Attachment 2 - PD- Compressed Gas Trailer 47QMCA26Q0051.pdf

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AirForce - Compressed Gas Trailers (QTY: 2)
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47QMCA26Q0051
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This is a Purchase Description (PD) for a Compressed Gas Trailer (2500 psi) identified as NSN 2330-00-995-5613, issued by the Air Force Materiel Command (AFLCMC) at Robins Air Force Base on June 6, 2024.

The trailer is a universal design vehicle intended to transport and distribute multiple compressed gases including oxygen, nitrogen, hydrogen, compressed natural gas (CNG), methane, air, and helium for hypersonic, combustion, and research testing applications. Key specifications include a minimum water volume capacity of 492 cubic feet, service pressure of at least 2500 psi per cylinder, 12 cylinders total, and maximum overall length of 32 feet to facilitate maneuverability. The trailer must comply with DOT-3AAX cylinder specifications with a minimum 10-year retest cycle and include DOT-compliant lighting per 49 CFR 393.11. Dimension constraints are 384 inches length, 96 inches width, and 132 inches height maximum. The trailer shall be equipped with a fifth wheel hitch meeting SAE AS8090 Type III Group D standards, suspension, parking and service brakes, rear bumper, fenders, mudflaps, and tubeless steel belted radial tires on steel disc wheels.

The design must be weatherproof with water exclusion provisions, support operation in extreme environmental conditions ranging from -40°F to 125°F, withstand precipitation up to 10 inches per hour, salt fog exposure, sand/dust, solar radiation, and fungus growth. Finish requirements include semi-gloss green exterior (SAE AMS-STD-595 Color 24052) and gloss white cylinders (Color 17875). The contractor must provide comprehensive manufacturer documentation including operator's manual, service and repair manuals, illustrated parts breakdown, and service bulletins in Indexed PDF format, with one digital copy submitted 30 days prior to first hardware delivery. A two-year warranty for parts and defects from delivery date is required. The Government reserves the right to verify product conformance through contractor-generated, Government-approved checklists examining materials, workmanship, dimensions, surface finishes, coatings, welding, and fastening.

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Text version

PD21WRWNSEV01

Comments, suggestions, or questions on this document should be addressed to:

AFLCMC/WNZEB, 235 BYRON ST STE 19A, Robins AFB GA 31098-1813.

AMSC N/A

DISTRIBUTION STATEMENT A. Approved for public release.

INCH-POUND

06/06/2024

PURCHASE DESCRIPTION

L389 – Compressed Gas Trailer (2500 psi)

NSN: 2330-00-995-5613

1. SCOPE.

This purchase description (PD) covers the general requirements for a Compressed Gas Trailer that will be used to supply high volumes of various compressed gases in hypersonic, combustion, and research testing. The trailer will be capable of handling oxygen, nitrogen, hydrogen, compressed natural gas (CNG), methane, air, and helium.

2. SALIENT CHARACTERISTICS.

2.1 Compressed Gas Trailer description. The Compressed Gas Trailer shall be one of universal design that will allow for transportation and distribution of oxygen, nitrogen, hydrogen, compressed natural gas (CNG), methane, air and helium. The trailer shall be able to hold a water volume of at least 492 ft.3 with a service pressure of not less than 2500 psi per cylinder. The maximum overall length of the trailer shall be no more than 32 ft. to facilitate maneuverability.

2.2 Design and construction. The design shall promote cost effective, life-cycle sustainability by addressing considerations such as incorporating open standards and reducing pollutant emissions and wastes, while satisfying system performance requirements. It shall be designed and constructed so that no parts will work loose in service, and to withstand the strains, jars, vibrations, and other conditions incident to shipping, storage, installation, and service. It shall be weatherproof and designed to prevent the intrusion of water, sand, and dust into critical operating components.

2.2.1 Materials, protective coatings, and finish.

2.2.1.2 Protective coatings. Materials that deteriorate when exposed to sunlight, weather, or operational conditions normally encountered during the service life of the item shall not be used or shall have means of protection against such deterioration that does not prevent compliance with the performance requirements specified herein. Protective coatings that chip, crack, or scale with age or extremes of climatic conditions or when exposed to heat shall not be used. Exposed surfaces of fasteners, handles, and fittings shall also be primed and painted. See 2.2.4.1 for prohibited hazardous materials.

