Request for Bid (RFB)

#26-050 – Paint Truck For: Walworth County Department of Public Works – Highway Division

Schedule of Events:

This schedule is in local time and is provided for your information and planning purposes. Although every effort will be made to follow this schedule, we reserve the right to modify the dates as necessary.

Contact Information:

Purchasing Agent: Carolyn Holt, Senior Buyer Address: Walworth County Purchasing

100 W. Walworth Street Elkhorn, WI 53121

Bid Issued: April 30, 2026

Substitutions Due: May 15, 2026 10:00 a.m.

Questions Due: May 15, 2026 10:00 a.m.

Final Addendum Issued: May 20, 2026

Bids Due (Closing Time): May 27, 2026 10:00 a.m.

Contract Award: June 15, 2026

Anticipated Contract Start: July 1, 2026

RFB 26-050 - Paint Truck

Table of Contents Schedule of Events:

I. POSTING OF SOLICITATION

II. INVITATION

III. TERM OF CONTRACT

IV. BIDDER QUALIFICATIONS

V. SCOPE OF SERVICES / SPECIFICATIONS

VI. OPTIONAL ADDITIVE SPECIFICAITONS, FEATURES AND OPTIONS

VII. TRADE-IN OF EXISTING COUNTY PAINT TRUCK

VIII. STANDARD TERMS AND CONDITIONS – WALWORTH COUNTY

IX. EXAMINATION OF SITE AND BID DOCUMENTS

X. PRE-BID MEETING

XI. BIDDER INQUIRIES / REQUESTS FOR EXCEPTIONS / CHANGES TO BID

XII. SUBMISSION OF BID

XIII. ELECTRONIC MODIFICATION OF BID

XIV. WITHDRAWAL OF BID

XV. BIDDER SUPPLIED DOCUMENTATION / MATERIALS

XVI. PUBLIC BID OPENING MEETING

XVII. METHOD OF AWARD

XVIII. EMERGENCY SERVICES

XIX. ADDITIONAL SERVICES

XX. NEW EQUIPMENT

XXI. SUBCONTRACTING

XXII. EMPLOYEES

XXIII. WORK HOURS

XXIV. WARRANTY

XXV. PRICING

XXVI. EQUITABLE ADJUSTMENT

XXVII. INVOICING

XXVIII. PAYMENT

XXIX. REJECTION

XXX. DEFICIENCIES

XXXI. ACCEPTANCE

XXXII. “PIGGYBACK” CLAUSE

XXXIII. CONTRACT REVIEW

XXXIV. WORK/SITE RULES

XXXV. COMPLIANCE WITH LAWS

XXXVI. INSURANCE REQUIREMENTS

XXXVII. CANCELLATION

I. POSTING OF SOLICITATION

All Walworth County solicitations are posted on the County’s Bonfire Portal at:

walworthcountywi.bonfirehub.com. To ensure notification of future opportunities with Walworth County, Bidders must be registered. Bidders may register for an account with Bonfire at no charge.

NOTE: Walworth County will make no attempt to contact Bidders with updated information. It is the responsibility of each Bidder to periodically check the portal for all notifications, releases, and addenda associated with this solicitation.

II. INVITATION

Walworth County is accepting sealed, electronic bids submitted through the Bonfire Portal from qualified firms/for a Paint Truck for the Walworth County Department of Public Works – Highway Division, hereinafter referred to as the “County,” in accordance with the specifications stated and/or attached herein/hereto. The successful bidder will hereinafter be referred to as the “Bidder” or “Contractor.”

https://walworthcountywi.bonfirehub.com/projects

Sealed, electronic bids will be received until 10:00 a.m. local time on May 27, 2026. Shortly after time of deadline, bids received will be publicly opened virtually by purchasing staff.

Contractors having considerable experience in the design and build of paint trucks or other closely related projects are invited to participate.

The Purpose of this solicitation is to award a contract to the selected Contractor that can demonstrate that they possess the technical capabilities to provide all of the deliverables required in this RFB within a reasonable project schedule and when considering the thoroughness of the Bidder’s project understanding.

In summary, the intent of this project is to purchase a new highway paint truck to support the County’s annual pavement marking program. The paint truck is a critical asset used by the Highway Division to apply centerlines, edge lines, and other roadway markings that ensure safe and efficient travel for motorists. The new unit will replace an existing paint truck. A modern paint truck will improve efficiency, safety, and line quality, ensuring clear and consistent roadway markings that enhance driver visibility and roadway safety across the County.

III. TERM OF CONTRACT

A contract will be awarded to the successful Bidder. The term of the contract shall be for a period of one (1) year, or until final delivery and acceptance of the Paint Truck, whichever occurs later. The final delivery date shall be mutually agreed upon by Bidder and County, if necessary.

IV. BIDDER QUALIFICATIONS

Bidders responding to this Request for Bid must meet the following minimum qualifications:

1. Be properly licensed and incorporated to do business in the State of Wisconsin, which includes being registered with the Wisconsin Department of Financial Institutions (DFI) if respondent is required to be registered. If respondent is not required to be registered with DFI, provide supporting reasoning.

2. May not be on the debarred from conducting business with the State of Wisconsin or Federal Government with the effective dates of this contract.

3. Have at least (5) years of verifiable experience in building paint trucks as specified. Experience should include accounts equal or larger in size and scope of this request. Experience providing services to a government entity is preferred.

4. Have a record of performance with reasonable financial support, personnel, equipment and organization to ensure satisfactory execution of the services required and specified herein.

