Attachment 1 - Specifications.xlsx
XLSX spreadsheet 3 MB Posted
- Attached to
- MDOT Winter Maintenance Truck Buildup Components
- Solicitation number
- RFP 171 260000002057 2
- Issued by
- Michigan
About this file
Summary
This specifications attachment document outlines the detailed technical requirements for winter maintenance truck buildup components for the Michigan Department of Transportation (MDOT). The RFP No. 260000002057 encompasses thirty-three distinct component specifications covering fuel tank and hydraulic reservoir assemblies, front plow jacks, automatic electric tarp assemblies, pre-wet systems, hydraulic systems with multiple valve combinations, ground speed-oriented salt distribution spreader control systems, combination dump and spreader bodies in 11-foot and 14-foot configurations, stainless steel dump bodies, under-body scrapers with snow blades, wing plows, and various material spreader options. Each specification details precise manufacturing requirements, materials (predominantly 201 stainless steel), dimensions, performance standards, and component selections. The specifications require that all items be new, latest-model equipment in current production with all standard features, and contractors must respond with "YES" confirmation or provide detailed explanations and alternative options for any deviations.
The document establishes rigorous technical standards across all components, including specific make and model references (such as Monroe, Crysteel, Roll-Rite, and Certified Power equipment) identified for comparison purposes, with explicit allowances for equivalent substitutes. Requirements address construction materials and gauges, welding specifications, hydraulic system pressures and flows, electrical capabilities, sensor technologies, and operational features such as closed-loop control systems for material application and ground speed compensation. Critical specifications include stainless steel construction throughout, chrome-plated or polished finishes for durability, greaseable pivot points for maintenance access, and integration with MDOT-supplied controllers and monitoring systems. The hydraulic valve systems are detailed across eight valve combinations accommodating various truck configurations with front and rear discharge capabilities, multiple wing options, and specialized equipment for hookloader units and slide-in V-box spreaders.
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Other files
| File | Type | Posted |
|---|---|---|
| Confidential Treatment Form.docx | DOCX document | |
| Schedule B - Pricing.xlsx | XLSX spreadsheet | |
| Bidder Q&A - Winter Maintenance Truck Components.docx | DOCX document | |
| Proposal Instructions.docx | DOCX document | |
| Amendment 1.docx | DOCX document | |
| Standard Contract Terms.docx | DOCX document | |
| Schedule C - Insurance Requirements.docx | DOCX document | |
| Schedule A - Statement of Work.docx | DOCX document | |
| Schedule D - Service Level Agreement.docx | DOCX document | |
| Vendor Questions Worksheet.docx | DOCX document |
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Text version
Sheet2 RFP No. 260000002057
| TABLE OF CONTENTS | |
| 1 | # 04-Fuel Tank and Hydraulic Reservoir Assembly |
| 2 | # 04-PLOWJACK.1.C19 Front Plow Jack |
| 3 | # 04-Tarps .C19 Automatic Electric Tarp Assemblies |
| 4 | # 04-Pre-Wet Systems .C19 |
| 5 | # HYD-PP.C19 Hydraulic System |
| 6 | # GRDSPD.C19 Ground Speed Oriented Salt Distribution Spreader Control System with Electric Over Hydraulic Joystick Controls |
| 7 | # 04-11CBBDY.C19 11 ft. Combination 45 degree Sloped Side Dump and Spreader Body, Hoist, Rear Discharge and Distribution Systems |
| 8 | # 04-11CBBDYDA.C19 11 ft. Combination 45 degree Sloped Side Dump and Spreader Body, Dual Auger, Hoist, Rear Discharge and Distribution Systems |
| 9 | # 04-11SSDMP.C19 Dump Body, Stainless Steel, 8 cu. yd., 11 ft., Hoist and 1/2 Cab Protector |
| 10 | # 04-11SSDMPUBH.C19 Dump Body, Stainless Steel, 8 cu. yd., 11 ft., with Under Body Hoist and 1/2 Cab Protector |
| 11 | # 04-14CBBDY.C19 14 ft. Combination 45 degree Sloped Side Dump and Spreader Body, Hoist, Rear Discharge and Distribution Systems |
| 12 | # 04-14CBBDYDA.C19 14 ft. Combination 45 degree Sloped Side Dump and Spreader Body, Dual Auger, Hoist, Rear Discharge and Distribution Systems |
| 13 | # 04-14FCBBDY.C19 14 ft. Combination 45 degree Sloped Side Dump and Spreader Body, Hoist, Front and Rear Discharge Distribution Systems |
| 14 | # 04-14SSDMP.C19 Dump Body, Stainless Steel, 10 cu. yd., 14 ft., Hoist and 1/2 Cab Protector |
| 15 | # 04-14SSDMPUBH.C19 Dump Body, Stainless Steel, 10 cu. yd., 14 ft., with Under Body Hoist and 1/2 Cab Protector |
| 16 | # 55-FMBBLD.C19 Under-Body Scraper, Folding Mold Board Style Snow Blade, Hydraulic Angling |
| 17 | # 55-MOPBLD.C19 Under-Body Scraper, MOP Style Snow Blade, Hydraulic Angling |
| 18 | # 57-0901SMW.C19 Wing Plow, behind Scraper Mount, 9 Foot Left or Right |
| 19 | # 57-0901SMWJR.C19 Wing Plow, behind Scraper Mount, 9 Foot Left or Right |
| 20 | # 57-1201SMW.C19 Wing Plow, behind Scraper Mount, 12 Foot Left or Right |
| 21 | # 60-11-14SSDMP Option1.C19 Reversing Rear Cross Auger with Side Spinner |
| 22 | # 60-11_14SSDMP-Option2.C19 Zero Velocity Spreader |
| 23 | # 60-11SSDMP.C19 Hopper Box Material Spreader 11 Foot and Distribution Systems |
| 24 | # 60-11SSUBHDMP.C19 Hopper Box Material Spreader 11 Foot and Distribution Systems |
| 25 | # 60-14SSDMP.C19 Hopper Box Material Spreader 14 Foot and Distribution Systems |
| 26 | # 60-14SSUBHDMP.C19 Hopper Box Material Spreader 14 Foot and Distribution Systems |
| 27 | # 04-11-14CBBDY-Option1.C19 Reversing Rear Cross Auger with Side Spinner |
