Exhibit B 2023 SMD Paratransit Spec_6-14-23.docx

2023 IDOT Super-Medium Duty Paratransit Spec

1. GENERAL

1.1. SCOPE

1.1.1. These Technical Specifications cover requirements for Super Medium-Duty Paratransit Vehicles which may be used for rural, suburban and urban general paratransit service, or for small urban fixed-route operations. These vehicles shall be used on urban streets and rural roadways in the general environmental and climatic conditions prevailing throughout the State of Illinois. Vehicles will be used by the widest possible spectrum of passengers, including the elderly and persons with disabilities.

1.1.2. It is the intent of this specification to describe the design requirements for a super medium-duty paratransit vehicle rugged enough to withstand intensive daily service and provide maximum reliability and availability, with a minimum of maintenance and repair time. The vehicle shall allow for comfort and safety, combined with excellence in reliability, operating characteristics, efficiency, and economy of operation. Design is subject to review and final approval by the Procuring Agency.

1.1.3. The vehicle shall be fully compliant with the applicable requirements of the Americans with Disabilities Act (ADA) and any revisions published by the Architectural and Transportation Barriers Compliance Board or the Federal Transit Administration for non-fixed route operations. Through the selection of listed options, the vehicle can be modified, at the option of the Procuring Agency, to be compliant with the requirements of ADA for fixed route operations as well. Where these specifications exceed the requirements of ADA, the specification requirement shall apply.

1.1.4. The vehicle provided shall be fully tested to assure compliance with the performance and safety requirements of the specifications. At the option of the Procuring Agency, the Vendor may be required to provide test results and/or certifications ensuring compliance with the requirements of the specifications. Test results, certifications or written documentation outlining test procedures and results shall be prepared by a Professional Engineer and/or test laboratory certifying compliance with the requirements of this section. All documentation shall be provided by the Vendor for approval by the Procuring Agency.

A - Seated capacity for 22 forward facing seats and seven wheelchair/mobility aid locations, Section 1.5.1.1.1.

B - Seated capacity for 26 forward facing seats and seven wheelchair/mobility aid locations, Section 1.5.1.1.1.

C - Seated capacity for 30 forward facing seats (minimum) and seven wheelchair/mobility aid locations, Section 1.5.1.1.1.

1.1.6. The basic vehicle shall be designed as a Purpose Built or Cutaway Body-on-Chassis Bus, incorporating a body structure designed and constructed as a complete integral unit.

1.1.7. Submittals and approvals required by the Procuring Agency are summarized below. Specific requirements are included in each applicable section.

1.1.7.1. Submittals that shall be prepared and available to the Procuring Agency:

Section 1.1.4. - Documentation that assures compliance with the performance and safety requirements of this specification.

Section 3.5.2.8. - Additional restraints if required to ensure stored integrity of the wheelchair/mobility aid lift.

Section 5.1.3.1. - Information pertaining to the Vendor’s configuration control program.

Section 5.1.6.4. - Information pertaining to the Vendor’s quality assurance program.

1.1.7.2. Approvals required by the Procuring Agency after completion of the Pilot Vehicle and prior to production:

Sections 1.5.3.3. and 1.5.3.4. - A letter from the chassis manufacturer approving alterations that increase the OEM’s stated GVWR, and that the alterations meet FMVSS requirements if applicable.

Section 1.5.5.5. - Approval if any component with identical functions are not interchangeable among all vehicles.

Section 1.5.6.2. - Approval if any component parts installed in the vehicle are not exact duplicates if applicable.

Section 1.5.6.3. - Approval if vehicle is not completed on PVM/Vendor’s dedicated assembly line.

Section 2.1.4.2. - Performance data to justify powertrain selected.

Section 2.10.2.1. - Approval of fuel tank.

Section 2.11.1.1. - Approval of analysis of the estimated electrical load expressed in amps for each system described.

Section 2.11.1.3. - Approval of bell tones when key left in ignition and headlights left on with ignition switched off.

Section 2.11.2.1. - Demonstration that the alternator charging system will meet operational electrical load demands.

Section 2.11.4.1. - Approval of location, accessibility and details of primary and secondary batteries including tray and compartment.

Section 2.11.4.3. - Approval of electrical disconnect switch.

Section 2.11.5.10. - Approval of add-on circuit breaker panel location if applicable.

Section 2.11.8.2. - Approval of speaker locations.

Section 3.2.5.4. - Approval of method of exterior panel attachment.

Section 3.2.5.5. - A listing of designated welders, their certification and/or training, and quality assurance procedures for welding.

Section 3.2.6.2. - Approval of exterior paint and color.

Section 3.2.10.1. - Approval of design and installation of running board.

Section 3.3.4.4. - Approval of stepwell heater.

Section 3.3.5.2. and 3.3.5.5. - Approval of passenger assist grabrails and stanchions.

Section 3.3.5.12. - Approval of optional farebox mounting if selected.

Sections 3.3.6.1.1., 3.3.6.2.1., 3.3.6.3.2., 3.3.6.3.6. - Approval of all doors including structure, installation, size, materials, location, glazing, hold-open mechanism, entry door protection material, and emergency signage and handle.

Section 3.3.6.2.6 - Approval of passenger door exterior key lock

Section 3.3.6.4.4. - Approval of wheelchair/mobility aid lift door including hold-open device.

Section 3.3.7.3. - Approval of emergency side window signage.