5. Meet or exceed all minimum specifications in their entirety to be considered for award.

V. SCOPE OF SERVICES / SPECIFICATIONS

The new pavement marking paint truck must support the County Highway Department’s annual roadway striping operations, which include painting all county trunk highways, designated state highways assigned each year by WisDOT, and pavement markings completed for municipalities that contract with the County. The equipment must be capable of delivering reliable, consistent, and high-quality pavement markings that meet required safety, visibility, and reflectivity standards. To ensure uninterrupted seasonal operations, the truck must provide dependable performance under heavy annual use and incorporate systems that promote accurate material application, efficient operation, and reduced downtime. The new unit will replace an existing truck that no longer meets the performance and reliability needs required to fulfill these responsibilities.

Items listed within “Contractor Shall Provide” and “Required Specifications” shall be considered as the Base Bid.

1. Contractor Shall Provide:

A. Pre-Build Meeting:

1. A pre-build meeting shall be conducted between the Contractor and the County approximately one (1) month after the award at the County’s facility in Wisconsin.

2. Costs, including transportation, lodging, and meals for at least one Contractor representative to conduct this meeting, will be included in the bid.

B. Factory Visits:

1. A progress meeting or pre-delivery meeting shall be held at the Bidder’s facility at approximately the 95% completion point.

2. Costs, including transportation, lodging, and meals for at least two (2) County employees, will be included in the bid.

C. On-Site Training:

1. Contractor shall provide at least 24 total hours of operator and mechanic training in Elkhorn, WI.

2. Costs, including transportation, lodging, and meals for Contractor employees, will be included in the bid.

D. Shop Drawings:

1. A complete set of professional-quality blueprint drawings must be submitted with the bid. These drawings will show the deck layout, legal weight distribution projections, and plumbing design of the striper.

2. Manufacturer’s standard literature for the model and major components bid shall also be submitted.

E. Timeline:

1. Bidder must provide a timeline of paint truck delivery with the bid.

F. General:

1. Vehicle Documentation:

a. Title

b. Registration / License plates in Walworth County’s name

c. Vehicle licensed by bidder

2. Safety:

a. Truck shall be equipped with all safety markings required and in accordance with the American National Standard Safety Color Code for Marking Physical Hazards

b. Vehicle shall comply with FMVSS, OSHA platform safety standards, and ANSI Z535.1 color code requirements for hazard markings

3. Delivery:

a. Completed paint truck shall be delivered to:

Walworth County Department of Public Works Vehicle Maintenance Facility, Building A W4097 County Road NN, Elkhorn, WI 53212

4. Compliance Note:

a. All longitudinal pavement markings shall be maintained per Manual on Uniform Traffic Control Devices (MUTCD) 11th Edition Retro-reflectivity requirements, using an agency-approved method of maintenance

5. Warranty, Parts & Service, Operator’s Manuals, and Equipment:

a. Warranty:

i. Specific warranty information for each major system shall be provided for any or all components and features

ii. Provide standard warranty language

b. Parts & Service:

i. The unit’s manufacturer shall maintain a complete inventory of all replacement parts.

ii. Toll-free service department telephone numbers shall be provided.

iii. The following spare parts shall be provided with the completed unit:

• Two (2) gun activating air solenoids

• Five (5) paint spray tips

• Two (2) spray tip guards

• One (1) bead tank gasket

• Two (2) low-pressure paint filter strainer gaskets

• Two (2) high-pressure 40 mesh stainless steel paint filter screens

• One (1) minor fluid section hp pump repair kit

• One (1) spare carriage tire

• Two (2) quarts of high-pressure paint pump throat sealant lubricant

• One (1) spare air jet

• One (1) spare electric gun elevator/actuator cylinder

c. Two (2) complete sets of Operator’s Manual and Repair Parts Lists

iv. Separate manuals required for the following:

• Chassis

• Striping equipment

d. One (1) Complete Repair Manual which includes full maintenance and service guidance for the following:

• Chassis

• All related paint system equipment

e. Two (2) sets of keys with FOBs

2. Required Specifications:

The use of the name of a manufacturer or any special brand or make in the specifications is not intended to restrict the Bidder, unless otherwise indicated.

The specification establishes the character or quality of the product desired, but the products for which bids are submitted must, in all cases, be equal in every particular way to the product specified and must clearly state the brand and product number. Such substitution will be accepted only if determined by the County to be equal or superior in all respects to that specified. If the brand offered as “equal” is not acceptable by the County as “equal” to the brand and product specified, the bidder must furnish one of the specified brands.

A. Chassis:

1. Year: 2026 or current model year

2. Make: Mack Terra Pro (NO ALTERNATE OR EQUIVALENT WILL BE ACCEPTED)

a. Diesel Powered C.O.E. (cab over engine) vehicle with a steerable tag axle added

b. 6x4 configuration

3. Steering: Single left-handed

4. GVWR: Chassis shall have a GVWR of at least 66,000 lbs., with front and rear axle ratings compliant with Wisconsin bridge laws and Federal Motor Vehicle Safety Standards

5. Wheelbase: Shall be between 260” and 300” to ensure proper weight distribution and compliance with Wisconsin bridge laws

6. Frame:

a. Constructed of high-strength steel with a minimum yield strength of 120,000 PSI to ensure durability under full operational loads

b. Rail dimensions shall be no less than 10” x 3.5” x 0.375”, with cross members and reinforcement designed to prevent flexing under maximum load conditions

c. Engineered to support a GVWR of at least 66,000 lbs., including all specified components, paint tanks, platform, operators, and auxiliary systems

d. Must comply with Wisconsin bridge laws and all applicable FMVSS for axle weight distribution and structural integrity

e. Single-frame rail construction. Reinforcement liners or double-frame construction shall not be used. The single-frame shall meet all strength, durability, and load-bearing requirements specified in this RFB, including compliance with Wisconsin bridge law, FMVSS, and it must support the full 66,000-lb GVWR under all anticipated full-load conditions

f. Must include mounting provisions for the platform, auxiliary equipment, and all specified components, with pre-drilled holes and cross-members spacing suitable for secure installation

g. All components must be treated with corrosion resistant coating to ensure longevity in harsh operation environments

