1、MIL-M-274LLl 54 m 7777906 021i6278 7 m E - s7-/9 MIL-M-29414 (MC) 16 April 1984 MILITARY SPECIFICATION MODULE, WATER TANK This specificaion is approved for use by the U.S. Marine Corps, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1.
2、SCOPE 1.1 Scope. This specification establishes the requirements for manufacture and Government acceptance of the Water Tank Module. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards and handbooks. Unless otherwise specified, the following specifications, standards an
3、d handbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL ZZ-H-5 6 1 Hose, Rubber, and Hose Assemblies, Rubber, Smoot
4、h Bore, Water Suction and Discharge MI L IT ARY MIL-I- 6 8 6 6 Inspection, Penetrant Method of MIL-1-6868 Inspection Process, Magnetic Particle MIL-W-8611 Welding, Metal Arc and Gas, Steels, and Corrosion and Heat Resistant Alloys; Process for MIL-E-19933 Electrodes and Rods - Welding, Bare Chromium
5、 and Chromium-Nickel Steels MIL-E-22200/2 Electrodes, Welding, Covered (Austenitic Chromium-Nickel Steel, for corrosive and High Temperature Services) MIL-E-52798 Enamel, Alkyd, Camouflage Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in impro
6、ving this document should be addressed to: Commandant of the Marine Corps, Code LMA-1, Washington D.C. 20380 by using the self-addressed Standard- ization Document Improvement Proposal (DD Form 1426) appearing at the end of this-document or by letter. F -. FSC 5430 a THIS DOCUMENT CONTAINS -Zl3- PAG
7、ES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STANDARDS MILITARY M,IL-STD- 10 5 MIL-STD-129 MIL-STD-130 MIL-STD-453 MIL-STD-470 MIL-STD-471 MIL-STD-781 MIL-STD-785 MIL-STD-810 MIL-STD-889 MIL-STD-1186 MIL -M- 2 9 4 1 4 (MC ) Sampling Procedures
8、and Tables for Inspec- tion by Attributes Marking for Shipment and Storage Identification Marking of U.S. Military Property Inspection, Radiographic Maintainability Program (for Systems and Equipments) Maintainability Demonstration Reliability Tests: Exponential Distribution Reliability Program Foi:
9、 Systems and Equipment Development and Production Environmental Test Methods Dissimilar Metals Cushioning, Anchoring, Bracing, Blocking and Waterproofing, with Appropriate Test Methods 2.1.2 Other Government documents, drawings and publications. The followins other Government documents, drawings and
10、 publica- tions lorm a-part of this specification to the extent specified herein. DRAWINGS U.S. Marine Corps 845008A0000 SIXCON Water Tank Module CODE OF FEDERAL REGULATIONS 49CFR178 Shipping Container Specifications 49CFR4 5 1 Testing and Approval of Containers (Copies of specifications, standards,
11、 drawings and publications required by manufacturers in connection with specific acquisition functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification to the extent specified
12、herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) IS0 668 - Freight Containers - External Dimensions and Ratings. IS0 1161 - Series 1 Freight C
13、ontainers - Corner Fittings - Specification 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-27414 54 9979906 0216300 1 MIL-M-29414 (MC) IS0 1496/I - Series 1 Freight Containers - Specification and IS0 1496/III - Series 1 Freight Containers -
14、Specification and Testing - Part I: General Cargo Containers Testing - Part III: Tank containers for Liquids and Gases (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY. 10012.) AMERICAN WELDING SOCIETY CAWS) AWS D1.l - Structural W
15、elding Code, Section 5, Qualification - Welding Inspection Manual (Application for copies should be addressed to the American Welding Society, 2501 N.W. 7th St., Miami, FL 33125.) AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code, Welding Qualification, Sec- tion IX. (A
16、pplication for copies should be addressed to the American Society of Mechanical. Engineers, 345 East 4th St., New York, NY 10017.) 2.3. Order of precedence. In the event of a conflict between the text of this specification and the reference cited herein, the text of this specification shall take pre
