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. 1888 edition. Excerpt: ...Dimensions of new work: Length, 91 feet; height, 4 feet; width, 12 feet. Dam.--Old defective step-sheeting was removed and 32 new pieces placed. All old sheeting was respiked. Dredging.--From the lower entrance 310 cubic yards of solid rock were removed and H41 cubic yards of deposit. There was no suspension ...
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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. 1888 edition. Excerpt: ...Dimensions of new work: Length, 91 feet; height, 4 feet; width, 12 feet. Dam.--Old defective step-sheeting was removed and 32 new pieces placed. All old sheeting was respiked. Dredging.--From the lower entrance 310 cubic yards of solid rock were removed and H41 cubic yards of deposit. There was no suspension of navigation at this lock. Lowest readiugof the gauge on lower miter-sill 5 feet, August 22; highest, March 31, 21 feet. Project of work for the fiscal year ending June 30, 1889.--Raising extension of the abutment below tho dam. Repairing coping of lock-walls. Constructing one single house for lock-keeper. Grading and repairing bank behind lock-wall. Dredging lock entrances. Lock No. 3. Eipeuded of oak timber in cribbing. Placed riprap stone in wall Placed stone as backing to the same..linearfeet.. 10,480 cubic yards.. 1,574 do.... 535 Lock No. 4. Repairing look-wall.--Removed 43 cubic yards of defective coping-stone; act 39 cubic yards of new coping, and used 36 cubic yards of concrore filling. Upper shore guide wall.--This wall was raised 27 inches above top of the lock-wall, and an extension added 86 feet in length, 12 feet high, and 7 feet wide. Dimension of old wall raised: Length, 148 feet; width, 12 feet. Material expended: Oak timber linear feet.. 2,068 Riprapstoue cubic yards.. 2,905 Spikes pounds.. 1,560 In filling in bottom wall and bank the following material was used: Stoue '. cubic yards.. 279 Clay do 485 Brush do.... 60 Upper river guide-wall.--This was raised 18 inches to bring it to an elevation of 27 inches above the top of the lock-wall. Dimensions: Length, 51 feet; width, 12 feet. The following materials were expended: Oak timber linear feet.. 222 Riprap stone cubic yards.. 110 Spikes pounds., lfiu Lower river...
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