7. Brakes:

a. Air brakes with an anti-lock system and a heated air dryer

b. Front axle Meritor automatic slack adjusters, Halodex brake chambers, Meritor S-Cam type 16.5 x 6 Q+

c. Rear axle Meritor automatic slack adjusters, Halodex gold seal plus 3” stroke spring brake chambers type 30/30, Meritor S-Cam type 16.5 x 7 Q+

8. Engine:

a. Mack MP7-355C

b. 355 HP

c. Emissions compliant diesel-powered engine

d. Capable of producing 355 gross horsepower @2100 rpm and 1250lb-ft torque

e. Radiator and heater hoses to be silicone with spring loaded clamps

f. Corrosion resistant oil pan and hardware

9. Fuel Supply: 80-gallon minimum capacity

10. Engine Air Intake:

a. Dry element

b. Heavy duty

c. Dash-mounted restriction indicator

11. Alternator: 160 amp minimum

12. Battery:

a. Three (3) 12-volt batteries

b. Maintenance-free

c. 900 CCA minimum, threaded stud-type

d. Disconnect switch shall be Flaming River big switch wire to positive side

13. Transmission:

a. Allison 4500 RDS Automatic transmission

b. Electronically controlled

c. Fully compatible with engine control system

14. Suspension:

a. Taper leaf or front flatleaf and shock absorber

b. Rear air guide

15. Tires:

a. Steel belted radials sized to match GVWR and GAWR ratings

b. Steel wheels

c. Protective nylon spacer discs between wheel surfaces and wheel-to-drum surfaces

16. Cab:

a. Fully enclosed tilt-type custom cab with individual driver’s seat (mid-height, air-ride, adjustable lumbar)

b. Passenger seat

c. Left and right sun visors

d. Air horn

e. All chassis locks, cab door locks, and the ignition shall be keyed alike (H-63) to ensure consistent keying for all vehicle access and operation points

f. Two-speed intermittent windshield wipers and washers

g. Seat belts

h. Air Conditioning

i. Heater

j. Engine tachometer and hour meter

k. Right and left rear-view to be 7” x 16” (minimum) electric motorized mirrors

l. Tinted safety glass windows

m. Rear window

n. A 5-lb ABC-rated fire extinguisher shall be horizontally mounted on the rear cab dash console with the nozzle facing the driver

17. Electrical and Lights:

a. Headlights

b. Emergency flasher light

c. Cab clearance lights and all other standard lighting equipment

d. Remote digital speedometer and a low-speed engine rpm control system shall be capable of maintaining consistent vehicle speeds on flat surfaces down to 5mph

e. Preco 380 backup alarm

B. Equipment Safety and Performance Requirements:

1. Unit shall have the following:

a. A two (2) color paint delivery system capable of painting 4” to 10” wide lines per gun with spacing adjustable from 0” to 6” wide

b. One white gun must be capable of spraying 10” wide lines

2. Standard latex traffic paint shall be applied with the unit at a wet film thickness of at least 15 mils at speeds of 10mph.

3. The unit shall be capable of transport (non-painting) speeds up to 65mph minimum

4. Standard specification glass beads shall be applied with the unit at an application rate of 10 lbs. per gallon of traffic paint applied

5. The unit shall apply markings using two side-mounted line striping carriages. Independent carriage steering systems shall allow in and out adjustment of each gun carriage from the rear operator’s station at the rear of the truck platform. The unit shall operate in its own lane of traffic and apply the centerline and fog line simultaneously

6. Overall height shall not exceed 12’6” in both the operational and storage mode

7. When loaded (paint, beads, operators) to anticipated full capacity, the unit shall not exceed the cab and chassis manufacturer's weight ratings of the vehicle at any tire or axle position

8. Comply with all axle-to-weight ratios required to meet Wisconsin bridge laws

9. An easily accessible main power “kill” switch shall be provided in the chassis cab and at the rear operator station for immediate power shut off of paint and bead gun control electrical functions

10. Contractor shall install customer-provided Samsara forward / rear-facing cameras plus vehicle gateway and monitor

11. A backup camera system shall be installed that is visible to the paint truck driver in the cab

C. Platform:

1. Compliant with ASTM standards

2. Factory standard paint color of white

3. Black powder coating shall be used on brackets, gun carriages, and line guide

4. Platform shall be 96” wide and no longer than 24’

5. Constructed of 3/16” deck plate

6. Botton step or bumper must be installed at approximately 18” plus/minus 1” from the road surface

7. Rated for a minimum distributed load of 20,000 lbs.

8. Walking area surfaces of platform shall be covered with anti-slip material

9. Deck shall be installed on chassis frame rails using steel risers that are bolted to the chassis frame rails

10. Railings shall be 42” high with mid rail welded or bolted to deck with three (3) 42” high foldup steel ladders with a grab handle on each side of ladder openings for access to deck-mounted components

