Attachment_0003_MEP-PU-810_A_to_C_-Purchase_Description.pdf

Attachment 0003

PD 6115-0132/1 Page 1 of 7

PD 6115-0132/1

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PURCHASE DESCRIPTION (PD) SHEET

MEP-PU-810C

DEPLOYABLE POWER GENERATING DISTRIBUTION SYSTEM (DPGDS)

PRIME POWER UNIT (PPU)

CHASSIS/TRANSPORTATION REQUIREMENTS

1. SCOPE

1.1 Scope. This PD sheet covers the detailed chassis and transportation requirements of the recapitalized MEP-PU-810A.

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in section 3 of this PD sheet.

This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in section 3 of this PD sheet and PD 6115-0132.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract of PD 6115-0132.

COMMERCIAL ITEM DESCRIPTIONS

A-A-50271 - Plates, Identification

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-209 - Lifting and Tiedown Provisions

MIL-STD-1179 - Lamps, Reflectors and Associated Signaling Equipment for Military Vehicles

(Copies of these documents are available online at http://quicksearch.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)

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2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract of PD 6115-0132.

FEDERAL MOTOR CARRIER SAFETY REGULATIONS (FMCSR)

49CFR393.43 - Breakaway and emergency braking 49CFR393.52 - Brake performance 49CFR393.70 - Coupling devices and towing methods, except for driveaway-towaway operations 49CFR396.17 - Inspection, Repair, and Maintenance 49CFR399 Appendix G - Minimum Periodic Inspection Standards

(Copies of these documents are available from http://www.gpoaccess.gov/cfr/index.html or U.S.

Government Printing Office, P.O. Box 979050, St. Louis, MO 63197-9000.)

DRAWINGS - Not Applicable/Available

(Copies of drawings required by contractors in connection with specific acquisition functions should be obtained from: PROJECT MANAGER EXPEDITIONARY ENERGY & SUSTAINMENT SYSTEMS, 5850 Delafield Road, Bldg. 324 FT BELVOIR VA 22060-5809).

2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract of PD 6115-0132.

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION

ISO 668 - Series 1 freight containers – Classification, dimensions and

Ratings ISO 1161 - Series 1 freight containers – Corner fittings - Specifications ISO 8323 - Freight Container – Air/Surface (Intermodal) General

Purpose Containers – Specifications and Tests

(Copies of these documents are available from http://www.iso.org/iso/ or, for general or sales inquiries about ISO standards and products please contact customerservice@iso.org.)

SAE INTERNATIONAL

SAE J694 - Disc Wheel/Hub or Drum Interface Dimensions SAE J847 - Trailer Tow Bar Eye and Pintle Hook/Coupler Performance

SAE J1992 - Wheels/Rims – Military Vehicles – Test Procedures SAE J2014 - Pneumatic Tire Qualifications for Military Vehicles and Performance Requirements

PD 6115-0132/1 Page 3 of 7

SAE AS8090 - Mobility, Towed Aerospace Ground Equipment, General Requirements For

(Copies of these documents are available from http://www.sae.org/ or SAE Customer Service, 400 Commonwealth Drive, Warrendale, PA 15096-0001.)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3. REQUIREMENTS

3.1 Requirements. The MEP-PU-810C Prime Power Unit (PPU) shall meet the requirements of PD 6115-0132 and as specified herein.

3.2 Description. The MEP-PU-810C Prime Power Unit (PPU) chassis shall be a four-wheel, two-axle trailer with dolly-type drawbar front steering and lunette coupler, capable of being towed by a pintle hitch-equipped prime mover over unimproved roads at speeds up to 5 miles per hour and improved roads at speeds up to 20 miles per hour. The recapitalized PPU shall conform to the requirements of SAE AS8090 for Type III, Group C equipment.

3.3 Size and weight.

3.3.1 MEP-PU-810A. The size and weight of the current MEP-PU-810A is summarized in Table I.

TABLE I. Weight and dimension.

Parameter Dimension / Requirement

Width 96 inches Height 102 inches Length 301 inches Net Weight (Dry) 26,000 pounds Volume 1,706 cubic feet

3.3.2 MEP-PU-810C. The recapitalized PPU shall meet the size and weight requirements detailed in table II.

TABLE II. Weight and dimensions.

