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8. December 13. To Thomas J. Hill, to repair his wharf on the westerly side of Providence Harbor opposite Henderson street in the city of Providence.

DRAW-BRIDGES.

The Commissioners renew their suggestion that further legislation is needed to regulate the times for opening draw-bridges and as to blocking the approaches to draws.

LIGHT HOUSES.

During the year 1882, the United States Government has erected a new Light House on Whale Rock. A tower in the form of the frugtum of a cone, standing on a pier. The tower is white, the pier red, and the lantern black. A fixed red light, forty-three feet from the ground, is established, visible fourteen miles. The fog signal is a bell struck by machinery giving one blow at intervals of twenty seconds.

A new Light House has also been constructed on Old Gay Rock in Wickford harbor. A square tower is attached to a dwelling standing on a pier. The tower is white, the pier red, and the lantern black. A fixed white light, forty-two feet from the ground, is established, visible twelve miles. During thick and foggy weather a bell struck by machinery will be sounded, giving one blow at intervals of twenty seconds. The old light house on Poplar Point is not now lighted. It is S. W. by W. one-seventh of a mile from the new station.

A new tower has been erected for the Conimicut Light. It is a round white tower, fifty-feet high, standing upon a red pier, with a black lantern. The fog-signal is a bell struck by machinery, one blow every fifteen seconds. The light-ship which had been moored near there was removed on the thirteenth of December and the light in the tower was reëstablished.

APPENDIX.

Valuable information relating to the interests intrusted to this Commission will be found in the appendix to this report.

Respectfully submitted,

J. HERBERT SHEDD,
JEDEDIAH WILLIAMS,
LUCIUS B. DARLING,

Harbor Commissioners.

APPENDIX.

ABSTRACT FROM REPORT OF GENERAL G. K. WARREN TO CHIEF

OF ENGINEERS, U. S. A., FOR 1882.

Improrement of Punctucket (Seekonk) River, Rhode Island.

The project, so far as adopted and improved, is completed. There is an unexpended balance of $529.58 which still remains for contingencies. No expenditure in the fiscal year ending June 30, 1882.

The mouth of this river is obstructed by two bridges, with badly ai ranged draws. Several efforts to remove these obstructions have been made by the local and State authorities, but as yet with no definite result.

No appropriations for this improvement have been made since 1873. No appropriation is asked for fiscal year ending June 30, 1884.

MONEY STATEMENT.

July 1, 1881, amount available.....
July 1, 1882, amount available.....

$529 58 5:29 58

Improcement of Providence Ricer and Narragansett Bay, Rhode Island.

At the date of the last annual report the Atlantic Dredging Company were at work dredging under contract dated August 25, 1880. Work on this contract was coumenced in March, and it was completed July 30, 1881; 322,140 cubic yards of material were removed.

This dredging increased the width of the 20-foot channel previously made between Harbor Junction Pier and Field's Point from 300 to 450 feet, except at the Point of Long Bed, where hard material that could not be dug by a clam-shell machine was found at a depth of 16 feet at mean low water. An additional cut was also made on the west side of the 20-foot channel, between Harbor Junction Pier and Hill's Wharf.

At the time of the completion of this contract there was a least width in the 20-foot channel of 450 feet, except at the Point of Long Bed, where it was but 400 feet wide.

Congress, by act approved March 3, 1881, appropriated $60,000 for continuing this improvement. It was decided to expend this money in increasing the width of channels 12 feet deep at mean low water, so as to afford better anchorage for the smaller class of vessels, and thus keep the main channel free. When tenders were asked, however, only one company bid, and they made the offer to dredge to 12 feet depth for 19 cents per yard, and to make a depth of 14 feet for 17 cents per yard. The adopted project called for a width of 940 feet of 12 feet depth, and a width of 725 feet of 18 feet depth. It was clearly in the interest of the economical prosecution of the work to accept both prices and make a depth of 14 feet over that part that the project called for 18 feet, and then expend what money remained in making 12 feet.