17、cedence. 3. REQUIREMENTS 3.1. First article. Unless otherwise specified, (see 6.2), the contractor shall furnish three units for first article inspection (see 4.3). The first article shall be manufactured using the same methods, procedures, and tooling proposed for production. Approval of the first
18、article by the procuring activity shall not relieve the contractor of the obligation to supply equipment conforming to this specification. Changes or deviations in production units from the approved first article baseline shall require written authori- zation by the procuring activity. 3.2 Materials
19、. Materials used in fabrication of the water tank module shall be as specified on Drawing No. 845008A0000. Materials shall be free of defects and imperfections that might affect the serviceability and appearance of the finished product, Substitute material shall not be utilized prior to written auth
20、orization by the procuring activity. Materials not specified shall be selected by the contractor and shall be subject to all provisions of this specification. Special precautions shall be observed to ensure 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
21、HS-,-,-ML-M-2941i4 54 477970b OZLb30L 3 MIL-M-29414 (MC) that materials in contact with potable water do not contain contaminants which would preclude the waters intended use. Materials shall not impart odor, color, or taste to the water, and shall conform to the requirements of the Environmental Pr
22、otection Agency (EPA) . 3.3 Design and construction. The water tank module shall be fabricated and assembled in accordance with Drawing No. 845008A0000 and as specified herein. 3.3.1 Safety approval. Necessary actions as prescribed in 49CFR451 (see Code of Federal Regulations) shall be accomplished
23、to obtain approval of the containers by an appropriate Convention for Safe Containers (CSC) approval authority (see 49CFR451), Sub- part B - “Approval of New Containers“ and the required CSC Safety Approval Plate shall be provided an affixed to the container as prescribed in 49CPR451, Subpart C - “S
24、afety Approval Plate.“) The notice of approval received from the approval authority which authorizes the attachment of CSC Safety Approval Plates shall. be furnished to the contracting officer within 30 days of receipt by the contractor. The contractor shall also provide a certificate to the contrac
25、ting officer stating the serial number, model number, and any pertinent manufacturing identification numbers of the tanks that are covered under each specific Notice of Approval. ments of ZZ-H-561, grade A, type I, style A, class 2. All hoses shall comply with Environmental Protection Agency (EPA) r
26、equire- ments and be suitable for use with chlorinated potable water; 3.3.2 Hose. All hose and hose assemblies shall meet the require- 3.3.3 Insulation. The water tank module shall be insulated as specified on Drawing No. 845008A0000. 3.3.4 Cleanliness. All interior surfaces of the water tank module
27、 and components which come into contact with potable water during fillings, storage, transport and dispensing operations shall meet the cleanliness requirements of the EPA. 3.3.5 Welding and welders. 3.3.5.1 Weldinq. The water tank module and its components shall be welded in accordance with Drawing
28、 No. 845008A0000. Welding shall meet the requirements of MIL-W-8611. The surface of the parts to the welded shall be free from rust, scale, paint, grease, or other foreign matter. Spot, tack, or intermittent welds or greater strength shall not be permitted, unless other- wise cited in Drawing No. 84
29、500A0000. Weld penetration shall be such as to provide transference of maximum design stress through the base metal juncture. when necessary to reduce stress concentration. weldments shall be reasonably straight and true in accordance with Fillet welds shall be provided All finished 4 Provided by IH
30、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-27414 59 H 7779706 0216302 5 i MI L- bi- 2 9 4 1 4 ( MC ) good shop practice. Faulty welments shall be corrected by welding only. Peening shall not be utilized to correct faults. Weld spatters shall be removed.