| 28 | # 04-11-14CBBDY-Option2.C19 Reversing Rear Cross Auger with Center Spinner |
| 29 | # 60-11_14MSDMP-Option3.C19 "Y" Chute Distributor |
| 30 | # 04-11CBBDY_Option4.C19 Belt Over Main Conveyor Chain |
| 31 | # 04-14CBBDY_Option5.C19 Belt Over Main Conveyor Chain |
| 32 | # 04-11_14CBBDY_Option6.C19 Salt Slurry Generator |
| 33 | # 65-HHLF.C19 Hydraulic Hook Lift Assembly |
| 1 | Specification # 04-Fuel Tank and Hydraulic Reservoir Assembly |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
Referenced Make and Model: Monroe 00203428 or equal Contractor to identify proposed make and model
| Brands or trade names are for identification purposes only and do not limit the Contractor to such brands | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | Tank shall be a combination diesel fuel, hydraulic oil and hydraulic valve enclosure behind the cab style unit with mounting feet and angle truck frame mounting brackets | |
| 1.2 | The combination tank/enclosure shall have mounting feet designed to support the weight of a full fuel tank, a full hydraulic oil tank and a fully assembled hydraulic valve assembly | |
| 1.3 | The fuel/oil tank shall have continuous welded seams throughout. The integrated valve enclosure shall be in the lower driver side beneath the fuel tank fill. The integrated valve enclosure shall have a stainless steel valve mounting plate bolted in the base and a removable access door equipped with "T" handle latches and a handle | |
| 1.4 | Tank truck frame mounting brackets shall be 4 inch x 12 inch x 17 inch x 1/2 inch angle with four gussets and an 8-1/2 inch wide x 7-1/2 inch cutout for access to the bottom of the tank | |
| 1.5 | Top of the angle bracket shall have two (2) elongated holes 1-1/2 inch long x 11/16 inch wide | |
| 1.6 | There shall be four (4) round rubber sandwich mounts to fasten the tank/enclosure assembly to the truck frame mounting brackets. The sandwich mounts shall be secured with a 5/8 inch grade 8 bolt through the center and be made of fuel resistant rubber | |
| 1.7 | Tank /enclosure assembly shall be manufactured from 7 gauge 201 stainless steel | |
| 1.8 | Fuel/oil tank/enclosure and the removable enclosure door shall be made from 201 stainless steel | |
| 1.9 | Fuel capacity shall be 115 gallons minimum | |
| 1.10 | Approximate overall dimensions shall be 34 inches tall x 19 inches wide x 80 inches long | |
| 1.12 | Each tank shall have a magnetic drain plug, be pressure tested for leaks, and be FHWA labeled | |
| 2.0 | Hydraulic Tank: | |
| 2.1 | Hydraulic tank shall have installed, one (1) Lenz DUAL LITA-1500-10-PT tank top mounted return filter with bypass, bolted and gasketed or equivalent | |
| 2.2 | Screen in the fill port | |
| 2.3 | Lockable breather cap with filtered vent | |
| 2.4 | The tank shall have a 3.375"-12 ORB o-ring flange for suction outlet | |
| 2.5 | Steel suction strainer Zinga LTMA-40-R3-100 shall be supplied with tank | |
| 2.6 | Combined level/temperature gauge mounted on outside end of tank approximately 6 inches from the top of the reservoir to the top hole in the gauge | |
| 2.7 | One (1) 1-1/16-12 straight threaded fitting in bottom | |
| 2.8 | Hydraulic tank shall be delivered clean with no contamination particles in excess of 5 microns | |
| 3.0 | Filtration: | |
| 3.1 | Bypass switch shall be Force America PS-25-WP or equivalent | |
| 3.2 | Filter unit shall have a pressure drop of less than 3psi @ 40gpm with 150 SSU oil | |
| 3.3 | Filter unit shall have a 1-1/2 inch hose barb with drop tube inside tank | |
| 3.4 | Two Lenz-LIT-1252-10P or equivalent replacement elements shall be furnished | |
| 4.0 | Fuel Tank: | |
| 4.1 | Fuel tanks shall have a pickup sump 6 inch x 6 inch x 3 inch with three (3) 3/4 -16 straight thread fittings, one out the bottom and two out the front. | |
| 4.2 | Fuel tank shall be shipped with sending units for fuel level, installed, and standard baffles within the tank | |
| 4.3 | Fuel sending units shall be ISS PRO RA9531-ISS-LP or equivalent | |
| 4.4 | Fuel tanks shall have ball check vent on top of the tank and a male safety filler cap with chain valve enclosure shall have a wire access hole 5 inches wide by 2-1/2 tall located approximately 6 inches in from the outside edge and 5 inches up from the bottom | |
| 4.5 | Valve enclosure shall have a wire access hole 5 inches wide by 2-1/2 tall located approximately 6 inches in from the outside edge and 5 inches up from the bottom | |
| 4.6 | Access hole shall have a plate to be attached with four (4) 5/16 inch bolts and nuts, 6-1/2inches wide by 4 inches tall with no holes drilled in it | |
| 4.7 | Enclosure shall have a stainless steel hydraulic valve mounting plate cutout to fit the current MDOT hydraulic valve and attached to enclosure with fourteen (14) 3/8 inch bolts and nuts | |
| 4.8 | Bottom of valve enclosure shall be cutout to accommodate the hydraulic valve mounting plate | |
| 4.9 | A 3/16 inch x 2 inch stiffener shall be welded vertically to the underside of the valve enclosure opening and shall have two (2) 7/16 inch elongated holes centered 1-1/8 inch and 4-1/8 inches in from the left edge, both front and back for step installation | |
| 4.10 | Fuel tank shall be delivered clean with no contamination particles in excess of 5 microns | |
| 5.0 | Wire Tie Downs: | |
| 5.1 | Tie downs will be constructed from 3/16 inch thick 1 inch x 1 inch with 5/16 inch hole in the center | |
| 5.2 | Back of tank locations | |
| a. | Four (4) welded vertical, 36 inches in from left edge with holes centered at 4, 12-1/2,21, 29-1/2 inches up from bottom of tank | |