2.2.1.3 Finish. The exterior finish color of the Compressed Gas Trailer and the inner surfaces of any compartments shall be semi-gloss green, Color Number 24052 of SAE AMS-STD-595. All cylinders shall be gloss white, Color Number 17875 of SAE AMS-STD-595.

2.2.1.4 Exclusion of water. The design of the Compressed Gas Trailer shall be such as to prevent water leaking into, or being driven into, any part of the Compressed Gas Trailer interior when either in an operating or travelling configuration. All doors, panels, covers, etc., shall be provided with sealing arrangements such that the entry of water is minimized when these items are correctly closed. Particular care shall be taken to prevent wetting of equipment and heat and sound proofing materials. Sharp corners and recesses shall be avoided so that moisture and solid matter cannot accumulate to initiate localized attack. Sealed floors with suitable drainage shall be provided for storage compartments and other areas in the Compressed Gas Trailer that could collect and retain water. Drainage of this trailer is not related to the cylinders or tubing involved in the compressed gas system.

2.2.1.4.1 Fluid traps and faying surfaces. There shall be no fluid traps on the Compressed Gas Trailer. Faying surfaces of all structural joints, except welded joints, shall be sealed to preclude fluid intrusion.

2.2.1.4.2 Ventilation. Ventilation shall be sufficient to prevent moisture retention and buildup.

2.2.1.4.3 Drainage. All designs shall include considerations for the prevention of water or fluid entrapment except for that of the cylinders or tubing involved in the compressed gas system.

2.2.2 Markings. All external devices which require an operational or maintenance interface shall be marked in accordance with MIL-STD-130. Markings shall be applied with decals and shall be 1-inch high block letters unless prohibited by the available space. In such cases, the markings shall be the largest size possible. Markings, Information/Caution shall be Lusterless Black, Color Number 37038 of SAE AMS-STD-595, and Markings, Warning/Danger shall be Lusterless Red, Color Number 31136 of SAE AMS-STD-595. The center of gravity of the Compressed Gas Trailer shall be marked on the unit within 1-inch of the calculated center of gravity. Tire inflation pressure shall be marked as near to each tire as practicable.

2.2.3 Identification and information plates.

2.2.3.1 Identification plate. An identification plate in accordance with MIL-STD-130 shall be securely attached to the Compressed Gas Trailer in a readily accessible location. The Compressed Gas Trailer and any of its components for which the Government’s unit cost is more than $5,000, is serially managed, or the procuring agency determines is mission essential, shall have Unique Identification (UID) (also known as Item Unique Identification (IUID)) information permanently affixed on or near the respective identification plate(s), marked in accordance with MIL-STD-130.

UID information shall be included as both a 2D Data Matrix and human readable markings. The identification plate shall contain the following information.

a. Nomenclature

b. Registration number

c. Vehicle identification number

d. Asset National Stock Number (NSN)

e. Manufacturer’s model number

f. Manufacturer’s name

g. Manufacturer’s address and phone number

h. Date of manufacture

i. Contract Number

j. Commercial and Government Entity (CAGE) code

k. Date of warranty expiration (if applicable)

2.2.3.2 Transportation data plate. A transportation data plate shall be securely attached to the Compressed Gas Trailer in a readily accessible location. The plate shall contain at least the following information:

a. Side and rear silhouette views of the Compressed Gas Trailer.

b. Horizontal and vertical location of the center of gravity of the Compressed Gas Trailer in air transportable configuration, marked on the silhouette views.

c. Shipping weight.

d. Loading cubage.

e. Overall height, width, and length.

f. Front and rear axle loads.

g. Tie down information.

2.2.3.3 Lubrication data plate. If applicable, the Compressed Gas Trailer shall be provided with a permanently-marked lubrication data plate constructed of a non-corroding metal, mounted on the exterior surface of the Compressed Gas Trailer that shall direct attention to all lubrication fittings and components that require lubrication. The plate shall identify the type and grade of lubricant required for operational temperatures specified in 2.3.1.