Section 3.3.7.7. - Approval of windshield, windows and glazing.

Section 3.3.9.4. - Approval of interior color scheme coordination, treatments, color shades and density, trim and finish.

Section 3.3.10.1.5. - Approval of seating arrangement.

Section 3.3.10.4.2. - Approval of seat materials and colors.

Section 3.3.10.6.9. - Approval of wheelchair/mobility aid securement storage unit location(s).

Section 3.3.10.6.10. - Approval of wheelchair/mobility aid/passenger securement/ restraint system, configuration and installation.

Section 3.3.12.2. - Approval of quality and location of all switches and controls.

Section 3.3.14.4.1. - Approval of auxiliary heating system including shut-off valve and signage.

Section 3.3.14.4.2. - Approval of controls for air conditioning system.

Section 3.3.14.4.8 - Approval of climate control system.

Section 3.3.15.1. - Approval of all interior rear-view mirrors.

Section 3.3.19.2. - Approval of location and mounting of safety and emergency equipment.

Section 3.3.22. - Location and operation of optional PA system including amplifier, microphone and speakers if selected.

Section 3.4.1.3. - Approval of side signal lamp location.

Section 3.4.1.8. - Approval of all exterior lighting.

Section 3.4.2.4. - Approval of all exterior mirrors.

Section 3.4.3.1. - Approval of layout and location of exterior decals.

Section 3.5.2.6. - Demonstration and approval of wheelchair/mobility aid lift and controls.

Section 4.1.2. - Approval of location of P-clamps used for heating hoses.

1.1.7.3. Supplemental documentation that should be submitted with the bid:

Sections 1.5.4.2. and 3.3.10.1.5. - Scaled diagrams or layout drawings of the proposed interior seating arrangement(s).

Section 2.2.1.4. – Details of engine shutdown for the diesel engine option.

Section 2.2.1.6. - Certification that engine meets all applicable EPA regulations. Details of DEF system if applicable.

Section 2.2.1.7. – Details of engine shutdown for the optional gasoline engine if available.

Section 2.2.5.1 – Details of catalytic converter anti-theft device

Section 2.8.2.1. – Written notification that tires supplied with the vehicle are standard or optional equipment, or as Dealer Special Order (DSO); Written notification that specified tires are not available if applicable.

Section 2.10.2.1. – Written notification that fuel tank deviates from OEM installed location if applicable.

Sections 2.11.1.1. and 2.11.2.1. – Proof that the alternator charging system will meet operational electrical load demands. Alternator nameplate rating in Amps. Notification that a second or alternative alternator is required to meet operational loads.

Section 2.11.4.1. – Location, accessibility and details of batteries including tray and compartment.

Section 2.11.5.1. – Written request to remove or modify any OEM installed electrical component/connector.

Section 2.11.5.10. - A listing of the specific protection device (manual circuit breaker, cartridge fuse, etc.) used on each of the circuits added to the OEM chassis and a justification that each protection device is adequate for the circuit being protected.

Section 3.2.1.1. – Certification that vehicle meets all Federal and State Regulations applicable regarding collision strength, impact resistance and passenger safety, including the requirements of FMVSS 220.

Section 3.2.4.3. – Methods used to meet specific undercoating requirements.

Section 3.2.5.1. – Method of attaching chassis to body.

Section 3.2.5.4. - Method of attachment for all exterior body panels.

Section 3.2.5.6. – Written documentation of water test procedures.

Section 3.3.3.2. – Written justification that alternative sub-floor material meets or exceeds all plywood requirements listed in this section if applicable.

Section 3.3.5.7. - Details of optional storage device for walkers, crutches, canes, oxygen tanks, or braces.

Section 3.3.6.1.1. thru 3.3.6.3.6 – Written documentation showing all doors including structure, installation, size, materials, location, glazing, hold-open mechanism, entry door protection material, and emergency signage and handle.

Section 3.3.6.2.1. – Size and location of entry door body protrusion.

Section 3.3.6.2.3. – Details of door glazing.

Section 3.3.6.3.2. - Details of the handle design, mechanism(s) used to assist in door opening, and emergency signage and location.

Section 3.3.6.4.4. - Written documentation showing details of wheelchair/mobility aid lift door including hold-open device.

Section 3.3.7.7. – Written documentation showing details of windshield, windows and glazing.

Section 3.3.10.3.3. – Details of optional driver’s seat.

Section 3.3.10.4.2. - Sample seat materials and colors.

Section 3.3.10.5.2. - Written documentation showing test procedures and results of passenger restraint assembly and anchorage.

Section 3.3.10.6.1 - Written documentation showing details of the optional under seat belt storage for wheelchair/mobility aid automatic tightening securement systems.

Section 3.3.10.6.4. – Written documentation and diagram(s) showing design and location of all wheelchair/mobility aid “L” track system.

Section 3.3.10.6.8. - Documentation showing compliance with SAE J2249, Wheelchair Tiedowns and Occupant Restraints for Use in Motor Vehicles.

Section 3.3.13.2. - Written request to use non-OEM digital type instrumentation or light-bar instrumentation if applicable.

Section 3.3.13.7. - Notification if cruise control is offered as an option and the cost of the option. Also, provided notification if the cruise control feature is part of an OEM option package that includes other features that cannot be excluded from the package if applicable.

Section 3.3.14.1.2. – Documentation showing how extra heating capacity is to be provided if seating arrangement does not allow sufficient space for two high-capacity rear hot water heaters.

