VM UC-NRLF $B 315 lh4 UNITED STATES SHIPPING BOARD EMERGENCY FLEET CORPORATION TIMBER SCHEDULE A^tt) SPECIFICATIONS FOR ANDARD WOOD STEAMSHIP PACIFIC COAST LARGELY DOUGLAS FIR MAY 20, lUtl WASHINGTON GOVERNMENT PRINTING OFFICE 1917 UNITED STATES SHIPPING BOARD EMERGENCY FLEET CORPORATION TIMBER SCHEDULE AND SPECIFICATIONS FOR STANDARD WOOD STEAMSHIP PACIFIC COAST LARGELY DOUGLAS FIR MAY 20, 1917 i/ WASHINGTON GOVERNMENT PRINTING OFFICE 1917 115 h^^ "^ ' } / r- 7 -J/t^^J GIFT • I • • :: • • • -• • • • • • • ••• • • •• . .• r ••• • • • • • • ••• I • • • > > 5 J ■» ) 1 > 1 f AMENDMENTS" OtlLAStfmiS'\ ^ PAGES TO BEFOLLQWEO. TIMBER SCHEDULE AND SPECIFICATIONS FOR STANDARD WOOD STEAMSHIPS, PACIFIC COAST. GENERAL INFORMATION. These specifications have been drafted for the infor- mation and guidance of lumber manufactxtrers, con- tractors, and shipbuilders, and constitute the official schedule of timbers to be used in the construction of wooden vessels on the Pacific Coast. The purchase and inspection of lumber under this schedule wiU be conducted by the Emergency Fleet Corporation or under its direction. Inspections will be made at the mills where lumber is manufactured. Purchases of the Douglas-fir items called for will be made only in complete units of one ship, and will be awarded to mills or groups of miUs undertaking to furnish complete miits. Oflfers to furnish a partial list of Douglas-fir items wiU not be considered. Approved May 20, 1917. United States Shipping Board Emergency Fleet Corporation, Maj. Gen. Geo. W. Goethals, General Mandqer. (3) 4G644 RULES GOVERNING PACIFIC COAST TIMBER SCHEDULE. The accompanying lumber schedule is governed strictly by the following rules : 1. Dimensions of timbers in the form to be used in the ship are net, after surfacing. Material must be sawed large enough to surface down to these dimen- sions. Dimensions and quantities in the rough, in accordance with the usual milling practice, are given separately for the information of manufacturers. 2. The specification of ^^ Selected common'^ Douglas fir means the following, as quoted from the Standard Schedule of Grading Rules, etc., for Douglas fir and associated species. No. 6, issued by the Pacific Lumber Inspection Bureau, 1912: '' Selected Common : ^'This is a grade selected from the grade of No. 1 Common, and shall consist of lumber free from defects that materially impair the strength of the piece, well manufactured, and suitable for high class construc- tional and structural purposes or the purpose for which it is intended, including bridge timbers, floor joists, ship timbers, factories, and warehouses, designed to carry heavy loads, etc. ^' The following specifications, taken from the same schedule, shall govern timber used for ship plank and decking: ^'No. 1 Ship Plank: '' Including outboard planking, garboards, wales, clamps, rails and lumber for similar purposes, shall be (4) 6 fixm grain, free from large knots or other defects imparing its use for the purposes intended. | ^^ Will allow small, tight, hard knots when 'hot on face comers or calking seam. Bright sap on face side edges not exceeding one-quarter the width or thickness. Small pitch pockets not extending through the piece. Said defects to be considered in connection with size of piece and its quality othenvise. Must be well sawn. '^Decking: '^ Shall be uniformly sawn, firm grain, and free from knots and defects on one face and calking edges. Flat sizes shall show edge grain on broad face. Will allow pin and small knots on underside and lower part of calkirg edges. Bright sap, whether green or seasoned, on face side comer not exceeding one-quarter the width or one-third the length.'' 