1、A-A-50681 V9 779777LI 002397b 2 M c-3Y- 3 3 pEmm-1 30 Mav 1989 COMMERCIAL ZTEM DESCRIPTION TRAILER, MAINTENANCE POWER The General Services Administration has authorized the use of this Commercial Item Description. Scope. to supply electric power, ventilation, compressed air, and water removal for te
2、lecommunication and utility installation and maintenance crews in cable vaults and manhours at locations distant from commercial sources of power. Applicable documents. This commercial item description (CID) covers a mobile power unit used Specifications and standards. The following specifications a
3、nd standards form part of this CID to the extent specified herein. the issues of this document are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Unless otherwise specified, SPECIFICATIONS MILIT
4、ARY VV G 1690 Gasoline, automotive, leaded or unleaded MIL G 3056 Gasoline, automotive, combat MS 5 13 3 6 Lunette and coupler drawbar, ring (Copies of specifications, standards and other Government documents required by contractors in connection with specific acquisition functions should be obtaine
5、d from the contracting activity or as directed by the contracting activity). Order of precedence. and the references cited herein (except for the associated detail specifica- tions, specification sheets or MS standards) the text of this CID takes prece- dence. Nothing in this CID, however, supersede
6、s applicable laws and regulations unless a specific exemption has been obtained. In the event of conflict between the text of this CID Beneficial comments, recommendations, additons, deletions, clarification, etc. and any data which may improve this document should be sent to: Division SA-ALC/MMEDO,
7、 Kelly AFB TX 78241-5000 Engineering AMSC NIA FSC 4940 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50681 q9 7799974 0023777 4 e A-
8、A-50 6 8 1 Salient characteristics. 1. General. The mobile power utility trailer shall be suitable for its intended use. strength. Individual components shall be durable, reliable and suited for their intended purposes. standard commercial products. all components. shall have the following approxima
9、te minimum/maximum dimensions: Structural elements shall be rigid and possess the requisite The engine generator set, compressors and pump shall be Service and parts shall be readily available for The unit shall be towable at 60 MPH along paved highways. It Length 124 in 1 136 in Width 68 in / 68 in
10、 Height 50 in / 58 in 2. Trailer. The trailer shall be a low profile unit, properly balanced to be handled by one person. The frame shall be all steel construction with minimum 10 gauge formed channel steel capable of supporting all equipment and accessories. The trailer shall have a spring steel su
11、spension. It shall travel on two F78x15, minimum size, tires, and have a 36 inch adjustable front landing gear with pneumatic tire. hydraulic, fully self-contained, surge type service brakes. A towbar with lunette conforming to MS51336 (3 inch dia. eye and 1 5/8 dia. ring) and safety chains shall be
12、 provided. The trailer shall have fenders, recessed tail lights, stop and turn signals. A seven conductor electrical connector shall comply with SAE 5560. shall be provided. It shall have mechanical type parking brakes and An intervehicle jumper cable with plugs conforming to SAE 5560 3. Equipment a
13、nd storage area. provided. Winged doors on each side of th storage cabinet shall be securable in Equipment and accessory storage areas shall be the open position; The storage cabinet shall have a minimum of 20 cubic feet designated storage space with access from either side. The equipment area shall
14、 be sufficient to provide for ease of access for full servicing of all equipment and the rear of the control panel. There shall also be storage areas for hoses, platform supports, and extension boards. The floor shall have a sufficient number of drain holes. The storage compartment shall have a DC l
15、ight. All doors shall be lockable with a common key. 4. Control panel. the control panel shall be easily accessible and located at the rear of the unit. It shall be incorporated in the shell of the equipment storage cabinet. It shall have a DC light. It shall have a door to covers all switches, outl
16、ets, gauges and meters. It shall be lockable with the common key. It shall include three 120 VAC, GFI protected duplex receptacles; one 240 VAC, GFI protected receptacle; one DC ammeter, two AC ammeteres, one AC voltmeter, and electric hour meter, and circuit breaker on/off switched for each circuit
17、. The rear of the control panel shall provide for easy removal and re-connenction of individual components. 5. Engine generator set. A minimum 7.5 KW, continuous duty, 120/240 VAC, 60 cycle, simgle phase, AC/DC generator directly connected to a four cycle gaso- line engine rated 14 HP at 1800 RPM, w
18、ater cooled, oil lubricated, electrically started, and designed in accordance with NEMA, AIEE and ASA standards shall be 2 ry O a a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-SOhL 47 W 9777774 0023778 b A-A- 5 O 6 8 1 provided. shall have a
19、low oil pressure and high water temperature safety shut-Offs. It shall have a replaceable oil filter and a 12 VDC starting battery, 36 month maintenance free. The set shall be of sufficient quality to average a minimum of 2500 hours of operation between major overhauls. The exhaust system shall have
