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Estimate.

Earth excavation, $0.25 per $104,733 90 c $16,618 35

cu. yd.; rock excavation,
$1.00 per cu. yd.; brick
masonry in Am. cem. mor-
tar, $11.92 percu. yd.; Am.
cem. concrete, $3.80 per
cu. yd.; Portland cem. con-
crete, $5.00 per cu. yd.

Earth excavation, $0.25 per
cu. yd.; rock excavation,
$1.00 per cu. yd.; brick
masonry in Am.cem. mor-
tar, $11.92 percu. yd.; Am.
cem. concrete, $3.80 per
cu. yd.; Portland cem. con-
crete, $5.00 per cu. yd.
Earth excavation, $0.24 per
cu. yd.; rock excavation,
$0.90 per cu. yd.; brick
masonry in Am. cem. mor.
tar, $11.92 percu. yd.; Am.
cem. concrete, $3.80 per
cu. yd.; Portland cem. con.
crete, $5.00 per cu. yd.
Earth excavation, $0.25 per
cu. yd.; rock excavation,
$1.25 per cu. yd.; brick
masonry in Am. cem. mor-
tar, $12.00 per cu. yd.; Am.
cem. concrete, $3.80 per
cu. yd.; Portland cem. con-
crete, $5.00 per cu. yd.
Ashlar masonry, $17.68 per
cu. yd.; voussoir masonry,
$31.43 per cu. yd.; cut
stone masonry, $27.75 per
cu. yd.; Portland cem.con-
crete, $6.24 per cu. yd.;
Am. cem. concrete, 5 parts
stone, 2 parts sand, 1 part
cem., $4.19 per cu. yd.;
Am cem.concrete, 6 parts
stone, 3 parts sand, 1 part
cem., $3.95 per cu. yd.
Earth excavation, $0.27 per
cu. yd.; rock excavation,
$1.25 per cu. yd.; brick ma-
sonry, $12.00 per cu. yd.;
Am. cem. concrete, $3.75
per cu. yd.; Portland cem.
concrete, $4.90 per cu. yd.
Earth excavation, $0.27 per
cu. yd.; rock excavation,
$1.50 per cu.yd.; brick ma-
sonry, $12.00 per cu. yd.;
Am. cem. concrete, $3.75
per cu. yd.; Portland cem.
concrete, $4.90 per cu. yd.
Earth excavation, $0.18 per
cu.yd.; Am.cem.concrete,
$5.00 per cu. yd.; split
stone masonry and paving
laid in mortar, $18.00 per
cu. yd.

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Dec. 27, '95, Dec. 1, '96, Dec. 28, '96, Straight pipe, $21.65 per ton $274,166 23a $274,166 23

of 2,000 pounds; special
castings, $21.65 per ton of
2,000 pounds, delivered at
the pipe yards.

Mar. 10, '96, Dec. 1, '96, Nov. 7, '96, Straight pipe, $19.90 per ton

of 2,000 pounds; special
castings, $45.00 per ton of
2,000 pounds, delivered at
the pipe yards.

Mar. 10, '96, Aug. 1, '96, Nov. 7, '96, Straight pipe, $19.90 per ton

of 2,000 pounds; special
castings, $45.00 per ton of
2,000 pounds, delivered at
the pipe yards.

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Mar. 17, '96, Dec. 1, '96, Dec. 5, '96, Straight pipe, $19.90 per ton

Mar. 23, '96, Dec. 15, '96,

Aug. 12, '96, Nov. 15, '96,

of 2,000 pounds, delivered
at the pipe yards.

Straight pipe, $19.90 per ton
of 2,000 pounds, delivered
at the pipe yards.

30-inch pipe, $18.40 per ton
of 2,000 pounds; 20 and 16
inch pipe, $18.90 per ton
of 2,000 pounds, delivered
at the pipe yards.

Aug. 12, '96, Nov. 15, '96, Dec. 24, '96, Special castings, $39.50 per

ton of 2,000 pounds, deliv.
ered at the pipe yards.

Sept. 9, '96, Dec. 15, '96, Dec. 23, '96, Straight pipe, $17.85 per ton

of 2,000 pounds, delivered
at the pipe yards.

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† No bids were received on these contracts; they were made at the prices fixed by the bids for contracts Nos. 6 and 44.

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18* Laying 20,000 lin. ft. of 48inch pipes in Brookline and Brighton (Section 2). 29 Laying 4,400 lin. ft. of 24inch and 9,700 feet of 20-inch water pipes in Malden, Everett, Chelsea and Revere (Section 15). Laying 11,500 lin. ft. of 48. inch and 1,500 feet of 36inch water pipes in Malden, Melrose and Stoneham (sections 7 and 13); also laying 1,500 feet of 48-inch water pipes under a modification of the contract.

Laying 18,300 lin. ft. of 48. inch water pipes in Cambridge and Somerville (sections 4 and 11).

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April 27, '96, Sept. 1, '96, Oct. 13, '96, Laying 48-inch pipe, $1.73

per lin. ft.; rock excava-
tion, $1.50 per cu. yd.

June 11, '96, Sept. 15, '96, Nov. 11, '96, Laying 24-inch pipe, $0.83

June 10, '96, Nov. 1, '96,

per lin. ft.; laying 20-inch
pipe, $0.73 per lin. ft.

Laying 48-inch pipe, $1.92
per lin. ft.; rock excava-
tion, $3.00 per cu. yd.; lay.
ing 36-inch pipe, $1.38 per
lin. ft.; laying 48-inch pipe
under modification of con-
tract, $2.42 per lin. ft.

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May 26, '96, July 26, '96, Aug. '19, 96, $42.64 per set,
May 18, '96, July 18, '96, Aug. 19, '96, $1.37 per pound,.

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$470 per valve,

$9,400 00 c

$1,880 00

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24-inch valves, $197.00; 20-
inch, $141.00; 16-inch,
$74.00; 12-inch, $55.00.
Price of bridge complete,
$2,497.

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