. Electric railway journal . de and contains six tracks. Tracksindicated on the drawing as follows: 1, 2 and 3 are for light overhauling, while tracks 4, 5 and 6 Tracks 1, 2 and 3, light truck shop repairs. are f°r heavy work. The two groups are separated for the TrackSfstorwoom trwkT ^ Sh°P etire depth °f the sll0P ^ 3n aisle flo0r SPaCe 25 ft- wide, as Track 8, minor carpentry repairs. shown in Fig. 6. This area is used for overhaul of air enuip- iracks 9 and 10, woodwork overhauling. ~. t. j a 1 • , , ,- 1 , Track u, strip and trim. ment and affords a convenient place for the storage of par


. Electric railway journal . de and contains six tracks. Tracksindicated on the drawing as follows: 1, 2 and 3 are for light overhauling, while tracks 4, 5 and 6 Tracks 1, 2 and 3, light truck shop repairs. are f°r heavy work. The two groups are separated for the TrackSfstorwoom trwkT ^ Sh°P etire depth °f the sll0P ^ 3n aisle flo0r SPaCe 25 ft- wide, as Track 8, minor carpentry repairs. shown in Fig. 6. This area is used for overhaul of air enuip- iracks 9 and 10, woodwork overhauling. ~. t. j a 1 • , , ,- 1 , Track u, strip and trim. ment and affords a convenient place for the storage of parts 554 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVII. No. 13. taken from trucks in progress of overhaul. The pipe fittersbench is also located in this space and controllers, resistances,fenders, sweeper brooms, etc., which have been repaired andare ready to be placed on cars are stored here where they aeereadily accessible to the repairmen. The tracks in each groupare spaced 14 ft. center to center to allow ample room for work. Probably the most striking point about the truck shop andthe adjacent departments is the elaborate system of hoisting and conveying work, comprising hand and hydraulic jacks,chain-block car slings, screw car lifts, pneumatic hoists and ajib crane. The transverse pit with its supply track is also animportant aid in the conveyance of truck and electrical mate-rial from or to the lower level of this installation. Typical chain blocks and QMS pneumatic hoist equipment*in service on the light overhauling tracks are shown in Fig. hoists are five in number, of 2 tons capacity each, and arecarried directly from the lower chord to the roof trusses. Pro-vision has been made for continuing the runways into the arma-ture and blacksmith shops, but up to the present time it has notbeen found necessary to do this and the travel of the trolleyends at the doors of the armature and blacksmith shops. Thehydraulic pit jacks are operated by a pipe line which carries city


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