1、MIL-P-2323OE 20 m 9999906 0469533 2 m * Fb IINCK-POUNDI MIL-P-23210E 5 February 1991 SUPERCEDING 5 March 1984 MIL-P-23210D MILITARY SPECIFICATION PLATFORMS, ALUMINUM AND STEEL; AND ACCESSORIES (FOR SHIPS BROWS) This specification is approved for use by all Departments and Agencies of the Department
2、of Defense. 1. SCOPE. 1.1 Scope. This document covers aluminum and steel platforms and accessories for brows (ships gangplanks). 1.2 Classification. Platforms and accessories should be of the following types, sizes and styles, as specified (see 3.2 and 6.2). Type I - Brow Platform: Size 1 - 6 by 14
3、by 10 feet high. Size 2 - 12 by 12 by LO feethigh. Size 3 - 10 by 12 by 15 feet high. Size 4 - 10 by 12 by 20 feet high. Type II - Stair (to serve 10 foot high platforms) Type III - Stair Platform. Beneficial comments (recommendations, additions, deletions) and any pertinent1 data which may be of us
4、e in improving this document should be addressed to: I Commanding Officer (Code 156), Naval Construction Battalion Center, Port I Hueneme, CA 93043-5000, by using the self-addressed Standardization I document or by letter. I Document Improvement Proposal (DD Form 1426) appearing at the end of this I
5、 AMSC N/A FSC 2090 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlim ted. Licensed by Information Handling Services . MIL-P-23210E 20 = 9999906 0469532 4 MIL- P - 2 3 2 10E Type IV - Rotating Platform (for brow to ship connection) Size 4 - for 3 foot and 4 foot wide brows.
6、 Size 5 - for 5 foot wide brow. Type V - Rotating Brow Support (for brow to ship connection). Size 3 - 3 foot wide brow. Size 4 - 4 foot wide brow. Size 5 - 5 foot wide brow. Style A - Beam brow support. Style B - Truss brow support 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecificati
7、ons. standards. The following specifications and standards form a part of this document 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 t
8、hereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL PPP-B-601 - Boxes, Wood, Cleated-Plywood. MILITARY MIL-P-116 - Preservation, Methods of. MIL-T-704 - Treatment and Painting of Material. MIL-B-22342 - Brows, Aluminum, Beam and Truss. STANDARDS FEDERAL FED-STD-H28/2 - Screw-thread S
9、tandards for Federal Services Section 2 Unified Inch Screw Threads - UN and UNR Thread Forms. MI LI TARY MIL-STD-129 - Marking for Shipping and Storage. (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from Navy Publishing 6s Printing
10、, Service Office, Bldg. 4D, NPM DODSSP, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2 Licensed by Information Handling ServicesP e a e MIL-P-232LOE 20 W 99999Ob 04b9533 b W I b MIL-P-23210E 2.1.2 Other Government drawings. The following other Government drawings form a part of this document to
11、 the extent specified herein. specified, the issues are those cited in the solicitation. Unless otherwise DRAWINGS NAVAL FACILITIES ENGINEERING COMMAND (NAVFAC) 1404713 - Standard Aluminum Brow Platforms Notes and Detail. 1404714 - Standard Aluminum Brow Platform 6-O“ x 14-O“ x 10-0“ High Plan, Elev
12、ation and Sections. i404715 - Standard Aluminum Brow Platform 12-O“ x 12-0“ x 10-0“ High Plan, Elevation and Sections. 1404716 - Standard Aluminum Brow Platform 10-0“ x 12-O“ x 15-0“ High Plan, Elevation and Sections. 1404717 - Standard Aluminum Brow Platform 10-0“ x 12-0“ x 20-O“ High Plan, Elevati
13、on and Sections. 1404718 - Standard Aluminum Stair Platform for 4-40 Brow Plans and Sections. 1404719 - Standard Aluminum Stair Platform for 4-40 Brow Steps, Details and Sections. 1404720 - Standard Steel Rotating Platform for 3-O“, 4-0“, and 5-0“ Wide Brows Plans and Elevation. 1404721 - Standard S
14、teel Rotating Platform for 3-O“ and 4-O“ Wide Brows Plans, Elevation and Sections. 1404722 - Standard Steel Rotating Platform for 5-O“ Wide Brows Plans, Elevation and Sections. 1404723 - Standard Stairs to Serve 10-0“ High Platform. 1404724 - Standard Rotating Brow Support for Aluminum Brows. 140472
15、5 - Standard Aluminum Brow Lighting. (Copies of specifications, standards, handbooks, drawings, publications, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting ac
16、tivity.) 2.2 Non-Government Dublications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DODISS cited in the solicitation. documents not listed i
17、n the DODISS are the issues of the documents which are current on the date of the solicitation (see 6.2). Unless otherwise specified, the issues of ALUMINUM ASSOCIATION (AA) Specifications for Aluminum Structures. (Application for copies should be addressed t 19th Street Nw, Washington, DC 20006.) t
18、he Aluminum Association, 900 3 Licensed by Information Handling Services_ MIL-P-23210E 20 777790b 0467534 *e MIL-P-23210E AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM AS TM AS TM - A36. - A 167 - A 276 - B 26 - B 209 - B 221 - B 247 - B 308 - D 709 -
