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THE Marine Review 39 pis DUCE ON SEND. 22 gap of House et ne Spar Dk. , Top of Texas frie ok Wie oy BHD. NO. 29 ABOVE SPAR DK. -- AFT. SICE ° a Q ~7z | Main Dk, AFT. COAL BUNKER BHD, NOw 155 ie eee FOR'D SIDE Stringer SLAT; DOORS IN L a th, M.D. i BHD.NO. 155 : Stringer a Crk] | Stringer Spar Dk. : 4 Ee TRANSOM FRAMING | Tank Top 4 Ls We ssi fron Ladderjon [ W. Ts BULKHEAD NO. 16 -- AFT, SIDE TE late. Sites] E . I a == » - E Ls \ r Forevaltd Dh. SLL ELLE : 8 , : BLOWER. ENG». POCKET --Spar Dk. 7 N BHD. NO. 111 lop | atk AFT SIDE or " fo of AERC Te eee ae r 4 | BHD. ON FR. 481. = = : FOR'D ENG D.NO.1 pO ele SIron Ladder qn Afts4 , ERD REL . Main Dk. +4Side and Ford Side el LI e | fron Ladder on: Montene 5h LM a | amma 900 A Ss eta e ce ed en (a ac = oa and Aft Side |~ 3 = E ah Ze N. W. T. BULKHEAD NO, 29 AFT SIDE and the same care being taken as D strake at the butts. The center keelson is gone on with after the plating and laid off with a mold, the top and bottom angles hav- ing a uniform pitch of rivet holes. The top and bottom angles are laid off with short battens having a uni- form pitch of rivet holes which are moved along until the whole length of the angle is marked. The center _keelson vertical angles are marked from two molds, a right and left or one mold Tee shaped. These angles are riveted to the center keelson be- fore the floor and connections:are put up, care being taken that the space between the angles is kept the thick- ness of the center keelson brackets. . The bottom angles are punched and erected in place on the keel and the center keelson plate dropped in be- tween same and riveted up. The top angles are also erected, Pilot House i | r-+- -+ FORECAS DECK SCREEN BHD. NO. 71 Sp ES ee TT at ESS aie ae ee en ce N. W.T. DOOR W.T. DRAIN BOX AFT SIDE IN SCREEN, BHD. Fic. 8, bolted and riveted up as well as the stiffener angles,. thus completing the center keelson and leaving everything clear for the completed floors being put up in place, The midship section shows more clearly the pieces composing the bot- tom framing. A mold is made for the -- channel -floor, center keelson bracket, bilge bracket, bilge angle, girder stif- feners, intercostal clips, tank top stif- feners, intermediate stiffeners and brackets which composes the bottom frame of the vessel. The channel mold for the floor re- quires three pieces, viz., the mold for the web, strip for shell holes and strip for continuous angle or girder holes. ; Center keelson and bilge bracket re- quire only one mold and the holes for the shell flange of the bilge angle are squared across from the mold used for same and gaged from the ee MAIN DECK - STRINGER AR UK. OK. ENG. AFT RINGER i DK. ENG. AT FR.95 , DK ENG. AT # 89 AND "143 FIG, 9, IN_BHD. NO. 151 RIVETING FOR SPAR DK. STRINGER ~-- nN . AFT. PEAK W.T. BHD. NO. 186 FOR'D SIDE my) MARINE, REVIEW heel of the angle to the center of the hole, thus doing the laying off with ~ one mold. Girder stiffeners and inter- costal clips are marked with a tee- shaped mold, forming a right and left angle for the port and starboard side of the vessel. Tank top stiffeners and intermedi- ate angles require two molds for each, - one for the tank top holes and the other for the brackets on standing flange connecting same to the girders. The channel floor, bilge and center keelson brackets, intercostal clips and girder stiffeners are riveted together and erected in place in one piece. ~ The girders are laid off with strips, one mold serving the purpose of all holes for the stiffeners and top an- gles; holes are marked from another mold the width between the tank top stiffener and intermediates. The bot- tom angle has a uniform spacing of - rivet holes so that a mold the length ' : PLATFORM IN ~ ENGINE ROOM, GUNWALE EARSTRAP MAIN DECK NGINE _ AND STANCH. POCKETS AFT. DECK IN WAY-OF HATCHES © , 4 Shah iat MARINE REVIEW eee «