Work on this contract was commenced August 1, 1881, and prosecuted up to April 26, 1882, when the available funds were exhausted. A depth of 14 feet was made on the west side of the channel, below Hill's Wharf, for a width of 100 feet. The lower end of Green Jacket Shoal was taken off for a width of 250 feet to a depth of 14 feet, and the east side of the channel below Wilkesbarre Pier was widened 200 feet, with a depth of 14 feet. The 12-foot depth made was confined to the west side of the channel below Hill's Wharf, where, commencing on the west side of the 14-foot cuts, it was extended 120 feet farther west, running down river about two-thirds of the distance to Harbor Junction Pier.

The total number of yards removed under contract dated July 8, 1381, was 322,255.2.

This improvement is under the superintendence of Assistant Engineer H. A. Bentley.

Under date of March 17, 1882, the following resolution was passed in Senate of the United States:

Resolved by the Senate of the United Stutes, That the Secretary of War is hereby directed to transmit to the Senate estimates of the cost of increasing the depth of the main ship-channel of Providence River and harbor to 25 feet, with 300 feet in width at mean low water; also to report what portion of the estimated cost of said improvement can be expended to advantage during the next fiscal year.

In obedience to this resolution, a report was submitted by me March 24, which was transmitted to Congress and printed as Senate Ex. Doc. No. 145, FortySeventh Congress, first session. It is appended to this report.

The cost of making a channel 300 feet wide and 25 feet deep at mean low water over and

above that of making a channel with a depth in the centre of 23 feet, gradually shoaling

to a depth of 6 feet as provided for in the adopted project of 1878, was estimated at.... $175,000 To complete project of 1878 still required...

270,000

Total cost of entire improvement..

$145,000

The appropriation of $125,000 made by act of Congress August 2, 1882, will be expended during the fiscal year June 30, 1883, in making the channel 25 feet deep at mean low water to as great an extent as the money will pay for.

MONEY STATEMENT.

$85,412 58

July 1, 1881, amount available.....
July 1, 1882, amount expended during fiscal year, exclusive of outstanding liabilities
July 1, 1881......

81,948 09

July 1, 1882, amount available.....
Amount appropriated by act passed August 2, 1882..

$3,464 49 125,000 00

Amount available for tiscal year ending June 30, 1883.........

$128,464 49

Amount (estimated) required for completion of existing project......
Amount that can be profitably expended in tiscal year ending June 30, 1887.

$320,000 00

200,000 00

SPECIAL REPORT ON IMPROVEMENT OF PROVIDENCE RIVER AND HARBOR,

RHODE ISLAND.

ocean.

ENGINEER OFFICE, UNITED STATES ARMY,

Newport, R. I., March 24, 1882. GENERAL: I have the honor to submit the following report, as directed by you under date of March 22, 1882, upon the cost of making a channel 300 feet wide and 25 feet deep at mean low water, from deep-water in Narragansett Bay to Fox Point, Providence, R. I.

(1.) The project upon which we have been working is to make a channel 23 feet deep at mean low-water and a width of 200 feet from Field's Point to the

This has been completed with the exception of the removal of about 25,000 cubic yards at Gaspee Shoal, where there is a least depth of 21 feet at mean low-water.

(2.) The space between Field's Point and Fox Point the plan contemplates making a harbor of, of the following proportions: Of a least depth of 23 feet, 150 feet wide. Of a least depth of 20 feet, 600 feet wide. Of a least depth of 18 feet, 725 feet wide. Of a least depth of 12 feet, 940 feet wide. Of a least depth of 6 feet, 1,060 feet wide.

Of this second part the channel of 20 feet depth has been completed to a least width of 450 feet, in some places 500 feet; and from 12 to 14 feet depth has been made in a portion of it for a width of 840 feet.

There has been appropriated, and nearly expended, $230,000, leaving $270,000 of the estimate for completing the foregoing plan.

To now enlarge the project so as to secure a mean low-water depth of 25 feet and width of 300 feet from Fox Point wharf to the ocean will require the dredging of the following additional amounts, not before included:

Between Fox Point and Field's Point....
Between Field's Point and Pawtuxet Shoal...
At Pawtuxet Shoal, about 2 miles below Field's Point..
At Gaspee Shoal, about 1 mile below Pawtuxet Shoal...

Cubic yards.

265,000 125,000 235,000 165,000

790,000

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