. The trackman's helper, a handbook for track foremen, supervisors and engineers . ing tools, as the concrete ismixed by hand except in a few instances when a largeamount is to be placed, requiring the use of a mixerto keep a supply on hand. The building is served bytracks along each side, allowing material to be un-loaded and the manufactured articles to be loadedwith ease. The designs of the principal signs and posts areillustrated in the accompanying drawings. The rightof way fence posts are of the tapered T-section type8 ft. long. The flange is 61/2 in. wide and 11/2 at the bottom
. The trackman's helper, a handbook for track foremen, supervisors and engineers . ing tools, as the concrete ismixed by hand except in a few instances when a largeamount is to be placed, requiring the use of a mixerto keep a supply on hand. The building is served bytracks along each side, allowing material to be un-loaded and the manufactured articles to be loadedwith ease. The designs of the principal signs and posts areillustrated in the accompanying drawings. The rightof way fence posts are of the tapered T-section type8 ft. long. The flange is 61/2 in. wide and 11/2 at the bottom and 4I/2 in. wide and 1 in. thickat the top, while the stem is 6I/2 in. deep and 2% in. 198 THE TIIACKMANS HELPER thick at the base, tapering to 2l^ in. deep and 1% at the top. The reinforcement consists of threepieces of i/4-in. round bars 7 ft. 6 in. long, one barbeing placed in each corner of the post. The linewire is attached to these posts by No. 7 soft steel tiewires, wrapped three times around the line wire oneach side of the flange of the post. These wires are. Property Line Post Station Whistle Post. MlL£PoST. Fig. 37. Details of Concrete Sign Posts pulled tight to bite into the corners of the posts, thuspreventing slipping. The corner posts are 6 in. square and 8 ft. 1% i^^- deep are cast 6 in. from the top and3 ft. 6 in. from the bottom of these posts in whichthe diagonal corner post braces are set, and a slot2 in. by 4 in. is provided through the post 6 in. fromthe bottom, into which short anchor bars can be BUILDING FENOES 199 placed at right angles to the fence line. All cornerson these posts are rounded off to a % in. radius. Thereinforcement consists of four 14 ^^ round bars 7 in. long. Five of these posts are placed at eachcorner on 7 ft. 6 in. centers, thoroughly braced andtied. The braces used with these corner posts are 8ft. 2% in. long and 4 in. square, with mitered endsto fit into the notches provided in the corner
Size: 1801px × 1388px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1910, bookidtrackmanshelperh01kind
