No proposed street or part thereof shall be accepted by the
City until there has been submitted to the City Council a report by
the City Planning Board and the Director of Public Works that there
is a public need for such street and that said street shall conform
in a harmonious relationship to the future development of the City.
No street shall be accepted by the City Council until the person
or persons requesting the acceptance pay the total cost of the initial
improvement of grading and graveling the street to a cross section
and grade approved by the Director of Public Works and guarantee to
reimburse the City for such costs within such time as the Council
shall limit and post a corporate bond certified by the City Solicitor
as valid and enforceable by the City, in the amount and with surety
satisfactory to the City Council.
Applications by the owner or his authorized representative for
the acceptance of a street by the City shall be made, in writing,
to the City Council, along with a plan of the street. The plan of
the street shall be such as to meet the minimum requirements as detailed
herein and shall be approved by the Director of Public Works.
The street or streets on any plan submitted shall have satisfactory
access to an existing public street or public highway, with no reserve
strips controlling this access, except where the control of such strips
is definitely placed in the authority of the City under conditions
approved by the City Council.
Wherever necessary to permit the construction of curbs having
a minimum radius of 25 feet at the street corners without curtailing
the sidewalk to less than normal width, the property line at such
street corner shall be rounded or otherwise set back sufficiently
to permit such construction. Normally, the radius of the property
line shall be not less than 10 feet. Larger radii may be required
by the Director of Public Works when, in his opinion, such design
is advisable.
Streets designed to have one end permanently closed (culs-de-sac)
shall be provided at the closed end with a turnaround roadway having
a minimum radius for the outside curve of at least 60 feet.
As far as practicable, acute angles between streets at their
intersections are to be avoided, and where a deflection angle of more
than 10° in a street line occurs at any point on the street, a
curve of reasonable long radius is to be introduced.
Monuments shall be placed on the side lines of the street at
all angle points, all points of curvature and at such intermediated
points as shall be required by the Director of Public Works or at
related points approved by the Director of Public Works. The monuments
shall be of such material, size and length as may be fixed as a standard
by or approved by the Director of Public Works.
The zero or datum from which all elevations for street, sewer
and other city work shall be calculated shall be 100 feet below the
top of the Public Service company of New Hampshire iron water gauge
at Dixon's Point and shall be known as "City Datum."
Where the requirements for the acceptance of a street impose
greater or more stringent restrictions in some other section of the
City ordinances, codes or state laws, then the most stringent restrictions
shall apply.