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| = MARINE REVIEW. BALTIMORE & OHIO COAL DOCK. A FAST PLANT AT SANDUSKY, OHIO, FOR THE TRANSFER OF SOFT COAL FROM ; CARS TO SHIPS---CONSTRUCTIUN OF ANOTHER SIMILAR ~ DOCK CONTEMPLATED. Since the receivership of the Baltimore & Ohio Railway, the north- western coal trade of that road has been extensively built up, so that a short time ago it became necessary to provide additional facilities for the transfer of coal from the cars to the vessels. Owing to its location San- dusky, O., has become one of the most important points for coal ship- ment on the Baltimore & Ohio road. The B. & O. lines from West Vir- (eager aeed oo | : Sees =-- + T GRAIN - ELEVATOR ee WARREN ST SLIP SoHNSON Dock [July 13, =m dock and the buckets are filled and run to position opposite the point where the coal is taken into the vessel. On a track of 16-foot gage, be- tween the bucket track and the vessel, there are two traveling steam cranes, which hoist the buckets from the trucks and swing them into Posi- tion over the vessel. The buckets have automatic drop and self-closing bottoms, and the speed of handling coal is very rapid, the average rate being 400 tons transferred from cars to vessels per hour. : This plant was put into operation April 11, 1898, and during the sea- son of that year handled very nearly a half million tons of bituminous coal. The plant has given very good satisfaction, and it is said that the steamboat men prefer it to most other plants on the great lakes. After a boat ties up at the dock it does not have to move until loaded. I+ jg claimed for this method of unloading that the coal is not broken up as 4-6 GSE ORS = aR IO eat a UNLOADER - TRACK SANDUSKY EBAY. FIG. 1--LOCATION OF COAL DOOKS, BALTIMORE & OHIO RY., SANDUSKY, O. ginia and from southern Ohio join at Newark, Ohio, and make a straight course for Sandusky. The outlet for coal from the Pennsylvania region is either Cleveland or Ashtabula, but the product of the Monongahela region in West Virginia and of the Ohio coal fields ig most conveniently taken through Sandusky for transshipment to the northwest. In studying out the design of a plant for unloading coal at this point it was found to be impracticable to erect a car unloader of the usual type in service at Lake Erie ports, and so a bucket unloader was decided upon, patterned somewhat after a plant at Ashtabula, but embodying a number of impor- tant improvements. By courtesy of Mr. J. H. Maddy, press agent of the road, and Mr. B. A. Galleher, agent of the road at Sandusky, we are enabled to illustrate herewith some of the details of this plant and briefly describe its operation. Fig. 1 shows the location of the dock, on Sandusky Bay, and some of the surroundings. ihe four coal pockets are built into a trestle 23 feet high to base of rail. 'The incline leading to the pocket has a grade of 3 per cent and the rack over the pocket has a grade of 10 inches per 100 feet, sloping toward the incline, so that the empty cars may be handled by gravity. The trestle affords room for handling eight coal cars at one time. A good idea of the construction of the pockets may be obtailned from the sectional view, Fig. 2. Each pocket has a capacity of 38 tons, to the bot- tom of the b@éam, and either side-dump or drop-bottom cars may be un- loaded. For unloading side-dump cars the platform or running board, s"Rei/ SS ~ Se zs eet-/eoR, Wide ! Nelo ' one t BSheet tian Wide "Seer inom rior turm on wile 2- {Axle stationery) FIG. 8--SIDE ELEVATION AND PLAN OF BUCKET TRUOK. on either side the pocket, at the top, is made to fold over, out of the way of the falling coal. The coal escapes from the pocket through an open- ing 3 feet high marked "door" in the figure, and slides against a gate faced with a ¥g-inch iron plate. This gate is 3 feet 4 inches high and 3 feet 114 inches wide and is lifted by a steam cylinder 7 inches in diameter, with a 3-foot stroke. Other details of construction about the pocket are suffi- ciently well shown in the drawings. From the gate the coal drops into sheet iron buckets of 4% tons capacity, carried upon a truck running upon a depressed track of 5 feet 6 inches gage, 2 feet 8 inches below the top of dock. There are two of these trucks, each 50 feet long and each carrying eight buckets. The track for the bucket trucks is shown in Fig. 1, and the details of the bucket and truck may be seen in Figs. 2 and 3. The bucket trucks are moved back and forth by machinery located at the end of the track, double cables being attached to the truck, so that it may be pulled in either dinection as desired, The man operating the hauling engine receives his signals by electric bell from the man operating the steam cut-off or outlet gate ' In the operation of loading a vessel, the vessel ties up alongside the x@ /¢Gas Pipe Steet Under beans ey much as when handled by the car dumpers. In order to facilitate the handling of coal the Baltimore & Ohio company has built a storage yard just outside the city limits with a capacity of 1,500 cars, and as it is hoped that the amount of coal handled this year will be double that handled last year, another coal unloader, in close proximity to the one here described, is already in.contemplation.--Railway Review. Side-Dump Car 60.000 * Capacity Dovble Drop-Bottom Car 9,200" Capacity ya a Poe N. 1 Sa memee to A ~~ > ~~ Eee ( = 70 be tubes erase a Leys J epe/ of clute. a 12 e = 1Rod 10-6-/ong under nuts " eae 'Qo? 1&2" frog 4x6 Strut cia fe hpen|keaes 7 A Sade sa ee ee eee = 12°x 127 6 rg « buckets4$ tons capacity \* crop: sé 2a St ------ T 1 ' a = Sheet jron, automatic. 'Lottom, and self-closn axle 0ng Top of dock VEE PW STG N) 12 °x/2 "Bloc s FIG. 2--SHCTION OF COAL POCKET, SANDUSKY DOCK. = 150-0 t= ee on