Section 3.3.14.3.5. – Documentation and drawing(s) showing general design layout of the interior climate control system, specifications and performance data. Certification that the climate control system is adequately sized for the vehicle and can meet performance requirements.

Section 3.3.14.5. – Details of air purification system.

Section 3.3.22.8. – Details of interior overhead luggage rack.

Section 3.4.1.9 - Documentation and drawing(s) showing design and layout of the backup warning system.

Section 3.4.1.10 - Documentation and drawing(s) showing design and layout of the backup camera system.

Section 3.4.2.4. - Notification that non-OEM exterior mirrors and installations will be used, and documentation showing details of non-OEM exterior mirrors if applicable.

Section 3.4.4.1. - Details and specifications of the LED electronic destination signs including component locations, operation and programing.

Section 3.5.2.1. – Certification that the wheelchair/mobility aid lift system is adequate to withstand the loads and stresses imposed by regular lift operation on a sustained basis.

Section 3.5.2.2. – Certification that all wheelchair lift power units, operating joints, linkage and mounting points to the body are adequate for specified loading.

Section 3.5.2.9. – Documentation showing installation drawings and details of the wheelchair/mobility aid lift system installation including general layout, dimensions, safety features, and controls.

Section 5.1.3.1. – Drawings and other documentation, including specific records of items included in the Pre-Award Buy America certification, that completely describe a qualified system that meets all of the options and special requirements of this procurement.

Section 5.2.2. – Documentation showing written plan pertaining to acceptance testing.

Section 5.3.6. – Complete warranty plan.

1.1.7.4. Submittals required by the Procuring Agency at vehicle delivery:

Section 1.5.5.2. - Preventive maintenance tasks and related scheduled service intervals.

Section 2.7.1.2. - Brake test results.

Section 2.11.7.1. - Instructions to prevent damage from voltage spikes.

Sections 2.11.9.1. and 4.1.17. - “As built” electrical schematics and other technical documentation.

Section 3.3.10.5.3. - Part numbers for replacement seat belts.

Section 3.5.2.6. - Demonstration and approval of wheelchair/mobility aid lift and controls

1.2. DEFINITIONS

1.2.1. The following are definitions of special terms used in this Technical Specification.

1.2.1.1. dBA. Decibels with reference to 0.0002 microbar as measured on the "A" scale.

1.2.1.2. CW. (Curb Weight). Weight of vehicle, including maximum fuel, oil, and coolant; and all equipment required for operation and required by this Specification, but without passengers or driver.

1.2.1.3. SL. (Seated Load). 150 lbs. for every passenger seating position and for the driver and 300 lbs. for each wheelchair or mobility aid securement location provided.

1.2.1.4. Gross Load. 150 lbs. for every passenger seating position and for the driver and 300 lbs. for each wheelchair or mobility aid securement location provided.

1.2.1.5. SLW. (Seated Load Weight). Curb Weight plus Seated Load.

1.2.1.6. GAWR. (Gross Axle Weight Rating). Maximum axle capacity.

1.2.1.7. GVW. (Gross Vehicle Weight). Curb Weight plus Seated Load plus driver.

1.2.1.8. GVWR. (Gross Vehicle Weight Rating). Curb Weight plus maximum gross load vehicle is rated for.

1.2.1.9. Wet Weight. Curb Weight plus driver.

1.2.1.10. Fireproof. Materials that will not burn or melt at temperatures less than 2,000° F.

1.2.1.11. Fire-Resistant. Materials that have a flame spread index less than 150 as measured in a radiant panel flame test per ASTM-E 162-75.

1.2.1.12. Standard Configuration Vehicle. The vehicle described by these Technical Specifications if no options are selected.

1.2.1.13. Option. An alternative specification condition to the standard configuration vehicle. The Procuring Agency may select from the options presented in the Technical Specifications.

1.2.1.14. OEM. Original Equipment Manufacturer means the original manufacturer of the chassis supplied to the Vendor.

1.2.1.15. RMC. Regional Maintenance Center. Service locations designated by the Procuring Agency that can provide major maintenance and repair services on paratransit vehicles.

1.2.1.16. Procuring Agency. Illinois Department of Transportation or any other agency identified in the “term contract” that may purchase off the term contract.

1.2.1.17. Term Contract. Purchase agreement between the Illinois Department of Central Management Services and the Vendor.

1.2.1.18. Vendor. The organization that contracts to provide vehicles to the Procuring Agency. If the Vendor is different than the paratransit vehicle manufacturer (PVM), the vehicle dealer, or another third party, it is the Vendor’s responsibility to ensure that all requirements of this specification are met.

1.2.1.19. PVM. Paratransit Vehicle Manufacturer refers to the organization that builds the vehicle from the OEM chassis.

1.2.1.20. Delivery Location. Location(s) identified by the Procuring Agency for the Procuring Agency to perform final inspection and delivery of vehicles.