20、 a silencer assembly. An electric engine block heater shall be provided. Two 12 gallon, minimum, fuel tanks with fuel gages shall be secured at the front of the trailer. Fuel will be MIL-G-3056 or VV-G-1690 automotive gasoline. The engine 6. Compressors. Dual 3/4 HP air compressors, oilless type, si
21、ngle stage, drip proof, ball bearing design, shall provide 5 CFM at 100 PSI. They shall be acti- vated by a combination switch-circuit breaker on the control panel. pressure switch shall automatically start the primary compressor when pressure in the receiver drops to 80 PSI and stop it when pressur
22、e reaches 100 PSI. The secondary compressor shall automatically start when the pressur drops to 75 PSI and stop when pressure reached 95 PSI. A high pressure line shall have a gauge and regulator assembly adjustable to furnish air from O to 100 PSI. pressure, dry air line shall contain and air filte
23、r and heatless desiccant type dryer. to furnish air form O to 40 PSI for communications cable pressurization and flash testing. and 1/4 inch by 25 foot air hose assembly with quick connector shall be pro- vided. An air A low It shall have a gauge and regulator assembly which shall be adjustable A 12
24、 gallon, minimum, ASME stamped air tank with automatic drain 7. Pump. A two inch submersible p?amp. 120 VAC, shall provide 110 GPM pumping rate. control panel. provided. It shall be activated by a combination switch-circuit breaker on the A 2 inch by 25 foot discharge hose with quick connector shall
25、 be 8. high speed for purging and 640 CFM free air at low speed for ventilating. blower speed switch shall be on the control panel. located on the right side of the trailer and away form engine exhaust. The blower outlet shall be located at the rear of the trailer. The blower outlet shall allow and
26、eight inch flexible blower hose to be attached. An 8 inch by 20 foot blower hose, with storage provision on the trailer, shall be provided. heat exchanger, incorporated into the blower assembly, shall transfer heat fromt he einge colling water to the blower air. It shall be capable of raising the te
27、mperture of the air leaving the blower 100 degrees F over the ambient tem- perature. An electric water pre-heater shall facilitate a supply of warm air prior to the engine reaching sufficient temperature to warm its cooling system. The pre-heater shall work in conjunction with the engine to provide
28、increased capability in cold weather. control panel. Ventilation equipment. A two speed blower shall deliver 1000 CFM free air a The The blower intake shall be A The heater control switches shall be mounted on the 9. Accessories. Accessories to be included are: a. Light standard adjustable to nine f
29、eet. An amber strobe light and two 300 watt (minimum) floodlight assemblies. A bracket shall be mounted inside the cabinet for storing the strobe and floodlight assemblies. 3 .- I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50681 47 7777774 0
30、023777 8 I A-A-5068.1 b. A 12 inch deep manhole rim with air inflatable bladder for sealing and seating with mounting bracket or holder. c. A manhole guard rail with holder. 10, Spare Parts. Spare parts to be provided are: a. Oil, fuel and air filters, spark plugs, condenser, rotor, and distribu- to
31、r cap. Two replacement lamps for the flood lights. b. c. One replacement lamps for the strobe light. d. One each bulb for the control panel and storage compartment lights. 11. Assembly. mally supplied, fully assembled and ready for use. The unit schall be furnished complete, with all equipment nor-
32、Certification. dence that the product offered meets the salient characteristics of this description and that the product conforms to the producers own drawings, spec,- fications, standards and quality assurance practices and is the same product offered for sale in the commercial marketplace. offer p
33、roducts with established commercial market acceptability, may compete by submission of bid samples. (The Government reserves the rights to require prof of such conformance before first delivery and thereafter as may be otherwise provided for under the provisions of the contract.) The contractor shal
34、l certify and maintain substantiating evi- Small businesses that cannot Regulatory Requirements. applicable Federal Motor Carrier Safety Regulations and OSHA Regulations. The mobile power utility trailer shall comply with all Packaging, packing and marking. normal commercial practice and packed to a
35、ssure acceptance by common carrier and provide product protection against loss and damage during multiple shipments, handling, and storage. The shipping container shall be in compliance with National Motor Freight Classification and Uniform Freight Classification. Shipping containers shall be marked
36、 as specified in the contract or order. The items shall be packaged in accordance with Known acceptable products* requirements of this CID. The following product is known to meet the Manufacturer Model Hesco Div 1500-3A-AF Missouri Research Labs (CAGE 00602) 4 NSN - 4940-01-264-2233 Provided by IHSN
37、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i a A-A-50681 47 7777774 0023780 1111 A-A-50681 Custodians: Air Force - 99 Army - AL 5 Preparing activity: Air Force - 82 (Project 4940-0533) f7U.S. GOVERNMENT PRINTINGOFFICE: 1989 - 604-033/12705 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