2.2.4 Environment, Safety, and Occupational Health (ESOH).

2.2.4.1 Hazardous material. The design shall minimize and control hazards associated with the inclusion or use of hazardous or toxic materials and the generation of toxic or noxious gases. The Compressed Gas Trailer shall not generate or use Class I or Class II Ozone Depleting Substances (ODS) during operation, maintenance, or disposal. Class I ODS and hazardous materials shall not be used in any system, component, or process. The Compressed Gas Trailer shall not contain or use either hexavalent chromium or cadmium without written approval by the procuring activity.

Hazardous materials are defined in AFI 32-7086; Class I and Class II ODS are defined in

40CFR82.

2.2.4.2 Component protection. All space in which work is performed during operation, service, and maintenance shall be free of hazardous protrusions, sharp edges, or other features which may cause injury to personnel. All rotating and reciprocating parts and all parts subject to high operational temperatures or subject to being electrically energized, that are of such nature or so located as to be hazardous to personnel, shall be guarded or insulated to eliminate the hazard. All wires, cables, tubes, and hoses shall be supported and protected to minimize chafing and abrasion and shall be located so as to provide adequate clearance from moving parts and high operational temperatures. Grommets shall be provided wherever wires, cables, tubes, or hoses pass through bulkheads, partitions, or structural members.

2.2.4.3 Foreign object damage (FOD). All loose metal parts, such as pins or connector covers, shall be securely attached to the Compressed Gas Trailer with wire ropes or chains. "Dog tag" style beaded chains shall not be provided. Removable panels, if provided, shall be attached with captive fasteners. Tire valve stem caps shall be made of plastic.

2.2.4.4 Fire extinguisher. A dry chemical fire extinguisher, Type 1, Class 1, Size 5 in accordance with A-A-393, shall be mounted in an easily accessible location on the driver’s side of the vehicle.

2.2.4.5 Noise. The design shall ensure that noise created by the Compressed Gas Trailer is compatible with the environment and minimize exposure of personnel to noise hazards during operations and maintenance activities. The maximum A-weighted Sound level produced by the vehicle during operations shall not exceed 85 dBA.

2.2.4.6 Electrostatic discharge (ESD). The design of the Compressed Gas Trailer shall preclude equipment damage due to ESD, protect personnel from electrical shock due to static charging, and prevent ignition of explosive atmospheres due to sparking.

2.2.5 Electromagnetic interference (EMI). The Compressed Gas Trailer shall be in accordance with the following radiated emission and susceptibility requirements of MIL-STD-461: RE102 and RS103.

2.2.6 Human systems integration. The Compressed Gas Trailer shall be designed in accordance with MIL-STD-1472 for ease of operation, inspection, and maintenance, including the use of arctic mittens and Mission-Oriented Protective Posture (MOPP) Level 4 Chemical Warfare Gear.

Chemical Warfare Gear is not required for preventive maintenance or major corrective maintenance.

2.2.7 Fastening devices. All screws, bolts, nuts, pins, and other fastening devices shall be properly designed, manufactured, and installed with adequate means of preventing loss of torque or adjustment. Cotter pins, lock washers, or nylon patches shall not be used for this purpose, except for the attachment of trim items or as provided in commercial (see 6.3.4) components. Tapped threads shall have a minimum thread engagement in accordance with Table I.

TABLE I. Minimum thread engagement.

Material

Minimum Thread Engagement

Steel 1.0 times the nominal fastener diameter Cast iron, brass, or bronze 1.5 times the nominal fastener diameter Aluminum, zinc, or plastic 2.0 times the nominal fastener diameter

2.2.8 Welders and welding. All welders shall be certified to weld in accordance with AWS D1.1 and AWS D1.2, as applicable. Welding procedures and all welding on the Compressed Gas Trailer shall be in accordance with AWS D1.1 and AWS D1.2, as applicable. The surface parts to be welded shall be free from rust, scale, paint, grease, and other foreign matter. Welds shall be of sufficient size and shape to develop the full strength of the welded parts. Welds shall transmit stress without cracking or permanent distortion when the parts connected by the welds are subjected to test, proof, and service loadings.