11. Finger pull latch will store the ladders in a flush position with the railing when not in use

12. Steel rear bumper with stair step rear access incorporated into the design with right-side hand railing

13. Operator’s Enclosure:

a. Unit shall be equipped with an aluminum operator’s enclosure on the rear of the main platform measuring approximately 96” wide x 60” deep x 75” high

b. Support posts shall be kept to a minimum in size and number to maximize operator visibility while still providing adequate structural support for the enclosure

c. The windows behind each operator and in front of the control console shall be slider-type to allow for ventilation

d. Side windows, as large as possible, to provide the best visibility

e. Operator’s enclosure shall be covered with aluminum sheeting and shall be electrically welded and caulked at all joints

f. One inch (1”) foam insulation with perforated vinyl covering shall be installed on interior cab walls

g. Floor mat(s)

h. Rear-hinged door in the center of the cab’s back wall for access to the operator stations from the rear platform

i. A front-hinged door to allow operator access to the platform from the cab

j. Sound ratings during operation inside sealed cab shall be 72 decibels or less

k. Two (2) high-back vinyl air-ride seat assemblies shall be mounted, one on the driver’s side and one on the passenger side of the enclosure

l. Each seat assembly shall be adjustable and equipped with seatbelt / tether, inside fold-down armrest, fixed padded armrest at base of window, and full backrest

m. Heat and air conditioning units shall be installed

n. No less than 48,000 BTU/hr. of heating and 25,000 BTU/hr. of cooling shall be provided with 550 cfm airflow

o. Air conditioning and heating control panels shall be accessible by the operator

p. Two (2) variable-speed recirculation fans with ability to control from inside the operator’s cab

14. Carriage:

a. Two (2) heavy duty parallel arm type centerline and edge line carriages shall be mounted behind the rear most axle on each side of the vehicle

b. The carriages shall be positioned in such a manner that the operators will have a clear view of the painted markings being duplicated from directly above the carriages

c. The plumbing on the carriage must be routed so as not to obstruct the view of the operator

d. Carriages shall be supported by auto lock brackets in the transport position and adjustable gun brackets are to be zinc plated for durability and ease of clean-up

e. The configuration of the left-side carriage shall be:

i. Three (3) paint guns: two (2) airless yellow paint guns, one (1) airless white paint gun

ii. Three (3) glass bead guns

iii. The carriage shall be supported by two (2) heavy-duty, four-ply rating pneumatic tube type

5.00 – 5/10/160, 13” minimum diameter aircraft-style tire/wheel assemblies to maintain its relative position from the surface being painted

f. The configuration of the right-side carriage shall be:

iv. with two (2) airless white paint guns, and two (2) glass bead guns

v. This carriage must be capable of applying one single 4” wide white line, or a single 10” wide line using 2 paint and two bead guns mounted side by side

g. The carriage shall be supported by one (1) center-mounted heavy-duty four ply rating pneumatic tube type 5.00 – 5/10/160, 13” minimum diameter aircraft-style tire/wheel assembly to maintain its relative position from the surface being painted

h. The carriages shall be equipped with a pneumatic air cylinder to lift the spray gun carriage off the road surface and to apply slight down pressure when striping

i. The lift switch on the gun controller box shall electrically control the pneumatic cylinder

j. The gun carriages shall be supported by dual (two per carriage) tube in tube retractable structural steel slides

k. Moving portions of the slides shall be supported by UHMW PE bearing material

l. All bearings or pivots on the carriage slide, where relative motion occurs, shall be fitted with replacement bushings and anti-friction bearings with lubrication fittings where applicable

m. Each carriage slide assembly shall be equipped with a double-action, hydraulic cylinder to move the carriage from its transport position to any point in its 5’ operating range

n. Each carriage slide assembly shall be equipped with a double-action, hydraulic cylinder to move the carriage from its transport position to any point in its 5’ operating range

o. The power steering system shall provide smooth, continuous adjustment of the carriage position without any jerk or hesitation and shall maintain the carriage at any given point within the operational range without the use of a locking device

15. Guide Assembly:

a. The Unit shall be equipped with a front-mounted, laterally adjustable pointer guide assembly approximately 6’ to 10’ long

b. The guide shall be of tubular steel or aluminum construction, telescoping and mounted on a

4.10 x 3.50-4 pneumatic wheel and equipped with a caster mounting and rigidly reinforced to prevent vibration

c. The guide shall collapse into a convenient transport position and shall not obstruct the view of the chassis driver

d. The guide assembly shall be designed so that it can be located outboard left side to guide from the centerline or outboard right side to guide from the edge line

e. The line guide shall not require any tools to change its position from side to side (edge or centerline), or to extend or retract its length

f. The guide assembly shall be equipped with a pneumatic power lift to raise the guide from the pavement to transport position

g. The control switch shall be mounted in the chassis cab

D. Paint Storage:

1. Two (2) paint storage containers shall be supplied on this machine with a minimum capacity in each of 500 gallons

2. Each shall be made from 10-gauge stainless steel sheeting

3. Overall capacity shall be not less than 1,000 gallons (U.S.), divided into two (2) sections:

a. One (1) 500-gallon section for yellow

b. One (1) 500-gallon section for white

4. A four-inch splash area will remain at the top of the tanks when fully loaded

5. Each tank shall have a sloped bottom, which shall ensure a flooded tank outlet and allow for better drainage

6. A step shall be provided for operator access to the top of each paint tank section

7. Each tank shall be equipped with a ½” minimum bleeder line from the high-pressure paint pump back to the top of the paint tank

a. This will allow for relieving paint pressure from the high-pressure paint filter prior to cleaning when desired

8. A ½” stainless steel ball valve on each end shall be provided to seal off each hose to prevent drying and plugging when not in use

9. A fitting connector to a 1” recirculation line from the heat exchangers shall also be installed at the top of each tank section

10. A 1” recirculation line shall be plumbed to the top of the associated paint tank from the inlet of each associated paint high-pressure paint pump to allow low-pressure paint recirculation

