One (1) New 8.5 Cubic Yard Volumetric Capacity Vacuum Street Sweeper, Including Chassis

CITY OF CASPER
FLEET MAINTENANCE DIVISION
CITY OF CASPER
(307)235-8410
September 9, 2026 FY27029
Notice is hereby given that the City of Casper, Wyoming will receive sealed bids at the Fleet
Office, Casper Service Center, 1800 E. "K" Street, Casper, Wyoming, until 3:00 p.m., September
29, 2026 for the following:
One (1) New 8.5 Cubic Yard Volumetric Capacity Vacuum Street Sweeper, Including Chassis.
This unit is to be used by the Streets and Traffic Division of the Public Services Department; unit must
have the minimum specifications of:
General
Specifications: It is the intent of these specifications to specify the minimum requirement for the
furnishing and delivery of One (1) New 8.5 Cubic Yard Volumetric Capacity
Vacuum Street Sweeper, including Chassis. The unit shall be new and have less
than fifty (50) hours and be less than twelve (12) months old, with full factory
warranty. Unit shall be delivered complete and ready for service, as specified, and
shall be equipped with all of the manufacturer's standard equipment, as
advertised, whether or not specifically mentioned in these specifications, in
addition to all other equipment and attachments specified herein.
COMPLY
YES NO
3.0 EQUIVALENT PRODUCT
3.01 Bids will be accepted for consideration on any make or model that
is equal or superior to the equipment specified. Decisions of
equivalency will be at the sole interpretation of the City of Casper
Fleet Manager.
3.02 Bidder shall demonstrate a reasonable likeness of the equipment
being offered within a reasonable time of request. Equipment
demonstrated shall be equipped with all accessories and
components required in this specification to ascertain
equivalence.
3.03 A blanket statement that equipment proposed will meet all
requirements will not be sufficient to establish equivalence.
Original manufacturer's brochures of the proposed unit are to be
submitted with the proposal.
4.0 SOUND CONTROL YES NO
4.01 The external sound pressure level shall be 79 dB(A)
average at 16 meters per noise test code ISO 3746:
while the impeller fan is rotating a t 3,400 RPM.
4.02 The In-Cab sound level shall not exceed 68 dB(A)
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max per noise test code ISO 3746: while the
impeller fan is rotating at 3,400 RPM in sweeping
mode.
5.0 VEHICLE WEIGHT YES NO
5.01 GVWR: 35,000 lbs. minimum.
5.02 Wheel Base maximum 178"
5.03 Cab shall be conventional type.
5.04 State G.V.W.R of chassis bid.
5.05 State empty weight of chassis bid.
5.06 State empty weight of sweep equipment.
6.0 AXLES YES NO
6.01 Front axle shall be 12,000 lbs. minimum.
6.02 Rear axle shall be a two speed Meritor RS-21-230,
21,000 lbs. Capacity with ratio of 5.86 / 8.17:1.
6.03 Front & Rear oil seals shall be provided.
6.04 Front & Rear dust shields shall be provided
7.0 SUSPENSION YES NO
7.01 Front suspension shall be 12,000 lbs.
minimum at ground load rating
7.02 Front shock absorbers shall be supplied.
7.03 Rear suspension shall be 23,000 lbs.
minimum with multi-leaf springs.
8.0 BRAKE SYSTEM - ABS YES NO
8.1 To ensure brake system performance, safety and service life
of chassis a WABCO 4S/4M ABS brake system will be supplied.
8.2 Front & Rear service brakes shall be "full air" "S" cam type.
Front with 15"x4" and back with 16.5"x7" brake linings
8.3 Automatic slack adjusters shall be supplied
on front and rear brakes.
8.4 Parking brake shall be spring set on rear axle
and cab controlled.
8.5 Low air warning indicator shall be supplied.
8.6 To provide clean, dry air to the chassis brake system, increase
life of and reduce maintenance costs, a Wabco SS 1200 Plus
Brake Line Air dryer with heater will be provided
8.7 A Cummins 18.7 CFM air compressor
shall be supplied.
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9.0 STEERING YES NO
9.01 Complete OEM dual cross-over power steering system
with complete dual gauges at each operator's position
shall be furnished to permit operation from either
side of cab. Steering wheels shall include tilt feature.
9.02 The following gauges and controls shall be
furnished at the LEFT- SIDE operator's position: oil
pressure gauge, water temperature gauge, tachometer
voltage digital display, speedometer, odometer, dual
air pressure gauges, transmission oil temperature
gauge, fuel gauge, hour meter, DEF gauge, and
centrally located ignition switch.