| b. | Four (4) welded vertical, 12-1/2 inches in from right edge with holes centered at 4, 12-1/2, 21, 29-1/2 inches up from bottom of tank | |
| 5.3 | Front of tank locations | |
| a. | Four (4) welded vertical, 12-1/2 inches in from right edge with holes centered at 4, 12-1/2, 21, 29-1/2 inches up from bottom of tank | |
| b. | One (1) welded horizontal, with hole centered 3-1/2 inches in from right edge 1 inch up from bottom of tank | |
| c. | Four (4) welded horizontal, 4 inches up from bottom of tank with holes centered at 25-1/2, 40, 54-1/2 inches in from right edge | |
| 6.0 | Steps: | |
| 6.1 | 3/16 inch thick 4 inch x 1-1/2 inch light mounting plate shall be welded to the bottom of the tank, 4-1/4 inches back from front edge and 1/2 inch in from right edge with two (2) 5/16 holes on 3 inch centers, 1/2 inch in from front and rear edges and 3/4 inch up from bottom | |
| 6.2 | Step fabricated from 9-1/2 inch deep by 18 inch wide expanded metal step material with "L" shaped plates on each end to be mounted on the left side of tank assembly to stiffener and have 5 inch wide mounting surface with three (3) sets of mounting holes 3 inches on center horizontally and 2 inches on center vertically shall be provided | |
| 6.3 | Step shall have a light mounting bracket 3/16 inch thick x 1-1/2 inch x 2-1/2 welded to the inside of the front "L" shaped plate at the bottom with 1/2 inch hole centered 3/4 inches in from the inside end | |
| 7.0 | Low Oil Alert: | |
| 7.1 | A Gems procucts low oil sensor shall be provided and installed in the hydraulic tank. P/N 248896 | |
| 7.2 | A 1-1/4 inch NPT fitting shall be located in the top of the hydraulic tank for the low oil sensor | |
| 7.3 | The low oil level sensor shall be normally open, low oil level in the tank will cause the sensor to close | |
| END OF SPECIFICATION | ||
| 2 | Specification # 04-PLOWJACK.1.C19 Front Plow Jack |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
Referenced Make and Model: Monroe/HH34 or equivalent.
Contractor to identify proposed make and model
| Brands or trade names are for identification purposes only and do not limit the Contractor to such brands | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | Truck portion of the hitch shall be of the automatic snap coupling type | |
| 1.2 | Hitch assemblies shall be 34 inches wide and 42 inches in height | |
| 1,3 | The slide rails of the hitch shall be manufactured of .375 inch thick plate, formed from a 12.221 inch wide x 42 inch high plate | |
| 1.4 | Side rails shall be 9.858 inches deep with an inside radii of .406 forming a 2.5 inch wide front face | |
| 1.5 | Top and bottom 1 inch of the side rails will be tapered inward to prevent restriction with the mating plow portion | |
| 1.6 | The back inside of the slide plates will be reinforced with 3/8 inch x 3 inch x 3 inch angle x 30" length | |
| 1.7 | Top and bottom cross member angle shall be 3-½ inch x 3-½ inch x .375 inch | |
| 1.8 | Bottom angle shall be supported with an additional angle inner brace of 2-½ inch x 2-½ inch x .375 inch | |
| 1.9 | Lift arm assembly shall be manufactured from ¾ inch plate, a solid 2 ½ inch diameter x 3 ¼ inch long lift shaft and shall have ½ inch plate provisions for attaching the plow lift cylinder with 1 inch pins | |
| 1.10 | Plow lift cylinders shall be 3 inch x 10 inch double acting, with a Socratic rod, with 1 inch pin at base and rod end, ¾-16 ORB ports. | |
| 1.11 | Bracing for the lift arm shall consist of two (2) 3/8 inch triangular plates and 3/8 inch angle and have a 1 inch pivot pin | |
| 1.12 | The enclosed spring loaded canisters shall have a tapered 1.875 inch machined pin that is induction hardened to 48-52RC and to a case depth of .030 inches, that is greaseable | |
| 1.13 | Canisters will be welded to the slide plates and reinforced with ½ inch triangular gussets | |
| 1.14 | Unlocking lever shall be of 3/8 inch x 1-½ inch bar with 3/8 inch round linkage rods connecting the canister pins | |
| 1.15 | Hitches shall be powder coated black | |
| 1.16 | Hitch slide plates shall be coated with a graphite anti-seize compound and shall be 100% continuously welded, No Exceptions | |
| END OF SPECIFICATION | ||
| 3 | Specification # 04-Tarps .C19 Automatic Electric Tarp Assemblies |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
Referenced Make and Model: Roll-Rite or equal Contractor to identify proposed make and model
| Brands or trade names are for identification purposes only and do not limit the Contractor to such brands | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | The unit will need to be available for 11 foot and 14 foot applications | |
| 2.0 | Tarp: | |
| 2.1 | Tarp shall be made of high quality minimum 18oz material with a urethane coating on both sides | |
| 2.2 | Tarp shall have a 350° F temperature rating. (Must indicate when ordering: Black Mesh or Asphalt | |
| 2.3 | Main body of tarp shall be constructed of a single piece of material | |
| 2.4 | Tarp tube pocket shall be lined with a solid weave material | |
| 2.5 | Tarp shall have rear corners reinforced by doubling the 18oz material in the corners | |
| 2.6 | Edges shall be heat welded to bind them | |
| 2.7 | Any stitching shall be bonded polyester thread | |
| 2.8 | Tarps shall not have side or tail flaps | |
| 3.0 | Component Construction: | |
| 3.1 | Components shall be constructed of 6005 T5 aluminum which exceed the 6061 T6 ratings | |
| 3.2 | Springs shall be Teflon coated for added rust and wear protection | |
| 4.0 | Arms and Springs: | |
| 4.1 | Tarp arms shall be aluminum extrusions in the shape of a modified oval with two flat sides for maximum strength to weight ratio | |
| 4.2 | Springs shall be spiral torsion style | |
