2 pieces coping for breast of lock, 16 ft. 10 by 8—18 ft. 2 fender timbers white pine, 36 ft. 12 by 12=62 ft. at 8 c. 576 2 26 ft. 8 by 10-29 ft. at 8 c. 515 feet, b. m. 2 inch pine plank for fender,..... at $7 Carpenter work on fender, Total estimate of fender at head of lock, 2 32 3.60 600 $20 68 Amount brought forward from table,... 5,500 ft. b. m. 2 inch pine siding for chamber,.. at § 7, "coping for plate,.... at 800 แ 5,000 "white oak tongue slips, atc.,.... $106 61 38 50 5 60 12 50 385 9.00 150 00 General Statement. $326 06 Excavation of lock pits, averaged at 800 c. yds., at 15 c., 8120 00 215 cubic yds. of masonry, laid in hydraulic cement at head of lock,.. at $2.75, $591 25 834 c. yds. dry wall masonry,... at 1.65, 1,376 10 Chamber as per above estimate, 1,967 35 Sluices to pass water around lock, Cost of a lock of 10 feet lift,.... 120 c. yds. slope wall, to protect bank from washing below lock, at 80 c.,....... 326 06 96 00 122 00 $3,700 79 (D.) Estimate for aqueduct with wood trunk, Rochester and Olean canal. 21 feet wide on bottom, and 22 feet on top. dation 6 feet below Piers 22 feet apart in the clear. For aqueduct of 3 spaces, with top of founbottom of trunk timber, or 71 feet below bottom of canal. Breadth in inches. Dept. in inches. Kind of timber. Where used. Quantity in board measure. 10 8 8 8 8 [pine, Abutments to piers 21 centre to centre, do Pier to pier, 24 centre to centre,. do Abutments, intermediate timbers, 10,512 do Wings and 4 35 12 12 4 35 9 9 do Lower, timber for fenders, ......... 960 8 5 6 9 do Post for fender timbers, 180 Board measure. Price per 1,000 feet. 30,048 $7.00 $210 34 Amount. Amount brought forward from table,.... $210 34 13,000 feet board measure, 2 inch pine plank, for foundation, at 87,...... .. $91 00 Allowed 10 per cent for waste on plank, in quantity. 4,400 feet board measure, 2 inch pine plank, for sheet piling, 4 feet at upper end, and 6 feet long at lower end of foundation, $7,........ Allowed 10 per cent for waste on plank, in quantity. 121 80 2,000 feet b. m. pine boards for lining in rear of abutments, at $7,. 1,500 feet b. m. 2 inch pine plank for wing fenders, 10 per cent allowed for waste, at $7,... 10 50 14.00 125.00 300 00 Total cost of timber and plank for foundation & fenders, $356 64 Carpenter work on foundation and fenders,..... Excavation of pit for foundation estimated at,. 443 cubic yards of masonry, in two abutments and four wings, walls laid in hydraulic cement, at $2.75,..... 132 do. do. do. in 2 piers, at $2.75,... $1,218 25 363 00 82 feet of trunk, lineal measure, at $7, 1,581 25 574 00 $2,936 89 feet b. m. at $7, . . . . . . . To add one pier will increase the expense as follows: 23 sticks foundation timber 34 feet long, 8 by 10, 5,256 Work putting down foundation,..... 600 feet b. m. 2 inch pine plank for sheet piling, 10 per cent allowed for waste, at $7,.... Excavation for foundation estimated at, 3,000 feet b. m. 2 inch pine plank for foundation, 10 per cent allowed for waste, at $7,........ 36 79 21.00 4.20 70.00 20.00 66 cubic yards masonry in pier, at $2.75,... Total increased for one stretch,.... $515 49 If the foundation is 7 feet below bottom of trunk timber, or 81 below bottom of canal, the 2 abutments and 4 wings contain 491 cubic yards of masonry, and the pier 73 cubic yards. If 8 feet below trunk, abutment and wings, 538 cubic yds. pier 80 cubic yds, |