One (1) New Single Engine Hydro Excavator

CITY OF CASPER
FLEET MAINTENANCE DIVISION
CITY OF CASPER
(307)235-8410
October 19, 2026 FY27035
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., November 5, 2026
for the following:
One (1) New Single Engine Hydro Excavator. This unit is to be used by the Water Distribution 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 Single Engine Hydro Excavator, 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
1.0 INTENT
1.01 The intent of this specification is to provide for the purchase of
one (1) new and unused single-engine hydro excavator used for
safely loosening and removing dirt from buried utility structures
and buried pipes. The unit shall consist of a hydraulically driven
high pressure water pump and equipped with a self-contained
water supply as the source for the water pump system. The body
dump, water pump and vacuum controls shall be accessible on
the curbside of the vehicle. The module is to be truck mounted
on a chassis as described either in this specification or attached
as an addendum. Please indicate all exceptions to this
specification in an attached addendum with complete
descriptions and explanations.
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1.02 This specification is not to be interpreted as restrictive, but rather
as a measure of the safety, quality, performance and overall cost
of ownership against which all equipment bid will be compared. In
comparing proposals, consideration will be given to life cycle cost
guarantees whereby bidder shall provide all pertinent information
to evaluate long-term cost. Contract will be awarded for the
product which best serves the interests of considering long-term
maintenance cost, parts availability, product support and service
cost value of bidder's equipment. The City of Casper reserves the
right to reject any or all bids or any part thereof, and to waive any
minor technicalities. Award shall be to the bidder showing most
favorable life cycle costing while meeting the requirements of
these specifications.
2.0 EQUIVALENT PRODUCT
2.01 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 .
2.02 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.
2.03 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.
2.04 For quality assurance, the hydroexcavator shall be produced in a
facility with ISO 9001:2008 certification.
2.05 For environmental considerations, the hydroexcavator shall be
produced in a facility with ISO 14001:2004 certification.
4.0 SERVICE AND SUPPORT
4.01 Location of warranty service center and amount of inventory shall
be noted which may be verified and inspected.
4.02 Amount of OEM parts at this facility: $
4.03 Years of servicing equipment being bid: Years
4.04 Number of factory qualified service technician:
5.0 GENERAL
5.01 The specification herein states the minimum requirements of . All
bids must be regular in every respect. Unauthorized conditions,
limitations, or provisions shall be cause for rejection. Any bid not
prepared and submitted in accordance with the bid document and
specification, or any bid lacking sufficient technical literature to
enable the to make a reasonable determination of compliance to
the specification will be considered "non-responsive" and grounds
for rejection.
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6.0 SUBFRAME
6.01 The equipment shall be of modular design consisting of a water
tank system and drive system.
6.02 A sub frame shall be fabricated to the exact dimensions of the
truck chassis for mounting of modular components.
6.03 All components of the module shall attach to the sub frame and
not directly to the chassis.
6.04 Sub frame shall be designed to ASME standards for maximum
applied loads, chassis frame movement and even distribution of
weight to the chassis and suspension.
6.05 Sub frame shall be continuous and uninterrupted from back of cab
to end of frame.
7.0 DEBRIS BODY
7.01 Efficiency of air movement through debris body will be measured
for minimal restriction as measured by vacuum pressure gauge
while operating blower at full speed. Pressure drop throughout
entire system (from 8" hose inlet to blower inlet) including
specified filtration and blower protection devices shall be no
greater than 3" hg as measured at blower.
7.02 The body shall be cylindrical having a minimum useable capacity
of 12 cubic yards.
7.03 The debris storage body shall be constructed with a minimum 1/4"
corrosion and abrasion resistant Ex-Ten steel.
7.04 The debris storage body shall have a minimum yield point of
50,000 PSI and a minimum tensile strength of 70,000 PSI.
7.05 The debris body shall be rib reinforced to meet 30" Hg minimum
vacuum level.
