1、MIL-B-2853hC 54 = 7777706 0215I01 I m y distribution is un1 imi ted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SPECIFICATINS FEDERAL PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Boxes, Wood, Nailed and Locked Corner. PPP-B-636 - Boxes,
2、 Shipping, Fiberboard. PPP-T-97 - Tape, Pressure-Sensitive Adhesive, Filament Reinforced. 99-5-78 - Strapping, Steel and Seals. .SAN ORRD FEOERAL .Ml L ITARY MTL-P-116 - Preservation, netbods of= MIL-C-3774 - Crate, Wood, Open, 12,000 and 16,000 Pound Capacity. MIL-B-26195 - Boxes, Wood-Cleated, Ski
3、dded, Load -Bearing Base. NIL-C-52950 - Crates, Wood, Open and overed. STANDARDS MZt ITARY WIL-STD-705 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-7186 - Cushioning, Anchoring, Bracing, Blocking and Attrfbutes - Waterproofing, with Appro
4、priate Test Methods. (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available From the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) farm a part of- this specification to ttie extent spec
5、ified herein. Unless otherwise specified, the issues are those in effect on the date QI! the sollcttation. 2,2 Other Government documents, The following other Government documents -FIAVFAC Desjgn Hanual 2.2 - Loads, Struckwal Engineering. 2 Provided by IHSNot for ResaleNo reproduction or networking
6、permitted without license from IHS-,-,-MIL-B-253bC 54 m 999970b 02L5L03 5 m MIL-B-28536C 2.3 Non-Government publications. The following document(s) form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are thos
7、e listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS areoe issues of the documents which is current on the date of the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE, INC. (ANSI) ANSI A156.2 - Locks
8、 and Lock Trim. ANSI A156.4 - Door Controls-Closers. (Application for copies should be addressed to the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018,) AMERICAN SOCIETY FOR TESTING AND MATERIALS (AST#) t ASTM A 307 - Carbon Steel Externally and Internally Threaded Fa
9、steners. ASTM A 325 - High Strength Bolts for Structural Steel Joints Including ASTM A 449 - Quenched and Tempered Steel Bolts and Studs. ASTM B 209 - Aluminurn Alloy Sheet and Plate. ASTM B 308 - Aluminum Alloy Standard Structural Shapes Rolled or ASTM E 84 - Surface Burning Characteristics of Mate
10、rials, Test for. ASTM E 136 - Noncombustibility of Elementary Materials, Test for. Suitable Nuts and Plain Hardened Washers. Extruded. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) METAL BUILDING MANUFACTURER
11、S ASSOCIATION (MBMA) NBMA - Recommended Design Practices Manual. (Application for copies should be addressed to Metal Building Manufacturers Association, 1230 Keith Building, Cleveland, OH 44115.) (Non-Government standards and other publications are normally available from the organizations which pr
12、epare or which distribute the documents. These documents also may be available in or through libraries or other informational services. ) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.3 Order of precedence. In the event of a conflict between th
13、e text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a spe
14、cific exemption has been obtained. 3. REQUIREMENTS 3.1 Description. The building shall be unassembled prefabricated metal structures of the rigid frame type. Each building shall have roll-up type doars, two personnel doors, and six windows, three on each side. Interior floor space shall be free of s
15、upports. roof and side bracing shall be provided to comply with the design loads for a type I building. Diagonal bracing on interior frames shall not interfere with the clear height from underside of the frame to the foundation. Each building shall include all prefabricated components and all materi
16、als as specified for a complete building ready for erection. Provisions for field conversion of a type II high strength building shall be made. The manufacturers standard diagonal 3.2 First article. When specified (see 6.2.1), the contractor shall furnish one complete building for first article insp
17、ection and approval (see 4.3 and 6.4). 3.3 Materials. Haterials used shall be free from defects which would adversely affect the performance or maintainability of individual components or of the overall assembly. Materials not specified herein shall be of the same quality used for the intended purpo
18、se in commercial practice. Unless otherwise specified herein, all equipment, material, and articles incorporated in the work covered by this specification are to be new and fabricated using materials produced from recovered materials to the maximum extent possible without jeopardizing the intended u
