1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to DAMI_STANDARDIZATIONconus.army.mil or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501
2、 E. 11 Mile Road, Warren, MI 48397-5000. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 2330 NOT MEASUREMENT SENSITIVE A-A-52613A 06 October 2010 SUPERSEDING A-A-52613
3、June 17, 1996 COMMERCIAL ITEM DESCRIPTION SEMITRAILER, REFUSE COLLECTION: TANDEM AXLE, 57 CUBIC METERS (75 CUBIC YARD), FOR USE WITH STATIONARY COMPACTORS AND COMPACTOR, STATIONARY, 2.7 CUBIC METERS (3.5 CUBIC YARD), FOR USE WITH REFUSE COLLECTION SEMITRAILERS The General Services Administration has
4、 authorized the use of this commercial item description (CID) for all federal agencies. 1. SCOPE. This CID covers a commercial refuse collection semitrailer with an auxiliary engine driven hydraulic ejection plate, designed for rear loading by an electrically powered stationary compactor. This CID a
5、lso covers an electrically powered stationary compactor for use with this type of semitrailer. The units (the semitrailer and compactor) procured under this CID are commercially designed by the same manufacturer and are required to be warranted by the manufacturer as specified in acquisition documen
6、ts. 2. SALIENT CHARACTERISTICS 2.1 Physical characteristics. 2.1.1 Standard vehicle and accessories. Except as specified herein, the vehicle, components, assemblies, and accessories to be delivered under the contract shall be standard or optional items which meet or exceed the requirements of this s
7、pecification. The vehicle shall be a standard commercial vehicle, of a model sold to a significant number of buyers other than the Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52613A 2 Government, in the course of normal business operation. Th
8、e model furnished shall be not older than the manufacturers current model on the date of invitation for bids. 2.1.2 Dissimilar metals. All dissimilar metals used throughout the vehicle and compactor shall be insulated from one another to prevent galvanic or electrolytic action. 2.1.3 Prohibited mate
9、rials. Asbestos materials shall not be used in any form in any part of the vehicle. No item, part or assembly shall contain radioactive materials in which the specific activity is greater than 0.002 microcurie per gram or activity per item equals or exceeds 0.01 microcuries. 2.1.4 Accessibility. The
10、 design of the vehicle and optional equipment shall permit access for routine servicing and shall permit access for replacement and adjustment of component parts and accessories with minimal disturbance of other components and systems. 2.1.5 Lubrication. Lubrication means shall be provided for all p
11、arts of the semitrailer normally requiring lubrication. Where the use of high lubricating pressure will damage grease seals or other parts, fittings with pressure release shall be used. 2.1.6 Safety. All equipment or exposed portions of the equipment which are subject to extreme temperatures and inc
12、lement weather and all rotating or reciprocating parts which are of such a nature or so located as to become a hazard to operating personnel shall be insulated, fully enclosed, or properly guarded. 2.1.7 Electromagnetic radiation. The vehicle shall be suppressed to limit electromagnetic radiation in
13、 accordance with SAE J551-1. 2.2 Performance. The semitrailer shall evidence no part failure, deformation, permanent set or interference between parts when towed, both empty and when loaded with specified payload, as follows: a. At speeds as great as 32 kilometers per hour (km/h) (20 miles per hour
14、(mph) over unimproved roads and reasonably hard uneven terrain; b. At speeds as great as 97 km/h (60 mph) over improved roads; and c. At speeds as great as 16 km/h (10 mph) on 10 percent side slopes on unimproved roads and reasonably hard uneven terrain. 2.2.1 Turning ability. The semitrailer shall
15、be capable of assuming a 90 degree angle to a coupled truck tractor without cramping and without damaging the semitrailer or the truck tractor. 2.2.2 Brake performance. The service brakes shall stop the truck tractor-semitrailer combination, with the semitrailer loaded as specified in 2.3. Requireme
16、nts shall be met with a truck tractor loaded to its full rated gross vehicle weight rating (GVWR) and gross combination weight rating (GCWR). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52613A 3 2.3 Volume and payload. The net volume of the r
17、efuse body shall be not less than 57.3 cubic meters (m3) (75 cubic yards). Refuse payload capacity, evenly distributed within the load area, shall be not less than 16 350 kilograms (kg) (36 000 pounds) (lbs). 2.3.1 Wheel loading. The axles of the semitrailer shall be positioned so that the total loa