| 4.3 | Springs shall be designed for easy replacement without replacing whole arm | |
| 5.0 | Pivots: | |
| 5.1 | Pivots shall be mounted on an 1 1/4 inch pin that has been nitro carburized to stop corrosion | |
| 5.2 | Pivots shall be mounted through the side rail of the body | |
| 5.3 | Pivots shall be adjustable by simply adjusting hook pin height or by adding/subtracting spiral torsion springs | |
| 5.4 | Pivot tubes shall be polished, with four (4) springs per side, 84 inches long | |
| 5.5 | Bearings shall be greaseable | |
| 6.0 | Bows: | |
| 6.1 | Bow arms shall have 90° corners welded in them | |
| 6.2 | Bow arms shall be polished | |
| 7.0 | Tension Bow: | |
| 7.1 | System shall include gravity powered tarp tensioning bow to assist in holding the tarp down behind cab shield to prevent sailing | |
| 7.2 | Tension arm shall mount on the main pivot arm; it shall NOT attach to the cab shield or main dump body | |
| 7.3 | Tension bow arms shall have 90° elbows welded in them | |
| 7.4 | Tension bow arms shall be polished | |
| 8.0 | Tarp Spool: | |
| 8.1 | Tarp spool shall include a one piece polished aluminum wind deflector that can be cut to fit any truck | |
| 8.2 | Ends of wind deflector shall incorporate mounts for strobe lights and drive motor | |
| 8.3 | Tarp spool shall include a tarp axle with five (5) full length pre-threaded grooves for mounting the tarp | |
| 8.4 | Axle shall have a Nitro carburized stub shaft to help prevent corrosion between a-similar metals | |
| 8.5 | Tarp spools shall include all electrical components needed to wire truck for easy in cab operation | |
| 8.6 | Tarp spools shall be designed so as NOT to trap debris on the cab shield and allow for easy cleaning of cab shield | |
| 9.0 | Tarp Drive: | |
| 9.1 | Tarp drive shall have controls mounted in cab | |
| 9.2 | Tarp drive shall have a 12 volt gear motor | |
| 9.3 | Tarp drive shall be chrome plated | |
| 9.4 | Tarp drive shall have a tool steel Nitro carburized output shaft | |
| 9.5 | There shall be NO chain drives in the construction of the gear motor | |
| 9.6 | The tarp control system shall include a remote mounted, solenoid controlled, polarity reversing switch, a three position, non-detent control switch, circuit protection, and enough 6 gauge dual conductor wire to extend from the batteries to solenoid switch and to the tarp motor | |
| 4 | Specification # 04-Pre-Wet Systems .C19 |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
Referenced Make and Model: Monroe LDS or equal Contractor to identify proposed make and model
| Brands or trade names are for identification purposes only and do not limit the Contractor to such brands | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | Units shall provide a ground speed controlled pre-wet systems to be mounted on MDOT winter maintenance trucks | |
| 1.2 | Pre-wet liquid pump shall be Shurflo model 4211. 12 volt DC driven | |
| 1.3 | Pre-wet electric pump shall be capable of 6gpm and have integral 45 psi shut off switch. Pump housing to be polypropylene. | |
| 1.4 | Pump will be three chamber diaphram style with .5" intake and discharge hose barbs. | |
| 1.5 | Pump will be mounted inside a 12" x 15" x 5" enclosure and includes a hall effect Dickie-John flow meter. | |
| 1.6 | Pre-wet electric pump/motor shall be mounted inside a NEMA type enclosure with a hinged door for access, size to be determined by MDOT at pre-construction meeting. | |
| 1.7 | Pre-wet pump system shall have a poly check valve to be mounted in the discharge line to the spray nozzles | |
| 1.8 | Prewet elctric controls including 15amp driver and all necessary cables | |
| 2.0 | Pre-wet system shall include a nozzle kit including: | |
| 2.1 | Three (3) 2gpm spray nozzles | |
| 2.2 | All necessary hoses and fittings | |
| 2.3 | Strainers shall be included in line in the discharge lines | |
| 2.4 | Stainless steel guards to be installed with the nozzles | |
| 3.0 | Liquid Tanks: | |
| 3.1 | Liquid tanks shall be 100 gallon minimum capacity for combination body trucks and 100 gallon capacity for slide-in V-box bodies. Exception - 11ft DVS bodies shall be twin 75 gallon tanks instead of twin 100 gallon tanks. | |
| 3.2 | Each body shall be equipped with twin tanks and shall be fitted with an equalizing hose between tanks | |
| 3.3 | Tanks shall be fitted with 2 inch cam-lock fittings for bulk filling | |
| 3.4 | Tanks shall be constructed of 3/8 inch wall rotationally molded polypropylene and shall have built in baffles | |
| 3.5 | Each tank shall have a minimum 3 inch fill opening at the top | |
| 3.6 | Tanks shall fit existing MDOT combination bodies and slide in material spreaders | |
| 3.7 | Tanks shall be fitted with the proper poly type tank vents | |
| 3.8 | Discharge fittings shall be molded type | |
| 3.9 | Spin welded or flange type fittings shall NOT be acceptable _ | |
| 3.10 | Tanks shall be provided with stainless steel mounting brackets and all necessary stainless steel hardware and attachments | |
| 3.11 | Tank kits for the combination bodies and the slide in bodies shall include a one (1) piece stainless steel tray that is as long as the tank | |
| 3.12 | The V-box kits shall include brackets that bolt directly to the V-box cross members | |
| 3.13 | A stainless steel pump enclosure mounting bracket shall be supplied with pre-wet system | |
| 3.14 | A bulk fill kit with poly cam-lock fittings and poly shut-off valve shall be provided | |
| 3.15 | A flusher kit consisting of a poly directional ball valve and a separate suction hose shall also be provided to be installed in the liquid supply line from the tank to the pump | |
| 3.16 | Quick disconnect poly cam fitting kits shall be supplied for the liquid discharge line to the spinner | |