19、se. The term “recovered materials1 means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. Unless otherwise specified, none of the above shall be interpreted to mean that the use of used or rebui
20、lt products are allowed under this specification 3.3.1 Steel. 3.3.1.1 Structural steel. Steel for structural and framing members shall be a structural grade steel having a yield strength and section modulus to meet the required building design and load requirements; all bar, strip, sheet, and plate
21、for fiange on rigid frame section shall have a yield strength of not less than 50,000 pound per square inch. exposed to weather shall be provided with an integral corrosion-inhibitive coating or shall be treated and painted in a color matching the sheet finish. Structural steel which is 4 Provided b
22、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-2853bC 54 W 77977Ob 0215105 7 W MI L-B-28536C 3.3.1.2 Steel sheeting. Steel sheeting for flashing, roof, and sides shall be a commercial grade having a yield strength and section modulus to meet the buildin
23、g design criteria. The sheeting shall be provided with an integral corrosion-inhibitive coating and primed and finished on both sides with an oven-dry finish in accordance with the manufacturers standard process. 3.3.2 Aluminum. 3.3.2.1 Structural aluminum. Aluminum for structural and framing member
24、s shall be a structural aluminum alloy conforming to ASTM B 308 having a yield strength and section modulus to meet the required design criteria. Structural aluminum shall be treated and finished in a color matching the sheeting finish. a 3.3.2.2 Aluminum sheeting Aluminum sheeting for flashing, roo
25、f, and sides shall be a commercial alloy conforming to ASTM B 209 having a yield strength and section modulus to meet the required design criteria. The sheeting shall be primed and finished on both sides as standard with the manu fac t urer. 3.4 Design. 3.4.1 General design. Unless otherwise specifi
26、ed (see 6.2.1), the design of. the building shall be in conformance with the applicable requirements of the MBMA, the latest issue in effect at the time fo the proposal and other codes as referenced therein. Seismic loading shall be considered. When required, the NAVFAC Design Manual 2.2 shall-be us
27、ed to suplement the load requirements. 3.4.2 Building dimensions. Nominal building size shall be 40 feet wide by 100 feet long. Roof- slope shall be 4:12 with a nominal eave height of 14 feet. Each end wall shall have a roll-up type door not less than 13 feet high by 12 feet wide. Bay spacing shall
28、be nominal 20 feet for the type I building, 10 feet for the type II. The total gross louver opening shall be not less than 16 square feet. 3.4.3 Structural loads. 3.4.3.1 Type I. The type I building shall be designed for the following loads: Wind load: 100 miles per hour (mph). Snow load: 30 pounds
29、per square foot (psf). Roof live load: 5 psf + snow load. Concentrated load: 2,000 pounds (10) suspended from any point on any rigid frame. When a type I building is required (see 6.2.1), the manufacturers erection/assembly manual shall include all the identification data to permit ordering the requ
30、ired additional structural components and material (as a kit) to convert a type I building to a type II strength building. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-2B53bC-54 m 777770b 0225106 O m MI L-B-28536C 3.4.3.2 Type II. The type
31、 II building shall be designed for the following 1 oads : Wind: 180 mph. Snow load: 60 psf. Roof live load: 5 psf f snow load. Concentrated load: 2,000 lbs suspended from any point on any rigid frame. When a type II building is required (see 6.2.1), it shall be a type I building with the additional
32、structural members, purlins, rigid frames, girts, and associated hardware to meet the load requirements specified herein. 3.4.4 Enclosed and open restraint. Both type buildings shall be capable of withstanding their respective design load with the building totally enclosed, as in normal use. In addi
33、tion, the load requirements shall be met without sides and end walls but with the roof and all primary structural members in place. Secondary structural members shaT1 not be permitted in the side or end walls of the open building. When the option of enclosing the building completely with sidewalls i
34、s exercised, the loading specified in 3.4.3.1 and 3.4.3.2 will be exceeded, so that they will be met in the open wall configuration. 3.4.5 Thermal loads. The building with a1 of its component parts and accessories shall be capable of functional operation in all environmental conditions encountered i