18、d imposed on the tires, measured at the ground, with the semitrailer loaded as specified in 2.3, shall be not more than 151 230 Newtons (N) (34 000 lbs). 2.4 Dimensions and clearances. The semitrailer, uncoupled from the truck tractor, resting level on its landing legs on level ground, without paylo
19、ad, shall conform to the dimensions and clearances specified in table I: TABLE I. Dimensions and clearances. Feature Dimensions and clearance centimeters (cm) inches (in) Overall length shall be not more than 1219 (480) Overall width shall be not more than 244 (96) Overall height shall be not more t
20、han 411 (162) Ground clearance shall be not less than 23 (9) Swing radius, from centerline of kingpin to most distant point on semitrailer nose, shall be not more than 147 (58) Distance from centerline of kingpin to front end of semitrailer shall be not less than 46 (18) Turning clearance from the c
21、enterline of kingpin to any portion of semitrailer 15 cm (6 inches) or more below upper fifth wheel plate shall be not less than 213 (84) Upper fifth wheel height, from the ground to underside of plate, shall be 1222.5 (481) 2.5 Design and construction. 2.5.1 Axles. The semitrailer shall be equipped
22、 with tandem axles. Axle ratings shall be at least equal to the load imposed on each axle, measured at the ground, with the semitrailer loaded as specified in 2.3. The wheel bearings and axle spindles shall be oil lubricated. Oil viscosity shall be in accordance with the manufacturers recommendation
23、s. The hub caps shall have a metal, or heavy duty plastic, body and a window for visual determination of oil level. Provision for venting or equivalent method of withstanding internal pressure buildup without leakage, and for replenishing the oil supply, shall be incorporated. 2.5.2 Suspension syste
24、m. Each component of the suspension system shall have a rated capacity at least equal to the load imposed, measured at the ground, when the semitrailer is loaded as Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52613A 4 specified in 2.3. Cleara
25、nces shall prevent interference between tires with any other part of the semitrailer under the operating conditions specified herein. 2.5.3 Wheels, rims, tires and tubes. The semitrailer shall have dual disc type wheels on both axles. Multi-piece rims shall not be furnished. Tire, rim size, disc whe
26、el size, and ply rating shall be the same for all wheels on each vehicle. 2.5.3.1 Tires. Tires shall be of the steel belted radial tubeless type with highway tread. Tires shall be of rated capacity at least equal to the load imposed on each tire, measured at each wheel, at the ground, with the semit
27、railer loaded as specified in 2.3. 2.5.4 Brakes. Service brakes shall be of the full air, internal expanding type. Brake linings shall be of nonasbestos material. The braking system shall include: a. Standard breakaway features b. Relay emergency valve c. Air reservoir d. Automatic slack adjusters e
28、. Piping f. Hose connections g. Gladhands h. Spring loaded dust covers or dummy gladhands equipped with security chains or cables, and i. All other components required for a complete air-brake system. The braking system shall be installed in a manner which provides road clearance for travel over une
29、ven terrain and protection against damage caused by objects striking components. No part of the braking system shall extend below the bottom of wheel rims. Slack adjusters shall be located above the bottom edge of the axle carrier. 2.5.4.1 Parking brakes. The semitrailer shall be equipped with sprin
30、g or air diaphragm mechanical lock type parking brakes. The parking brakes shall hold the semitrailer, with rated payload, on a 10 percent grade despite the depletion of the compressed air supply. The parking brakes shall be automatically applied upon disconnection of the emergency air line and unde
31、r emergency conditions. 2.5.5 Upper fifth wheel plate. The upper fifth wheel plate shall be of sufficient size to completely cover a lower fifth wheel 91 cm (36 in) in diameter. The forward end of the upper fifth wheel plate shall have a turned-up lip for ease of loading and for body protection. 2.5
32、.6 Landing gear. The semitrailer shall have two vertical lifts, telescopic, nonrotating, landing legs, with two-speed gears, and a handcrank at the curbside. The landing legs shall be equipped with self-leveling skid pads. A holder shall be provided for the handcrank when not in use. The landing gea
33、r shall withstand, without deformation, the combined static and dynamic forces due to proportion of gross weight sustained; the forces resulting from impact during coupling and Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52613A 5 uncoupling o
34、perations; and the movement during packing by the compactor. When placed in travel position, the landing gear legs shall remain positively locked. The landing gear shall be protected to prevent the entrance of foreign matter which would impair its functioning or mechanical efficiency. 2.5.6.1 Landin