| 3.17 | Tanks to be mounted to either the body or the slide in spreader that correspond to the unit that it is ordered for at time of delivery from factory. Installation not needed on combination DVS bodies. | |
| 4.0 | Electric Pump System: | |
| 4.1 | Electric pump driven prewest system for front and rear discahrge combination dump bodies shall include the following: 00188374 Closed loop base kit w/plumbing kit, 6 GPM electric pump w/ 14" x 12 ' x 5" enclosure and plumbing kit for Dickey-John flowmeter (does not need to include controller or harness) 00188379-C stainless steel mouting bracket for prewet system, 00012641-C tank kit: 100 gallon, 5" lid, 201 stainless steel HDW, 00185534 cross over kit, 00065211 nozzle kit w/ 6 nozzles and diverter, 00185532 flush kit, MTE pre-wet system 12 VDC and dydraulic, 05050320 Bulk fill kit, MTE pre-wet system 12 VDC and hydraulic, 00020043 quick disconnect kit. | |
| END OF SPECIFICATION | ||
| 5 | Specification # HYD-PP.C19 Hydraulic System |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
| Contractor to identify proposed make and model | ||
| Brands or trade names are for identification purposes only and do not limit the Contractor to such brands | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | Hydraulic valve must be compatible with Dickey-john Control Point and Freedom controllers as manufactured by Certified Power | |
| 1.2 | Each system shall be priced individually and shall include the pump, shutdown system, driveline and a specific valve as described in the following. | |
| 1.3 | The Contractor shall package each system and identify by label as to the truck unit numbers as assigned by M-DOT. | |
| 2.0 | Pump Drive: | |
| 2.1 | Pump shall be driven from the front of the engine crankshaft via a Spicer 1310 series drive-line assembly, or equal, with a splined slip yoke and fixed end yokes assembled per MDOT specifications | |
| 2.2 | The drive line assembly shall include a companion flange with a 1.5 inch keyed opening to fit the hydraulic pump. The companion flange shall be keyed to the pump and shall include a hub piloted flange. Drive line assembly shall include hub piloted end yokes to fit both the front of the engine as well as the companion flange. | |
| 2.3 | Pump shall be driven from the front of the engine crankshaft via a Spicer 1310 series drive-line assembly, or equal, with a splined slip yoke and fixed end yokes assembled per MDOT specifications | |
| 2.4 | Two (2) setscrews will be drilled for, and secured by, a safety wire and all cross and bearing assemblies will have grease fittings that are readily accessible | |
| 2.5 | The splined slip joint shall have a readily accessible grease fitting also | |
| 3.0 | Hydraulic Pump: | |
| 3.1 | Furnish a variable volume, pressure, and flow compensated, load sensing axial piston pump | |
| 3.2 | The pump shall offer the following features as standard | |
| a. | Bolt on compensator with separate adjustments for stand by and main pressure | |
| b. | SAE C mounting flange | |
| c. | SAE code 62 flanged pressure port | |
| d. | SAE code 61 flanged suction port size 2-½ inch | |
| e. | 1-½ inch SAE keyed input shaft. The end of the shaft shall be drilled and tapped to accept a retainer bolt for the companion flange | |
| f. | One piece input shaft for long service life | |
| 3.3 | The pump shall be of cast iron construction, 6.0ci displacement for all truck systems | |
| 3.4 | Low Oil Alert: A low oil level sensor (Sensor furnished by hydraulic tank vendor) of the solid state, non-mechanical, non-float type, to be connected to a normally open, energize to close, solenoid operated control valve of the cartridge and manifold design to be directly bolted to the pump pressure port. Actuation shall be by the closing of a ground connection through the low oil level sensor, to automatically shut off pump pressure port flow to all downstream functions in the event of low hydraulic oil level. | |
| 4.0 | Valve Body: | |
| 4.1 | Hydraulic control valve shall be a closed center sectional type valve, load sense, individually pressure and flow compensated, rated at minimum 40gpm | |
| 4.2 | The valve shall be assembled with a mid-inlet to allow a maximum flow into P (pressure port) of 52gpm | |
| 4.3 | All valve assemblies shall have the same “footprint” to facilitate the use of M-DOT valve enclosures | |
| 4.4 | The P port must be SAE 16, tank (T) SAE 20 X, Y, L, M ports SAE 6 | |
| 4.5 | The valve shall feature individual sections for all functions. The A & B work-ports shall be SAE 12 | |
| 4.6 | The valve shall include a cartridge type shuttle network with access opposite the working ports for serviceability | |
| 4.7 | All valve functions shall be pilot solenoid operated | |
| 4.8 | All valve functions shall include individual load sense pressure adjustment for each work port | |
| 4.9 | Valve section flow to be determined by spool selection, for proper proportional joystick operation at C in the down travel position under induced load conditions | |
| 4.10 | Spool flows shall be easily field adjustable within a range by the addition or subtraction of shims or adjusting nuts, adjustment shall not reduce main spool travel | |
| 4.11 | For serviceability when enclosure mounted the solenoid coils and the individual work port load sense pressure controls shall be adjustable and accessible on the same side of the valve | |
| 4.12 | Push pin manual overrides on the proportional coils shall be covered to exclude corrosion | |
| 4.13 | Coils will be one piece assemblies with covered manual overrides | |
| 4.14 | All valve functions shall include stroke limiter | |