35、n -30 degrees Fahrenheit (OF) to t-l2O0F. 3.4.6 Fasteners. 3.4.6.1 Bolts. Bolts for joining main structural frame members and column base clips shall be high-strength bolts conforming to ASTM A 325. Anchor bolts shall conform to ASTM A 449. All other bolts and nuts shall conform to ASTM A 307. Washe
36、rs and screws not otherwise specified shall be commercial grade. All bolts, nuts, and washers shall be provided with an integral corrosion- inhibitive coating. All nuts and bolts shall be hexagonal head, except that anchor bolts may be the bent type. 3.4.6.2 Sheet-to-sheet fasteners. The blind rivet
37、 shall be an aluminum alloy body of a minimum 0.156-inch size and have sufficient shear and tension properties to withstand all design loads specified. Each rivet shall have a synthetic resilient washer. Protection from electrolytic action of the dissimilar metals shall be provided by a surface or c
38、hemical treatment of the aluminum rivet for that portion contacting steel sheeting. Fasteners for attaching sheet-to-sheet wall panels shall be blind rivets. Fasteners for attaching sheet-to-sheet roof panels shall be either blind rivets or self-drilling screw. The self-drilling screws shall be a mi
39、nimum 1/4-inch size by 0.75-inch long with an integral corrosjon4nhibiting coating to meet the requirements specified herein. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-253bC 5Y m 777770b 0215107 2 M MIL-B-28536C 3.4.6.3 Sheet-to-structura
40、l fasteners. Screws for fastening sheets and flashing to framing or structural members shall be of the self-tapping corrosion-resistant type and capable of tapping 0.175-inch thick structural grade steel. Self-drilling screws are an acceptable option. The fasteners shall not be smaller than 1/4-inch
41、 screw size by Q-750-inch longgnd shall have a hexagonal washer head. Each fastener shall have an integral combination washer, consisting of a corrosion-inhibitive coated cupped washer and a synthetic resilient washer of a minimum of 0.042-inch thickness, capable of providing a weathertight seal. Th
42、e screws shall be fabricated from a metal alloy which is both compatible with the other structural components and of adequate strength For the loads specified. Exposed fasteners shall be provided wtih a prime coat and a finish coat which matches the exterior color. finish, shall be noncombustible wh
43、en tested in accordance with 4.6.2. All material shall have a flame spread rating of 25 or less and a smoke developed - 1 3.4.7 Fire hazard class. All material, including but not limited to the * rating of 50 or less when tested in accordance with 4.6.2. 3.5 Construct-ion. All building structure mem
44、bers shall be constructed by The connection of all pieces The building methods normally practiced by the manufacturer. shall provide for ease of assembly. Dimensions and tolerances shall be strictly controlled to insure proper operation of all components and interchangeability of all parts bearing t
45、he same assembly mark. shall be designed and constructed to facilitate field maintenance and conversion from one load design criteria to the other. All adjustments and replaceable accessories shall be readily accessible. 3.5.1 Closures. The manufacturers standard closure matching the sheet profile (
46、ribs) shall be provided for installation along the eave, rake, and at all accessory openings as required to achieve weathertight integrity. The roof and wall panel systems shall provide a leak-free structure under the design conditions specified. The building shall not leak when subject to the wind
47、speeds specified in paragraphs 3.4.3.1 and 3.4.3.2, for wind in combination with either rain or snow. Other methods standard to the manufacturer for achieving the preceding effect are acceptable. excess of closure parts shall be furnished with each building. A 2 percent 3.5.2 Calking compound. The c
48、alking compound or sealant for making the side laps and end laps of wall and roof sheets weathertight shall be the manufacturers standard for the specified environmental conditions. 3.6 Cleaning, treatment, and painting. Surfaces normally painted in good commercial practice shall be cleaned, treated
49、, and painted as specified (see 6.2.1). Surfaces to be painted shall be cleaned and dried to insure that they are free from contaminants such as oil, grease, welding slag and spatter, loose mill scale, water, dirt, corrosion product, or any other interfering substances. As soon as practicable after cleaning, and before any corrosion product or other coating interfering can result, the surface shall be prepared or treated to insure the adhesion of t