19、 D 3951 - D 3953 - Structural Steel. - Stainless and Heat Resisting Chromium-Nickel Steel - Stainless and Heat Resisting Steel Bars and Shapes - Aluminum-Alloy Sand Castings. - Aluminum and Aluminum-Alloy Sheet and Plate. - Aluminum and Aluminum-Alloy Extruded Bars, Rods, Shapes and Tubes. - Aluminu
20、m-Alloy Forgings, Hand Forgings and Rolled Ring Forgings. - Aluminum-Alloy 6061-T6 Standard Structural Shapes, Rolled or Extruded. - Laminated Thermosetting Materials. - Commercial Packaging. - Strapping, Flat Steel and Seals. Plate, Sheet, and Strip. (Application for copies should be addressed to t
21、he American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN WELDING SOCIETY (AWS) AWS B3.0 - Welding Procedures and Performance Qualifications. AWS D1.l - Structural Welding Code - Steel. AWS D1.2 - Structural Welding Code - Aluminum. (Application for copies sh
22、ould be addressed to the American Welding Society, 550 NW Lejeune Road, Miami, FL 33135.) NATIONAL HARDWOOD LUMBER ASSOCIATION (NHLA) Rules for the Measurement and Inspection of Hardwood and Cypress Lumber (Application for copies should be addressed to the National Hardwood Lumber Association, P.O.
23、Box 34518, Memphis, TN 38134.) SOCIETY OF AUTOMOTIVE ENGINEERS, INC. (SAE) SAE 5534 - Lubrication Fittings. (Application for copies should be addressed to the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.) SOUTHERN PINE INSPECTION BUREAU (SPIB) Standard Grading
24、 Rules for Southern Pine Lumber. (Application for copies should be addressed to the southern Pine Inspection Bureau, 4709 Scenic Highway, Pensacola, FL 32504.) 4 Licensed by Information Handling Services- v MIL-P-23210E 20 777770b 0467535 T MIL-P-23210E WEST COAST LUMBER INSPECTION BUREAU (WCLIB) St
25、andard Grading Rules for West Coast Lumber. (Application for copies should be addressed to the West Coast Lumber Inspection Bureau, 6980 SW Varns Road, P.O. Box 23145, Portland, OR 97223.) (Non-Government standards and other publications are normally available from the organizations that prepare or
26、distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of Drecedence. In the event of a conflict between the text of this document and the references cited herein (except for associated detail specifications, specification
27、sheets or MS standards), the text of this specification takes precedence. Nothing in this specification, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Description. Brow platforms, stair platforms, rotating platforms, stairs and
28、 rotating brow supports shall have the characteristics, dimensions and fittings specified herein and as shown on the drawings referenced herein. 3.2 Drawings. The drawings forming a part of this document are engineering design drawings. drawings. fits, the contractor shall provide tolerances within
29、those prescribed on the drawings to insure correct fit, assembly and operation of the items. No deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. Refer to TABLE 1 to determine the applicable drawing for each type, size, or style
30、of platform specified (see 1.2 and 6.2). The contractor is responsible for preparing his own shop Where tolerances prescribed could cumulatively result in incorrect 3.3 First article. When specified in the contract or purchase order, the contractor shall furnish one complete item for first article i
31、nspection and approval (see 4.2.1, 6.2 and 6.4). Unless otherwise specified (see 6.2), the first article shall be maintained at the manufacturers facility and delivered as the last item. , 5 Licensed by Information Handling ServicesMIL-P-232LOE 20 m 9999906 0469536 L m MIL-P-23210E TABLE 1. Platform
32、 drawings. I Classification Description Drawing I I I 1404714 I Type I, Size 1 Brow Platform, 6 by 14 I I I I I Type 11 I I I I Type I, Size 2 I Type I, Size 3 I Type I, Size 4 I Type III I Type IV, Size 4 I Type IV, Size 5 I Type V, Style A, I Sizes 3, 4, the hole dimensions shall not exceed 5/8 in
33、ch in length or width. Material thickness and depth of grating on platforms shall be as shown on the drawings and as specified herein. 6 Licensed by Information Handling ServicesMIL-P-23210E 20 999990b 04b9537 3 MIL-P-23210E 3.4.1.3 Allov 3003. The abrasive tread plate, when used for treads on stair
34、 steps, shall be of aluminum alloy 3003 conforming to ASTM B 221, shall have a fused oxide wearing surface and shall be not less than 0.125 inch in thickness. An alternate material may be used by the manufacturer if it can be shown that it meets the requirements specified herein and those on the app
