1、MIL-DTL-22342E m 9999906 2030393 16% I NOTMEASUREMENT I I SENSITIVE I MIL-DTL-22342E 7 JULY 1995 SUPERSEDING 26 May 1989 MIL-B-22342D DETAIL SPECIFICATION BROWS, ALUMINUM, BEAM AND TRUSS This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1
2、 Scope. This specification covers aluminum beam and truss brows (ships gangplanks). 1.2 Classification. Brows will be of the following types, widths, and spans, as specified (see 6.2): Type B - Beam brows. Widths: 3-foot (ft), 4-ft, and 5-ft. SDan (ft) Drawing: number 12 16 20 1404700 1404701 140470
3、2 Type T - Truss brows. !Beneficial comments (recommendations, additions, deletions) and any pertinent1 Idata which may be of use in improving this document should be addressed to: I IHueneme, CA 93043-5000, by using the self-addressed Standardization Document1 IImprovement Proposal (DD Form 1426) a
4、ppearing at the end of this document or I ICommanding Officer (Code 156), Naval Construction Battalion Center, Port I Ibv letter. I AMSC N/A FSC 2090 DISTRIBUTION STATEMENT A. Approved for public release; distribution is un1 im i te d. Provided by IHSNot for ResaleNo reproduction or networking permi
5、tted without license from IHS-,-,-MIL-DTL-22342E 999990b 2OLOL2 OT8 MIL-DTL-22342E Span 3 - f t width 4- f t width 5-ft width o Drawing number DrawinP number Drawing number 25 30 35 40 50 60 70 80 90 1404703 14047 O 3 14047 O 3 1404703 1404 7 O 3 14047 O 3 1404704 1404704 1404704 1404705 1404705 140
6、4705 1404706 1404706 1404706 1404707 1404707 1404707 1404 7 O 8 1404708 1404708 1404709 1404710 1.2.1 Part or identifvine - numbers (PINS). The specification number, type, width and span combined to form the specification PINs for the brows covered by this specification (see 6.5). follows : The PINs
7、 for the brows are established as M22342 a a I I I I Specification number I I I I Type code number (see 6.5) I I I Width code number (see 6.5) I I Span code number (see 6.5) I 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications. standards. and drawinas. The following specification
8、s, standards, and drawings form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solici
9、tation. SPECIFICATIONS FEDERAL T-T-616 - Treatment: Mildew Resistant, for Rope and Cord. MILITARY MIL-P-5431 - Plastic Phenolic, Graphited, Sheets , Rods , Tubes and Shapes. MIL-P-15035 - Plastic Sheet: Laminated, Thermosetting, Cotton-Fabric-Base, Phenolic-Resin. MIL-P-23469 - Pins and Collars, Swa
10、ge-Locking (Lockspins) General Specification for. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-22342E 9999906 2010193 T34 M MIL-DTL-22342E DRAWINGS NAVAL FACILITIES ENGINEERING COMMAND 1404695 - Beam and Truss Brows - Notes and Details.
