ATTACHMENT B - Bid Specifications RFB 758 1900000101.docx

ATTACHMENT B – Bid Specifications Semi-Portable Scales and Accessories Detailed Specifications

GENERAL REQUIREMENTS

The Kentucky State Police seeks semi-portable axle scales that are durable, accurate, reliable, low-profile, lightweight, easy-to-use and designed for outdoor use. For compatibility with existing hardware and software, the Kentucky State Police seek the Intercomp AX900 Wireless RF Semi-Portable Scale System complete with the Intercomp PT20 RFX Wireless Indicator/CPU, or its NTEP III certified equivalent, with all optional cables and accessories to operate the scale system in both wireless and wired configurations.

The scale system bid must meet the following minimum criteria:

· Designed to operate outdoors and above-ground and constructed of aluminum with diamond tread plate surface construction.

· System scale pads should be able to be attached to chains or other similar medium in order to safely winch the pads onto and into a scale trailer.

· Communicate digital information using an RF Wireless signal or optional digital cables with quick-disconnect connections that must be included as part of the semi-portable scale system.

· Operate using commercially available standard alkaline, NiMH or NiCad batteries.

· Primarily designed for commercial vehicle weight enforcement. Must be designed to weigh single, tandem, triple, and spread axle commercial vehicle configurations.

· Be NTEP III Certified by the US National Institute of Standards and Technologies for use in direct enforcement of weight regulations and laws. Proof of certification for semi-portable scale system must be included in bid submission materials.

· Be classified as semi-portable and designed to be transported using an axle scale trailer over the open road.

· Designed to specifically delineate information related to individual axle, group axle and gross weights of commercial vehicles.

· Have a deck height 3.6 inches or less and a deck width of no more 32 inches.

· Be designed for heavy, repetitive use. System should be easily calibrated and the calibration secured against accidental destruction. System users shall not be required to use calibration curves when calibrating unit. Calibration tag(s) shall be placed upon/affixed to the scale.

Calibration certificates or reports and any special tools or equipment necessary to calibrate the semi-portable scale system, with the exception of dead weights, must be supplied with the system. All adjustments to calibration must be able to be entered using the keypad provided on the CPU/Indicator.

· Be calibrated to standard gravity.

· The semi-portable scale must indicate within tolerance over a one-year calibration interval.

· Include approved drawings and instructions to promote correct installation and proper service.

· System shall be complete when delivered, including all items necessary to weigh vehicles in wireless or cabled configurations. The semi-portable scale system as delivered must be free from defects affecting performance, strength and safety. The system shall measure axle loads accurately under stress (high volume, high weight, high/cold temperatures, etc.), over the weighing range, within +/- 50 lbs. with an accuracy rating of +/- 1% of reading.

· System shall be rated to perform in varied temperatures ranging from 14 to 104 degrees Fahrenheit.

· Designed so that it can measure axle loads accurately and repeatedly, over the weighing range, within +/- 50 lbs. This allowable error shall include all error effects inclusive of calibration uncertainty; display increment rounding; loading errors; creep over 30 minutes; temperature variation of +/- 5 degrees Fahrenheit; non-linearity; and zero shift.

· Designed for use in rugged conditions and over unimproved (i.e., hard-pack earth or gravel) surfaces.

· Have a shipping weight not to exceed 400 lbs. per aluminum platform - Aluminum is required.

SPECIFIC REQUIREMENTS

The semi-portable scale system will have four (4) main components: a pair of 14-ft digital weighing platforms; a digital CPU/Indicator (also known as a scale head); digital cabling having quick disconnect connectors to be included with system for use in optional wired configuration, and a transport trailer. The relevant, minimum features of these components are herein detailed.

1. Semi-Portable Axle Scale

· One (1) pair of 14-ft digital wireless weighing platforms (120,000 lb. capacity), having 4 seven foot weighing pads. Weighing platforms must be designed to work in both wireless and wired configurations.

· Scales should come with four (4) easily-attachable and detachable ramps designed to be affixed at each end of each deck.

· Ramps should be no more than 18” each in length.

· Ramps should have handholds at each end to increase the ability of personnel to safely pickup, hold and move scales.

