All underground utilities shall be tested, approved
and operational prior to installation of base course and pavement
within the right-of-way.
A. Water system.
(1) Water pipes shall be placed in a trench with a cover
of at least five (5) feet. The piping shall be of cement-lined ductile
iron.
(2) Gates shall be placed along mains in accordance with
the requirements of the Department of Public Works - Water and Sewer
Division, but, in any case, spaced not more than one thousand (1,000)
feet apart. The size of the mains shall conform to the recommendation
of the Department of Public Works - Water and Sewer, as approved by
this Department, but, in any event, not less than eight (8) inches.
[Amended 10-18-2000 ATM, Art. 14]
(3) Hydrants shall be located within the right-of-way
but not on the street or on the sidewalk. Hydrants shall be located
closest to the edge of the paved street and between the paved street
and the sidewalk, if there is a sidewalk.
(4) Hydrants shall be placed at intervals not exceeding
five hundred (500) feet, starting at the street intersection. There
shall be gates at leads to hydrants. The gates, valves and hydrants
shall conform to requirements of the Department of Public Works -
Water and Sewer.
[Amended 10-18-2000 ATM, Art. 14]
(5) Hydrants shall be installed, approved and operational
prior to the installation of base course or prior to release of lots,
whichever occurs first. Said hydrants shall be charged and ready for
use.
(6) The Fire Department shall approve the location and
installation of all proposed hydrants and the testing of all hydrants
to ensure the necessary fire flow.
(7) Before making connection to the municipal water system,
the developer shall comply with all appropriate regulations of the
Department of Public Works Water and Sewer.
[Amended 10-18-2000 ATM, Art. 14]
B. Storm drainage system. Storm drains, culverts and
related installations, including catch basins, gutters and manholes,
shall be installed within the subdivision, as necessary, to permit
unimpeded flow of all natural watercourses, to ensure adequate drainage
of all low points and along streets, to control erosion and to intercept
stormwater runoff along streets at intervals reasonably related to
the extent and grade of the area drained.
(1) Catch basins will be required on both sides of the
roadway on continuous grades at intervals of not more than three hundred
(300) feet and at all sags or low points along roads.
(2) Proper connections shall be made with any existing
drains in adjacent streets or easements where they may exist and prove
adequate to accommodate the drainage flow from the subdivision, and,
in the absence of such facilities or the inadequacy of the same, it
shall be the responsibility of the developer to extend drains from
the subdivision as required to properly dispose of all drainage from
said subdivision in a manner determined proper by the Board.
(3) Where adjacent property is not subdivided, provision
shall be made for extension of utility systems by continuing appropriate
drains and water mains to the exterior boundaries of the subdivision,
at such size and grade as will allow for their proper projection and
with such accessories and appurtenances deemed appropriate by the
Board.
(4) Storm drains and culverts shall have at least a twelve-inch
inside diameter reinforced concrete pipe and shall be greater size
when required by the Board or by design conditions. Minimum cover
for drains shall be twenty-four (24) inches. Piping with less than
thirty-six (36) inches of cover shall be laid with reinforced concrete
Class V pipe.
(5) Catch basins and manholes shall be spaced as required
by the Board and shall be at least four (4) feet inside diameter,
unless the depth of the manhole is twelve (12) feet or more, then
five (5) feet inside diameter. They shall be constructed with standard
cement concrete six-inch manhole blocks or precast concrete units.
Catch basins shall provide a sump extending not less than thirty (30)
inches below pipe invert. No catch basins shall be used as manholes.
Drops of three (3) feet from the invert to the bottom of the basin
or manhole structures shall be protected from erosion, deterioration
or collapse. Drains and catch basin excavations shall not be backfilled
until approved by the Planning Board.
(6) Type A-1 grates shall be set on top of each catch
basin. Manhole covers and grates shall be in conformance with Massachusetts
Department of Public Works specifications.
C. Sewer systems.
(1) When the subdivision abuts the existing sewerage system
of the Town, connection shall be made. When the subdivision abuts
a proposed sewage extension as designated in the sewage facilities
plan, the subdivision shall be sewered so that such connection can
be made when sewer lines are installed. Where gravity connection is
not feasible, a lift station shall be located and installed in accordance
with the requirements of the Department of Public Works - Water and
Sewer. Common sanitary sewers within the subdivision shall be installed
under the supervision of and in accordance with the requirements of
the Department of Public Works - Water and Sewer.
[Amended 10-18-2000 ATM, Art. 14]
(2) Individual or private sewerage systems will be permitted
only under conditions other than the above, and design and installation
of such individual or private sewerage systems shall be under the
supervision of the Board of Health in strict compliance with Title
V of the State Sanitary Code and all local health bylaws and regulations.
(3) Small wastewater treatment plants. Small wastewater
treatment plants systems will be allowed only under conditions other
than the above, and design and installation of such systems shall
be under the supervision of the Board of Health regulations and Massachusetts
Department of Environmental Protection.
D. Other utilities. All other utilities shall be located
and installed in accordance with the requirements of the Board or
the Massachusetts Department of Public Utilities.
(1) Street-level-type lamppost lighting [approximately
six (6) feet high from ground level] shall be installed in the front
yard of each individual building lot in near proximity to the right-of-way
boundary. Such lighting structure shall be architecturally compatible
with the neighborhood. The power for said individual lamppost light
shall be tied to that of the individual building.
E. Buffering for municipal utility structures. The location
of small wastewater treatment plants, detention/retention basins and
other municipal structures, if set up within fifty (50) feet of the
perimeter, shall be screened and fenced with appropriate landscaping
materials, including seven-foot-high evergreens.
[Amended 10-18-2000 ATM, Art. 14]
Upon the recording of the subdivision plans
in the Registry of Deeds, temporary street name signs shall be installed
at all intersections of existing streets. Street name signs of a design
and material acceptable to the Director of Public Works shall be installed
for each street at each intersection at base course or prior to release
of lots on said subdivision street, whichever shall occur first. Posts
shall be set in concrete to at least twenty-four (24) inches below
grade.
Fire alarm system requirement was deleted March
1999.
All precautions should be taken by the developer
and his/her subcontractors to observe common sense safety requirements.
The Planning Board designates its inspector to report all unsafe activities
during construction of the subdivision to the Board. No holes or trenches
shall be greater than five (5) feet in depth and shall not be open
for greater than a twenty-four-hour period. Soil pipes, if used, shall
be no higher than three (3) feet, and no materials shall be stored
in an unsafe manner unless the area is adequately protected.
In accordance with an approved subdivision construction
schedule, before the sale of a lot, the subdivider shall clean up
any debris thereon and shall dispose of or incorporate into the subdivision
landscaping any boulders encountered during construction of said subdivision.
All areas within the street lines destroyed or altered in construction
operations shall be restored to vegetation or other finish satisfactory
to the Board. No stumps, tree limbs, or by-products of stumps shall
be buried on site.
Perimeter drains composed of six (6) to twelve
(12) inches of crushed stone surrounding a four-inch pipe may be installed
around all house foundations and will either be tied into the street
drainage or provide flow away from the foundation, provided it does
not impact on abutting properties.