2.2.9 Gas cylinders.

2.2.9.1 Cylinder construction. Gas cylinders used in the construction of the Compressed Gas Trailer must be new construction. All cylinders must adhere to DOT-3AAX specifications and have a retest cycle of not less than 10 years. Meeting this specification requires that the cylinders have the DOT-UN H mark.

2.2.9.2 Capacity. The Compressed Gas Trailer shall be designed so that it has a minimum water volume capacity of 492 ft3.

2.2.9.3 Number of cylinders. The Compressed Gas Trailer shall have 12 cylinders and be organized in a configuration such that testing is minimized and ease of maintenance is maximized.

2.2.9.4 Service pressure. The Compressed Gas Trailer shall be designed with cylinders that have a minimum service pressure of 2500 psi per cylinder.

2.2.10 Lighting.

2.2.10.1 Trailer lighting. The Compressed Gas Trailer shall have DOT compliant lights in accordance with 49 CFR 393.11 that will allow for legal transportation down a public highway.

2.2.10.2 Service lighting. The Compressed Gas Trailer shall be equipped with service lights of an appropriate number and in proper locations to facilitate night time operation.

2.2.11 Gauges. The Compressed Gas Trailer shall have a pressure gauge between the manifold and service line.

2.2.12 Manifold.

2.2.12.1 Manifold location. The manifold shall be located at the rear of the trailer.

2.2.12.2 Distribution ports. The Compressed Gas Trailer shall have at least two distribution ports located at the rear of the trailer.

2.2.13 Rear step deck. The Compressed Gas Trailer shall have a step deck at the rear of the trailer to facilitate easy access to the manifold gauges and valves during operation. The step deck shall protect operators from falling by means of a guardrail system or handrails. Non-slip materials shall be used on walking surfaces of the step deck.

2.2.14 Fifth wheel hitch. The Compressed Gas Trailer shall use of a fifth wheel hitch for towing.

When the trailer is loaded, the height of the fifth wheel must be 50 +1/-0 inches above the ground per Table III of SAE AS8090 for Type III Group D trailers.

2.3 Environmental conditions.

2.3.1 Operating temperature range. The Compressed Gas Trailer shall be capable of operating in ambient temperatures ranging from -40° F to 125° F.

2.3.2 Storage temperature range. The Compressed Gas Trailer shall be capable of being stored in ambient temperatures ranging from -40° F to 125° F.

2.3.3 Precipitation.

2.3.3.1 Rain. The Compressed Gas Trailer shall be capable of storage and operation during rainfall of 5-inches per hour for three consecutive hours and 10-inches per hour for 10 consecutive minutes, with winds of up to 35 knots; and with 6-inches of rain per hour impinging on the Compressed Gas Trailer at angles from vertical to 45° for 30 consecutive minutes.

2.3.3.2 Snow. The Compressed Gas Trailer shall be capable of storage and operation during accretion of wet snow up to 2-inches per hour for at least 12 hours.

2.3.3.3 Ice. The Compressed Gas Trailer shall be capable of storage and operation with ice accretion up to 1.5-inches on exposed horizontal surfaces. An operator may use an ice scraper for five minutes during the start-up process.

2.3.4 Solar radiation. The Compressed Gas Trailer shall not be adversely affected by full time exposure to solar radiation, such as those conditions encountered in desert environments.

2.3.5 Fungus. All materials used in the Compressed Gas Trailer shall be fungus resistant or shall be suitably treated to resist fungus. Materials treated for fungus resistance shall retain their original electronic and physical properties, shall not present toxic hazards, and treatment shall last for the entire service life of the part. The Compressed Gas Trailer shall be suitable for operation and storage in conditions encountered in a tropical environment.

2.3.6 Salt fog. The Compressed Gas Trailer shall be capable of storage and operation in high temperature, high humidity, salt laden, sea coast environments without damage or deterioration of performance.

2.3.7 Sand and dust. The Compressed Gas Trailer shall be capable of storage and operation during exposure to wind-blown sand or dust without damage or deterioration of performance.