1.2.1.21. Elastomeric. A rubber, plastic, polyvinyl, etc. material.

1.3. ABBREVIATIONS

1.3.1. The following is a list of abbreviations used in these Technical Specifications.

1.3.1.1. ADA: Americans with Disabilities Act

1.3.1.2. APA: American Plywood Association

1.3.1.3. ASA: American Standards Association

1.3.1.4. AWS: American Welding Society

1.3.1.5. ASTM: American Society for Testing and Materials

1.3.1.6. EPA: Environmental Protection Agency

1.3.1.7. FMVSS: Federal Motor Vehicle Safety Standards

1.3.1.8. 49 CFR: Title 49 Code of Federal Regulations, (Part 571)

1.3.1.9. HVAC: Heating, ventilation and air conditioning

1.3.1.10 ICC: Interstate Commerce Commission

1.3.1.11. IDOT: Illinois Department of Transportation

1.3.1.12. JIC: Joint Industrial Council

1.3.1.13. OEM: Original Equipment Manufacturer

1.3.1.14. PVM: Paratransit Vehicle Manufacturer

1.3.1.15. SAE: Society of Automotive Engineers

1.3.1.16. UL: Underwriters Laboratories, Inc.

1.3.1.17. UMTRI: Univ. of Michigan Transportation Research Inst.

1.3.1.18. DEF: Diesel Exhaust Fluid

1.4. LEGAL REQUIREMENTS

1.4.1. The vehicle shall meet all applicable FMVSS and ADA regulations in effect at the date of manufacture. The Vendor shall comply with all applicable Federal and State of Illinois regulations. In the event of any conflict between the requirements of this Specification and any legal requirement, then the legal requirement shall prevail.

1.4.2. The OEM and Vendor shall comply with all applicable notifications regarding safety recalls and technical bulletins if notified or discovered, and shall notify the Procuring Agency in addition to each applicable vehicle owner and all RMCs as soon as safety recalls and technical bulletins are known.

1.4.3 An Illinois Vehicle Safety Lane Inspection Test shall be performed and the results submitted prior to each vehicle delivery. Locations can be found at:

https://idot.illinois.gov/Assets/uploads/files/Transportation-System/Specialty-Lists/Safety/LanesForInternet.pdf

1.5. OVERALL REQUIREMENTS

1.5.1. Physical Size and General Dimensions

1.5.1.1. With the exceptions of exterior mirrors, marker and signal lights, flexible portions of the bumpers, fender flares and skirts, and rubrails, the vehicle shall have the following overall dimensions and capacities.

1.5.1.1.1. Seated Capacity - Standard Vehicle Configuration.

(a) 22 forward facing seated passengers, plus the driver convertible to,

(b) two wheelchair/mobility aid locations and 18 forward facing seated passengers plus driver, convertible to,

(c) five wheelchair/mobility aid locations and eight forward facing seated passengers plus the driver in less than five minutes without using tools.

OPTION A: Alternative Seated Capacity Configuration No. 1.

(a) 22 forward facing seated passengers, plus the driver convertible to,

(b) two wheelchair/mobility aid locations and 18 forward facing seated passengers plus driver, convertible to,

(c) five wheelchair/mobility aid locations and eight forward facing seated passengers plus the driver, convertible to,

(d) seven wheelchair/mobility aid securement locations and no forward facing seated passengers plus the driver in less than seven minutes without using tools.

OPTION B: Alternative Seated Capacity Configuration No. 2.

(a) 26 forward facing seated passengers while complying with the OEM’s stated GVWR as defined in Section 1.2.1.8., and hip-to-knee requirements of Section 3.3.10.4.1., plus the driver convertible to,

(b) two wheelchair/mobility aid locations and 18 forward facing seated passengers plus driver, convertible to,

(c) five wheelchair/mobility aid locations and eight forward facing seated passengers plus the driver in less than five minutes without using tools convertible to,

(d) seven wheelchair/mobility aid locations and no forward-facing seated passengers plus the driver in less than seven minutes without using tools.

OPTION C: Alternative Seated Capacity Configuration No. 3.

(a) 30 forward facing seated passengers (minimum) while complying with the OEM’s stated GVWR as defined in Section 1.2.1.8., and hip-to-knee requirements of Section 3.3.10.4.1., plus the driver convertible to,

(b) two wheelchair/mobility aid locations and 18 forward facing seated passengers plus driver, convertible to,

(c) five wheelchair/mobility aid locations and eight forward facing seated passengers plus the driver, convertible to,

(d) seven wheelchair/mobility aid locations and no forward-facing seated passengers plus the driver in less than seven minutes without using tools.

All options shall be priced separately in the bid. Seating plans for each option shall also be submitted with bid as required in Section 1.5.4.2.

1.5.1.1.2. Length, Overall: 396 inches, nominal.

1.5.1.1.3. Wheelbase: 178 inches, minimum.

1.5.1.1.4. Width, Overall: 96 inches, nominal.

1.5.1.1.5. Height, Overall @ GVWR: 124 inches, maximum excluding roof hatch.

1.5.1.1.6. Interior Width @ seated shoulder height: 90 inches, minimum.

1.5.1.1.7. Aisle Width: 17 inches, minimum.

1.5.1.1.8. Seat Width, per person (all): 17.5 inches.

1.5.1.1.9. Interior Headroom: 76 inches, minimum.

1.5.2. Underbody Clearance

1.5.2.1. The vehicle shall have the following minimum clearance dimensions at GVWR, as defined in SAE Standard J689.

1.5.2.1.1. Ramp Clearances. Approach angle shall be no less than 9 degrees. Breakover angle shall be no less than 9 degrees. Departure angle shall be no less than 8.5 degrees. For Option C seating configuration, the departure angle shall be no less than 6.5 degrees and the breakover angle no less than 5.5 degrees.