3. The specifications governing all other grades of Douglas fir are given in the Standard Schedule of Grading Rules issued by the Pacific Lumber Inspection Bureau, 1912. 4. Hardwood items shall be of selected stock, high grade structural timbers. 5. Knees shall be free from rot, heart or ring shake, large or loose knots, and other defects which would impair their strength for the purpose intended. 6. 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X XXXn •«■ cc M 0) "!= C F-flO H« H» Hi » ''^ OQO CO C<3 > r r-^ •^ »< c^ (MfH 1 ; * O : § n3 OQ ■*2 , TS >-* , ® O ' I i a a 3 'S o3 i)0 P ■3 o3 ■I i -1^ a. i c 1 > QQ • p •44 . ^ ^ Ot 5 P > o 1 lO lO If 5 O iC iO tC w C£ 3 CC 3 C£ ) !- -j 1- -1 r H r H r- -t p- ^ r- ^ r- -( 1— H r- 1 r- ■( :- ■^ r- H 16 1 -t^ 1 •2 J2l OM 2 fe'^ tfi O o ^ f-i nd u o ^ Or^ § «3^ c3 a> o - > ^ s CS »-i o s2 QQ . ■d o 3^& 8« Q ^ 1 OQ M ^ CM (M P w m ^ ross tage. Og ?* « f*i li O O o o rt^ (M o o s^ o o P P4 ^ ^ ;z;'s CD Tt^ Tt^ Tt^ S 00 ;q .^^ r^ CD c H^) < < § CD M * ^ «"ts 2 o • • fr9 •r-t SS m r«i ^ o Ki »H O eo ccjco H-* t6 ^co -^ l-l I— 1 1- - - « o c: :> CD CD •*-> i—i i- 4 i- -1 r- H -! 1 CO rH CO O TtTcxT CO CD CO CD 1h B .?3 OQ QQ r-H en O a o ^^ o o o P! oS orj d •f-t ?3 p— • O X o o o 03 O AMENDMENTS TO SPECIFICATIONS NO. 2 OF CERTAIN ITEMS OF TIMBER SCHEDULE FOR STANDARD WOOD STEAMSHIP OF DOUGLAS FIR TYPE, PUBLISHED MAY 20, 1917. TRENAILS. Trenails will be of the following finished sizes and quantities instead of the specifications given on page 16 of the schedule of May 20, 1917: Size. Quantity. Inches. li by 26 1| by 32 If by 36 4,500 12, 500 7,500 Firms which do not have facihties for manufacturing finished trenails, but which wish to supply rough oak lumber from which trenails may be made by ship- building firms, may find the following suggestions helpful: Memorandum Regarding Quantity of Oak Lumber Required for the Manufacture of Trenails. Item No. 1, finished, size 1^ by 26 inches, quantity, 4,500 pieces. Can be manufactured from 1^ by 1^ by 26 inches, rough dimension stock. Amount of lumber in each piece is 0.405 board foot. Item No. 2, finished, size If by 32 inches; quantity, 12,500 pieces. Can be made from li by li by 32 inches dimension stock, each piece containing ^ board foot. Item No. 3, finished, size If by 36 inches; quantity, 7,500 pieces. Can be made from IJ by 1^ by 36 inches rough dimeneion stock, each piece containing 0.562 board foot. 102777"— 17 WASHINGTON : GOVERNMENT PRINTING OPFICH : 1017 ^-^v :- u HP UNIVEESITY OF CALIFOENIA LIBEAEY, BEEKELEY J. i"* ' THIS BOOK IS DUE ON THE LAST DATE STAMPED BELOW Books not returned on time are subject to a fine of 50c per volume after the third day overdue, increasing to $1.00 per volume after the sixth day. Books not in demand may be renewed if application is made before expiration of loan period. ; Gaylord Bros. ' Makers Syracuse, N Y. PAT.JAN. 21. 1908 ^B- 5 f 740 UNIVERSITY OF CALIFORNIA LIBRARY