7.06 Industrial style rear debris body door shall be flat, and shall open
and close hydraulically by cylinders mounted at the top of the
body. Door shall open 50 degrees from the fully closed position.
Door shall be unlocked, opened, closed, and locked by a failsafe
hydraulically activated sequential positive locking system, cam
operated by a single hydraulic cylinder, with all controls located
behind truck cab, forward of the debris body, so operator is not
subject to debris when dumping.
7.07 Rear door locking system shall be designed such that no hydraulic
components are located internal of the debris body to prevent
debris contamination and excessive wear of hydraulic components
7.08 Manual locks will not be permitted
7.09 Dual top mounted hydraulic cylinders shall permit the operator to
raise and lower the rear door
7.10 The 6" knife valve to be located at the 3 o'clock postion on the
rear door
7.11 The debris body shall be equipped with a mechanical load level
indicator to show when the body is loaded to capacity
7.12 Raising the body to a 50 angle, utilizing a forward mounted,
double acting, hydraulic dump cylinder will dump the debris body.
7.13 Body shall have a rear door that is hinged at the top and is
equipped with a replaceable neoprene type seal. Adjustable for
periodic compensation of door seal wear.
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7.14 The rear door neoprene seal shall rise with the rear door
removing the seal from the debris path for maximum life.
7.15 For optimal particulate separation, vacuum shall be drawn from
separate ports in the top of the debris body.
7.16 Dual 10" stainless steel ball floats; cage shall be located in the
tank outlet to the vacuum source to automatically stop the airflow
from, the body.
7.17 The float balls shall close when a debris body full load condition
exists.
7.18 Cyclone Drain Valve
7.19 A curb-side folding 3-pipe rack shall be provided, constructed of
steel tubing, spring assisted. Shall include quick release retainer
handles (no bungees or clamps).
7.20 A street-side folding 3-pipe rack shall be provided, constructed of
steel tubing, spring assisted. Shall include quick release retainer
handles (no bungees or clamps).
7.21 A rear door mounted folding 3-pipe rack shall be provided,
constructed of steel tubing, spring assisted. Shall include quick
release retainer handles (no bungees or clamps).
7.22 A horizontally mounted micro-strainer shall be provided prior to
the blower inlet, with a removable filter screen and bottom drain
port.
7.23 A splash shield shall be mounted around the lower 60% of door
opening to direct liquid and debris away from the chassis. Shield
shall be minimum 10" deep bolted assembly with no openings.
7.24 A lubrication manifold system shall be provided to allow ground
level greasing of boom lift and swing cylinders, float level indicator,
top rear door hinges and debris body hoist cylinder pins.
7.25 An 8" inspection port in top of the debris body with ladder and
platform access shall be provided.
7.26 An air curtain mounted in the mid-point of the debris body shall be
provided to provide maximum material separation in the debris
body.
7.27 Electric vibrator on heavy structural channel on under-side of
body with thermal overload protection shall be provided. Vibrator
controls must be designed with proper rest intervals to prevent
over use and failure.
8.0 WATER TANKS
8.01 The water tanks shall be manufactured from a non-corrosive
material to prevent rust yet still provide for maximum strength.
8.02 The water tanks shall be adequately vented and connected to
provide complete filling.
8.03 The water tanks shall be totally separate from the debris tanks
and provide no structural support.
8.04 The water tanks shall share no common walls with the debris
tanks to prevent corrosion and excessive fatigue.
8.05 The water tanks shall come equipped with an anti-siphon device
and 25' of hydrant fill hose and fittings.
8.06 2" Y-Strainer With 25' Fill Hose shall be provided.
8.07 The water tanks shall carry a 5 year warranty against corrosion or
cracking.
8.08 Fresh water shall enter the tanks through an in line 6" air gap, all
aluminum covered anti-siphon device.
8.09 Water level shall be displayed via a five light system with
incrimental display between empty and full.
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8.10 Water tank shall be drained through a 3" ball valve. Valve should
have a handle extention to provide easy and clear access.
8.11 For stability safety, the water tank shall not elevate with debris
body during dump cycle.