· Ramps should be constructed of highly durable material to prevent deformation as a consequence of repeated stress and should be available commercially in the event they must be replaced.

· Scales should have a weight capacity of 30,000 lb. per single weighing element and 60,000 lb. per pair with x50 lb. graduations. Scale shall be designed to withstand up to a 50% overload with no change in calibration and 100% overload without damage.

· Each semi-portable axle scale shall use four (4) fully electronic shear beam type load cells, hermetically sealed and of stainless steel construction.

· The load cells must be commercially available

· Any scale systems using proprietary, mechanical or hydraulic load cells shall not be considered.

· Shall be designed such that the load cells of each axle scale shall be summed to provide a single digital output signal.

· The one output signal shall be digital to enable any of the system’s cables or indicators to be connected to the scale without having to perform calibration.

· These load cells must be NTEP certified to 5,000 divisions by the National Institute of Standards and Technologies. This is the highest available degree of certification for a commercial load cell.

· The semi-portable scales must provide digital output communication regardless of wireless or digital cabled configuration.

· Each platform must complete its own analog to digital conversion, enabling the calibration and other relevant performance data to be stored independently at each semi-portable axle scale.

· Digital signal must promote low interference, interchangeability of all cables, CPU/Indicators and platforms without recalibration of the system.

· Use standard alkaline or rechargeable NiMH or NiCad batteries. The Intercomp AX900 Semi-portable scales use four (4) standard “D” size batteries when operated wirelessly.

2. PT20 CPU/Indicator (aka Scale Head) The Digital Input CPU/Indicator included as part of the proposed semi-portable scale system must be designed to

· Communicate digitally via cables or wirelessly with the scale decks and

· Provide means to display, print, save and retrieve weighing records.

· The CPU/Indicator designed to work with the Intercomp AX900 Semi-Portable Scales is the Intercomp PT20 CPU. Where vendor is able to provide the Intercomp AX900 Semi-Portable Scales, the CPU/Indicator included as part of the system must be the Intercomp PT20 CPU.

· Where an equivalent system other than the Intercomp AX900 is proposed, the included CPU/Indicator must perform the same functions as and be equivalent to the Intercomp PT20 CPU.

The CPU/Indicator included as part of the semi-portable scale system must:

· Be designed to communicate with the deck scales via a digital cabled or wireless signal. Analog transmission will not be considered.

· Have a display designed to simultaneously display individual applied axle weight, accumulative axle group weight and total weight for each weighing transaction.

· At minimum must include the following functions: on/off, zero, clear, axle accumulation, screen adjust, back light, low battery alert, reset, time and date.

· Be designed to save weighing records, retrieve weighing records and export weighing records using an RS232 or USB to interface to a computer or other remote display and to provide download of weighing records to a USB flash drive.

· If software is necessary to filter through weighing records exported to a computer or flash drive for review, software compatible with MS Windows 2010 operating system must be included as part of the semi-portable scale system.

· If only one licensed copy of this software is necessary to review weighing data from multiple compatible semi-portable scale systems, then software need only to be included as part of an initial semi-portable scale system purchase. Where there are subsequent purchases of semi-portable scale systems compatible with the previously provided software, new software need not be provided unless the software version has undergone a version update or any other significant changes.

· Designed with a built-in thermal printer in an IP52 (Open)/IP67 (Closed) environmentally hardened case.

· Individual axle and/or group weight(s), total weight, date, time and vehicle ID must be capable of being printed using the self-contained printer.

· Where a record includes optional vehicle and user information, this information must be accessible and printable using the built-in thermal printer.

· Should have internal memory sufficient to provide storage and retrieval for over 2,000 weight transactions.

· Be equipped with an alpha-numeric keypad to allow for the optional data entry of Vehicle and User information. Optional Vehicle information should include: o USDOT# o Owner/Driver o License Plate# o Plate State, FHWA Class o VIN# or Notes Optional User information should include: o Scale Location o Scale User o Supervisor and o (1) Optional Field

· Be interchangeable with any scale or system of the same make and model without requiring recalibration.

· Should have at least 200 working hours of battery life and come with both a 120 VAC charger and a 12 V DC power kit for field use. When used in cabled mode, platforms should receive power from the DC power provided by the PT20 CPU/Indicator. CPU/Indicator should use standard alkaline or rechargeable NiMH or NiCad batteries.

