shall be raised and lowered hydraulically by a rocker switch on the control panel inside the cab.

A center broom in the rear of the pickup head shall be supplied. It directs debris in the air stream, loosens materials that are adhered to the road surface and improves sweeping performance. Broom use shall be controlled by a rocker switch from the cab, pressure shall be set at the broom. The broom is hydraulically driven at 160 RPM and to be minimum 79 in. (2,007 mm) long by 10 in. (254 mm) in diameter.

SIDE BROOM(S) COMPLIES ___YES NO____

WATER SYSTEM COMPLIES ___YES NO____

The water tank shall be a removable, 250 gal. total capacity. Constructed of rust-proof polyethylene.

The water tank shall be frame mounted with no part sharing any common wall with the hopper and shall not rise during hopper dumping for better weight distribution.

A 16 ft. 8 inch fill hose with NST coupling with strainer.

An external water level gauge that is visible from the operator's position.

All water lines shall be color coded for easy identification.

The water filter must be accessible and cleanable from ground level without tilting the hopper. A ball valve must be provided at the filter inlet to allow cleaning of the filter without the loss of water from the water tank.

All water piping shall be external to the operator cab.

Three (3) water spray nozzles are located at each side broom for optimal dust control. A pivoting bracket is provided to allow for optimum positioning of the side broom spray nozzles.

Three (3) removable water spray nozzles are located at the lower portion of the suction hose for lubrication of the suction hose and to further enhance dust control.

One (1) electric 12-volt, diaphragm type pump will provide a capacity of 4 GPM to the pickup head, the suction hose and the side brooms. The system pressure shall be sized for 40 PSI operation.

Water pump must have two flow rates, selectable by the operator from within the cab and capable of running dry without damage.

Water system shall be capable of winterization without the use of an air purge system.

Cab controlled front water spray bar assists with wetting down debris under extremely dusty conditions. Four removable brass nozzles mounted under the front bumper of the truck on copper pipe keep the system corrosion resistant.

Quick coupling for the water fill hose. Instead of threaded on connection, the water fill hose can be quickly connected and disconnected to the sweeper's water fill connector.

High pressure pump with 24 in. (610 mm) hand lance and 30 ft. (9m. 140mm.) hose. It provides 4.2 GPM (15.9 L/m) at 1500 PSI. Designed for washing down and for loosening up catch basin materials and for efficient cleaning of the hopper and the sweeper exterior. The hose has an attached spray wand with on/off trigger and with two nozzle settings allowing the operator to spray fine or wide. The quick disconnect for the high pressure wash down is easy accessible on the right side of the sweeper.

Sweeper shall be SCAQMD rule 1186 compliant. The Sweeper compliance must be listed on the SCAQMD approved list and noted on a placard affixed to the sweeper. The vendor may be requied to provide documentation of complience at any time during or after the bid process.

PNEUMATIC SYSTEM COMPLIES ___YES NO____

There shall be a PR4 protector type pressure protector for the chassis air system.

All pneumatic cylinders shall be interchangeable.

All pneumatic cylinders must be rated to 150 PSI and have a separate rod seal and wiper to prevent contamination entering the cylinder.

Each cylinder shall be controlled by a single, two position, solenoid valve mounted on a manifold with common input and exhaust.

There shall be a filter with a polycarbonate bowl to filter out contaminants down to 5 microns to prevent contamination in the air system.

ELECTRICAL SYSTEM COMPLIES ___YES NO____

Sweeper shall have an electronic back-up alarm for additional warning and safety when chassis is in reverse.

Sweeper shall have a rear facing back-up camera for additional safety and operator awareness of surroundings.

Sweeper lighting shall include rear identification lights and rear clearance lights.

Sweeper warning lights shall include hopper up and hopper door open (when equipped with in-cab tilt), screen down, and hopper full load.

Sweeper wiring harnesses shall be color-coded and "function stamped" with appropriate circuit name every four inches, i.e. "Ignition", "Side Broom" on each wire.

All electrical circuits must be protected by automotive style blade fuses.

Dual rear facing LED lights allow illuminated view of swept path during nighttime operation.

Two (2) Alternating Flashing Rear Lights shall be provided.

Two (2) LED work lights shall be supplied for both left hand and right-hand gutter brooms. Each work light shall have an independent in-cab control switch.

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

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.

CONTROLS COMPLIES ___YES NO____

All sweeper controls shall be mounted on a stationary central console that allows for use and visibility from either right or left operating positions.

The controls shall include sweep, spray water and lighting functions.

The controls for sweeping, spray water, and lighting functions shall be rocker switches.

Controls for auxiliary engine ignition and throttle, side broom down pressure shall be located in the control console.

Controls for the auxiliary engine throttle is a pre-set rotary knob, and shall include individual settings for "idle", "light", "medium", "medium/heavy", and "heavy" to provide clarity to the operator of proper throttle setting for any given application.

Controls for sweep system shall include sweep/resume feature; allowing the automatic raise when chassis transmission gear selector is put into reverse of side brooms and pickup head.

INSTRUMENTS COMPLIES ___YES NO____

Sweeper engine instruments shall include tachometer, hour meter, oil pressure, voltage, and coolant temperature for complete information for the operator on the condition of the auxiliary engine, visible from both operator positions.

Sweeper engine to include an auxiliary engine air intake restriction gauge for ease of maintenance (mounted external at air filter).

Sweeper instruments shall include diagnostic information for the sweeper engine and sweeper functional information to sweeping mode and transport mode.

Sweeper instruments shall include a "raised" hopper indicator and "open" hopper door indicator (when equipped with in-cab dump) and a "full" hopper indicator to notify the operator.

Sweeper instruments shall include in-cab display of gutter broom hours for operator awareness of broom productivity and maximum service life.

Color shall be the manufacture's standard color of "White".

Vehicle shall have an accent color of Grey on the components and lower portions of the unit.

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.

· Two (2) Parts Catalogs COMPLIES ___YES NO____

· Two (2) Shop Manuals

· Two (2) Operator's Manuals

· Two (2) Operator Training DVD’s/flash drives

· Two (2) Electrical System Schematics/Drawings

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

SPECIFICATION CONFIRMATION / 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 following end users location in Las Vegas, 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. (Certificates available upon request).

· 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:

LED Headlights $ ____________

Hopper clean out screen stainless $ ____________