Parameter Dimension / Requirement

Width The MEP-PU-810C shall not exceed 102 inches in overall width Height The MEP-PU-810C shall meet requirements for transport on C5, C17 military aircraft.

Length The MEP-PU-810C shall meet requirements for transport on C5, C17 military aircraft

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Weight The MEP-PU-810C shall not exceed the weight of the existing MEP- PU-810A by more than 10%

3.4 Materials. Materials used the PPU chassis shall be in accordance with industry-standard manufacturer’s materials specifications for semitrailers, designed to standards equivalent to meeting DOT requirements for highway transport, with an intended operational service life of fifteen (15) years. The materials shall be capable of meeting all of the operational and environmental requirements specified herein. Recovered, recycled, or reused materials, which meet the requirements of the applicable material specifications without jeopardizing the intended use of the item, shall be used to the maximum extent practicable.

3.5 Construction. PPU chassis shall be constructed in accordance within the weight and dimension criteria specified in table II, specifications and standards, and as supplemented herein.

Any changes in weight, dimensions, or configuration (axles, etc.) from the existing MEP-PU- 810A may require engineering structural analysis to determine loading, integrity, and suitability of components and structural members. If more than one unit of a particular component is used in or on the PPU, the components used shall be identical in make, material, and quantity. The riveting, welding practices, and quality shall be the same on each PPU.

3.5.1 Lunette Drawbar Coupler. The drawbar coupler lunette shall have a 3inch inside diameter, and meet the requirements of SAE J847 Application Type I.

3.5.2 Axle. The axle(s) shall be constructed of tubular steel and rated for the weight of the PPU at all operational speeds.

3.5.2.1 Hubs. The hubs shall provide studs for mounting disc-type wheels, be oil-bath lubricated, and comply with interface requirements in accordance with SAE J694.

3.5.2.2 Seals. When operating in mud, sand, or snow, seals shall prevent entrance of foreign matter into the bearings, which are exposed to contamination during these operations.

All bearing seals shall restrict the leaking of lubricants from bearings.

3.5.2.3 Brakes. Service brakes: Inertia-actuated mechanical- or hydraulic-type service brakes shall be provided on all wheels. The service brakes shall safely control the loaded vehicle under any operating condition. This applies to operation in forward and reverse directions when being loaded or unloaded from aircraft.

3.5.3 Wheels. The wheels shall be disc type, for mounting tubeless tires, and comply with the requirements of SAE J1992 and SAE J694.

3.5.4 Tires. The tires shall be new (not recapped or re-grooved), highway pattern, tubeless radial construction, and rated for the weight of the PPU (in transport configuration) at all operational speeds. The tires shall comply with the requirements of SAE J2014, and shall not have been manufactured more than one year prior to the date of recapitalization.

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3.5.5 Reflectors. The PPU chassis shall have reflectors which meet the applicable requirements of MIL-STD-1179.

3.5.6 Interconnection to towing vehicle.

3.5.6.1 Brakes. The PPU chassis shall have a cable or chain which connects to the towing vehicle and provides positive actuation of the PPU service brakes in the event of accidental disconnect or breakaway from the towing vehicle.

3.5.7 Tiedowns. Tiedown provisions shall be provided in accordance with MIL-STD-209.

3.5.8 Lifting. Lifting provisions shall be provided in accordance with MIL-STD-209.

Intermodal top lift provisions shall be provided in accordance with ISO 668, ISO 1161, and ISO 8323 for Series 1, Container Designation 1C (20 ft.) requirements.

3.6 Performance. PPU chassis shall meet performance requirements of this PD sheet when fully equipped, loaded with applicable basic issue items (BII) for transport and serviced with lubricants specified for operation in applicable environmental conditions, and coupled with an applicable towing vehicle. PPU chassis serviced and equipped for existing climatic conditions shall operate as specified without special equipment.