1.5.2.1.2. Ground Clearance. Overall vehicle ground clearance and axle/wheel zone ground clearance shall be maximized and adequate to enable the vehicle to operate in normal paratransit service in the environmental climatic, and street and roadway conditions prevailing throughout the State of Illinois.

1.5.3. Weight

1.5.3.1. The curb weight of the standard vehicle, with options, shall be such that the GVW, with full seated load including driver and a minimum of two wheelchair or mobility aids in the securement locations, shall not exceed the OEM's GVWR and GAWR. The minimum GVWR shall be 19,500 lbs.

1.5.3.2. The maximum curb weight of the vehicle shall not cause the chassis GVWR, as certified by the OEM to be exceeded by any selected combination of options and/or seating capacity required in these specifications.

1.5.3.3. If the chassis is to be altered by the Vendor to increase the OEM’s stated GVWR, the Vendor must provide, prior to production, a copy of its letter to the appropriate chassis manufacturer requesting approval of its proposed alteration(s) and a copy of the letter from the chassis manufacturer approving of the alteration(s). Along with the alteration approval letter from the original chassis manufacturer, each alteration must meet those conditions for compliance with pertinent FMVSS set forth by the original chassis manufacturer pertaining to each configuration.

1.5.3.4. The Vendor shall provide to the Procuring Agency the rationale, test results, certifications or written documentation outlining test procedures and results to support GVWR recertification. GVWR recertification shall be prepared by a Professional Engineer and/or test laboratory certifying compliance with the requirements of this section and shall be provided by the Vendor for approval by the Procuring Agency.

1.5.4. Seating Capacity

1.5.4.1. Seating capacity shall conform to Section 1.5.1.1.1.

A sample seating layout is included as Attachment A to this specification for the standard 22-passenger configuration. The attachment is just an example and is NOT intended to be a final layout. The Vendor is encouraged to develop seating layouts that meet specification requirements for both standard and option configurations in an innovative and efficient manner. If more than one layout is submitted for each configuration, the Procuring agency will select one that best meets its needs.

1.5.5. Service Life and Maintenance

1.5.5.1. Service Life. The design life of the paratransit vehicle shall be at least nine years or 200,000 miles, whichever comes first. It shall be capable of operating at least 40,000 miles per year.

1.5.5.2. Maintenance and Inspection. Scheduled maintenance or inspection tasks as specified by the base chassis manufacturer, and by the vendor vehicle modifier, shall require a skill level of 3M Service Mechanic or Class B OEM/Vendor Serviceman, or less. Scheduled preventive maintenance tasks shall be related and shall be grouped in maximum mileage intervals. Routine scheduled maintenance actions, such as filter replacement and adjustments, shall not be required at intervals of less than 5,000 miles, except for routine daily service performed during the fueling operations. Higher levels of scheduled maintenance tasks shall occur at even multiples of mileages for lower-level tasks. Preventive maintenance tasks and related scheduled service intervals shall be included with each vehicle at delivery.

1.5.6. New Manufacture Equipment

1.5.6.1. All vehicles and related components whether specified or not in this Technical Specification, shall be the manufacturer's current model year production and shall conform to quality, design, material, and workmanship practices consistent with standards established by the commercial automotive industry.

1.5.6.2. All components and parts shall be of new manufacture, and in no case shall used, reconditioned, or obsolete parts be acceptable. All component parts installed in the vehicle shall be an exact duplicate in design, manufacture and construction in each and all of the vehicles per order, unless approved otherwise by the Procuring Agency prior to production.

1.5.6.3. All vehicles, subassemblies, component parts and equipment shall be final assembled on station, on the PVM’s and Vendor’s dedicated assembly line, and shall be complete unless otherwise approved by the Procuring Agency prior to production.

1.5.7. Operating Environment

1.5.7.1. The vehicle shall achieve normal operation in temperature ranges of minus 30° F to +110 F, at relative humidities between 15 percent and 100 percent, and at altitudes up to 3,000 feet above sea level, and in harsh winter conditions involving ice, snow, slush, and road salt. Degradation of performance due to atmospheric conditions shall be minimized at temperatures below minus 10° F and above 100° F. Special equipment or procedures (excluding use of ether for glow-plug equipped diesels) may be employed to start the vehicle engine after a 12-hour or more exposure to temperatures below 20° F, without the engine in operation. Speed, gradability, and acceleration performance requirements shall be met at, or corrected to, 85° F, 29.00 inches Hg, dry air. The interior climate control system shall perform in accordance with the requirements of Section 3.3.14.

1.5.8. Pilot Vehicle

1.5.8.1. At least 30 days prior to the regular production of each order, the Vendor shall produce a Pilot Vehicle manufactured to the technical specifications contained in this document. A pilot vehicle shall also be required when a major design change is introduced.

1.5.8.2. The Resident Inspector and Procuring Agency shall inspect the Pilot Vehicle for compliance with this specification and either ask for changes, modifications, or repairs, to bring the Pilot Vehicle within compliance; or accept the Pilot Vehicle if it meets all requirements of this specification.

1.5.8.3. Upon approval of the Pilot Vehicle by the Procuring Agency, the regular production of vehicles can begin.

1.5.8.4. If the Vendor determines that minimal model or design changes preclude the need for a Pilot Vehicle, the Vendor can request a waiver of the Pilot Vehicle for that order only. The waiver must provide justification for why a Pilot Vehicle would not be required.

