SCHEDULE No. 22.

The following table exhibits the yearly revenue derived from Croton Water, as collected by the Department, from its introduction into the city, in 1842, with the annual increase or decrease thereof.

† Under the operation of the laws of 1819.

A reduction in the rents, equal to about 10 per cent., was made this year.

SCHEDULE No. 23.

The following TABLE exhibits the yearly revenue derived from permits to connect premises with the public sewers, as collected by this department; also, the yearly expenditures for cleaning, repairing and re-building the sewers and their appurtenances.

APPENDIX.

No. 1.

CROTON AQUEDUCT DEPARTMENT.

NEW RESERVOIR.

SPECIFICATION

FOR BUILDING GATE-HOUSES AND AQUEDUCT FOR THE NEW RESERVOIR, OF HYDRAULIC MASONRY.

Sealed proposals for this work, endorsed “Proposals for Gate-houses, &c., for New Reservoir," will be received at the office of the Croton Aqueduct Department, until 12 o'clock, M., on the 23d day of October, 1858, at which hour the bids will be publicly opened and read, and the award of the contract made.

The time allowed for the completion of the work, is to the first day of October, 1859, and a penalty of fifty dollars per day, as liquidated damages, will be exacted for each day the work may be uncompleted, after the said time has expired, Sundays and holidays only to be excepted.

Persons bidding or estimators are required to state in their bids or proposals, under oath, their names and places of residence; the names of all persons interested with them, and if no other person be so interested, they shall distinctly state the fact; also, that it is made without any connection with any other person making any bid or proposal for the above work; and that it is in all respects fair, and without collusion or fraud; and also, that no member of the Common Council, head of a department, chief of a bureau, deputy thereof or clerk therein, or other

officer of the Corporation, is directly or indirectly interested therein, or in the supplies of work to which it relates, or in any portion of the profits thereof.

Each bid or estimate shall be accompanied by the consent, in writing, of two householders or freeholders of the city of New York, with their respective places of business or residence, to the effect that if the contract be awarded to the person or persons making the estimate, they will on its being so awarded, become bound as his or their sureties for its faithful performance; and that if he shall omit or refuse to execute the same, they will pay to the Corporation of the city of New York any difference between the sum to which he would be entitled on its completion, and that which the Corporation may be obliged to pay to any higher bidder to whom the contract may be awarded at any subsequent letting; the consent above mentioned shall be accompanied by the oath, in writing, of the persons signing the same, taken before a Judge of any Court of Record in this county, that each is a householder or freeholder in the city of New York, and is worth the amount of the security required for the above work, over and above all his debts, of every nature, and over and above his liabilities as bail, or security, or otherwise; that he has offered himself as surety in good faith, and with an intention to execute the bond required by section 506 of the ordinance organizing the municipal government of the city of New York, and prescribing their powers and duties. The adequacy and sufficiency of the sureties offered to be determined by the Comptroller.

Bidders will state the price in the following proposals for each separate item of the work to be done, by which the bids will be tested. These prices are to cover the expense of furnishing all the necessary materials and labor, and the performance of all the work set forth in the agreement.

The Engineer's estimate of work to be done is as follows:

A. 9,560 cubic yards of concrete masonry.

B. 1,343 cubic yards of brick masonry, in arches of more than five feet diameter, supported by centering.

C. 2,800 cubic yards of all other brick masonry.

D. 1,370 cubic yards of rubble range masonry.

E.

2,575 cubic yards of cut range masonry.

F.

889 cubic yards of dimension cut stone masonry.

G.

3,061 square feet of cutting of grooves of cut stone masonry.