9.03 The following gauges and controls shall be
furnished at the RIGHT-SIDE operator's position: oil
pressure gauge, water temperature gauge, tachometer
speedometer, dual air pressure gauges, transmission oil
temperature gauge, fuel gauge, DEF gauge, and
centrally located ignition switch.
10.0 ENGINE YES NO
10.01 Engine shall be a four-cycle diesel,
turbo-charged and after cooled.
10.02 Engine shall be rated at 200 H.P. @ 2400 RPM
with 6.7 liters of displacement minimum
10.03 Engine shall have a torque rating
of 520 ft lbs. at 1,600 RPM.
10.04 Engine shall be water cooled with antifreeze
protection to -34 degrees Fahrenheit.
10.05 Engine shall have vertical muffler and exhaust pipe
and be equipped with a Diesel Particulate Filter & SCR
system for current EPA emission requirements.
10.06 Integral electronic protection shutdown system for low oil
pressure and high-water temperature.
11.0 TRANSMISSION YES NO
11.01 Transmission shall be an Allison 2500
Series automatic with return line filtration
11.02 Transmission shall come installed with synthetic
transmission fluid.
12.0 ENGINE EQUIPEMENT YES NO
12.01 12-volt alternator shall have a minimum
of 160-amp output rating
12.02 Two (2) batteries shall be maintenance free, Group 31
12 volt and each rated at 1125 CCA (2,250 total) with
an in-cab master battery disconnect.
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12.03 A heavy-duty dry air cleaner with dash mounted in-cab
restriction indicator with graduations shall be supplied.
12.04 A Horton HT650 frontal air on/off clutch engine
fan shall be supplied with automatic controls.
12.05 A full flow oil filter shall be supplied.
13.0 CAB YES NO
13.01 Cab shall have two (2) air suspension fully adjustable
bucket seats with approved seat belts
13.01 Seats shall be high-back, air suspension with mechanical
lumbar/integrated cushion extension.
13.02 Sun visors shall be supplied on both sides.
13.03 Door armrests shall be supplied on both sides
13.04 Heater with full width defrosters, fresh air ducts
and two-speed fan shall be supplied.
13.05
Dual, two speed electric intermittent windshield
wipers with washers, operable from either side,
shall be supplied.
13.06 Two (2) bright finish heated and remote West Coast
type mirrors, 7" x 16" and 8" convex mirrors
shall be supplied.
13.07 Two (2) 8" stainless steel fender mounted convex mirrors
shall be supplied to allow full view of sweeping equipment
13.08 Factory A/C shall be supplied and mounted in cab.
13.09 AM/FM/WB radio with Blue Tooth shall be supplied.
13.10 Two (2) independent accelerator pedals shall be
installed in cab to facilitate operation from either side.
13.11 A full 'cross-over' system to change steering control,
throttle and all gauges, from left to right hand side
and vice versa shall be supplied.
13.12 All cross-over functions shall be controlled by a
single switch on the central console. This circuit
shall be inter-locked to the parking brake and
shall only be capable of being activated with
the parking brake applied.
14.0 FUEL TANK YES NO
14.01 Minimum 50-gallon fuel tank shall supply chassis
engine. Tank shall be manufactured from aluminum
and located under LH side of the cab.
14.02 SCR system tank shall be 6 gallons and located to the rear of the
chassis fuel tank.
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15.0 LIGHTS YES NO
15.01 All lamps and reflectors shall comply with
federal regulations.
15.02 Four-way hazard warning lights shall be supplied.
15.03 The following lights to be LED type: stop/tail/turn/back-up/marker
16.0 FRAME YES NO
16.01 Heavy Duty frame with a minimum RBM of
1,015,000 lb/in
16.02 Frame Section Modulus of 12.69 minimum
16.03 Frame shall be tensile steel, 120,000 psi, minimum
16.04 Front tow hooks shall be supplied
16.05 Steel front & rear bumpers shall be supplied (front shall have
flexible plastic ends).
16.06 A weight load indicator shall be installed on frame
17.0 WHEELS AND TIRES YES NO
17.01 All wheel rims shall be disc type 22.5 X 8.25
17.02 Tires: two (2) front and four (4) rear premium radial tires; type
11.00R 22.5-14 ply rated.
17.03 Rear tire sets to be protected by Heavy Duty replaceable plastic
fenders.