2.4 Weight and dimensions. Overall dimensions shall not exceed:

Length 384 inches. (32’) Width 96 inches. (8’)

Height 132 inches. (11’)

2.5 Transportability.

2.5.1 Surface transportability. The Compressed Gas Trailer shall be transportable via all modes of surface shipment (highway, rail, and water) in accordance with MIL-STD-1366, and shall be capable of withstanding the mechanical shock and vibration characteristics of highway, rail, and water transport, except that design for rail impact testing (see 5.2.5 of MIL-STD-1366) is not required.

2.5.3 Tie downs. The Compressed Gas Trailer shall be symmetrically restrained during ground transport. Tie down points shall be rated at a minimum of 25,000 pounds, marked for capacity, with a clear opening compatible with MIL-DTL-25959 and MIL-PRF-27260 tie down devices.

Each end of each tie down device shall terminate at a tie down point and not pass through any other tie down point. There shall be no interference between tie down devices and the Compressed Gas Trailer. The tie down provisions shall be in accordance with 4.1 through 4.12 of MIL-STD- 209.

2.6 Maintainability. The Compressed Gas Trailer shall be designed for maintainability in accordance with 5.9 through 5.9.18 of MIL-STD-1472; forces shall not exceed those specified for both males and females.

2.6.1 Inspection and servicing provisions.

a. Pre-use inspections and servicing tasks shall not require tools.

b. Routine service and preventive maintenance shall not require special tools (see 6.3.10).

c. Drain plugs and filters shall be directly accessible from the ground and oriented to have unimpeded drainage to a catch pan.

d. The Compressed Gas Trailer shall be designed with maximum usage of sealed lifetime lubrication bearings.

2.6.2 Special tools. The design of the item shall minimize the requirement for special tools (see 6.3.10). All special tools shall be provided with, and stored on, the Compressed Gas Trailer.

2.6.3 Diagnostic software. A copy of any diagnostic software required or recommended for maintaining the Compressed Gas Trailer shall be provided with each Compressed Gas Trailer on CD-ROM or DVD-ROM.

2.7 Performance. The Compressed Gas Trailer shall be capable of distributing oxygen, nitrogen, hydrogen, compressed natural gas (CNG) and air.

2.8 Mobility. The Compressed Gas Trailer shall be in accordance with SAE AS8090 for Type III, Group D mobility except as otherwise specified herein.

2.8.1 Terrain.

2.8.1.1 Paved surfaces. The Compressed Gas Trailer shall be towable at speeds up to 60-miles per hour (mph) over paved surfaces.

2.8.1.2 Graded gravel. The Compressed Gas Trailer shall be towable at speeds up to 25-mph over graded gravel.

2.8.1.3 Belgian block. The Compressed Gas Trailer shall be towable at speeds up to 20-mph over Belgian block.

2.8.2 Towing force. The towing force shall be in accordance with 3.3.4 of SAE AS8090.

2.8.3 Clearances. Ground clearance, ramp breakover angle, and angles of approach and departure shall be in accordance with 3.3.9 of SAE AS8090.

2.8.4 Suspension. The Compressed Gas Trailer shall have suspension in accordance with 3.4.1.2 of SAE AS8090.

2.8.5 Brakes.

2.8.5.1 Parking brakes. The Compressed Gas Trailer shall have parking brakes in accordance with

3.6.1 of SAE AS8090.

2.8.5.2 Service brakes. The Compressed Gas Trailer shall have service brakes in accordance with

3.6.2 of SAE AS8090.

2.8.6 Bumper. The Compressed Gas Trailer shall have a rear bumper in accordance with 3.7 of

SAE AS8090.

2.8.7 Fenders. The Compressed Gas Trailer shall have fenders in accordance with 3.9 of SAE AS8090. If front fenders are used in the design of the Compressed Gas Trailer, they shall be bobbed if necessary to prevent rubbing when towed by a semi-truck.

2.8.8 Mudflaps. The Compressed Gas Trailer shall have mudflaps in accordance with 3.12 of SAE

AS8090.

2.8.9 Pintle hook. The rear pintle hook, specified in 3.13 of SAE AS8090, shall not be provided;

the Compressed Gas Trailer shall be towed singly, not in trains, as specified in 3.3.8 of SAE

AS8090.

