1、AA-B-00157bA 7I 9 7777771 003741.18 I W AA-B-O0 15 9 6A (GSA-FSS) March 29, 1974 SEPERSEDING AA-B-O0 15 9 6 (GSA-FSS) January 15, 1970 -*- IKTERIZ PEDERAL SPECIFICATION BOOKCASE , WOOD , GENERAL OFFICE 4 P li- This Interim Federal Specification was developed by the Federal Supply Service, General Se
2、rvices Administration, Washington, D. C. 20436, based upon currently available technical information. It is recommended that Federal agencies use it in procurement and forward recormendations for changes to the preparing activity at tire address shown above. 1. SCOPE 1.1 Scope. This specification co
3、vers one type of bookcase fabricated of wood for general office use. 2. APPLLICABLE DOCUNEPJTS 2.1 The following documents of the issue in effect on the date of invitation for bids or request for proposal, form a part of this specification to tine extent specified herein : Federal Specifications: L-
4、P-378 - . LLP-508 - L-T-0041 - FF-S-107 - FF-S-111 - KWI-A-130 - PPP-B-636 - PPP-F-320 - PPP-T-42 - TT-L-57 - Plastic Sheet and Strip, Thin Gauge, Polyolefin. Plastic Sheet, Laminated, Decorative and Nondecorative. , Table Top and Furniture Assemblies (Plastic Thermosetting Resin Laminate). Screws ,
5、 Tapping and Drive. Screw , Wood. Adhesive , Contact. Boxes, Shipping, Fiberboard. Fiberboard; Corrugated and Solid, Sheet Stock (Container Grade) , and Cut Shapes. Tape, Pressure-Sensitive, Adhesive;- (General Packaging Application) . Lacquer , Rubbing ,- Clear , (for Wood furniture) . Federal Stan
6、dards: Fed. Std. No. 123 - Narking for Domestic Shipment (Civil Agencies). (Activities outside the Federal Government may obtain copies of Federal Specifications, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards and at the prices ind
7、icated in the Index. The Index, which includes cumulative monthly supplements as issued, is for sale on a subscription basis by the-Superintendent of Documents, U.S. Government Printing Office, Washington, - D. C. 20402. (Single co-ies of this specification and other Federal Specifications required
8、by activities outside the Federal Government for bidding purposes are available without charge from Business Service Centers at the General Services Administration Regional Offices in Boston, New York, Washington, D. C., Atlanta, Chicago, Kansas. City, 30., Fort Worth, Denver, San Francisco, Los Ang
9、eles, and Seattle, WA. (Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies.) Provided by IHSNot for ResaleNo reproduction or networking permit
10、ted without license from IHS-,-,-AA-B-001596A(GSA-FSS) Military Standards : MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage. (Copies of Military Specifications and Standards required by contractors in connection with specific
11、procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) specification to the extent specified herein. identified, the issue in effect on date of invitation for bids or request for proposal shall apply. 2.2 Other publications. The following doc
12、uments form a part of this Unless a specific issue is U.S. Department of Commerce publications: PS51 - Hardwood and Decorative Plywood. CS236 - Mat-Formed Wood Particleboard. (Copies of the Commercial and Product Standards may be obtained upon application, accompanied by money order, coupon, or cash
13、 to the Superintendent of Documents, Government Printing Office, Washington, D.C. 20402. Prices may be obtained from the Superintendent of Documents. ) National Motor Freight Traffic Association, Incorporated, Agent: National Motor Freight Classification. (Application for copies should be addressed
14、to the American Trucking Association, Uniform Classification Committee, Agent: Inc., Tariff Order Section, 1616 P Street, N.W., Washington, D.C. 20036.) Uniform Freight Classification. (Application for copies should be addressed to the Uniform Classification American Society for Testing and Material
15、s (ASTM) Standard: Codtte, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) ASTM D 905-49 - Standard Method of Test for Strength Properties of Adhesives in Shear by Compression Loading. (Copies may be obtained upon application to American Society fox Testing and Materials, 1916 Race Street,
16、 Philadelphia, PA 19103.) 3. REQUIREMENTS 3.1 Preproduction sample. Unless otherwise specified (see 6.21, before production is commenced, a sample of the finished item and each component part conforming to the requirements f this specification shall be offered for approval of the contracting officer
17、 or his authorized representative. preproduction sample authorizes the commencement of production, but does not relieve the contractor of responsibility from compliance with all other applicable provisions of this specification. Approval of the 3.2 Materials. The materials used in construction of th
18、e bookcase-shall be of the kind and quality specified herein. 3.2.1 Adhesives. The adhesives to be used and their permitted application shall be as shown in Table I. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA-B-00153bA 71 7773774 0017450 T
19、AA-B-001596A (GSA-FSS) TABLE f. Adhesives 1 Kind of Adhesives All glueblocks, assembly joints, glued laminated stock, an4 edge joining of lumber-core pane3.s. All plywood gluing, edge-joining of veneer plies, cross-banding, edge banding, and plastic laminating. t 1%. + W Any adhesive that will devel
20、op an average block shear strength of not less khan 2800 pounds per square inch when tested as specified in 4.3.1.1. Any adhesive that will conformto or exceed the test requirements of the Type II bond, as described in.Product Staridaird PC51 for Hardwood and Decorative Plywood. 3.2.2 Finishing mate
