1、Designation: F 1385 01An American National StandardStandard Practice forPlatforms in Cargo Tanks1This standard is issued under the fixed designation F 1385; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice provides design, construction, and instal-lation criteria for platforms in cargo tanks.1.2 Where platforms are attach
3、ed to ladders see Figs. 1-4.1.3 The values stated in SI (metric) units are to be regardedas the standard. The inch-pound units given in parentheses arefor information only.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibilit
4、y of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:A 36/A 36M Specification for Carbon Structural Steel22.2 Military Specification:MIL-G-18015 Grating,
5、Metal, Other than Bar Type (Ship-board Use)32.3 Federal Standard:FED-SPEC-RR-C-271 Chain and Attachments, Welded andWeldless42.4 ABS Standard:American Bureau of Shipping Rules for Building andClassing Steel Vessels52.5 AWS Standard:AWS D1.1 Structural Welding CodeSteel62.6 Other Standards:SAE-AMS-C-
6、27725 Coatings, Corrosion Preventative,Polyurethane, for Aircraft Integral Fuel Tanks for Use to250 Degrees F (121 Degrees C)33. Significance and Use3.1 This practice establishes the procedure for the construc-tion and installation of platforms to be fabricated and installedby the shipyards within t
7、he cargo tanks.4. Materials and Manufacture4.1 Materials:4.1.1 Gratings1.8-kg (4-lb) expanded metal fabricated inaccordance with MIL-G-18015.4.1.2 Flanged Plate SupportsFabricated from 10 by 380mm (approximately38 by 15 in.) with a 75-mm (approximately3in.) flange of carbon steel plate in accordance
8、 with Specifi-cation A 36/A 36M.4.1.3 Angle Supports75- by 75- by 10-mm (approxi-mately 3- by 3- by38-in.) structural angles of carbon steel inaccordance with Specification A 36/A 36M.4.1.4 Stanchions25-mm (approximately 1-in.) diametercarbon steel.4.2 Manufacture:4.2.1 Platforms shall be constructe
9、d as shown in Figs. 1-4.4.2.2 The dimensions indicated in Figs. 1-4 are for thecommonly used sizes. However, dimensions can be modified tosuit other existing structures.4.2.3 Platforms shall be designed to support static loads ofat least 14 kPa (approximately 300 psf).4.2.4 Platforms shall be locall
10、y reinforced where greaterloads are contemplated for removal or disassembly of machin-ery.4.2.5 All welding shall be in accordance with AmericanBureau of Shipping Rules for Building and Classing SteelVessels or AWS D1.1.4.2.6 Tolerances shall be 66 mm (approximately14 in.).5. Dimensions5.1 Openings
11、in railings serving ladders to lower levels shallnot be more than 690 mm (approximately 27 in.) wide.1This practice is under the jurisdiction of ASTM Committee F25 on Ships andMarine Technology and is the direct responsibility of Subcommittee F25.03 onOutfitting.Current edition approved Nov. 10, 200
12、1. Published January 2002. Originallypublished as F 1385 - 92. Last previous edition F 1385 - 92.2Annual Book of ASTM Standards, Vol 01.04.3Available from Naval Sea Systems Command, SEA 03R42, 2531 JeffersonDavis Highway, Arlington, VA 222425160.4Available from Standardization Documents Order Desk,
13、Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.5Available from American Bureau of Shipping, ABS Plaza, 16855 NorthchaseDr., Houston, TX 77060.6Available from American Welding Society, 550 N.W. LeJuene Rd., Miami, FL33126.1Copyright ASTM International, 100 Barr Harbor Dr
14、ive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2 Safety chains with snap hooks shall be provided to closesuch openings at heights of 530 and 1060 mm (approximately21 and 42 in.) above the walking surface. Chain shall bewelded and shall be in accordance with FED-SPEC-RR-C-271.6.
15、Workmanship, Finish, and Appearance6.1 Platforms shall be free of all sharp edges, burrs, projec-tions, weld splatter, and other defects that might be injurious topersonnel or equipment, or both.6.2 For cargo tanks carrying cargo other than fuel oils, coatplatforms with one coat 3.0-MIL dry film thi
16、ckness inorganiczinc silicate following surface preparation in accordance withthe Steel Structure Painting Council Specifications7or themanufacturers paint instructions.6.3 For spaces carrying fuel oil cargo, one coat of 3.0-MILdry film thickness of corrosion preventive coating shall beapplied to th
17、e platforms in accordance with SAE-AMS-C-27725.6.4 Grating sections are to be tested in accordance withMIL-G-18015 or as follows: Support a section of grating on7Available from Steel Structures Painting Council (SSPC), 40 24th St., 6thFloor, Pittsburgh, PA 152224656.FIG. 1 Cargo PlatformBulkheadF 13
18、852two supports each 25 mm (approximately 1 in.) wide and 915mm (approximately 36 in.) apart. The test load is to be threetimes the design load. The test load is to be suspended from abar 610 by 50 mm (approximately 24 by 2 in.) applied acrossthe grating midway between the supports.7. Keywords7.1 ca
19、rgo tank access; cargo tank gratings; cargo tankplatforms; cargo tanks; platformsFIG. 2 Cargo Platform ElevationF 13853FIG. 3 Cargo PlatformGirderF 13854ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. U
20、sers of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed eve
21、ry five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible techn
22、ical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.FIG. 4 Cargo Platforms Showing Typical SectionsF 13855This standard is copyrighted by ASTM Internationa
23、l, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).F 13856