18.0 SWEEPER POWER PACK YES NO
18.1 Power shall be supplied by a heavy-duty turbo charged
industrial diesel engine and fuel supplied from a minimum
50 gallon molded high strength composite fuel tank.
18.2 Engine shall be four cylinder, four cycle, water cooled
and antifreeze protected to -40 degrees Fahrenheit.
18.3 Engine shall be JCB Ecomax Tier 4 Final 125HP, 93kW @2200
RPM
18.4 The engine must conform minimally to EPA Tier 4 regulations.
18.5 The unit shall be capable of operating within a temperature
range of -40 degrees to +126 degrees Fahrenheit with the
manufacturer's full warranty approval.
18.6 Separate heavy duty, dry dual element air filtration with
restriction indicator and Turbo III pre cleaner to be provided.
18.7 Fuel system will have a primary filter & sediment bowl as
first stage filtration from the fuel tank.
18.8 All daily engine inspections of oil level, coolant level and air filter
restriction to be checked and monitored from inside the cab.
18.9 Engine water pump shall be a direct drive to eliminate
possibility of engine damage due to drive belt breakage.
18.10 A 12-volt 55-amp alternator shall be furnished.
18.11 High coolant temperature and low oil pressure shutdown
system shall be supplied.
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18.12 The engine shall be sound suppressed, and pod mounted in a
low profile tub with a bolt-on heavy duty cowling liner and seal
for maximum sound attenuation.
18.13 Engine tub shall be separately mounted from the body
and shall be capable of being removed from the entire
sweeper framework by four (4) bolts.
18.14 To reduce vibration & sound, ONLY the engine,
transmission and turbine shall be "live" mounted
and free floating.
18.15 The engine compartment shall be completely sealed with
a bolt-on sound suppressing liner of 1.25 inches thick to
reduce noise levels and protect against dust contaminants.
18.16 Engine shall have four (4) remote fluid drains accessible
from ground level for coolant, hydraulic oil, engine oil
and gearbox oil to allow for easy and cleaner maintenance.
18.17 For greater corrosion protection the engine muffler
and exhaust pipe must be stainless steel.
18.18 Auxiliary engine fuel consumption shall not exceed
5.04 G.P.H (gallons per hour) while producing a continuous
impeller fan speed of 3,400 RPM. State G.P.H.
18.19 Bidder shall state engine RPM required to generate an impeller
fan speed of 3,400 RPM.
18.20 Throttle control of power output shall be adjusted by means of
an electronic, infinitely variable actuator.
18.21 In- cab tachometer and hour meter shall be supplied.
18.22 Radiator shall have a sealed and dedicated air intake duct.
to ensure the air is the cleanest possible the air intake
duct shall be located in the roof of sweeper cowling.
18.23 Both a keyless start with integral cold weather start aid and a
anti-crank device to prevent re-engagement of starter
while engine is running shall be furnished.
18.24 All sweeping controls shall be easily accessible to the
operator from either side driving position.
18.25 Gutter Brooms, Nozzles and Main Broom controls are to be
incorporated into a convenient door post mounted module with
Joystick.
18.26 Warning lights shall be furnished for low oil pressure,
high water temperature, low voltage, body weight limit,
low hydraulic oil level and low sweeper water tank level.
18.27 All of the above controls in addition to the chassis engine
ignition, parking brake control, and gutter broom speed
control shall be conveniently mounted in-cab center or on door
post
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19.0 SWEEPER HOPPER BODY YES NO
19.1 The entire hopper body shall be fabricated from (9) gauge high
content chromium stainless steel. All seams shall be continuously
welded.
To permit longer life and lower the cost of operation, the entire
debris hopper, excluding inlet wear plates and exhaust screens,
shall carry a LIFETIME WARRANTY as long as the customer
owns the sweeper.
The warranty shall include, but not be limited to, the floor, sides,
roof, air tunnel and rear door. The warranty shall cover rust,
corrosion and abrasion perforation, including normal wear and
tear. Vendors will be financially responsible for all repairs, parts
and labor, including protective coatings for the life of the
sweeper.100% parts and labor with no pro-rating or hour
limitations. Vendors shall supply with their bids, warranty
statements from the manufacturer in complete compliance with
the published warranty specifications. Failure to do so, will deem
your bid as non- responsive.
19.2 Body volume capacity shall be not less than 8.5 cubic yards with
payload capacity of not less than 7.5 cubic yards.