11. Fittings shall be provided on the tank with a 1” stainless steel ball valve on each end to seal off each hose to prevent drying and plugging when not in use

12. Each section shall include a stainless-steel inspection opening of sufficient size to allow safe, effective access for cleaning, inspection, and maintenance

13. The inspection lid shall be hinged and shall include an over-center type adjustable clamp

14. Each compartment shall be fitted with a fully removable bolted lid cover and a pressure equalization vent

15. The vent shall be protected from paint splash by two 90° elbows

16. Each tank section shall be equipped with a single hydraulically driven agitator assembly

17. The agitators shall be equipped with speed-adjusting control located at the agitator and on/off control located at the operator’s control console

18. Stainless steel dipsticks with threaded sealable caps shall be installed in each paint tank section to monitor paint usage

19. All paint tank internal walls, plumbing, valves, agitator shaft and paddle, and dipsticks shall be constructed using a minimum of 304 grade stainless steel and shall be coated with EZ-Slide RB- 9512 graphite-based coating

E. Airless Paint System:

1. Two (2) stainless-steel paint pumps with a combination of leather/UHMWPE packings rated at 13.0

GPM @ 2000 PSI shall be provided

2. Each pump shall be equipped with an 18 sq. in. high-pressure stainless-steel paint filter with 40 mesh screens, an American Society of Mechanical Engineers (ASME)-certified high-pressure stainless-steel surge chamber, and a check valve

3. A high-pressure bleeder line with stainless steel ends shall be installed in each paint tank with ball valves at each end of the hose to allow pressure relief from the filter canister to the tank prior to cleaning the filter screen

4. Paint pressure shall be electrically controlled from the operator’s station for paint pressures ranging from 250 to 1,600-PSI G

5. The Unit shall be equipped with an electric shut-off valve for each airless paint pump that can be accessed from either rear operator position

6. Manual type valves not permitted

7. All plumbing, piping, and hoses shall be protected from chafing where applicable

8. Two (2) 2” paint load/charge pumps with 100 sq. in. filter with 1/8” screen holes

9. Two 2”x12’ load hoses with cam & groove fittings on both ends with 1 ½”x40” stainless steel pipe load tubes with 90° elbow with cam & groove fitting shall be provided to load paint

10. These pumps will be used to load yellow and white paint into the platform-mounted paint tanks

11. They shall also be used while painting to transfer paint from the tanks, through the heat exchangers, and to the HP paint pumps

12. All wetted plumbing on the paint loading system shall be constructed of stainless steel, including pumps, filtration assembly, etc.

13. All plumbing lines from the material containers to the strainers shall be ASTM (American Society for Testing and Materials) specification 2” ID size minimum with cam-lock connections, crosses, tees used liberally throughout the installation to insure convenient maintenance and cleanout

14. All fluid lines from the strainers to the striping guns on the carriages shall be not less than ½” ID solvent resistant type rated at 3000 PSI

F. Paint Heating Equipment:

1. A paint heating system shall be provided capable of heating two colors (yellow and white) simultaneously at maximum paint application and striping speed

2. The paint heating system shall ensure constant relative viscosity of the materials and maintain paint temperatures within plus/minus 5 degrees of setpoint under continuous operation

3. The paint heating installation shall consist of three (3) separate four-pass heat exchangers

4. The water glycol to paint heat exchangers requires a heat transfer area of not less than 70 square feet for maximum heat exchange

5. The 34 sq. ft. water glycol to water glycol heat exchanger will act as a buffer between the auxiliary engine cooling system and the paint system

6. The glycol circulation pump shall be a 1” diaphragm pump (ARO or equal) with air regulator and liquid filled gauge installed at the pump

7. Each heat exchanger shall be equipped with its own free flow control valve and solenoid-operated valve to allow heating of the paint only as required to supply sufficient material to the paint guns

8. The Unit shall be complete with two (2) thermostats, temperature indicators, hot water hoses and controls

9. The two paint heat exchanger tubes, end bonnets, and paint plumbing shall be constructed of 304 stainless steel

10. The heat exchanger thermostats, digital temperature readout, and control devices shall be installed in the operator’s control console

11. The control panel shall provide necessary controls for the exchangers and shall indicate when the heating system is turned on and when the paint is at the proper spraying temperature in each exchanger

G. Water / Solvent Cleaning System:

1. A garden hose connector shall be provided at the inlet of each low-pressure paint pump for thorough flushing of the paint plumbing by connecting a standard water supply hose to flush the system when using latex paint

2. A non-pressurized 25-gallon poly tank with 12-volt DC pump with power switch on the pump shall be provided for cleaning off the gun carriages, hand washing, spills, filter, tips, etc.

3. A 25’ hose with a cleaner gun shall be installed on a re-tractable hose reel at the rear of the truck

H. Bead Dispensing Equipment:

1. The Unit shall be equipped with an ASME-certified 5,000-pound (or larger) capacity, carbon steel pressure bead tank

2. The gasketed lid shall be hinged and have a welded handle for opening the tank when needed

3. The bead tank shall be equipped with a 100 lb. air pressure vacuum gauge, ASME safety valve, and air bleed jet

4. A full steel skirt shall be provided around the bottom of the tank for flush mounting to the platform

5. Tank pressure is to be regulated from the operator’s control panel

6. Pressure bead pipe (hose is not acceptable) with a minimum diameter of 2” ID shall be provided to convey the beads from the bead tank to a bead manifold

