1778 LAWS OF MARYLAND. [CH. 1017

plans upon which to make an adequate cost estimate of the
proposed construction or extension, together with conservative
estimates in writing of the revenues to be expected therefrom
by assessments and charges of any kind authorized by this
Act. Such plans and estimates shall accompany his written
recommendations and shall be filed by him in the office of the
Commissioners. If said plans and estimates fail to show that
the proposed new construction or extension will be financially
self-supporting within a reasonable time after completion, the
Commissioners shall not order the construction of said new
lines or extensions, unless property owners requesting them
shall finance their cost upon a basis that will make them a
permanently self-supporting part of the Metropolitan District.
The requirement that a project be financially self-supporting
shall not apply to any exercise by the Commissioners of the
general powers and authority to establish, construct and main-
tain facilities conferred upon them by Section 329, provided
the Chief Sanitary Engineer finds that: (a) the cost or expense
involved in the exercise of such power and authority is not
readily or fairly susceptible of allocation among property
owners in the affected area in accordance with the terms of
Section 335, and (b) the exercise of such power and authority
is for a purpose necessary and useful to the operation or
maintenance of a water system, sewer system, or part thereof,
constructed or to be constructed in the Baltimore County
Metropolitan District.

SEC. 3. And be it further enacted, That Section 331 of Arti-
cle 3 of the Code of Public Local Laws of Maryland (1930
Edition), title "Baltimore County", sub-title "Health and
Sanitation" (Metropolitan District), be and the same is here-
by repealed and re-enacted, with amendments, to read as fol-
lows:

331. Plans for extensions of ater supply lines by the Com-
missioners in the Metropolitan District shall be submitted to
the Chief Engineer of Baltimore City for approval. The work
shall be subject to inspection by a representative of the Mayor
and City Council of Baltimore. The proper authorities of Bal-
timore City are hereby empowered, authorized and directed to
make installations of water supply service pipes from the water
mains to the curb line or, lacking such limit at the time of in-
stallation, to a corresponding appropriate location within the
public way, whenever and wherever requested in writing by
any individual, firm or corporation owning property within the
Metropolitan District, provided such individual, firm or cor-
poration shall, before said work shall be done, deposit with the
City of Baltimore a. sufficient sum of money, to cover the cost
of such installation, including the cost of a meter of a make