2. PROPULSION SYSTEM

2.1. VEHICLE PERFORMANCE

2.1.1. Power Requirements

2.1.1.1. Propulsion system and drivetrain shall provide sufficient power to enable the vehicle to meet the defined acceleration, top speed, and gradability requirements. Sufficient excess power shall be available to operate all accessories at peak output.

2.1.1.2. The specifications for powertrain components in the following subsections are intended to ensure an adequate longevity (200,000-mile design goal minimum) coupled with reasonable, acceptable vehicle road performance. Vehicle top continuous cruising speeds must be achieved at an engine speed (RPM) well within the manufacturer's recommended maximum.

2.1.2. Top Speed

2.1.2.1. Vehicles shall be capable of a top continuous cruising speed of 65 mph on a straight, level road at GVWR with all accessories operating.

2.1.3. Gradability

2.1.3.1. Gradability requirements shall be met on grades with a surface friction coefficient of 0.3 and above at GVWR with all accessories operating. Vehicles shall maintain a minimum sustained speed of 50 mph on a 2-1/2 percent grade, and a minimum speed of 25 mph on a 10 percent grade in an appropriate transmission gear range, with all accessories operating at maximum.

2.1.4. Acceleration

2.1.4.1. An average acceleration rate of at least 0.12g shall be achieved at GVWR between 0 and 25 mph.

2.1.4.2. The Vendor shall supply the Procuring Agency with all the necessary performance data to justify the powertrain selected, for approval by the Procuring Agency prior to production. As a minimum this shall include the following performance data and curves based on the vehicle loaded to GVWR:

2.1.4.2.1. Full throttle acceleration. Speed achieved versus time elapsed.

2.1.4.2.2. Full throttle grade performance in all forward gears against road speed for the transmission with axle ratio proposed.

2.1.4.2.3. Engine speed relationship to road speed, on level road with vehicle at GVWR, at full throttle operation for the proposed driveline configuration.

2.1.5. Powerplant and Accessory Mounting

2.1.5.1. All powerplant and accessory mounting, whether mounted to the engine or remotely mounted, shall be mechanically isolated to minimize transfer of vibration to the vehicle chassis and body structure.

2.1.6. Service

2.1.6.1. Easy access shall be provided for inspection and checking of engine coolant, engine oil, transmission fluid, and power steering fluid. Fluid level check points or dipsticks and filler tubes shall be accessible from outside the vehicle through the vehicle engine compartment without removing the engine cover or any accessories or components. All fluid fillings shall be accomplished with standard funnels, pour spouts, and automatic dispensing equipment. Access to the engine compartment for inspection and service shall be provided by an inside locking release or engine compartment access door which shall be OEM standard.

2.1.6.2. The engine shall be equipped with sufficient heavy-duty fuel and oil filters for efficient operation and to protect the engine between scheduled filter changes. Filters shall be OEM and/or spin-on, disposable type and shall be easily accessible. Fuel and oil lines, and hydraulic lines if used, within the engine compartment and elsewhere, shall be rigidly supported and shall be composed of steel tubing where practicable. They shall be routed or shielded so that failure of a line shall not allow fuel or oil to spray or drain onto any component operable above the auto-ignition temperature of the fluid. All flexible fuel, oil, and hydraulic lines added to the OEM chassis shall be Teflon hoses with braided stainless-steel jackets, or approved equivalent, with standard SAE or JIC brass or steel, reusable, swivel, end fittings. Hoses shall be individually supported with clamps coated with elastomeric material, and shall not touch one another or any part of the vehicle.

2.1.7. Accessories

2.1.7.1. All engine-driven accessories shall be heavy-duty type and mounted as a unit for quick removal and repair. Accessory drive systems shall operate without failure or unscheduled adjustment for a minimum of 25,000 miles.

These accessories shall be driven at speeds sufficient to assure adequate system performance during extended periods of idle operation and low route speed operation at high accessory output demand. Drive belts shall be heavy-duty type and shall have sufficient wrap-around pulleys to avoid slip and provide long life.

2.2. POWERPLANT

2.2.1. Engine

2.2.1.1. The standard engine shall be an electronically controlled diesel fueled engine compatible to operate on a maximum of 20 percent biodiesel (B20). The engine shall have a heavy-duty rating with a displacement and horsepower rating sufficient to meet the requirements of Section 2.1. The Procuring Agency has an interest in advanced propulsion systems that reduce fuel consumption and emissions, and reduce the nation’s dependency on foreign oil. The Vendor shall inform the Procuring Agency of the availability of any such propulsion systems if they become available during the contract period, but no changes shall be instituted unless first approved by the Procuring Agency.

2.2.1.2. The most heavy-duty air-to-oil or water-to-oil engine oil cooling system available from the OEM shall be provided. The cooler must be able to maintain engine oil at the appropriate temperature during all conditions, especially in severe urban service.

2.2.1.3. The diesel engine shall be equipped with a 110 VAC, minimum 1,000-watt engine block heater in accordance with SAE Recommended Practice J1310 to ensure that the engine can be started without starting aid after a 12-hour exposure to –minus 20° F. The receptacle shall be stowed in the engine compartment and easily accessed through the grille.

2.2.1.5. The vehicle shall be equipped with an engine fast idle control to be used primarily during stand-by periods. The engine fast idle control shall increase engine idle speed automatically to 1,200 RPM. The fast idle selector shall be operative only when the transmission selector is in the park or neutral position and the emergency brake is engaged. The control switch shall be interlocked so as to return the engine to normal idle RPM, automatically, when the transmission is put in gear.