35、g gear range of adjustment. The landing gear shall have a range of adjustment sufficient to vary the height of the upper fifth wheel from 122 cm (48 in) to not less than 132 cm (52 in) from the ground. The clearance under the fully retracted landing gear shall exceed the semitrailer ground clearance
36、, but shall in no case be less than 36 cm (14 in). 2.5.7 Lighting. The electrical lighting system shall be of 12 volt potential. All lights and reflectors shall be protected from operational hazards by mounting in recessed or otherwise guarded locations. Lights and reflectors shall not be mounted on
37、 vertical surface of the rub rails (unless recessed and fully protected) or on semitrailer bumpers. Moisture proof, corrosion-resistant fixtures shall be provided for stoplights, tail lights, and turn signals. A completely sealed wiring system shall be provided for stoplights, tail lights, and turn
38、signals. The front of the semitrailer shall be equipped with a receptacle with the conductors connected and color coded as specified therein. Lights shall be constructed for easy removal and replacement of lamps and lenses without the use of any tools. 2.5.7.1 Brake lights. At least one pair of brak
39、e lights shall override the four-way emergency flasher or the two systems shall be independent of each other. 2.5.8 Rear wheel splash and stone throw protection. Rear wheels shall have rigid splash shields in front and mud flaps at the rear. 2.5.9 Body. The body configuration shall be the manufactur
40、ers standard box shape with a full width and full height rear ejection door and with a second rear door, compatible with the configuration of the stationary compactor specified herein. The compaction area, extending from the front to rear of the body, shall withstand the maximum pressure exerted by
41、a stationary packer upon the refuse without permanent deformation. 2.5.9.1 Conventional rear doors. Unless Dutch type rear doors are specified (see 2.5.9.2), rear doors shall be designed to mate with the compactor specified herein. The inner door shall remain securely closed except when manually ope
42、ned to discharge the load. The outer door shall cover the opening in the inner door for the acceptance of the compactor, and shall be held to the inner door for transporting and discharging the load by not less than 2 cam-action latches actuated by a handle located at the extreme rear of semitrailer
43、, and readily operable by a person standing on the ground. With the semitrailer coupled to the compactor, the door opening shall be completely closed. Door hinges, latches, and reinforcements shall keep the doors tightly aligned to prevent leakage. 2.5.9.2 Dutch type rear doors. When specified (see
44、6.2), Dutch type rear closure doors shall be provided. The upper door shall cover the opening through which refuse is passed from the compactor specified herein into the semitrailer body. The upper door shall be retained during Provided by IHSNot for ResaleNo reproduction or networking permitted wit
45、hout license from IHS-,-,-A-A-52613A 6 hauling by an independent cam latch system. A channel type or double lip neoprene gasket shall provide liquid tightness along the bottom and up both sides of the lower door. 2.5.9.3 Discharge spillage. When necessary, provisions shall be made to prevent dischar
46、ged refuse from spilling forward around the wheels and from collecting on suspension components. 2.5.9.4 Ejection plate. The ejection plate shall be driven by a double acting, telescopic, hydraulic cylinder assembly; shall have a travel length extending from the forward end of the body to the rear d
47、ischarge door(s); shall closely fit the cross sectional dimensions of the body area to prevent bypassing refuse; and shall be guided to prevent scraping and gouging of the body inside walls. When maximum pressure is applied and released, no permanent misalignment shall be evident. 2.5.9.5 Ejection p
48、late operation. The ejection plate operation shall conform to the following: a. The complete ejection cycle, consisting of ejection plate movement from the initial station at the front of the semitrailer to the final location at the discharge door opening and return, shall be achieved in not more th
49、an 2.5 minutes. b. The ejection plate unit pressure force range shall be from a minimum of 17.2 kilopascals (kPa) (2.5 pounds per square inch (psi) up to not less than 58.6 kPa (8.5 psi) predicted upon variance in force (product of pressure and area) exerted by the smallest and largest inside diameter (proportionate area) cylinders of the telescoping hydraulic cylinder assembly, operating pressure of the hydraulic pump less head losses, and e
