and directions of the Common Council, as to the times and places of building new sewers, and to the general plan which has been, or may be adopted for the sewerage and drainage of the city. They shall be responsible for the supply of water, and the good order and security of all the works, from the Croton lake to the city, inclusive, for the exactness and durability of the structures which may be erected, and of the daily work to be performed, and for the sufficiency of the supply in the pipe yard to meet every casualty, and for the fidelity, care and attention of all persons employed by the department in watching the works, and in making constructions and repairs; and shall inspect thoroughly the interior of the aqueduct, and make the necessary repairs at least twice in each year.

§ 351. There shall be two bureaux in the Croton Aqueduct Department:

1. A bureau for the collection of the revenue derived from the sale of the Croton water, to be called the Bureau of Water Rents;

2. A bureau for the superintendence of the laying and repairing of the water pipes, and for the construction, repairing and cleaning of the sewers and underground drains, to be called the Bureau of Pipes and Sewers.

ARTICLE II.

OF THE CROTON AQUEDUCT BOARD.

§ 352. The chief officers of the Croton Aqueduct Board shall be called the President, Engineer and Assistant Commissioner.

§ 353. The mode of their appointment, the tenure of their office, their qualifications, their powers and duties, and the manner of removing them from office and of filling vacancies in their respective offices, are prescribed by the act to amend the charter of the city of New York, passed April 2, 1849, and by the act to create the Croton Aqueduct Department in the city of New York, passed April 11, 1849.

354. All contracts for materials or work for the Croton aqueduct, or for the construction, re

pair or cleansing of sewers and underground drains, shall be made by the Croton Aqueduct Board, and bonds for the faithful performance thereof, shall be taken and approved by them.

§ 355. All moneys payable by the Corporation, for the performance of the contracts mentioned in the last section, or for work done by authority of the Croton Aqueduct Department, and all bills or accounts for the salaries of the officers and men attached thereto, and for blank books, paper and contingencies of the Department, shall be paid by the warrant of the Comptroller, upon the requisition of the Croton Aqueduct Board, against the appropriation applicable thereto; and all such contracts and accounts shall be kept and filed in the office of the Croton Aqueduct Board.

§ 356. No new works connected with the Croton aqueduct, shall be constructed, nor shall any mains or pipes be purchased or laid down, or new sewers constructed, except with the authority of the Common Council; and except, also, that in case of any unexpected casualty or damage to the

pipes, reservoirs or other structures connected with the aqueduct, the Croton Aqueduct Board shall take immediate measures for the preservation and repair of the same, the expense of which shall be paid, on their requisition, by the warrant of the Comptroller.

§ 357. All sewers and drains in any of the streets, avenues or public places in the city, shall be under the charge of the Croton Aqueduct Board, who shall keep the same in good order and condition, and clean and free from obstructions; and shall cause such repairs to be made to them and to the receiving basins, culverts and openings connected therewith, as may from time to time become necessary.

§ 358. The Croton Aqueduct Board shall prescribe the mode of piercing or opening any of the sewers or drains, and the form, size and material of which connections made therewith shall be composed.

§ 359. They may, with the consent of the Street Commissioner, grant permission to persons to con

struct, at their own expense, sewers or drains, or to lay pipes to connect with any sewers or drains built in any of the streets or avenues in the city, on being furnished with the written consent of the owners of a majority of the property upon the street through which such sewer, drain or pipe is to pass; but such permission shall not be granted, except upon the agreement, in writing, of the persons applying therefor, that they shall comply with the ordinances in relation to excavating the streets; that they will indemnify the Corporation for any damages or costs to which they may be put by reason of injuries resulting from neglect or carelessness in performing the work so permitted, and that no claim will be made by them or their successors in interest against the Corporation, if the work so permitted be taken up by authority of the Common Council, or for exemption from an assessment lawfully imposed for constructing sewers or drains in the same vicinity; and upon the further condition that the Common Council may at any time revoke such permission and direct such sewers, drains or pipes to be taken up or removed.