11、 1404696 - Beam and Truss Brows - Details and Fittings. 1404697 - Beam and Truss Brows - Sections and Details. 1404698 - 1404699 - 1404700 - 1404701 - 1404702 - 1404703 - 1404704 - 1404705 - 1404706 - 1404707 - 1404708 - 1404709 - 1404710 - 1404711 - 1404712 - Truss Brows - Truss Brows - Aluminum Be
12、am Aluminum Beam Aluminum Beam Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Truss Brows - Welding Notes and Details. Member Forces. Brows - 3-12: 4-12: 5-12. Brows - 3-16: 4-16: 5-16. Brows - 3-20: 4-20: 5-20. 3-25 6 30
13、; 4-25 or alloy 6061-T6 or T6511 conforming to ASTM B 221. be fabricated of alloy 6063-T6 conforming to ASTM B 221. vendor, the aluminum alloy tube may be alloy 6063-T832. When specified (see 6.2), guardrails, posts, and handrails shall be furnished with anodized finish. Floor plates, when furnished
14、, shall be fabricated of alloy 5454 or alloy 6061 conforming to ASTM B 209, and shall be of a temper and thickness adequate to sustain, without permanent deflection, the floor test loads indicated on drawing 1404695. The plates shall be covered with a commercially available nonslip deck coating cons
15、isting of a one-part binder combined with a nonskid grid (see 6.8). When furnished, extruded floor gratings shall At the option of the 3.5.2 Steel. When furnished, ship connections of stainless steel, including plates, hooks, bolts, nuts, and washers shall be chromium-nicke1 steel conforming to ASTM
16、 A 473, type 302 or 303. ASTM A 242 structural steel and ASTM A325 bolts, nuts, and washers may be substituted for stainless steel. 3.5.3 Svnthetic laminate. To reduce corrosion, galvanic action between metals shall be prevented by separating dissimilar metals from each other with a non-conductor. S
17、eparation sheets l/l-inch thick shall be provided where indicated on the drawings and may be plastic sheet conforming to MIL-P-15035 (see 6.9). 3.6 Design - and construction. The design of the brows shall be as specified herein and as shown on the applicable drawings. When specified (see 6.2), truss
18、 brows shall be furnished in sections not exceeding 32 ft in length. The method 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-22342E W 9999906 20101b 7q3 W MIL-DTL-22342E of connecting the sections shall be the responsibility of the contr
19、actor. field connections shall be designed to sustain design loading of brows. All 3.6.1 Tme B. beam brows. Beam brows shall have aluminum pipe handrails and floor plates except when specified (see 6.2), beam brows shall have rope handrail and extruded aluminum floor grating, or any specified combin
20、ation of these components. 3.6.2 Tme T. truss brows. Truss brows shall have aluminum pipe handrails and extruded aluminum floor grating. 3.6.3 Shir, connections. Ship connections shall consist of bolted aluminum angles and wear plates except when specified (see 6.2), stainless steel hooks in accorda
21、nce with drawing 104697 shall be provided for ship connections. 3.6.4 Rollers and caster wheels. Steel roller wheels shall be mounted on the shore end of each brow except when specified (see 6.2), casters shall be furnished. Bearings, pipe, plates, housings, and caster horn assemblies shall be heavy
22、-duty type, capable of sustaining the combined dead load and floor test loads noted on drawing 1404695. Pipe rollers shall conform to the details on drawing 1404696 corresponding to the loading of the brow for which designed. Caster wheels shall be a heavy-duty commercial product designed for dead l
23、oad plus live load plus safety factor, and having one or two wheels as indicated on drawing 1404696 for corresponding brow loadings. bearings. Wheels shall be mounted with 3.6.5 Bearings. Bearings shall be oil-impregnated, self-lubricating, or permanently lubricated synthetic resin construction. of
24、bearings shall be not less than the maximum combined dead and live test loads to be sustained by any individual roller or caster wheel, based on gross weights and design loadings indicated on the drawings. rollers shall be of graphite-impregnated plastic conforming to MIL-P-5431, or other low-fricti
25、onal plastic, such as molybdenum disulfide filled nylon, suitable for the use and loading conditions. blocks may be used when suitable. The rated load capacities Bushing bearings for Low frictional plastic pillow 3.6.6 Cleats. Cleats shall be in accordance with drawing 1404696. 3.6.7 Nuts and bolts.
26、 indicated on the drawings. hexagon type. except where stainless steel is indicated on the drawings. shall conform to 3.5.2. Nuts and bolts shall be of the size and quantity The bolt heads and nuts shall be of the regular Stainless steel Bolts and nuts shall be aluminum-alloy conforming to 3.5.1, 3.