7. Pressure bead hoses from the distribution manifold to the bead guns shall be 1” ID, clear poly spring reinforced

8. Sight level gauges shall be provided as an integral part of the glass bead tank

a. Located at ¼, ½, and ¾ levels vertically on the outside of the bead tank

9. A vacuum bead loading system shall be provided, powered by a jet pump with a muffler

10. A 2”x12’ load hose with cam & groove fitting on the tank end and 3’ suction tube on the other end

11. A splitter/screen shall be installed in the neck of the bead tank to keep foreign objects from entering the bead system

12. A step shall be provided for operator access to the bead loading valves on the top of the bead tank

I. Paint and Bead Guns:

1. The Unit shall be equipped with high-volume, high-pressure, automatic, airless striping guns

2. The fluid housing and packing assembly shall be constructed of 300-grade stainless steel

3. The outlet seat shall be tungsten carbide to resist abrasion

4. The striping guns shall be equipped with reverse-a-clean type tips and shall be interchangeable without the use of tools for various spray patterns and flow rates

5. Each paint gun shall be equipped with an electric actuator and control switch to raise and lower each gun individually from the operator’s position

6. Air jets or dusting guns will be installed in front of each paint gun on the carriages to blow away dust and light debris from the road surface prior to the paint application

7. These air jets/dusters shall be controlled electrically with a designated switch in the controller box from the rear operator’s cab

8. The Unit shall be equipped with glass bead guns capable of being operated independently of or simultaneously with the associated striping guns

9. The bead guns shall be fully adjustable for the desired output

10. Full-length 1”ID clear poly-spring bead hoses to be provided from the bead manifold under the bead tank to the bead guns

11. Each gun shall be controlled electrically by individual electro-air valves with ¼” air-ports (minimum)

12. They shall be mounted in a block/manifold style and mounted on the frame of the carriage

13. A manual override shall be provided for each solenoid at each gun carriage to allow activation of each individual paint and bead gun from the carriage location

14. All air control lines to the striping guns and electro-air valves shall be not less than ¼” ID solvent-resistant hose tested to 125 psi or comparable

J. Hydraulic System:

1. One pressure-compensated piston-type hydraulic pump shall be provided (2.75 CIR minimum)

2. The pump shall be directly mounted to the auxiliary engine

3. Belt-driven systems are not acceptable

4. A hydraulic reservoir shall be provided that is large enough to provide adequate cooling (30 gallons minimum)

5. The reservoir shall be equipped with an internal baffle, sight level/temperature gauge, and vented fill cap

6. The reservoir shall be situated above the inlet of the hydraulic pump to ensure flooded inlet suction to the pumps

7. The return port on the reservoir shall be equipped with a 50-gallon-per-minute hydraulic return filter

8. The return filter shall be either an external return filter with a replacement indicator gauge and shut off valves for isolation of the filter for servicing or an in-tank type with replacement indicator gauge and any necessary valves required for isolation of filter during servicing

9. The system shall include an oil after cooler with temperature switch and 12 V fan to prevent overheating

10. Take out temperature switch and have a full-time running fan

11. All high-pressure hydraulic hose shall be rated at a minimum of 2,000-psi working pressure

12. A shut-off valve will be installed in the low-pressure plumbing of the hydraulic system to isolate the reservoir and limit fluid loss when maintenance is performed

K. Air Compressor:

1. The compressor shall be a rotary screw type with a minimum displacement of 250 CFM

2. The compressor shall be conveniently mounted on the unit for easy daily maintenance and access

3. The compressor shall be powered by an appropriate engine and shall draw fuel from the chassis fuel tank

4. An insulated housing shall surround the engine and compressor with removable access panels

5. A remote-control shall be provided for control and monitoring of the compressor from the rear operator’s cab

6. It shall include on/off controls and gauges for air pressure, hour meter, voltmeter, engine oil pressure, engine coolant temperature, and compressor discharge temperature

7. The compressor to remain the original factory powder coat color

L. Air Distribution System:

1. The air system shall be equipped with a 12-gallon air receiver with a moisture drain and a safety relief valve

2. The main airlines leading from the compressor to the air receiver shall be equipped with reusable fittings

3. All compressed air shall pass through an air filter/moisture separator with auto ejector drain

4. The filter/moisture separator shall be a minimum ¾” NPT inlet and equipped with replaceable filter element

5. The air supply is to be conditioned by an air after cooler with electric fan and an extractor/dryer with auto drain

6. Electric fan shall run when compressor is engaged

7. Two (2) air take off quick disconnect ports shall be provided-one at each gun carriage

8. A preset regulator shall be provided for carriage down pressure

9. A liquid filled system air pressure gauge shall be installed in the control console at the operators’ station along with liquid filled gauges and air pressure regulators for bead tank pressure and for the low-pressure paint pumps

M. Rear Control Center

1. The Unit shall be equipped with a metal control panel located within reach of the spray control operators

2. The control panel shall have removable front and hinged access doors

3. The faceplate of the operator’s control panel shall be black with etched white control function labels

4. All control labels shall be permanently engraved or etched, meeting UL standards for durability

5. Regulators shall be non-corrosive and self-evacuating and equipped with diaphragms and a locking device

6. Each air regulator shall have an associated 0-160 psi liquid filled pressure gauge

7. Regulators and gauges shall be of panel mount type

8. An auxiliary light designed for recreational vehicles or similar mobile applications shall be installed inside the operator’s console to illuminate the electrical connections for servicing

9. This light shall be switched from inside the console and shall be UL-approved and CSA-compliant

10. The housing and clear lens shall be acrylic, and the 2-wire construction will be 16 gauge

11. 12v bulb shall be replaceable

N. Electrical System:

1. All electrical power circuits for the striping equipment shall originate from the Electrical Power

Control Panel located in the lower section of the operator’s control console

2. A dedicated, fused circuit shall be provided to support a chassis-mounted computer and 2-way radio

3. Each circuit shall be color-coded wire and shall be protected by fuses

4. All junction blocks at the control box and on the gun carriages shall be protected from the weather and shall follow standardized cable color-coding