8.12 A low water alarm shall alert operator when water storage has
150 gallons remaining.
8.13 An air purge system utilizing the chassis air system shall be
provided to assist displacing of residual water out of the high-
pressure water system. System shall utilize the truck chassis air
compressor to fill a 30-gallon auxiliary air storageair storage
chamber with pressure gauge and pressure protection valves to
isolate the holding tank from the chassis compressor. System
shall be equipped with ball valve and all necessary high pressure
piping hoses, couplings and controls.
8.14 Water tank must be a certified metered capacity of 1200 gallons.
Certification shall be necessary upon delivery.
8.15 3/4" HDPE material shall be used for construction of the dual cell
water tank
9.0 VACUUM/VACUUM DRIVE SYSTEM
9.01 Vacuum shall be provided by a positive displacement rotary bi-
lobe type blower driven via chassis engine and heavy duty split
transfer case direct to the blower.
9.02 Interlock safety system shall prevent drive axle from engaging.
9.03 Hydroexcavtor unit shall be equiped with a shift protection system
preventing blower engagement/disengagment with input shaft at
speed to prevent transfercase destruction
9.04 The vacuum system provided must utilize 18" Hg minimum
positive displacement blower.
9.05 The positive displacement blower shall be driven via truck chassis
engine in combination with a chassis mounted heavy duty transfer
case.
9.06 An LED screen displaying equipment performance information
including but not limited to chassis engine rpm, blower rpm, water
pump hours, hydraulic oil temp, water temp, and blower
temperature.
9.07 The positive displacement blower is to be Roots 824RCS 18",
capable of 5197 CFM @ 0" Hg. (3490 CFM @ 18"Hg.)
9.08 The positive displacement blower shall be matched with ultra quiet
intake and exhaust silencers.
9.09 The system shall have a cyclonic separator with 12" cleanout
door. Must be at ground level for safe access.
9.10 The filter house shall contain a removable & washable filter
element. Must be ground level for safe access.
9.11 The system shall have a 8" air operated vacuum relief valve
controllable from the control panel, wireless remote, and wired
pendant. Relief valve shall be properly sized to fully disable
vacuum.
9.12 For added protection, the vacuum system shall have three (3)
relief valves set at 18" hg, heavy duty horizontal mounted noise
muffler, removable and cleanable stainless steel filter screen, and
shall be enclosed with a steel cage guard for safety.
10.0 VACUUM BOOM SYSTEM
10.01 All vacuum pipes shall be connected to vacuum pick up tubes and
extension pipes by over-center quick clamps to join the aluminum
flanges on pipes.
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10.02 One (1) quick clamp for each pipe supplied shall be provided.
10.03 The boom must extend out a total of 7 feet from the collapsed
position.
10.04 Vacuum system shall have a minimum of 8 inch clear opening
from boom hose to blower.
10.05 The boom shall be mounted at the rear portion of the debris body
with a minimum 320 degree rotation providing full coverage of the
potential working area.
10.06 The boom shall be controlled via a load sence, electric-over-
hydraulic hydraulic system.
10.07 The boom shall be powered hydraulically up, down, left, right,
extend, and retract.
10.08 All inlet hose and tubing shall have a minimum 8" inside diameter.
11.0 WATER PUMP AND DRIVE
11.01 The rated design capacity of the high-pressure water pump is 10
GPM at 3000 psi.
11.02 The high-pressure water pump shall be a hydraulically operated
triplex piston pump.
11.03 The pump shall have the capability of being turned on or off
remotely from the truck via the wireless remote, eliminating the
need for the operator to return to the truck to engage or
disengage the water system.
11.04 The water pump must have the ability to fully vary the pressure
and the flow while mainting full vacuum performance.
11.05 The water pump shall be able to deliver the correct flow without
having to change components of the pump in the field.
