Sessional Papers Volume 10

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1880 Excerpt: ...plank, laid cross-wise, one inch apart, and fastened at the ends, and at every crossing of a stringer, with seven inch pressed spikes. Mooring Posts. Are to be placed 30 feet apart, of white oak timber, 10 feet long, 16 inches diameter, properly dressed, and arranged, so as to stand 18 inches over the top covering. They are to be notched at bottom, so as to receive cross-pieces, five feet long, be secured to the cross-ties with screw bolts, of inch round iron, and must have the ballast around them well packed. The outer faces of the superstructure from the top of low water line must be hewn down neally, to lines corresponding to the position of the work, and everything done that is necessary to leave the whole in a finished and satisfactory condition. The lower end of the pier, at the corners, for 10 feet each way, must be sheeted with four-inch tamarac plank, extending from the top downwards, to four feet under low water line. Plank to be fastened with nine-inch pressed spikes, and further secured with straps, three inches wide, by half an inch thick, of wrought iron, placed not more than three feet apart vertically. The straps are to be punched at every 12 inches, and the holes countersunk to receive the heads of the fastening bolts, which are to be three-fourths of an inch diameter, and 10 inches long. At the upper end of the second lock, on the south side, a guide pier about 800 feet in length and 30 feet in width, connected with the wing wail of the lock, embankment and dam, will be built, of a like class of timber and workmanship, secured with bolts, planked on top, and ballasted in like manner, as described for the pier, at the lower entrance, except that for about 400 feet at the upper end, the cribs are to be 30 feet long, and placed six feet apart...