35、licable drawing. 3.4.1.4 Alloy 5456. As indicated on drawings 1404715, 1404716 and 1404717, the 15-inch channel shall be fabricated from aluminum alloy 5456 conforming to ASTM B 221, temper H 111 or H 321. 3.4.1.5 Allov 356.0. At the option of the manufacturer, the stanchion sockets for the removabl
36、e handrails on the brow platforms may be a casting of aluminum alloy 356.0, conforming to ASTM B 26. 3.4.2 Structural steel. Structural steel shall conform to ASTM A 36. 3.4.3 Stainless steel. Ships connections, pins, bolts, nuts and washers shall be of stainless steel conforming to ASTM A 276, type
37、 304, condition A or B, commercially designated as 18-8 chromium-nickel steel, hot or cold finished. Stainless steel plate shall conform to ASTM A 167, type 304 or other class suitable for welding. 3.4.4 Bronze bearing Dlates. Self-lubricating bronze bearing plates for rotating platforms shall be as
38、 shown on the applicable drawing. 3.4.5 Synthetic resin laminate. Synthetic resin laminate separation sheets shall be provided where indicated on the drawings. The laminate material shall conform to ASTM D 709, grade G-10, thickness as shown on the applicable drawing(s). properties may be used with
39、prior approval by the contracting officer. Other suitable material having similar physical and chemical 3.4.6 Epoxv-resin sand-mortar. Epoxy-resin sand-mortar specified on drawing 1404722 shall be prepared and installed in accordance with the manufacturers recommendations. 3.4.7 Mineral-coated fabri
40、c. Mineral-coated fabric shall be coated on one surface with silicon carbide particles, No. 60 grit, and shall be applied in accordance with the manufacturers recommendations. 3.4.8 Hardwood lumber. Hardwood lumber shall be NHLA grade No. 1 construction boards of any of the following species: elm, s
41、oft; gum, black, red, and sap; hackberry; oak, red and white; and maple, soft. Moisture content shall be not greater than 19 percent. 3.4.9 Softwood lumber. Lumber for bearing pads used for bolting to the base plates of the rotating brow supports shall be either southern yellow pine or Douglas fir.
42、Moisture content shall be not greater than 19 percent. 3.4.9.1 Southern vellow pine. Southern yellow pine lumber shall be not less than grade dense structural 58 or longleaf structural 48, as graded under the SPIB rules. a 7 Licensed by Information Handling Services - MIL-P-232LOE 20 W 999990b 04695
43、38 5 MIL-P-2321OE 3.4.9.2 Douglas fir. Douglas fir lumber shall be not less than construction grade as graded under WCLIB rules. 3.5 Fasteners. Threaded fasteners shall be of the size, type, style and quantity indicated on the drawings. The threads shall be class 2 unified thread form conforming to
44、FED-STD-H28/2. Fasteners shall be of aluminum alloy conforming to 3.4.1.1, except where stainless steel is indicated on the drawings. Stainless steel fasteners shall conform to 3.4.3 and shall be as shown on the applicable drawing(s). assembly. Securing chains shall be provided for all removable pin
45、s. Threads shall be lubricated prior to 3.6 Safety chain. Safety chain for stair platform and rotating platform stanchions shall be welded aluminum chain of 1/4 inch size, having a safe working load of not less than 500 pounds (lb). 3.7 Swivel caster. Swivel caster shall be a heavy-duty commercial p
46、roduct designed for both static and dynamic loading, and having one or two wheels as indicated on drawing 1404713. Each wheel shall have a manual brake. Each swivel caster shall have a four-position swivel lock which, when disengaged, shall freely permit 360 degree swiveling. lock shall be capable o
47、f resisting a horizontal force of 1,500 lbs. Both the wheel brake and the swivel 3.8 Bearings, swivel and wheel. Swivel and wheel bearings shall be corrosion-resistant, replaceable, precision-type of ball, roller, or taper roller design. exclusion of contaminants. purged when normal lubricating pres
48、sure is applied. The bearings shall be sealed for the retention of lubricant and The bearing seal shall permit the bearing to be 3.9 Stanchions. Stanchions on the rotating brow platforms shall be provided with a system for attaching and adjusting the safety chain to permit the rotating platform and
49、its connecting brow to rotate through a 90 degree arc without damaging the safety chain. 3.10 Winch assembly. The winch assembly for the stair platform shall consist of two winches, four sheaves, and wire rope. The winches shall have a working capacity of not less than 500 lbs. and shall be of the worm-geared wall type. The pull required on the winch handle under full working capacity shall be no greater than 30 lbs. The winches and sheaves shall be either corrosion- resistant marine bronze or steel. galvanized, 6 by 19 wire rope shal