11.06 The handgun hose provided must have an operating pressure
rating of 3,500 psi and a burst pressure of 14,500 psi. It must
have a 3/8" inside diameter, be 75 feet in length and be mounted
on a spring retractable hose reel
11.07 The handgun hose and water pump shall be mounted in a heated
cabinet for protection against cold weather environment.
11.08 Water flow through the digging lance shall be controlled via a
manual hand gun trigger directly connected to the digging lance.
11.09 Water system shall utilize a centrifugal charge pump prior to the
triplex pump inlet to ensure proper inlet pressure at all water tank
levels preventing pump cavitation and excessive pump wear.
11.10 Water pump shall be mounted in a location which provides a fully
flooded inlet condition of water. Water pump shall not be required
to draw water uphill.
11.11 An additional spring retratcable hose reel shall be provided
at the rear passenger side of the unit allowing two
operators to work simultaneously. Reel shall include 1/2
inch x 75 feet of high pressure hose.
11.12 The triplex pump shall be able to pump water during equipment
transport to function as a water recirculator during cold weather.
Recirculator option must be capable of producing system
pressure.
12.0 SAFETY EQUIPMENT
12.01 (1) Emergency Flare Kit
12.02 (1) 5# Fire Extinguisher.
12.03 Boom out of Position Light/Alarm
12.04 Body out of Position Light/Alarm
12.05 Voyager Quad-Cam Safety vision kit, 7" dash monitor, 4-camera
system shall be provided.
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12.06 The Dash Mounted Front, Rear and Side Vision Camera System
shall be included.
12.07 Dash Mounted 7''Diagonal x 1" Deep Flat LCD Color Monitor shall
be provided.
12.08 Screen Backlighting shall be provided.
12.09 Menu Driven Menu Screens shall be provided.
12.10 Multi-View Available On Monitor, Up To (4) Camera Inputs and Up
To (4) Simultaneous Views shall be provided.
12.11 Back-Lit Soft Touch Controls shall be provided.
12.12 6'' Mount Bracket shall be provided.
12.13 Front Hose Reel ColorCamera With 130 Viewing Angle shall be
provided.
12.14 Rear Back-up Color Camera With 130 Viewing Angle shall be
provided.
12.15 Left and Right Side Mounted Color Cameras,Each With 130
Viewing Angle shall be provided.
12.16 LED Low Light Assist On Each Camera shall be provided.
12.17 Automatic Activation of Rear Camera When Transmission
REVERSE is selected shall be provided.
12.18 Automatic Activation of Appropriate Side Camera When Turn
Signal is activated shall be provided.
12.19 Normal Image / Mirror Image Orientation shall be provided.
12.20 Manual Selection of Camera, Except In Reverse shall be
provided.
12.21 PAL compatibility shall be provided.
12.22 Quad- Adapter shall be provided.
12.23 Waterproof cable connector shall be provided.
12.24 For additional safety during vacuum excavation, a "jet-ski" style
wrist strap and tether system shall be supplied. The tether shall
attach to the digging lance while allowing unimpeded movement
of the digging lance during normal operation. Should the digging
lance be dropped by the operator, a magnetic connection on the
wrist strap will be disengaged triggering an emergency stop
condition - disabling water flow at a minimum.The wrist strap shall
feature an ingress protection (IP) rating of 67.
14.0 CONTROL PANEL
14.01 The hydroexcavator shall have all controls conveniently located on
the curbside of the unit.
14.02 The control panel shall be inside an aluminum box for protection
from weather.
14.03 The control panel shall include the following:
14.04 * - Chassis tachometer with hour-meter,
14.05 * - 5 light electronic water level gauge
14.06 * - Circuit breakers
14.07 * - Engine throttle control
14.08 * - Water pump on/off control
14.09 * - Blower RPM Gauge
14.10 * - Electronic display of hydraulic oil temperature
14.11 * - Electronic display of water temperature
14.12 * - Electronic display of blower temperature
14.13 * - Water pump hour meter
14.14 * - Blower hour meter
14.15 * - Vacuum enable/disable
14.16 * - Full boom control via rocker switches
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14.17 * - Easily accessable and visible emergency stop button to full
disable vacuum and hydraulics bringing the unit to a safe
condition
14.18 * - PTO mode indicator
15.0 ELECTRICAL & SAFETY LIGHTING
15.01 The entire system shall be vapor sealed to eliminate moisture
damage, "Nema-4" type or equal.