2.2.1.6. The Vendor should provide certification with bid submittal that the installed engine meets all applicable EPA noise, gas and smoke emissions, and toxic fume regulations. If DEF (diesel exhaust fluid) is required to meet EPA diesel emissions regulations, details of that fluid including onboard storage location, fluid type and specifications, access, and capacity should also be provided with bid submittal. Unobstructed access shall be provided to replenish any required onboard DEF containers.

2.2.1.7 OPTION D: The engine shall be an electronically controlled gasoline-fueled engine with minimum displacement of 7.3 L. equipped with fast idle, block heater, and most heavy-duty air-to-oil or water-to-oil engine oil cooling system available from the OEM. An automatic engine shut-down and/or power de-rate system shall also be provided if available from the OEM. Details of shutdown system and/or power de-rate system including overrides for safety reasons should be provided with bid submittal if features are available. All options shall be priced separately in the bid

2.2.2. Cooling System

2.2.2.1. Temperature of operating oils and fluids on the vehicle shall be controlled by a cooling system. The cooling system shall be sized to maintain fluids at safe, continuous operating temperatures during the most severe operations with the vehicle loaded to GVWR and with ambient temperatures up to 110° F. The engine shall be cooled by a water-based, pressure type, cooling system that does not permit boiling or coolant loss during the operations described above. Engine thermostat shall be easily accessible for replacement.

2.2.2.2. The radiator shall be of durable, heavy-duty, corrosion resistant construction and shall be the largest capacity chassis OEM installation available for the vehicle, or as may be part of the chassis OEM's Heavy-Duty Service or Towing Package.

2.2.2.3. An OEM coolant recovery system for the radiator such that coolant expelled is retained and restored to the cooling system shall be provided. If an OEM system is not available, an aftermarket system of minimum 4-quart capacity with suitable OEM cap shall be provided. The coolant shall be protected from freezing with ethylene glycol antifreeze/water mixture to –minus 30° F. A tag listing level and date shall be attached to the radiator. An electric sensor shall be in the coolant recovery tank connected to a light located on the driver's console, warning of low coolant level. A probe located in the tank that shall activate warning light and buzzer in driver's area in the event of low coolant is an acceptable alternative.

2.2.3. Engine Air Filtration

2.2.3.1. Engine aspiration air shall be filtered through a chassis OEM heavy-duty, dry type, replaceable filter element.

2.2.4. Transmission

2.2.4.1. The transmission shall be a heavy-duty truck fully automatic shift with hydraulic torque converter and number of forward gears capable of meeting the performance requirements in Section 2.1.

2.2.4.2. The most heavy-duty chassis OEM air-to-oil or water-to-oil transmission oil cooler shall be provided to maintain transmission fluid at the appropriate operating temperature during all conditions, especially in severe urban service.

The cooler shall be the largest capacity chassis OEM installation available for the vehicle, or as may be part of the OEM chassis Heavy-Duty Service or towing Package, or supplied by a non-OEM heavy-duty components and equipment supplier.

2.2.5. Exhaust System

2.2.5.1. Exhaust gases and waste heat shall not be discharged on the curb side, and shall be directed away from the vehicle and routed to exit towards the street side to the rear of the body. Should this exhaust location not be standard for the OEM chassis, the exhaust system shall be modified in accordance with OEM chassis standards. Exhaust system muffler, and piping shall be corrosion resistant, if OEM available. Piping joints shall be slip joint type secured with heavy-duty clamps, and supported by heavy-duty compliant type hanger brackets. Butt welded joints shall not be used. Section of exhaust that extends over rear axle shall not consist of more than three pipe sections.

The exhaust system shall include a catalytic converter anti-theft device for those vehicles equipped with a catalytic converter. The device shall not require custom tools for installation, shall allow heat to dissipate normally from the converter, and shall be manufactured from non-corrosion materials and not require maintenance for the life of the vehicle. Design of the catalytic converter anti-theft device should be provided with bid submittal.

2.2.5.2. The vehicle exhaust system, including modifications, shall meet all applicable federal and state noise and emissions requirements. Exhaust piping modifications shall not restrict the underbody clearances defined in SAE J689.

2.2.6. Exterior Noise

2.2.6.1. Exterior noise generation by the engine, exhaust system and operating accessories of the completed modified vehicle shall be the minimum practicable and shall not exceed the OEM standards, under all operating conditions. Care shall be taken by the Vendor to ensure that the completed vehicle does not generate an audible discrete frequency.

2.3. FINAL DRIVE

2.3.1. Rear Axle

The vehicle shall be driven by a heavy-duty, full floating, single reduction gearing, differential type axle at the rear. The rear axle shall be a one piece forged or cast steel housing and separable carrier construction. The axle assembly shall have a load rating sufficient for the vehicle loaded to GVWR. Axle ratio shall be one of the OEM’s standard ratios, and shall be capable of meeting the vehicle performance requirements in Section 2.1 of these specifications. The driven axle shall be capable of operation for 200,000 miles without repairs.