5. Junction blocks are to be UL-listed

6. The wiring harness between the junction blocks is to be protected by polyethylene corrugated loom wire covering

7. Shrink tubing shall be used as a protective covering on the wiring from the cart junction box to the air solenoids

8. Individual ground wires shall be supplied for all electrical components and functions

9. Chassis grounding is unacceptable

10. Wire connections shall be done inside the junction box or control panels; spliced wiring is unacceptable

11. Cable connectors for the control boxes shall be quick-disconnect plugs and receptacles designed for quick removal

12. The connections shall be the correct gauge rated to withstand the current needed to operate the guns and the control box

13. A “Kill Switch” shall be provided in the chassis cab to shut off all electrical controls for the striping guns

14. A chassis cab-mounted LED amber lightbar shall be provided

15. Four (4) LED amber/green beacons:

a. One (1) on each front corner of the deck

b. One (1) on each rear corner of the unit

c. Two (2) 180-degree mini strobe lights on gun carriages, with one installed on the outside edge of each gun carriage

16. Two (2) four-line controllers shall be provided

17. Ground speed signal shall be obtained from a heavy-duty aluminum wrap installed on the chassis driveshaft

O. Electronic Skipline Controller:

1. A six (6) digit, digital reset, footage meter capable of measuring actual feet of line applied shall be supplied for each spray gun position

2. These footage meters to be mounted in the master control center

3. Footage counters shall accumulate and display upon command the total feet (or meters) painted by each striping gun to the nearest foot

4. Five (5) total electric gun actuators shall be provided to adjust the height of the paint guns remotely

5. Control switches shall be provided on each respective Master Control Box to control the height of the paint guns on each respective gun carriage

6. The most current computerized microprocessor system using non-contact stroke counters shall provide a readout in the chassis cab of gallons of paint used per mile

a. This reading shall be visible to the driver at any time during or between operations

b. This system will also display a total of gallons used on a particular day or job

7. Three digital load cells under the bead tank shall provide a readout in the chassis cab of the lbs.

per gallon of glass bead application

a. This reading shall be visible to the driver at any time during or between operations

b. A reading of total lbs. used will also be displayed

8. A digital scale head will be provided to display the actual lbs. of beads remaining in the tank

P. Paint and Bead Data Acquisition:

1. An onboard computer management system shall include a customized 13.3” LCD touch screen

2. A 5-line text editor will allow input for the operator’s documentation of road numbers, temperature, time of day, etc., to be associated with the information provided by the data acquisition system

3. Ambient temperature, road surface temperature, and humidity level readings shall be displayed and recorded

4. A full-page printer shall be installed on top of the rear console in the rear operator’s cab

5. USB jump drive data transfer capability

Q. Message Board:

1. A fixed, mounted, rear-facing two (2)-line message board shall be included on this unit

R. Intercom System:

1. A hard-wired inter-communication system shall be furnished to provide a means of vocal communication between the driver of the vehicle and operators of the striping equipment

2. A three-position intercom system shall be provided with a dual headset port at the driver’s position and a single port at each operator position

3. The following headsets shall be provided:

a. One (1) single muff

b. Two (2) dual muff design

4. Three (3) headset storage hooks shall be provided

S. Guidance and Carriage Laser:

1. A Remote-Controlled guidance laser shall be mounted on the lightbar bracket on the roof of the chassis cab

2. The remote control shall be located near the driver’s position

3. The controller shall allow the driver to turn the laser on or off and to position the laser beam remotely

4. A manual carriage laser shall be mounted on the outside of the gun carriage as an aid to positioning the gun carriage

5. The controls for on/off, steady burn, or blinking mode shall be located at the operator position

6. The laser shall be manually positioned and shall be movable from one carriage to another to be utilized for painting the center and edge lines

VI. OPTIONAL ADDITIVE SPECIFICAITONS, FEATURES AND OPTIONS

These optional specifications are features that the County may elect to include in the award. Bidder shall provide a response to Optional Add Alternate Bid No. 1 in the requested Bid Table (BT-89HR). Bidder shall provide responses to Optional Add Alternate Bid Nos. 2-4 as PDF (.pdf) documents which include individual itemized pricing for each optional specification, if applicable. These options will not be included in the basis for award.

A. Optional Add Alternate Bid No. 1 – Platform:

1. Removable aluminum rear fenders with aluminum guard forward and mud flap with anti-sail bracket to the rear

2. LED Lighting

3. Two (2) 10# fire extinguishers (ICC approved, ABC type) and two (2) holders shall be provided and installed by Contractor

4. Underside of the deck painted the same color as the top of the deck

5. All applied coatings shall be certified lead-free. Coating systems shall contain no intentionally added lead compounds and shall comply with applicable federal and state regulations governing hazardous materials in industrial coatings. Coatings must meet adhesion, corrosion-resistance, and durability requirements suitable for heavy-duty equipment service

6. Unit prime-coated with a two-component urethane primer system and topcoat, or powder-coated

B. Optional Add Alternate Bid No. 2 - Warranty:

1. Provide a list of optional additional warranty options – à la carte style – indicating pricing for each.

Include coverage duration and major component details for each option.