2.8.10 Tires and wheels. The Compressed Gas Trailer shall be equipped with single or dual tubeless steel belted radial tires with on/off-road type tread mounted on steel disc wheel assemblies. Tire and wheel assemblies shall be identical at all wheel positions. Tires and wheels shall be in accordance with the Tire and Rim Association Year Book requirements for this application.

2.8.10.1 Spare tire and wheel assembly. When specified (see 6.1), a spare tire and wheel assembly (the tire mounted on the wheel) shall be mounted on the Compressed Gas Trailer; the assembly shall be identical to the others provided.

2.8.10.2 Spare wheel. When specified (see 6.1), a spare wheel shall be mounted on the Compressed Gas Trailer; the wheel shall be identical to the others provided.

2.9 Technical Data.

2.9.1 Manufacturer publications. The contractor shall provide the following manufacturer’s publications in Indexed Portable Document Format (IPDF). One digital copy on disc shall be furnished to AFLCMC/WNZ 30 days prior to the first hardware delivery. All manuals shall be delivered with either unlimited data rights or as a minimum, a Government Purpose License, to allow the Air Force to electronically store, print, distribute and update the manual. Manuals are subject to government review and approval in accordance with MIL-PRF-32216. Any changes or corrections noted by the Air Force shall be corrected and updated pages or manuals shall be submitted. Only one digital copy is required per order regardless of quantity of units.

2.9.1.1 Operator’s Manual. The operator’s manual shall include all information required for the safe and efficient operation of the vehicle. The operator’s manual shall include at least the following:

a. General description and step-by-step instructions for the operation of the vehicle and its auxiliary equipment

b. Checklists, lubrication charts, and basic troubleshooting procedures for the daily maintenance inspection and mission readiness checks that the operator is expected to perform

c. Schedules for required preventative maintenance and required periodic maintenance

d. Full descriptions and illustrations for the location and function of all controls

e. List of all checks and adjustments needed in preparation for placing the vehicle into service upon receipt from the contractor

f. Preparation Instructions for shipment or storage

g. Warranty information and a list that details the period of the warranty for the complete vehicle and for any component that exceeds the warranty of the complete vehicle.

Addresses and telephone numbers shall be provided for all warranty providers listed.

2.9.1.2 Service and Repair Manuals. Service and repair manuals shall be provided for the chassis, engine, transmission, tanker body, and equipment. The service manuals shall identify any special tools and test equipment required and shall cover troubleshooting and maintenance as well as minor and major repair procedures. The text shall contain performance specifications, tolerances, fluid capacities, current data, voltage data, resistance data, test procedures, and any illustrations or exploded views that may be required to perform proper maintenance by qualified mechanics. The service and repair manuals shall contain an alphabetical subject index as well as a table of contents.

The manual shall contain at least the following where applicable:

a. Pneumatic, electrical, and fuel schematics

b. Schedules for required preventative maintenance and required periodic maintenance

c. Troubleshooting, servicing, disassembly, repair, and assembly procedures

2.9.1.3 Illustrated parts breakdown. An illustrated parts breakdown (IPB) manual shall be provided for the chassis, engine, transmission, tanker body, and equipment. IPB manuals shall include illustrations and exploded views as needed to properly identify all parts, assemblies, subassemblies, and special equipment. All components of assemblies shown in illustrations or exploded views shall be identified by reference numbers that correspond to the reference numbers in the parts list. All purchased parts shall be cross-referenced with the original manufacturer’s name and part number. The IPB manual shall provide the description and quantity of each item used per vehicle. The size, thread dimensions, torque specifications, and special characteristics shall be provided for all nonstandard nuts, bolts, screws, washers, grease fittings, and similar items.

The IPB manuals shall contain a numerical index. The manuals shall contain a list of all the component vendor names, addresses, and telephone numbers referenced in the parts list.