15.02 All electrical connections shall be void of exposed wires or
terminals nor should they be painted. Paint process shall be
completed prior to installation of wiring.
15.03 All wiring shall be color-coded and function stamped for ease of
troubleshooting. For safety and ease of troubleshooting, all
electrical circuits shall be protected by circuit breakers.
15.04 All light bulbs shall be shock mounted to eliminate bulb failure.
15.05 All other lights required by State and Federal Laws.
15.06 Electrical system shall be of solid state design, specifically
designed for mobile applications. Industrial style control systems
will not be accepted.
15.07 All chassis electrical integration to be completed via OEM type
connectors. No wire-splices will be allowed
15.08 Throttle control to be completed electronically utilizing the chassis
J1939 CAN system.
15.09 A manufactuered wiring harness specifically designed for the unit
shall be utilized. Wiring harness shall have a protective snake skin
wrapping for durability. All wiring shall be offset from potential rub
points with coated P-clamps.
15.10 Electrical components shall utilize their own, dedicated enclosure
and will be isolated from the water system cabinet.
15.11 Wireless remote must have a minimum ingress protection (IP)
rating of 67
15.12 Wireless remote shall feature two-way communication with visual
display of water pressure, vacuum level, and fuel level at a
minimum.
15.13 (2) Boom worklights shall be provided.
15.14 8 LED work lights shall be provided to fully illuminate the
operating area.
15.15 LED Lights, Clearance, Back-Up, Stop, Tail & Turn shall be
provided.
15.16 Unit to utilize a non-destructive emergency stop method. E-Stops
will open vacuum relief, throttle chassis engine to idle, turn off
water pump, disable hydraulics. E-Stops located at all HMI points
(control panel, wireless remote, optional corded pendent).
15.17 Multi-Function Wireless Remote: Includes complete boom control,
E-Stop, Throttle Up/Down, Pump On/Off, Pump Multi-Flow Up/
Down, Vacuum Enable/Disable, Vacuum Enhance.
15.18 A LED arrowstick shall be installed at the rear of the unit to
provide directional control for approaching traffic.
15.19 A beacon light shall be installed at the rear of the unit. A limb
guard shall be provided with the light for additional protection.
15.20 A beacon light shall be installed at the front of the module. A limb
guard shall be provided with the light for additional protection.
16.0 HYDRAULIC SYSTEM
16.01 The hydraulic reservoir shall have a 67-gallon capacity with
strainers on all suction lines.
16.02 The reservoir shall have an oil level sight gauge and an inspection
hatch for maintenance.
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16.03 The reservoir shall be a totally modular component and easily
removed from its storage area.
16.04 A 10-micron spin on type hydraulic filter shall be installed.
16.05 Hydraulic shut off valves shall be provided at the suction, return
and filter lines to permit servicing of the hydraulic system.
16.06 Hydraulic system shall be designed such that there are no
hydraulic lines or components mounted in the internal air flow
chambers (debris body, duct work, etc.) for reliability.
16.07 Hydraulic system shall be protected with an air-to-hydraulic heat
exchanger properly sized for system cooling. Heat exchange to be
mounted in a proper location for proper air flow and maximum
efficiency.
16.08 Hydraulic system to be powered via a power take off (PTO)
mounted directly to the transmission.