3. Digital Cables The semi-portable scale system should be designed to work both with and without cables. To maximize overall performance when operating in the cabled configuration, vendor will include as part of the system digital interface cables in two (2) different lengths.

· First, three (3) 15-foot digital interface cables shall be included for use with the semiportable scales.

· Second, two (2) 50-foot digital interface cables shall be included to connect the semiportable scale platforms to the CPU/Indicator.

· All cables will be constructed with quick disconnect metallic connectors so as to be interchangeable with any semi-portable scale system of the same make and model without recalibration.

4. Transport Trailer DOT Approved Class IV Trailer Specifications

· Construction. Base model trailers shall be a 7,000/lb. GVWR drop deck tilt design with dual 6,000/lb. drop axles; constructed of welded steel with a deck construction of smooth plate steel. Trailers must be of a tilt-bed design to facilitate the ease of loading and unloading of the axle scales. Trailer must be built to conform to the NATM (National Association of Trailer Manufacturers) published guidelines for trailers weighing less than 26,000-pounds.

· Frame Construction. The main frame construction shall be constructed of sturdy six (6)-inch steel channel with structural support members to resist twisting of the frame or equivalent. The tongue area shall be constructed of sturdy three (3)-inch square steel tube.

· Pan/Floor Construction. The trailer deck/pan shall be constructed on (10 to 14-gauge) 3/16”-smooth plate steel, chain welded to the frame construction, and cover the entire tilt-bed portion of the trailer to protect the underside of the scales. The rear (tail end) pan area must be flared and equipped with a steel approach ramp to facilitate the ease of scale loading and unloading. Scale System slider bed strips shall be fastened to the trailer floor/pan as a standard for wear resistance when loading and unloading the scales.

· Fender Construction. The trailer fenders shall be full radius design, with gusseted supports, and be constructed of ten (10)-gauge steel, and have an overall width of (9)-inch per fender.

· Dimensions/Weight. The overall trailer length shall not exceed 22’feet, and the overall width shall not exceed 96”-inches. The inside pan/floor dimension shall be a minimum of 74”-inches. The overall tongue dimension shall not exceed 64”-inches. The approximate trailer deck height towing height shall be 16”-inches unloaded, 14”-inches loaded. Trailer Weight varies with Models and Options. Base models start at 3,500/lbs to Deluxe models at 6,500/lbs.

· Axles/Hubs. The trailer shall be equipped with two (2)-6,000/lb. Dexter or equivalent drop axles with E-Z Lube 6-bolt hubs. The suspension shall consist of four (4)-Dexter or equivalent leaf spring assemblies.

· Brakes. The trailer shall be equipped with electric actuated FSA (forward self-adjusting) drum brakes on all wheels and include an installed breakaway device on the tongue to active the brakes in case of a trailer detachment from the tow vehicle.

· Wheels/Tires. The trailer shall be equipped with five (5)-tubeless radial highway trailer tires (includes spare tire and wheel mounted in front of the curbside fender), Load Range “C”, size ST225/75R15 D, mounted and electronically spin balanced on white mod. Fifteen (15”)-inch, six-(6)-bolt trailer wheels.

· Hitch Type. The trailer will be equipped with a (2-5/16”) adjustable ball type coupler; and two (2)-safety chains with safety latch hooks, 3/8”-size minimum, for coupling to the tow vehicle. The hitch height is adjustable, with a standard towing height set at (16”)-inches unloaded, (14”)-inches loaded.

· Jack. The tongue jack at a minimum should be a 7,000-pound drop leg manual crank to support the trailer when not being towed.

· Electrical Plug/Wiring. The trailer electrical plug must be a 7-pole RV connector with a seven-conductor jacketed cable extending a minimum of two (2)-feet beyond the hitch coupler wired to charge the winch/hoist battery from the tow vehicle while in transit. All electrical wiring connections and splices must be sealed and end in a weatherproof junction boxes. All wiring must be encased in a loom or harness and supported by clips or clamps at regular intervals. All wiring being routed through holes in beams and tubing must be supported with a grommet material, and not supported with silicone.