| 4.15 | All valve functions shall have adjustable flow compensators, either shim or screw adjustment is acceptable | |
| 4.16 | The hydraulic pilot supply will be internal to the valve | |
| 4.17 | The pump sense line bleed off shall be integral to the valve | |
| 4.18 | All valve assemblies shall be painted | |
| 4.19 | All valve sections shall be identified as to their function | |
| 4.20 | All sections are to be fully proportional electric | |
| 5.0 | Vender shall supply pricing for the following valve sections. All sections shall be EPC type and shall include adjustable load sense pressure control as well as spool stops. Flow rates will be determined at the time of order. Pricing to include the following sections. | |
| a. | 4 way, EPC section | |
| b. | 3 way motor spooled EPC section | |
| c. | 4 way motor spooled EPC section | |
| 5.1 | Valve Combination Number 1: | |
| a. | Combination number 1 system shall include the following sections for a rear discharge combination body with one wing, and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way Low boy, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Main conveyor 3 way, 24 gpm, motor spooled, adjustable load sense pressure control section for rear discharge combination body includes adjustable load sense relief for B port | |
| k. | Section 8: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| l. | Section 9: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| m. | Section 10: pass through section | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.2 | Valve Combination Number 2: | |
| a. | Combination number 2 system shall include the following sections for a rear discharge combination body with two wings , and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way section, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| k. | Section 8: Main conveyor 3 way, 24 gpm, motor spooled, adjustable load sense pressure control section for rear discharge combination body includes adjustable load sense relief for B port | |
| l. | Section 9: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| m. | Section 10: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.3 | Valve Combination Number 3: | |
| a. | Combination Number 3 system shall include the following sections for a front and rear discharge combination body with one wing , and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way section, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Main conveyor 4 way, 24 gpm, motor spooled, adjustable load sense pressure control section for rear discharge combination body includes adjustable load sense relief for A& B port | |
| k. | Section 8: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| l. | Section 9: Spinner, 4 way motor spooled, section, SAE 12 ports,, 8 gpm A&B port, adjustable load sense pressure control for front and rear spinners | |
| m. | Section 10: pass through section | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.4 | Valve Combination Number 4: | |
| a. | Combination Number 4 system shall include the following sections for a front and rear discharge combination body with two wings , and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way section, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| k. | Section 8: Main conveyor 4 way, 24 gpm, motor spooled, adjustable load sense pressure control section for rear discharge combination body includes adjustable load sense relief for A& B port | |
| l. | Section 9: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| m. | Section 10: Spinner, 4 way motor spooled, section, SAE 12 ports,, 8 gpm A&B port, adjustable load sense pressure control for front and rear spinners | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.5 | Valve Combination Number 5: | |
| a. | Combination Number 5 system shall include the following for sections for hookloader units with one wing, and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way motor spooled section, 34g.p.m., SAE 12 A&B work-ports, adjustable pressure control with 3500 psi on A&B ports | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Jib, 4 way motor spooled section, 19 gpm., SAE 12 A&B work-ports, adjustable pressure control with 3500 psi on A&B ports | |
| k. | Section 8: Main conveyor/auger, 3 way, 15 gpm, motor spooled, adjustable load sense pressure control section for v box attachment includes adjustable load sense relief for B port | |
| l. | Section 9: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| m. | Section 10: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.6 | Valve Combination Number 6: | |
| a. | Combination Number 6 system shall include the following for sections for hookloader units with two wings, and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way motor spooled section, 34g.p.m., SAE 12 A&B work-ports, adjustable pressure control with 3500 psi on A&B ports | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Jib, 4 way motor spooled section, 19 gpm., SAE 12 A&B work-ports, adjustable pressure control with 3500 psi on A&B ports | |
| k. | Section 8: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| l. | Section 9: Main conveyor/auger, 3 way, 15 gpm, motor spooled, adjustable load sense pressure control section for v box attachment includes adjustable load sense relief for B port | |
| m. | Section 10: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| n. | Section 11: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.7 | Valve Combination Number 7: | |