27、6.8 RoDe. When rope handrails are provided on beam brows, they shall be 3/4-inch polypropylene rope. accordance with T-T-616. Rope shall be treated for mildew resistance in 3.6.9 Lighting equipment. When lights are specified (see 6.2), the wiring connections, accessories, and lamps shall be furnishe
28、d and installed in accordance with drawing 1404725 and the National Electrical Code for weather-proof installation. Alternate lighting equipment of equivalent performance may be used when approved in advance by the contracting officer. 6 Provided by IHSNot for ResaleNo reproduction or networking per
29、mitted without license from IHS-,-,-MIL-DTL-223Y2E m 9999906 2OLOL77 bT m MIL-DTL-22342E Unless otherwise specified (see 6.2), the receptacle and switch shall be located at the shore end of the brow. 3.7 Identification marking. Identification shall be permanently and legibly marked directly on the b
30、rows or on a corrosion-resisting metal plate securely attached to the brows at the source of manufacture. Identification shall include the manufacturers model and serial number, name and trademark to be readily identifiable to the manufacturer. 3.8 Lifting: attachments. Aluminum pad eyes and lifting
31、 eyes shall be provided as detailed on the drawings. 3.9 WorkmanshiD. The completed brows shall have a uniformly clean appearance, free from all fabrication and mill markings, smudges, and foreign materials. free from sharp projections. Handrails and all exposed surfaces and edges shall be smooth an
32、d 3.9.1 Welding. Welding procedures shall be in accordance with the American Welding Society (AWS) Standards. The surface of parts to be welded shall be free from rust, scale, paint, grease, or other foreign matter. Welds shall be of sufficient size and shape to develop the full strength of the part
33、s connected by the welds. deformation or failure when the parts connected by the weld are subjected to proof and service loadings. Welds shall transmit stress without permanent 3.9.1.1 Welder aualification. All welders shall be qualified for the types of welds and for the positions they are required
34、 to use in construction of the platform. utilized in actual construction or on similar alternate materials not requiring operator requalification. with the applicable sections of the AWS Standard Qualification procedure. Copies of the qualification record for each qualified welder shall be kept by t
35、he manufacturer or contractor and shall be available to authorized Government inspectors. AA Manual, as applicable. Qualification shall be on the type of base material and filler Welder qualification shall be performed in accordance Aluminum shall not be flame cut, and weldments shall conform to the
36、 3.9.2 Bolted connections. Bolt holes shall be accurately punched or drilled and shall have the burrs removed. Washers or lockwashers shall be provided in accordance with good commercial practice, and all bolts, nuts, and screws shall be tight. Screw threads shall conform to ANSI B1.l. 3.9.3 Riveted
37、 aluminum connections. When riveting is specified (see 6.2), spacing and edge distance of rivets shall conform to The Aluminum Association, Aluminum Construction Manual, Section 5. Rivet holes shall be accurately drilled to a diameter not to exceed 104 percent for cold driven rivets or 107 percent f
38、or hot driven rivets. the structural members are clamped in their final position. edges shall be removed. affect the temper of the structural aluminum. Rivet heads shall be of approved shape, full, neatly made, concentric with the rivet holes, of uniform size for the same diameter rivet, and in full
39、 contact with the surface of the member. Aluminum swage-locking pins and collars in accordance with MIL-P-23469, with diameter equal to rivet diameter are acceptable in lieu of rivets. huck bilting will be acceptable as an alternative to riveting. The rivet holes shall be drilled while Burrs and rou
40、gh Heat shall not be applied in any manner which will In addition, 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-22342E M 0b 20LOL8 5Lb MIL-DTL-22342E 4. VERIFICATION 4.1 Responsibility for inspection. Unless otherwise specified in the co
41、ntract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as Specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performanc
42、e of inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. 4.1.
43、1 Responsibilitv for compliance. All items must meet all requirements of sections 3 and 5. become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring
44、 that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known d
45、efective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. The inspection set forth in this specification shall 4.1.2 Component and material inspection. Components and materials shall be inspected in accordance with all the requirements spec
46、ified herein and in applicable referenced documents. 4.2 Classification if inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.2.1). b. Quality conformance inspection (see 4.2.2). 4.2.1 First article inspection. The first article in
47、spection shall be performed on brows when a first article is required (see 3.2 and 6.2). inspection shall include the examination of 4.3 and the tests of 4.5. The first article may be either a first production item or a standard production item from the suppliers current inventory provided the item
48、meets the requirements of the specification and is representative of the design, construction, and manufacturing technique applicable to the remaining items to be furnished under the contract. This 4.2.2 Oualitv conformance insDection. The quality conformance inspection shall include the examination
49、 of 4.3 and the test of 4.5. be performed on the samples selected in accordance with 4.3. This inspection shall 4.3 Examination. Each brow shall be examined for defects listed in table I. constitute one defect. Each attribute within each classification of multiple defects shall 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-22342E W 9999906 2010199 452 Classification MIL-DTL-22342E T