· Lighting/Reflectors. The trailer shall be outfitted with LED lights with a sealed wiring harness mounted on the rear light bar consisting of two (2) stop, tail, and turn signal lamps. A license plate light, and 3/16” plate support bracket, shall also be mounted on the rear light bar. Two side (2)-yellow running lights shall also be installed on each side of the trailer in conformance with SAE and ATA standards. Each trailer shall have four (4)-red reflectors installed on the outside of the light bar at the rear of the trailer, and (2)-yellow reflectors installed on each side of the pan/tool box area at the front of the trailer.

· Winches. The trailers must be equipped with two (2)-each Warn, or equivalent, 12VDC electric winches and controls to be powered from a 12V battery included in the front tool box area located on the tongue. The winches must have a 3,500/lb. vertical lift capacity and include a 7/32”-diameter rust resistant steel cable with safety latch hooks and safety chains to assist in the process of loading and unloading the scales. Winches shall be mounted on top of the tilt bed at the front of the trailer with protective plexiglass covers and the controls being wired and housed in the front tool box area located on the tongue.

· Hydraulic Tilt Package. The trailer tilt-bed shall be powered up and down by a 12VDC Electro-Hydraulic (4-ton) capacity system to load and unload the scales. The hydraulic reservoir, tilt control, and 12V battery shall be mounted in the front tool box area located on the tongue. A locking safety latch must be included and installed on the front tilting portion of the trailer for highway travel. Two (2)-scale tie down bars are standard on the base trailer model; and two-(2)-2”x 9’ft. nylon straps with flat hooks and full width scale lock bar are standard on trailer models with roller, or rollers with overhead storage.

· Tongue Tool Box. The trailer shall be equipped with a steel, lockable, storage compartment built onto the tongue are to house the 12V battery, hydraulic pump, fluid reservoir, hoist and winch controls, and include a (3-3/4”)-inch tall aluminum tool tray for spare parts.

· Paint. The trailer must be treated with a minimum of one (1)-base coat of rust proof primer and two (2)-coats of black automotive quality enamel, acrylic, or polyurethane paint.

· Scale Rollers. The trailer deck/pan area shall have heavy duty split roller sections mounted to the smooth steel deck/pan plate on each side of the center divider to ease loading and unloading of the scales. Rollers must be between 1.75” to 1.9”-diameter, and must be sealed, lubricated ball bearing type. Rollers are galvanized and the roller frames are zinc plated. NOTE: In lieu of standard scale slider bed strips.

· Overhead Storage/Sign Compartment. A raised storage compartment/box must be installed above the fenders and be approximately 39.5”-inches above the main trailer deck/pan. The aerodynamic storage compartment/box dimensions must be approximately 120”-inches long X 72”-inches wide X 18”-inches high, and include single drop down doors on both outsides/long sides of the compartment/box. Each drop down door must have two (2)-each lockable “T” or “D”-handle latches with keys.

· Custom Scale Tarp. Custom made industrial scale tarp with zippers and latches to cover scales on trailer.

Manufacturer Warranty, Defects and Customer Support

Complete Scale System and Trailer, inclusive of the CPU/Indicator, must be covered by 1-year Manufacturer’s warranty.

Vendor may offer extended warranty coverage as an option that may be considered by the KSP.

At minimum, vendor must provide coverage meeting the following minimum criteria:

1. Warranty:

All included equipment, other than digital cables, will come with a 1 year manufacturer warranty; all cables will come with a 6 month warranty.

2. Manufacturer Defects During the warranty period, if any component is deemed defective due to a manufacturing defect and the defective product receives return authorization, vendor will replace or repair the defective component at no additional cost, including costs of shipping and handling associated with review, repair or replacement of the defective product.

· Where repair is completed, only new parts may be used to complete the repair. The use of refurbished or remanufactured materials is strictly prohibited without prior written authorization of the CSP POE.

3. Customer Support Vendor will provide a minimum of 1 year of technical support at no additional charge.

· Vendor will also provide appropriate and relevant training materials, not limited to product instruction manual and/or CD/DVD.

· Vendor will be available to provide on-site instruction and training at the discretion of the KSP at least once during the 1-year warranty period.

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