| a. | Combination Number 7 system shall include the following for sections for dump trucks with slide in V Boxes and one wing, and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way section, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Main conveyor 3 way, 15 gpm, motor spooled, adjustable load sense pressure control section for slide in V box includes adjustable load sense relief for B port | |
| k. | Section 8: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| l. | Section 9: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| m. | Section 10: pass through section | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| 5.8 | Valve Combination Number 8: | |
| a. | Combination Number 8 system shall include the following for sections for dump trucks with slide in V Boxes and two wings, and shall include the following | |
| b. | Left End Cover: Blank | |
| c. | Section 1: Front plow swing, 4 way, 15gpm, SAE 12 A&B work-ports, adjustable load sense pressure control | |
| d. | Section 2: Front plow lift, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| e. | Section 3: Underbody swing, 4 way, SAE 12 A&B work-ports 15gpm, adjustable load sense pressure control | |
| f. | Section 4: Underbody blade up/down, 4 way, 15gpm, SAE 12 A&B work-ports adjustable pressure control, 800psi load sense relief down and 1,400psi load sense relief up | |
| g. | Section 5: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| h. | Section 6: Hoist, 4 way section, 34g.p.m., SAE 12 A&B work-ports, with 500psi load sense relief for down pressure | |
| i. | Mid Inlet: Must have adjustable anti-cavitation relief valve | |
| j. | Section 7: Wing raise and lower (extend/retract shall be incorporated with the single valve), 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control | |
| k. | Section 8: Main conveyor 3 way, 15 gpm, motor spooled, adjustable load sense pressure control section for slide in V box includes adjustable load sense relief for B port | |
| l. | Section 9: Cross auger, 4 way, 15gpm, motor spooled, SAE 12 A&B work-ports adjustable load sense pressure control to control either front or rear cross auger | |
| m. | Section 10: Spinner, 4 way motor spooled, asymmetrical section, SAE 12 ports, 18 gpm A port, 8 gpm B port, adjustable load sense pressure control for either a standard spinner or a zero velocity spinner | |
| n. | Section 11: pass through section | |
| o. | Right end cover: Outlet cover shall include power beyond with load sense carryover for plumbing of a zero velocity spinner attachment; port sizes (P) SAE 12, (T) SAE 16 (LS) SAE 6 | |
| END OF SPECIFICATION | ||
| 6 | Specification # GRDSPD.C19 Ground Speed Oriented Salt Distribution Spreader Control System with Electric Over Hydraulic Joystick Controls |
All items specified and furnished by the Contractor shall be new of the latest model in current production and shall include all standard features normally offered with these models CONTRACTOR must respond to each section with YES (or additional information as requested).
If NO is indicated, provide explanation and available option.
| Referenced Make and Model: Certified Power Freedom XDS (FRXDS) or equivalent. Contractor to identify proposed make and model. Brands or trade names are for identification purposes only and do not limit the contractor to such brands. | Make and Model: | |
| 1.0 | Basic Requirements: | |
| 1.1 | These systems will be used in conjunction with a closed center valve and load sense/pressure compensated piston pump, to be supplied by MDOT | |
| 1.2 | Electric over hydraulic joysticks are to control the underbody scraper up/down, left/right, front plow up/down, left/right, dump body and mid-mount wing up/down | |
| 1.3 | Spreader functions shall be ground speed controlled with in-cab display and control | |
| 1.4 | The control must be capable of closed loop prewet and anti-ice systems and dual spreaders (tow plow) | |
| 2.0 | Remote Valve Controls: | |
| 2.1 | Remote valve joysticks (or single joystick) controllers shall be located in the cab of the truck, configured for mounting in a location convenient to the operator, on a console mounting base, to a fixture on the cab floor supplied by MDOT. | |
| 2.2 | Joystick controllers shall have the capability to provide proportional control to the hydraulic pulse width modulated (PWM) valves up to 14 per output module | |
| 2.3 | The joysticks will be incorporated into the CAN bus network. | |
| 2.4 | The joysticks (or joystick) shall be mounted in a console that houses them and provides an armrest. | |
| 2.5 | Controllers shall have a user selectable interface to be compatible with a proportional hydraulic valves | |
| 2.6 | Controllers shall be mounted in a modular base that accepts one to four controllers and be available in a dual or single gated axis configuration | |
| 3.0 | Controls: | |
| 3.1 | Single function controller shall have a single push button, red in color, that is mounted in the joystick handle. Single, multiplexed joystick will have function colored buttons. | |
| 3.2 | Red button shall serve as a safety lockout, or switch, whereas output from the control will not activate without first depressing the push button | |
| 3.3 | All other components shall be black in color | |
| 3.4 | Controller shall contain a microprocessor with 14 control channels and the sticks shall be gated such that the handle only moves in one axis (front to back) or side to side. | |
| 3.5 | Single Joystick shall be Multiplexed and shall have 3 axis. | |
| 3.6 | Controller shall be user selectable to provide PWM frequency from 0-300Hz | |
| 3.7 | Electrostatic discharge and electromagnetic interference protection shall be provided | |
| 3.8 | Single axis joysticks shall control both the dump body and the wing, if so equipped, with the use of a toggle switch provided in the console | |
| 4.0 | Base Plate: | |