31、 All parts shall be properly aligned and meshed and operable without interference, tight spotsr or other irregularities. 3.3.5.2 Welders. All welders shall be qualified for the types of welds required in the fabrication of water tank modules. Before assigning any welder to welding work, the contract
32、or shall provide the contracting officer with certification that the welder has passed qualification tests as prescribed by either of the follow- ing listed codes for the type of welding operation to be performed and that such qualification is effective as defined by that parti- cular code. AWS D1.l
33、, Structural Welding Code, Section 5, Qualification Boiler and Pressure Vessel Code, Welding Qualification, section IX (ASME) 3.3.5.3 Electrodes. Welding electrodes shall meet the require- ments of either MIL-E-19933 or MIL-E-22200/2. Electrodes used to weld class 304L corrosion-resisting steel shal
34、l be type MIL-309 or MIL-310 only. 3.3.6 Casting and forgings. Castings and forgings shall be manufactured in accordance with Drawing No. 845008A0000. All cast- ings shall be sound and free from patching, inclusions, misplaced coring, warping, or any other defect that reduces the castings ability to
35、 perform its intended function. Forgings shall be uniform in quality and condition, and shall be free from tears, cracks, seams, laps, internal ruptures, imbedded scale, segrega- tion, and other defects. a 3.3.7 Bolted and pinned connections. Bolt and pin holes shall be accurately punched or drilled
36、 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. 3.3.8 Machine work. Quality of machine work shall meet accepted standards of the manufacturing industry. Where machined surfaces are
37、 required, adequate thicknesses shall be shown on the drawings, making due allowances for heat treating, hardening, finish grind- ing, and plating or coating based on shop experience and judgement. 3.3.9 Metal fabrication. Metal used in the fabrication of the water tank modules shall be free from ki
38、nks and sharp bends. The straightening of material shall be done by methods that will not cause injury to the metal. Shearing and chipping shall be done accurately. Flame cutting, using a tip suitable for the thickness of the metal, may be employed instead of shearing or sawing. Re- entrant cuts may
39、 be made with controlled means in order to ensure uniformity of size and shape. Precautions shall be taken to avoid 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-29414 (MC) overheating, and heated metal shall be allowed to cool slowly, use
40、of dissimilar metals in intimate contact with each other shall be avoided wherever possible. cannot be avoided, an interposing material that will eliminate or - mininiize this galvanic effect shall be used in accordance with MIL-STD-889. The When the use of dissimilar metals 3.3.10 Interchangeabilit
41、y. Water tank modules of the same classification, furnished under any specific contract, shall be physically and mechanically identical. requirements specified in IS0 668, 1161, 1496/I and 1496/111. percent) probability of completing a 12 hour mission. exceed 1 hour at the organizational level and 2
42、 hours at the direct support level. They shall each meet the 3.4. Reliability. The water tank module shall have a 0.98 (98 3.5 Maintainability. The Mean Time to Repair (MTTR) shall not 3.6 Performance characteristics. The water tank module shall 3.6.1 Drain. meet the following performance requiremen
43、ts. The water tank module shall be capable of dispens- ing water by gravity flow without restriction from the drain valve. - 3.6.2 Tank openings. The water tank module shall meet the pres- sure and leakage requirements of 49CFR178.253-5, when manifolded with appropriate hose and Eittings. provided f
44、or each water tank module. 3.6.3 Liquid level indicator. A liquid level indicator shall be 3.6.4 Manhole. The manhole shall incorporate a vent and provide access to the interior of the water tank module for cleaning and repair. cover to provide a leak proof seal. The manhole shall be provided with a
45、 removable gasket 3.7 Environmental characteristics. The water tank module shall withstand without leakage the humidity resistance low temperature (-25OF) and high temperature (160OF) and salt fog when tested as specified in 4.5.15. 3.8 Painting. The water tank module shall be painted as speci- fied
46、 on Drawing No. 845008A0000 and MIL-E-52798. Color shall be as specified in 6.2. 3.9 Marking/serialization. 3.9.1 Water tank module. The water tank module shall be marked and serialized as specified on Drawing No. 845008A0000. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
47、thout license from IHS-,-,-MIL-M-23qL4 54 7777706 02Lb304 7 MIL-M-29414 (MC) 3.9.2 Parts and components. Parts and components shall be marked in accordance with MIL-STD-139. 3.9.3 Identification plate. The water tank module identification plate shall be in accordance with Drawing No. 845008A0000. 3.
48、9.4 Instruction plate. The water tank module instruction plate shall be in accordance with Drawing No. 845008A0000. 3.10 Workmanship. All parts, components, and assemblies of the unit including castings, forgings, molded parts, stampings, seals and sealing agents, machined surfaces, and welded parts
49、 shall be clean and free from any defects thac will reduce the capability of the water tank module to meet the requirements specified herein. Any components and assemblies which have been repaired or modified to overcome deficiencies shall not be used without prior approval of the contracting officer. External surfaces shall be free from burrs, slag, sharp edges, and corners except where sharp edges and corners are required. 4. QUALITY ASSURANCE PROVISIONS 4.1 R