21、rials. 3.2.2.1 Filler. 3.2.2.2 Stain. The stain shall consist of an organic dye in an organic solvent The fillex shall be compatible with the-finish system and shall not cause failure to finish panels in teats specified in 4.3.1.1. and shall not cause failure to the finish panels ia ultraviolet resi
22、stance test specified in 4.3.1.1. requirements of type I or type II of TT-E-57 when tested as specified in 4.3.1.1. 3.2.2.3 Lacquer. The lacquer shall be in accordance with the applicable 3.2.3 Wood. in Table 17 The permissible woods for the component parts shall be as shown 3.2.3.1 Solid wood. The
23、solid wood used for exposed parts shall be bright, well sanded and free from brashness, discoloration, worm holes, honeycomb, splits, and shake. A few small burls, pin-knots-averaging not more than two per square foot, mineral streaks a maximum of 1/16 inch by 4 inches, or 1/8 inch by 2 inches in ar
24、ea and averaging not more than one per square foot, will be permitted. for unexposed parts, including lumber-core, may contain small defects such as pin-knots, sapwood, or mineral streaks provided the strength of the part is not affected. All component wood parts shall be uniformly kiln dried to a m
25、oisture content of from 5 to 8 percent. 3.2.3.2 Plywood. All haxdwoocl plywood shall be constructed accordiq to the requirements of Product Standard PS51 and as specified herein. The construction shall be either lumber-core or veneer core. Bondage shall be not less than Type II. Cross-banding plfes
26、shall be not less than Grade 2 quality and not less than 1/20 inch thick. Face and back veneer plies shall be not less than 1/28 inch thick, except for walnut which shall be not less than 1/32 inch thick, before sanding. All exposed faces, including inside faces of side and both sides of back panels
27、, shall have Grade 1 veneer plies, matched for color and grain to present a uniform appearance. Grade 2 veneer plies may be used on the face of unexposed panels and underside of shelves. Lumber-core panels shall be Regular Grade except that no end-butt joints will be permitted and the wood for bayin
28、g up the cores shall be of full length strips not more than 4 inches wide. lengths and shall be applied in balanced construction form with no ply joints less than 1 inch from the edge of any panel. Full length veneer strips shall be a minimum of 3-1/2 inches wide. Trim-off allowance of 3/16 inch sha
29、ll be permissible on panel sides. Plywood will be permitted which otherwise meets the provisions of PS51 but consists of an even number of plies, with the two center plies running in the same direction. The wood used Veneer plies shall be full Alb face veneers shall be edge-glued. 3 Provided by IHSN
30、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA-B-O0 159 6A (GSA-FSS) TABLE II. Varieties of wood Exposed parts Unexposed parts Solid parts any one item ?/ Veneers 23 (only one for Solid Veneers Corestock lJ Crossbands Birch Cherry Mahogany z/ Pecan Walnut Philip
31、pine Maple Hickory hardwoods ?/ Birch Cherry - Hickory Mahogany 2/ Maple Pecan Walnut Philippine hardwoods :/ Ash Alder (red) Beech Ash Birch Aspen Cherry Basswood Hackberry Beech Hickory Birch Magnolia Butternut Mahogany Cherry Map le Cottonwood Oak Magnoli a Pecan Mahogany Sweetgum Maple Sycamore
32、Oak Tupelo Sweetgum Walnut Sycamore Philippine Tupelo hardwoods z/Walnut Yel. Poplar Philippine hardwoods ?/ Alder Basswood Butternut Cherry Chestnut Cottonwood Douglas Fir i/ Magnolia Mahogany Maple (soft) Ponderosa- pine 4/ Redwood 4/ Sitka SpFuce 4/ White Pine i/- Yel. Poplar Sycamore Willow Phil
33、ippine hardwoods ?/ Alder Aspen Basswood Beech Birch Butternut Cherry Chestnut Cottonwood Magnolia Mahogany Maple (soft) Oak Sweetgum Tupelo Walnut Yel. Poplar Sycamore Willow Philippine hardwoods :/ - i/ Only one of the species listed shall be used in any one panel. - 2/ American and African Mahoga
34、ny only. - 3/ Red luan group only. - 4/ Vertical grain only. - 5/ Like species shall be used in any one piece of furniture. following types, grades and classes in Commercial Standard CS236: 3.2.4 Particleboard. The particleboard shall be in accordance with any of the Type I, grade A (high density),
35、class 1: Type.1, grade B (medium density), class 2, except that panels less than one inch thick shall have a minimum average screw holding capacity of 235 pounds on the edges and 285 pounds on the faces: Type II, grade A (high density) , class 2. The thickness of the particleboard shall be as hereaf
36、ter specified. The moisture content of the particleboard shall not exceed 9 percent at time of laminating. 3.2.5 Hardware. 3.2.5.1 Footsockets. The footsockets shall be made of minimum 0.024 inch thick stamped brass or brass finished, anodized aluminum. They shall be 1-3/8 inches high and shall have
37、 a flat closed bottom with rounded bottom edges. in the size mpe specified or Type A of FF-S-107. 3.2.5.2 Screws. The screws used in assembly shall be in accordance with FF-S-111 3.2.6 Plastic laminate. 3.2.6.1 Decorative face sheets. The decorative face sheets shall conform to style D, type 1, grad
38、e HP, class 1, finish D (other), of L-P-508 and the nominal thickness shall be 1/16 inch. The color of the plastic laminate shall be as specified in 3.5.2. e 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- I c 3.2.6.2 Nondecorative backing sheets.
