. Railroad structures and estimates . DETAIL AT PANEL DETAIL AT DOOR Fig. 110. Watchmans Cabin. Tower for Crossing Gates. — The C. P. R. standard towerfor crossing gates is illustrated. Fig. Ill, and consists of fourold steel rails bent and shaped so as to form a solid post on whichthe small frame enclosure is set. The rail post is supportedon an 8-ft. square slab of concrete, tapering to about 3 ft. squareat the ground line. The frame house on top of the tower ismade up of 4 X 6 joists, 2 X 4 wall plates, 2 X 4 roof 296 TOWER FOR CROSSING GATES. joists and |-in. sheathing and Uning for the wa
. Railroad structures and estimates . DETAIL AT PANEL DETAIL AT DOOR Fig. 110. Watchmans Cabin. Tower for Crossing Gates. — The C. P. R. standard towerfor crossing gates is illustrated. Fig. Ill, and consists of fourold steel rails bent and shaped so as to form a solid post on whichthe small frame enclosure is set. The rail post is supportedon an 8-ft. square slab of concrete, tapering to about 3 ft. squareat the ground line. The frame house on top of the tower ismade up of 4 X 6 joists, 2 X 4 wall plates, 2 X 4 roof 296 TOWER FOR CROSSING GATES. joists and |-in. sheathing and Uning for the wall and roof cover-ing; the roof is finished with asbestos shingles. A trap doorand an ordinary signal tower ladder is provided including acast iron smoke stack. The estimated cost of this tower complete is $ DETAIL OF RAIL CONNECTIONTO FRAMING To be fiUol with hoe eooereteafter cols^ is in plaee. FOUNDATION PLAN Rirete v 0 Fig. 111. C. P. R. Tower for Crossing Gates. Cost of Installing Gates and Tower. — The estimated cost ofinstalling the above tower including the gates as shown on page291 is about 81400. detailed as follows: TRACK SIGNS. 297 Gate stands, deflecting boxes and lever machine $ Piping 1-in. and 2-in. bolts, washers, etc., for gate stands. Tower complete Miscellaneous, including stove, pipes and 85. 00 Pine carriers 30. 00 Labor $ Supervision and contingencies, about 10 per cent 110. 00 Total $ N. P. Ry., two post tower, Fig. 112, consists of two 10 X 12posts set on 6 X 8 X 9 ties, 6 ft, underground. The postsare braced laterally below the ground line with 6 X 6 and6 X 8 timbers bolted together. The cross sills on top of theposts are 8 X 8 and the braces 6 X 6; the floor sills are also6 X 6 and the studding, wall plat
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