| 4.1 | Standard base will include terminal strips and necessary relays. Three rocker switches will be included | |
| 4.2 | Base will be enclosed cabinet style with mounting post for armrest. Front access panel will be bolt on. | |
| 4.3 | MDOT supplied floor rails for the console and base plate shall be reviewed at the preconstruction meeting | |
| 5.0 | Ground Speed System l (GSS I): | |
| 5.1 | System shall have the capability to maintain a uniform application rate of granular deicing materials and liquid materials simultaneously (based on granular output) | |
| 5.2 | System shall have the capability of being used as a liquid only control and monitor boom shutoff inputs | |
| 5.3 | System shall have the flexibility of closed loop control of the spinner in order to maintain a desired spinner spread width | |
| 6.0 | GSS I - Console: | |
| 6.1 | Control console shall have an easy to read LCD display which is capable of displaying a minimum of four (4) control channel application rates, ground speed, spread width, time/date, gate height, liquid level, simultaneously | |
| 6.2 | Control console shall contain a microprocessor and have a minimum of four (4) closed loop control channels | |
| 6.3 | One control channel shall be used for application of granular material on a pounds (kilograms) per mile (kilometer) or area based (pounds per square foot/grams per square meter) | |
| 6.4 | A second channel and third shall be used for control of liquid material on a gallons (liters) per ton based on the granular application rate or gallons (liters) per mile (kilometer) and gallons (liters) per square yard (meter) a direct application channel will be included | |
| 6.5 | A fourth channel will be used for controlling the spinner speed and be capable of utilizing a feedback sensor to close the loop in order to maintain a desired spinner rpm and spread width | |
| 6.6 | Display will offer switches to cycle to menus and enter accumulated spread rate data screens. | |
| 6.7 | Console shall have sufficient memory capable of recording the following information and display as current run totals and season totals: | |
| a. | Miles(kilometers), tons (metric/English), and gallons (liters) spread while in automatic control mode | |
| b. | Miles(kilometers), tons (metric/English), and gallons (liters) spread while in BLAST mode | |
| c. | Total miles (kilometers), tons (metric/English), and gallons (liters) spread in automatic control mode | |
| d. | Total vehicle miles (kilometers) driven while output is active | |
| e. | Liquid gallons (liters) sprayed during pre-wetting and anti-icing applications | |
| 6.8 | Console shall also record system information which includes: | |
| a. | Application rate history | |
| b. | Alarm history indicating when control system was operating in an error condition (application error, manual override, or loss of feedback sensor) | |
| 6.9 | Control console will automatically adjust the amount of granular material being applied when the closed loop spinner is in operation and the spread width knob setting is increased or decreased, this shall provide for spreading granular material in pounds per lane mile or pounds (kilograms) per square yard (meter) | |
| 6.10 | Control console shall have visual display of when unit is operating in application rate error, unload or blast condition, manual speed and automatic manual override condition, and built in ground speed simulator | |
| 6.11 | Truck ID can be entered into the unit that has a unique code for each truck | |
| 6.12 | This ID would also show up on AVL so that data tracking can be done on an entire fleet of trucks | |
| 6.13 | Console shall have the capability of being switched from English units to metric units | |
| 6.14 | For Combination Body trucks, units shall have Electro Proportional Control (EPC) for speed of cross conveyor and two (2) position switch to control direction | |
| 6.15 | A two (2) position switch to control main conveyor direction and spinner shall be provided | |
| 6.16 | This switch shall be wired into the main controller to maintain ground speed control | |
| 6.17 | Unit shall be programmable for at least four (4) types of material, four (4) liquids, and capable of controlling pre-wet and anti-icing with boom controls without changing consoles or modules | |
| 6.18 | Wiring for liquid operation shall be plug and program | |
| 6.19 | Units shall include a two (2) year warranty on the processor and console | |
| 6.20 | Data logging information shall be available for transmission through AVL. | |
| 6.21 | Unit to include on board diagnostics of all CAN BUS connected hardware | |
| 6.22 | Console will allow dynamic joystick calibration on screen with adjustments for travel, deadband, multiplexing of outputs and PWM output range. | |
| 6.23 | Controller shall beep and flash a warning to the operator | |
| 6.24 | Console can be programmed on screen, or through USB port via computer. | |
| 6.25 | Console to include FIRST guide , on screen tutorial for programming. | |
| 6.26 | Console calibration mode: | |
| a. | Automatic calibration procedures for granular and liquid channels to determine the granular spreader constant of conveyor/auger and liquid sprayer constant of flow meter | |
| b. | Ground speed calibration procedure in units of 1 mile or 1 kilometer | |
| c. | Unit will include capability for GPS speed input signal. | |
| d. | Automatic calibration procedure that will determine the PWM offset and saturation points of valve as well as system gain and enter into the console’s memory | |
| e. | Programmable blast timed button or on/off when blast button is pressed and then released |
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