39、 The nondecorative backing sheets shall conform to style ND, type V, grade HP of L-P-508 and the nominal thickness shall be 1/32 inch. 3.3 Construct.-oL. 3.3.1 Design. The design of the bookcase shall be as shown in Figure 1. The bookcase shall provide 2 areas for accommodating books and one adjusta
40、ble shelf shall be furnished with each bookcase. The overall dimensions of the bookcase shall be 29-1/2 inches high by 36 inches wide by 14 inches deep. The top shall be flush with both end panels and shall overhang the front and back 5/8 inch. I 3.3.2 Tolerances. The following tolerances will be pe
41、rmitted, except where otherwise specified herein : 3.3.2.1 Overall tolerances for bookcase: (a) Height - plus l/4 inch minus 1/8 inch. (b) Depth - plus 1/4 inch minus 1/8 inch. (cl Width - plus 1/4 inch minus 1/8 inch. 3.3.2.2 Component part tolerances: (a) Dimension of any solid wood part (width an
42、d thickness) plus 1/16 inch (b) Dimension of any plywood part (thickness only) - plus 1/16 inch minus (c) Dimension of any particleboard part (thickness only) - plus 1/16 inch (dl Any dimension, not otherwise specified - plus or minus 1/8 inch. minus 1/32 inch. 1/32 inch. minus 1/32 inch. I 3.3.3 Jo
43、inery. Unless otherwise specified herein, all joints shall be tenoned . -r- _ - - - - - - L - - 3.2.i, shall be applied to the joint and the joint shall be held under pressu- until the adhesive has properly set. the joint while adhesive is setting. Starved or insufficiently glued joints will not be
44、acceptable. When particleboard is used for the core material, sheet metal screws shall be used for attachment. 1 Nails or brads shall not be used for holding I 3.3.4 Components. 3.3.4.1 Top. The top shall be a plastic laminate assembly consisting of particleboard,specified in 3.2.4, surfaced with pl
45、astic laminate face sheets, specified in 3.2.6.1, and backing sheets, specified in 3.2.6.2. The assembly shall be constructed in accordance with type IV of L-T-0041. The nominal thickness of the top shall be 1-3/16 inches. All edges of the top shall be banded with exposed solid wood strips, specifie
46、d in 3.2.3, lap or butt-joined at the corners. All banding strips shall be full length, straight grained, and shall be a minimum of 5/16 inch thick. Alternatively, the banding strips may be tongued into the particleboard core top. When this method is used, the minimum thickness of the banding strip
47、shall be 5/16 inch, excluding the tongue. All banding strips shall be applied before application of the plastic laminate. The grain pattern of banding strips shall be horizontal. The adhesives, specified in 3.2.1, shall be used for the banding and plastic laminate assembly. Alternatively, adhesive c
48、onforming to the requirements of NbEl-A-130 may be used for the plastic laminate assembly. All corners of the top shall be rounded to a 3/16 inch radius, minimum. All top edges of the top shall be chamfered a minimum of 1/16 inch at a 45 degree angle. bottom edges of the top shall be eased. The Prov
49、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA-B-00157bA 71 W 7777774 0017g53 5 M AA-B-OOl596AtGSA-PSS) 3.3.4.2 Panels. All panels shall be 5 ply minimum plywood construction (3.2 .3.2) or particleboard (3.2.4). Softwoods are acceptable as inner plies for hardwood faced plywood panels. Panels shall be faced two sides with Grade 1 veneer plies, specified in 3.2.3.2, except for the bottom panel which may have Grade 2 veneer