2.9.1.4 Mailing Address. The electronic copy of the manufacturer’s publications shall be sent to the following address:

If sending via USPS: If sending via Fed Ex of UPS:

Support Equipment & Vehicles Division Support Equipment & Vehicles Division

Refueler IPT Refueler IPT

AFLCMC/WN-SEV AFLCMC/WN-SEV

Attn: Mr. Brandon Hammontree Attn: Mr. Brandon Hammontree 235 Byron Street, Suite 19A 235 Byron Street, Suite 19A Robins AFB, GA 31098-1813 Bldg. 300WW South End

Bay D, Door 27A Robins AFB, GA 31098-1813

2.9.2 Service bulletins. The contractor shall prepare service bulletins as required to notify the government of new maintenance problems and/or procedures to be implemented on the contractor’s equipment prior to the issuance of permanent changes to the technical manuals.

Service bulletins shall also be prepared when the program office has identified a trend of a potential problem or failure that has occurred at field level. The service bulletins shall identify any potential safety hazards and shall be submitted in a Microsoft Office digital format.

2.10 Workmanship. The Compressed Gas Trailer, including all parts and accessories, shall be constructed and finished in a thoroughly workmanlike manner. Workmanship objectives shall include freedom from blemishes, defects, burrs and sharp corners and edges; accuracy of dimensions, surface finish, and radii of fillets; thoroughness of welding, painting, and riveting;

marking of parts and assemblies; and proper alignment of parts and tightness of assembly fasteners.

2.10.1 Bolted connections. Bolt holes shall be accurately punched or drilled and shall be deburred.

Threaded fasteners shall be tight and shall not work loose during testing or service usage.

2.10.2 Riveted connections. Rivet holes shall be accurately punched or drilled and shall be deburred. Rivets shall be driven with pressure tools and shall completely fill the holes. Rivet heads shall be full, neatly made, concentric with the rivet holes, and in full contact with the surface of the component.

2.10.3 Gear and lever assemblies. Gear and lever assemblies shall be properly aligned and meshed and shall be operable without interference, tight spots, loose spots, or other irregularities. Where required for accurate adjustment, gear assemblies shall be free of excessive backlash.

2.10.4 Cleaning. The Compressed Gas Trailer shall be thoroughly cleaned. Loose, spattered, or excess solder; welding slag; stray bolts, nuts, and washers; rust; metal particles; pipe compound;

and other foreign matter shall be removed during and after final assembly.

2.11 Warranty. The Compressed Gas Trailer shall have a two-year warranty for parts and defects from date of delivery to destination.

3. REGULATORY REQUIREMENTS.

3.1 Recycled, recovered, environmentally preferable, or bio-based materials. Recycled, recovered, environmentally preferable, or bio-based materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with 23.403 of the Federal Acquisition Regulation (FAR). However, used, rebuilt, or refurbished items shall not be provided.

3.2 Green Procurement Program. Green Procurement Program (GPP) is a mandatory federal acquisition program that focuses on the purchase and use of environmentally preferable products and services. GPP requirements apply to all acquisitions using appropriated funds, including services and new requirements. FAR 23.404(b) applies and states the GPP requires 100% of EPA designated product purchase that are included in the Comprehensive Procurement Guidelines list that contains recovered materials, unless the item cannot be acquired: a) competitively within a reasonable timeframe; b) meet appropriate performance standards, or c) at a reasonable price. The prime contractor is responsible for ensuring that all subcontractors comply with this requirement.

4. PRODUCT CONFORMANCE PROVISIONS.

The products provided shall meet the salient characteristics of this Product Description, conform to the producer’s own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace, modified as necessary to comply with the requirements herein. The Government reserves the right to require proof of such conformance.

4.1 Examination of product. Each Refueling Vehicle shall be examined to verify compliance with the requirements herein. A contractor-generated, Government-approved checklist shall be used to identify each requirement and shall be used to document the examination results. Particular attention shall be given to materials, workmanship, dimensions, surface finishes, protective coatings and sealants and their application, welding, fastening, and markings. Proper operation of each Compressed Gas Trailer shall be verified.

5. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order.

6. NOTES.

6.1 Ordering data. Acquisition documents should specify the following:

a. Title, number, and date of this PD.

b. If a spare tire and wheel assembly is required (see 2.8.10.1)

c. If a spare wheel is required (see 2.8.10.2)

d. Packaging requirements (see 4.)

Custodian: Preparing Activity:

Air Force – 84 Air Force – 84

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