. Railroad structures and estimates . r square foot (concretefloor) or $ to $ per running foot (concrete floor), or 5 to7 cents per cubic foot (concrete floor). Fig. 56 illustrates a 40 feet wide shed, 14 feet high, without plat-forms, with two inner rows of posts at 16-foot centers either roof joists towards the track side are cantilevered out 8 feetand carry the doors and lights over. With this arrangement, andthe doors hung on a double trolley track, so that they slide pasteach other, there are no posts to interfere with car doors, andtruck platforms are not necessary. The
. Railroad structures and estimates . r square foot (concretefloor) or $ to $ per running foot (concrete floor), or 5 to7 cents per cubic foot (concrete floor). Fig. 56 illustrates a 40 feet wide shed, 14 feet high, without plat-forms, with two inner rows of posts at 16-foot centers either roof joists towards the track side are cantilevered out 8 feetand carry the doors and lights over. With this arrangement, andthe doors hung on a double trolley track, so that they slide pasteach other, there are no posts to interfere with car doors, andtruck platforms are not necessary. The balance of the construc-tion is shown on the sketch. Approximate cost complete. — $ to $ per square foot(concrete floor), or $48 to $60 per running foot, or 6£ to 9 centsper cubic foot. FREIGHT SHEDS. 105 Fig. 57 illustrates a 52 feet wide freight shed with platformsboth sides, wood floor and overhanging roofs. The front postsare 8 X 10 at 8-foot centers, the inner posts 8 X 10 at 16-foot JjJ&OBoards Tar ^ Gravel Roof. ^fa8 x 8 Fender % Plank Tar
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Keywords: ., bookauthororrockjohnwilson1870, bookcentury1900, bookdecade1900
