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( G.) Estimates for Waste-Weir, Rochester and Olean Canal.

Abutments of Masonry.

[Assem. No. 42.]

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$31 83

22 50 14 40

Amount brought forward from the table, 2,500 feet, b. m. 2 inch pine plank for foundation, and piling,

at $9, 1,200 feet 1 inch pine boards for lining, ....... at 12, 400 feet 3 inch plank in bridges and platform, to

hoist gate, ... 200 feet 14 inch plank in bridges and platform, to hoist gate, 600 feet, .......

at $12, 100 feet 2 inch pine plank for gates, .......... at

at 12,

7 20 I 20

$77 13 Carpenter work,....

28 00 Excavation of pit for foundation, ...

14 87 46 cubic yds. of masonry in hydraulic cement, at $2 50, 115 00

$235 00

( A. )

Estimate of the cost of composite lock, 10 feet lift.

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Amount brought forward from table....

$262 56 1,500 feet b. m. 2 in. pine plank, for sheet piling, 3 rows 6 feet deep,

at $7, 10 50 800 feet 1 in. pine boards for lining do., ........ at 7, 5 00 15,000 feet b. m. 3 in. pine plank for foundation, at 7, 105 00 3,200

2

for lining cham

ber, at 9, 28 80 210 3 "

coping to breast

wall, at 7, 1 47 300

per mitre sill, at 7, 2 10
500
2 «

wings at head
of lock, at 7,

3 50

found'n to up

$419 53

15 69

Allow. 10 per cent waste on $156.97,

$435 22

4 wing posts at head of lock 10 ft. 12 by 10 – 34 c. ft.

5 st. 10 by 9 13 4 guides,

9 ft. 9 by 8 18

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equal to 780 ft. b. m., at $7, 5 46 Work putting down foundation, including spikes for sheet piling,

100 00 Total estimate for foundation,...... $540 68

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