16.09 ISO 46 Hydraulic Oil
17.0 WATER HEATER
17.01 A 400,000 BTU diesel fired water heater shall be supplied
18.0 VACUUM TOOLS AND ACCESSORIES
18.01 The basic vacuum tube package shall include the following:
18.02 (2) 8" x 5' aluminum pipe
18.03 (1) 8" x 7' aluminum pipe
18.04 (1) 8" x 7' aluminum fluidizer tube w/a rubber tube
18.05 (4) 8" quick clamps
18.06 The basic water pipe package shall include the following:
18.07 1-Digging package consisting of:
18.08 * - (8) 7'-0" aluminum digging wands w/ quick disconnect
18.09 * - (2) 4'-0" aluminum digging wand w/quick disconnects
18.10 * - 4 - Single Jet Stone Age Nozzles
18.11 * - 2 - 3 Jet Stone Age Nozzles
18.12 * - 2 - Spinner Nozzles
19.0 CHASSIS EQUIPMENT AND STORAGE
19.01 Two (2) front tow hooks shall be provided.
19.02 Two (2) rear tow hooks shall be provided.
19.03 An electronic back-up alarm shall be included on the vehicle.
19.04 Mud-flaps shall be located at the rear wheels.
19.05 (1) 50" x 30" x 30" Aluminum Water Pump Cabinet Mounted
curbside shall be provided.
19.06 This cabinet shall be located on the right side of the vehicle and
utilized to house the water pump and retractable handgun reel
system.
19.07 The water pump cabinet shall be insulated with a minimum R15
rating. The cabinet shall also be heated utilizing chassis engine
glycol through an air-to-water heat exchanger.
19.08 (1) 36" x 24" x 12" Weather tight aluminum cabinet for controls.
19.09 (1) 104" x 24" x 22" Aluminum Toolbox shall be provided curbside
in lieu of tooltray
19.10 (1) 18" x 48" x 24" Aluminum Toolbox shall be provided curbside
aft of rear tire
19.11 (1) 36" x 20" x 30" Aluminum Toolbox shall be provided street side
in lieu of pipe rack
20.0 EQUIPMENT PROTECTION
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20.01 Unit shall be equipment with blower overheat protection. If blower
exceeds OEM recommended operating temperatures, the
emergency stop system will be activated preventing blower
damage.
20.02 Unit shall be equipment with blower over-speed protection. If
blower exceeds OEM recommended RPMs, the emergency stop
system will be activated preventing blower damage.
20.03 Unit shall be equipment with hydraulic overheat protection. If
hydraulic oil exceeds OEM recommended operating temperatures,
the emergency stop system will be activated preventing blower
damage.
20.04 For additional safety, the hydroexcavtor shall be designed to
prevent simultaneous multiple control imput.
21.0 PAINT
21.01 All metal surfaces shall be shot or sand blasted prior to painting.
21.02 All surfaces shall be cleaned by phosphate saline wash process
prior to painting.
21.03 The module shall have a minimum of two and one half mil of
suitable primer coat applied.
21.04 The module shall have minimum of two and one half mil finish
paint applied.
21.05 All module components shall be painted prior to assembly
process.
21.06 All hose and fittings, as well as electrical wires and connections
shall not be painted.
24.0 CHASSIS VEHICLE CONFIGURATION
24.1 2027 model year or newer specified
24.2 Set back axle - truck
25.0 Engine
25.1 Cum L9 370 hp @ 2100 rpm, 1250 lb-ft @ 1200 rpm, 2000
26.0 Electronic parameters
26.1 70 mph road speed limit
27.0 Engine equipment
27.1 Side of hood air intake with donaldson high capacity air cleaner
with safety element, firewall mounted
27.2 Dr 12v 160 amp 28-si quadramount pad alternator with remote
battery volt sense
27.3 (2) dtna genuine, flooded starting, min 2000cca, 370rc, threaded
stud batteries
27.4 Non-essential positive load disconnect, in cab control switch
mounted outboard of driver seat
27.5 Cummins turbocharged 18.7 cfm air compressor with internal
safety valve
27.6 Electronic engine integral warning and derate protection system
27.7 Cummins integrtal brake with variable geometry turbo on/off
27.8 Rh outboard under step mounted horizontal aftertreatment system
assembly with rh b-pillar mounted vertical
tailpipe
27.9 13 gallon diesel exhaust fluid tank
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