2.3.2. Propeller Shaft(s)

The vehicle drive shaft(s) shall be a heavy-duty, high-capacity design capable of transmitting the maximum torque of the engine/transmission powertrain in all drive gear ranges and under all power applications. The propeller shaft(s) bearings and universal joints shall be the OEM standard for the engine selected and GVWR specified with no changes or modifications made unless first approved by the Procuring Agency. The propeller shaft(s) shall be correctly balanced and aligned, and the universal joint yokes shall be oriented in the proper phase to each other to minimize vibrations and provide maximum bearing life. The propeller shaft(s) shall be restrained by heavy-duty guards to prevent any section of the shaft(s) from entering the vehicle or striking the ground in case of shaft(s) or U-joint failure. The guard shall be a minimum of 3/16-inch thickness steel, and shall be securely bolted to the vehicle frame.

2.4. SUSPENSION

2.4.1. General

2.4.1.1. Front and rear suspension systems shall be OEM and of a type most widely utilized in commercial fleets of this vehicle type, used in service operations characterized by continuous duty under moderate to severe road conditions and climatic environment. Suspension system components shall be computer selected, matched and tuned to provide maximum load capacity, ride quality, stability, and desirable steering and handling characteristics. Damping shall be sufficient to control vehicle motion to one cycle or less after hitting road perturbations.

2.4.2. Front Suspension

2.4.2.1. The front axle shall be non-driving, independent kingpin type, with a load rating sufficient for the vehicle loaded to GVWR. Front suspension shall incorporate a coil or leaf type spring system to provide acceptable quality ride under varying load conditions. A stabilizer bar shall be incorporated to provide additional suspension control and vehicle stability. Vertical damping of the suspension shall be accomplished by gas filled shock absorbers that shall maintain their effectiveness for at least 25,000 miles in normal service. Front suspension system components; springs, shock absorbers, stabilizer bar, and including bearings, hubs and spindles shall be the heaviest duty OEM equipment available.

2.4.3. Rear Suspension

2.4.3.1. Rear suspension shall incorporate "progressive" leaf type springs to provide acceptable ride quality under varying load conditions. A rear stabilizer bar shall also be provided to provide additional suspension control and vehicle stability. Vertical damping of the suspension shall be accomplished by gas filled shock absorbers that shall maintain their effectiveness for at least 25,000 miles without repairs in normal service. Rear suspension components' springs, and shock absorbers shall be the heaviest duty OEM equipment available.

OPTION E: Rear suspension shall incorporate an air suspension system, OEM if available, aftermarket if not. All suspension components shall be the heaviest duty equipment available and shall conform to OEM time recommendations for air pressure build-up. All options shall be priced separately in the bid.

OPTION F: Rear suspension shall incorporate a rubber shear spring system that functions in conjunction with the existing leaf springs to increase axle travel, isolate and absorb road shock, and improve ride quality. All options shall be priced separately in the bid.

2.5. STEERING

2.5.1. General

2.5.1.1. The vehicle shall be equipped with OEM factory installed hydraulic-assisted power steering system with a tilting/adjustable steering column. Power steering failure shall not result in loss of steering control.

2.5.1.2. The steering wheel shall be largest diameter OEM unit available.

2.6. LUBRICATION

2.6.1. All elements of steering and suspension systems requiring scheduled lubrication shall be provided with grease fittings conforming to SAE Standard J534. These fittings shall be located for ease of inspection, and shall be accessible with a standard grease gun. Each element requiring lubrication shall have its own grease fitting with a relief path. Lubricant specified shall be standard for all elements on the vehicle serviced by standard fittings.

2.7. BRAKES

2.7.1. Service Brakes

2.7.1.1. Service brakes shall be controlled and actuated by a hydraulic power assist system. The braking elements shall be self-adjusting disc type on the front and rear axles. The brakes shall be equipped with an anti-locking system, if available from the chassis OEM.

2.7.1.2. Brake system shall be heaviest duty and largest size and rating offered and must comply with all applicable FMVSS requirements.

2.7.1.3. The entire service brake system, excluding friction material, shall have an overhaul or replacement life of at least 30,000 miles in normal service operations, and shall be self-adjusting throughout this period. Friction material shall have an OEM replacement life of at least 15,000 miles in paratransit service operations.

2.7.2. Parking Brake

2.7.2.1. Parking brake shall be mechanical type, manually operated independently of the transmission control, working on the vehicle rear wheels or driveline. The parking brake shall be capable of holding a fully loaded vehicle at GVWR on a 15 percent incline. The system shall include a dash panel mounted red warning light to indicate to the driver when the brake is applied.

2.8. WHEELS AND TIRES

2.8.1. Wheels

2.8.1.1. Vehicle shall be equipped with the heaviest duty, ventilated, one-piece integral pressed steel drop center construction wheels recommended by the OEM for the GVWR and tires specified. Single wheels shall be used on front axle and dual mounted wheels on rear axle, and shall be completely interchangeable. All mounted wheels shall be tightened in a star pattern to OEM torque specifications and documented in Section 5.2.2, Pre-Delivery Tests.

2.8.2. Tires

2.8.2.1. Vehicle shall be equipped with tires suitable for the conditions of paratransit service and sustained operation at the maximum speed capability of the vehicle. Load on any tire at GVWR shall not exceed tire supplier's load rating. Tires shall be heaviest duty OEM available, premium quality, tubeless, black sidewall, all-weather, radial type, or the highest capacity tires supplied for this vehicle chassis. The tires must have at least E range rating. Tire construction shall be light truck type with steel belted casing and tread plies, and all-season highway tread incorporating variations to minimize road noise. Tires shall be supplied with the vehicle from the OEM assembly plant as standard or optional equipment, or as Dealer Special Order (DSO). The Vendor should provide details regarding the tires with the bid.