19.3 A hydraulically operated, fully sealed, full width, top hinged rear
door with 6-inch-long rear discharge chute with side splash
guards.
19.4 The door shall be opened, closed and latched hydraulically.
19.5 To prevent damage to the door and door seal, when
dumping, the door must open a minimum of 125 degrees.
19.6 The door cylinder shall incorporate a counterbalance
Valve and locking hinge to prevent accidental closing in the event
of a hydraulic hose or cylinder failure.
19.7 To prevent physical injury, the sweeper hopper body prop shall
automatically engage when the hopper is raised. The prop is to
be the same width as the frame to provide full and even support.
Disengagement of the hopper body safety prop is to be initiated
by the use of the pendant control, not requiring the operator to
reach under the raised hopper.
19.8 To prevent physical injury, the sweeper shall incorporate
a warning beeper anytime the debris hopper or rear door
is being raised or lowered.
19.9 To prevent physical injury due to unintentional operation,
a master safety switch must be depressed and simultaneously
held while the operator activates the controls to raise/lower
the debris hopper or rear door.
19.10 For maximum abrasion resistance the body intake tube(s) shall
be constructed of (10) gauge Corten Steel and have bolt-in seals.
19.11 To prevent the body from being stuck in the raised position,
the raise/lower cylinder shall be power up and power down.
19.12 To ensure complete emptying of the debris hopper,
the hopper discharge angle must be 55 degrees minimum
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19.13 The hopper body shall be able to incorporate an inter-connecting
transfer port to the water tank that will enable the machine to
additionally function as an either a water tanker or flusher
with a total water capacity of 1,717 gallons.
19.14 Body intake tubes shall have "pre-drilled" equal distant
mounting holes to permit quarter, half or three-quarter turn
rotation for extended life and even wear compensation.
19.15 To permit cleaning of the rear screens, and placement
of large objects in the hopper, two (2) heavy duty
inspection doors with heavy duty lever lock handles and
recessed seals that fit snugly over a raised flange on the body,
providing a positive seal against leaking shall be provided on
each side of the hopper with step and handle for operator safety.
19.16 Body shall have full width Stainless Steel mesh filter screens
which are at least 60" away from suction inlet tubes to allow for
adequate material separation and reduce carryover into main fan
air tunnel.
19.17 The Stainless-Steel screens shall be "one-handed" operation
removable from ground level without entering the hopper and
without the use of tools. Additionally Screens shall incorporate a
vibration feature to clear debris from screens during operation.
19.18 Body roof shall incorporate an externally mounted, removable
plate to permit inspection and cleaning of upper air tunnel area
19.19 The rear door shall have two (2) drain ports at staggered heights
to enable water to be drained off. One 4" rear door drain valve.
One located in middle bottom of rear door with a 11/2" ball valve
20.0 VACUUM IMPELLER FAN YES NO
20.1 Shall be single stage centrifugal type, direct drive, dynamically
balanced. And capable of producing 59" of negative water
column at the suction nozzle.
20.2 Impeller shall be 31.5" diameter, 3.15" wide and of
stainless steel construction.
20.3 Impeller shall incorporate eight (8) hardened stainless steel
vanes with built-in "wear safe" characteristics.
20.4 Impeller housing shall have a port for inspection and be
constructed of A/R steel.
20.5 The connection of blower to drive system and engine
via fluid coupler shall permit the blower to freely spin
within its housing.
20.6 The impeller shall be driven via an adjustment
free 'step-up' gearbox. (BELTS ARE NOT ACCEPTABLE.)
Step-up gear-box ratio shall be a minimum of 1: 1.79
permitting higher impeller speeds at low engine RPM.
20.7 The purchaser has demonstrated various types of vacuum
sweepers and has determined that a minimum impeller fan
speed of 3,400 RPM is required to effectively convey the bulk
of material into the debris hopper.
20.8 Blower drive system: To permit longer life and lower cost
of operation, the entire blower drive system, excluding the
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auxiliary engine and impeller, shall be guaranteed for
5 years. Warranty shall include all components between
the engine flywheel and the blower. Warranty shall cover
all components, including normal wear items, such as, but
not limited to, belts, pulleys, bearings, shafts, fluid couplings,
clutches, seals, etc. Warranty shall include all parts and
labor for a period of 5 years. 100% parts and labor. No
pro-rating or hour limitations acceptable. Vendors shall
submit warranty statements from the manufacturer with
their bids, in strict compliance with the published warranty
specifications. Failure to do so will deem your
bid as non-responsive.