C. Optional Add Alternate Bid No. 3 - Additional Features and Options:

1. Provide list of additional features and options that provide measurable operational, safety, or lifecycle benefits including the following:

a. Detail description

b. Associated cost, if any

c. Expected benefit

D. Optional Add Alternate Bid No. 4 - Troubleshooting / Diagnostic Software:

1. Provide software for diagnosing or troubleshooting issues with all applicable portions of the paint truck system (if available)

VII. TRADE-IN OF EXISTING COUNTY PAINT TRUCK

As part of this RFB, bidders are required to provide trade-in value for the County’s existing paint truck. The information below is related to this equipment:

• 2007 Chevrolet T-8500 Serial # 1GBP8F1337F411942

• EZ Liner AL900-EZ Serial # 1C07135TS

• 66387 miles on chassis

• 6233 hours on pony motor

• Unit has been repaired as required and extensive preseason maintenance annually

• Extensive refurbishment completed in 2020 including mechanical and technology upgrades (see Attachment A) totaling $128,528.92

• Hydraulic pump and motor that drives the compressor have been replaced

• Chassis sent to Central Illinois Trucks (CIT) in 2019 for tune up (see Attachment A) totaling $11,288.21

The trade-in value must be listed as a separate line item and will be deducted from the total base bid price.

County’s current paint truck will remain in use until acceptance of the new paint truck therefore miles listed will increase.

VIII. STANDARD TERMS AND CONDITIONS – WALWORTH COUNTY

The Standard Terms and Conditions of Walworth County are made a part of this Bid by reference. Standard Terms and Conditions are available on the internet, under the Purchasing Division on the Walworth County Home Page or by clicking on the following link:

http://www.co.walworth.wi.us/DocumentCenter/View/479/05-2017-Standard-Terms-and-Conditions-PDF

Documents are also available, upon request, by contacting the Buyer listed on the cover of this solicitation.

IX. EXAMINATION OF SITE AND BID DOCUMENTS

Bidder is required to carefully examine the bid, the scope of work, the site of the work, and the contract contained herein. It will be assumed that the bidder has investigated and is satisfied as to the requirements of the bid documents. It is mutually agreed that the submission of a bid shall be considered as conclusive evidence that the bidder has made such examination and is satisfied as to all the conditions and contingencies.

http://www.co.walworth.wi.us/DocumentCenter/View/479/05-2017-Standard-Terms-and-Conditions-PDF

Pleas of ignorance of conditions that exist or that may hereafter exist, or of conditions or difficulties that may be encountered in the execution of the work under this specification as a result of failure to make the necessary examinations and investigations will NOT be accepted as:

• An excuse for any failure or omission on the part of the Bidder to fulfill, in every detail, all of the requirements of the bid, or

• As a basis for any claims whatsoever for extra compensation, or

• For an extension of time.

X. PRE-BID MEETING

A pre-bid meeting is NOT scheduled for this project.

XI. BIDDER INQUIRIES / REQUESTS FOR EXCEPTIONS / CHANGES TO BID

Bidders should request interpretation or correction of any ambiguity, inconsistency, or error in the RFB requirements.

Consideration will be given to a bidder’s request for a change if any of the terms and conditions of this bid are not in full accord, or if changes, alterations, additions or deductions are necessary for your firm to be compliant with the specifications and submit a response. Any questions, requests for changes, clarifications, etc., must be submitted in writing using the “Messages” feature under this Project in Bonfire at https://walworthcountywi.bonfirehub.com/opportunities/225308

Substitution requests will be considered as follows:

1. Written substitution requests must be received no later than May 15, 2026, at 10:00 a.m., local time.

Any requests shall be submitted on the Substitution Request Form (Attachment B) by sending a “Message” via Bonfire and stating that you intend to submit a Substitution Request.

2. Approved substitutions will be posted by Addendum.

3. The County’s decision is final regarding all product approvals/rejections.

4. Substitutions received after the substitution due date will not be considered.

5. If no substitutions have been submitted for approval and approved, as described herein, then the specified products must be furnished.

Questions must be received no later than May 15, 2026, at 10:00 a.m. You will not be able to initiate messages to the Buyer after this time.

Unauthorized Bidder contact regarding this RFB with any County employee may result in disqualification of Bid. Any oral communication will be considered unofficial and non-binding. Bidders shall rely only on written addenda issued for this opportunity.

Any changes as a result of a written request will be issued via addendum and will be posted to the Bonfire Portal. Bidders are responsible for monitoring Bonfire Portal. Each addendum forms an integral part of this RFB and contains important information which may include significant changes to this RFB. Bidders are responsible for obtaining all addenda issued prior to the opening date. The County will make no attempt to contact Bidders with updated information.

XII. SUBMISSION OF BID

Bidders, by submitting a response to this RFB, certify and agree to meet all the requirements as stated herein.

A bidder must state in their response if they are unable or unwilling to meet any requirement. Inability or unwillingness to meet any requirement, in part or in whole, may be cause for disqualification. Any exceptions taken by the bidder must be clearly identified in the bid.

https://walworthcountywi.bonfirehub.com/opportunities/225308

Bids shall be irrevocable until Contract award unless the bid is withdrawn. Bidders may withdraw a response at any time until the submission deadline. Bidders shall assume full responsibility for ensuring electronic delivery of bids before the RFB deadline. Bidders should allow sufficient time to complete the electronic submission by the date and time specified. Walworth County will only accept electronic submittals in response to this RFB. All bids must be submitted electronically using the Bonfire Portal by the time and in the manner prescribed. Bonfire will serve as the bid collection destination.

1. Bid Content:

A. Requested Information:

Group Name Type # Files Requirement

Acknowledgements and Subcontractors

There are various questions to Acknowledge/respond to N/A Required

Pricing Bid Form (BT-89HR) (Includes Optional Add Alternate Bid. No. 1 and Trade-In

Deduction…