3.6.1 Brake System.

3.6.1.1 Service brakes. The service brakes of the PPU chassis (in transport configuration) and proper towing vehicle combination shall control, decelerate and stop the vehicle combination within 40 feet (ft.) [12.2 meters (m)] from a speed of 20 mph (32 km/h) on a dry, hard, level, smooth surface. Application of brakes on all wheels of the PPU chassis shall be concurrent. The PPU chassis brake system shall meet the applicable requirements of 49CFR393.52.

3.6.1.2 Automatic/emergency actuation. The PPU chassis shall be equipped with an automatic/emergency actuating device to apply the PPU chassis brakes upon breakaway from the towing vehicle. The automatic/emergency actuation device shall meet the applicable requirements of 49CFR393.43.

3.6.1.3 Parking. When the PPU is in operational or transportation configuration, the parking brake device shall maintain application of the brakes and hold the PPU stationary on a 15 degree (26.8 percent (%)) grade indefinitely.

3.6.2 Tracking ability. The PPU chassis, in PPU transportation configuration, shall conform to requirements of 49CFR393.70.

3.6.3 Steering/Turning ability. The PPU chassis shall be capable of assuming a horizontal angle of at least 30 degrees to the coupled towing vehicle without cramping, side-slipping, or damaging to the PPU or towing vehicle. During backing operations, inadvertent attempts to exceed maximum turning angle (jack-knifing) shall not damage any part of the PPU.

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3.6.4 Gradeability.

3.6.4.1 Longitudinal grades. The PPU chassis (in PPU transport configuration), at rated operational speed specified herein, and ascending or descending longitudinal grades of 40%, shall follow the towing vehicle without sliding or shifting to an extent that could cause loss of control of the vehicle combination.

3.6.4.2 Side slopes. The PPU chassis shall follow the towing vehicle without slipping or upsetting when operating, either left or right, on side slopes having a 20% grade.

3.6.5 Axle articulation. The PPU chassis (in PPU transport configuration) shall be capable of operation over uneven surfaces and/or obstacles up to six (6) inches high, as necessary for a non-damaging ride at all operational speeds.

3.6.6 Durability. The PPU chassis, in transportation configuration, shall successfully meet all requirements specified herein and in PD 6115-0132. This shall include suspension, including springs, axles and wheels, major brake components (less brake shoes and common hardware); landing gear; and frame and van/body compartments.

3.7 Servicing and adjustment. PPU chassis shall be adjusted for immediate operation and shall be serviced for climatic conditions at the delivery point. Servicing shall be compatible with processing for shipment as specified by the procuring activity.

3.7.1 Service, Maintenance, and Lubrication. The PPU chassis shall be serviced, maintained, and lubricated commensurate with a 25000 mile or annual service; including, but not limited to: brakes, brake actuator and hydraulic system, suspension, hitch, and corrosion prevention.

3.7.2 Wheel Bearings and Seals. The PPU chassis wheel/hub bearings shall be removed, cleaned, inspected, replaced if necessary, and repacked. New wheel/hub seals and lubricant shall be installed.

3.7.3 Hydraulic Brake System. The PPU chassis hydraulic brake system shall be drained, actuator and wheel cylinder pistons inspected and replaced if necessary, the system flushed, and refilled with new fluid. New actuator and wheel cylinder cups, boots, and seals shall be installed.

3.7.4 Inspection. The PPU chassis shall be inspected in accordance with 49CFR396.17 and 49CFR399 Appendix G. An inspection report (49CFR396 Form 6, or equivalent) shall be included with each PPU chassis delivery package.

3.8 Name, shipping and service data plates. Unless otherwise specified, data plates shall conform to applicable drawings and meet performance requirements of A-A-50271.

4. NOTES

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(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)

4.1 Towing vehicle. The typical towing vehicle (prime mover) for the recapitalized MEP-PU-810A will be pintle-hitch equipped military vehicle which is rated to safely tow the gross weight of the PPU.

4.2 Definitions.

a. Transport configuration – The PPU fully equipped with two generators; all BII (ground rods, power/control cables, fuel hoses, mufflers, etc.) stored and secured; all covers and guards in place and secured; all access doors and panels closed and secured; ready to be connected to towing vehicle and towed.

b. Operational configuration – The PPU ready for power generation operation; mufflers installed (if applicable); power/control cables and fuel hoses connected as required; disconnected from towing vehicle.