20.9 Blower exhaust port is to be sealed, and air is to be
exhausted rearwards over full width of the body through
a sound suppressed roof tunnel vent on top of hopper
21.0 INTAKE SYSTEM YES NO
21.1 The intake system shall be a minimum of 10" I.D. diameter
featuring straight inlet tubes (no bends or curves) into the
debris hopper to maximize air speed up to 300 mph.
21.2 To permit cleaning and removal of blockages the intake system
shall separate when the debris hopper is raised. The make
break inlet point shall be no more than 57 inches off of ground.
21.3 Unit to have a top mounted Powaboom 8-inch auxiliary hose with
270 degrees of rotation around the unit to permit cleaning of catch
basins. Rear door mounted wander hoses will not be accepted.
22.0 GUTTER BROOM - RIGHT and LEFT SIDE YES NO
22.1 Gutter broom(s) shall be one piece of steel tine construction, and
28" inch diameter.
22.2 Gutter broom(s) shall be direct hydraulic drive type and relief
valve protected
22.3 Gutter broom(s) shall have variable speed from within the cab.
Rotational speed from 0 -140 RPM independent of engine RPM
22.4 Gutter broom(s) shall pneumatically raise/lower.
22.5 Gutter broom(s) shall incorporate a lock for transport activated
automatically from within the cab.
22.6 Gutter broom(s) and components shall be free floating, of trailing
arm configuration with adjustable "kick back" feature to avoid
damage if contact is made with high curbs or other immovable
objects.
22.7 Four (4) water spray jets shall be provided at each gutter broom
along with a LED work light
22.8 Two (2) water spray jets to be mounted on lower rear corners of
cab. They are to be wired and activated separately to provide
additional dust suppression when required.
22.9 Gutter brooms shall be capable of being operated independently
of all other sweep gear.
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22.10 Gutter broom(s) shall be capable of sweeping on top of sidewalk
edge for the purpose of cleaning weeds, etc.
This feature shall also be used to trim grass edges on curbs,
edged parkways, etc.
22.11 The right and left side gutter broom components must be
identical (unhanded) to permit interchangeability from side to side.
23.0 WIDE SWEEP BROOM YES NO
23.1 Polypropylene under-body broom shall be supplied.
23.2 Broom shall be 16" diameter minimum.
23.3 Broom length shall be 50" minimum.
23.4 To reduce the potential for damage, the wide sweep broom shall
be towed and not pushed when operating
23.5 Wide sweep broom shall be enclosed within its own hood to
prevent debris from being ejected
23.6 Broom shall be hydraulically driven at a constant speed with
adjustable pressure and flotation system.
23.7 Wide sweep broom shall have a minimum of four (4) water spray
nozzles mounted at front bumper for early dust control.
23.8 Wide sweep broom shall be capable of being changed without
removing any parts other than the broom side cover plate.
23.9 Wide sweep broom shall be capable of being operated
independently of all other sweep gear.
23.10 The wide sweep broom down pressure can be accomplished
from inside or outside cab via the pendant control.
23.11 Wide sweep broom shall have a road crown compensation pivot
with remote greasing provision to provide simple, easy lubrication.
24.0 SUCTION NOZZLES - RIGHT & LEFT SIDE YES NO
24.1 Shall be alloy construction, rubber lined for increase life and low
noise. And will include curb guards and rubber skirts.
24.2 Nozzle(s) shall raise/lower pneumatically.
24.3 Nozzle(s) shall have 1800PSI high pressure water jets angled at
Angled at 45 degrees mounted behind the nozzle(s) to allow for
"First pass sweeping" in extreme conditions.
24.4 Nozzle(s) shall have four (4) internal water jets to provide dust
suppression and lubrication for debris conveying tubes and
sweeper internal components. Water nozzles shall be of the
non-clog type, utilizing "Spring Applied, Hydraulically Released"
pins to insure an unobstructed flow.
24.5 Nozzle carriage(s) shall each be provided with two (2)
adjustable heavy-duty rubber tired, 10" diameter wheels.
Should the nozzle not meet this requirement, then a third wheel
or caster must be provided.
24.6 Nozzle wheels shall be capable of being independently adjusted.
24.7 An in-cab control, shall permit the operator to remotely tilt the
nozzle backwards to accommodate the ingestion of large items.
24.8 The right and left nozzle components must be identical
(unhanded) to permit interchangeability from side to side.
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