A.
No street or way through private property shall be
accepted by the City unless the same be previously constructed and
completed in accordance with the standard cross section (see Appendix
F[1]), street layout plan, profile and the following:
[1]
Editor's Note: Appendix F is on file in the
office of the City Clerk.
B.
Unless otherwise specified, all the work and the materials
used in the work to be done shall conform to the requirements of the
most recent editions of the following: Commonwealth of Massachusetts
Department of Public Works' Standard Specifications for Highways and
Bridges, hereinafter referred to as the "Standard Specifications,"
as amended; the Commonwealth of Massachusetts Construction Manual,
Construction Standards and the special provisions included hereinafter.
C.
Supplementing the aforesaid Standard Specifications,
certain specifications or special provisions shall apply particularly
to the work to be done hereunder. References in the following specifications,
unless otherwise stated, are to the aforesaid Standard Specifications.
In case of conflict between these specifications or special provisions
and the aforesaid Standard Specifications, amendments or addenda,
these specifications and special provisions shall take precedence
and shall govern.
D.
To facilitate reference, each paragraph in these specifications
is noted with the paragraph number of the particular section as contained
in the Standard Specifications.
E.
COMMONWEALTH
DEPARTMENT
ENGINEER
Wherever in the Standard Specifications or other contractual
documents the following terms, or pronouns in place of them, are used,
the intent and meaning shall be interpreted by substitution as follows:
City of Marlborough.
Department of Public Works, City of Marlborough.
The Commissioner of Public Works of the City of Marlborough,
acting directly or through an authorized representative acting within
the scope of the particular duties entrusted to him.
F.
The extent of work required is as shown approximately
upon approved plans and, in compliance with the standard cross section
plans, stakes shall be set which will indicate the exact amount of
cut or fill.
G.
As each construction operation is completed, it shall
be approved by the Engineer previous to starting work in the succeeding
operation.
H.
At the time the street or way or portion thereof is
ready for acceptance and to facilitate acceptance by the City of Marlborough,
the developer shall have prepared and certified by a registered land
surveyor a "plan of acceptance" drawn with India ink on tracing cloth
or single matte, three-mil Mylar (size: 18 inches by 24 inches or
24 inches by 36 inches), showing widths, areas, lengths, bearings
of all boundary lines of streets and easements and radii, tangents
and central angles of all curves in street lines. It shall show that
all stone bounds have been set.
(1)
A blank space four inches by eight inches shall be
provided on the lower right-hand corner on the plan for a title block
to be filled in by the City Engineer. The surveyor shall place a certification
on the plan stating: "The street (or way or portion thereof) is laid
out and the bounds have been set as shown on this plan," and it shall
be dated, signed and the surveyor's stamp affixed thereon. The plan
shall be submitted to the City Engineer.
I.
The developer will have the original plans and profiles
that were submitted to the Planning Board and that are on file in
the City Engineer's office corrected and certified by his Engineer
to show the actual as-built locations and grades of all utilities
and roadway profile and any changes authorized by the Planning Board.
This will be done in a manner approved by the City Engineer.
A.
The roadway shall be graded and prepared for pavement
as follows:
(1)
101. Clearing and grubbing shall be performed to remove
stumps, brush, roots, boulders and like from the area of the travelled
way, shoulders, sidewalks and utility trenches, but elsewhere existing
vegetation shall be preserved wherever feasible.
(2)
120. Roadway earth excavation shall remove all unsuitable
materials encountered down to the true surface of the subgrade in
preparation for foundation of roadway, sidewalks, driveways and berms.
Approved materials such as gravel and loam obtained in the excavation
may be used in fills, as required, if in the opinion of the Engineer
they are suitable.
(3)
150. When, in the opinion of the Engineer, suitable
material is not available within the limits of the highway location
to form the subgrade or subbase, the contractor shall obtain such
additional material from other sources in accordance with this section
and as may be approved by the Engineer.
(4)
170. The subgrade surface (16 inches below the finished
surface grade) shall be prepared true to the lines, grades and cross
sections given and properly rolled. All soft or spongy material below
the subgrade surface shall be removed to a depth determined by the
Engineer, and the space thus made shall be filled with special gravel
borrow, containing no stones over six inches in their largest diameter.
(5)
405. Gravel base course shall consist of approved
gravel placed upon the subgrade or subbase as directed and in accordance
with these specifications and in reasonable close conformity with
the lines and grades shown on the plans or established by the Engineer.
(6)
405.60. The gravel shall be spread in layers upon
the prepared subgrade from self-spreading vehicles or with power graders
of approved types or by hand methods. Gravel shall be spread in layers
not more than four inches thick, compacted measure.
B.
Roadways shall be constructed for the full length of all streets within the subdivision and shall have the same curb radius required in § A676-12B above.
(1)
The center line of all roadways shall coincide with
the center line of the street right-of-way unless a deviation is approved
by the Planning Board.
C.
The wearing surface of roadways shall be of Class
1 bituminous concrete pavement, Type I-1. This type of pavement shall
be composed of mineral aggregate, mineral filler and bituminous material,
plant mixed and laid hot. The pavement shall be constructed in two
courses with a final pavement depth after rolling of four inches upon
the prepared surface and in conformity with lines, grades and typical
cross section shown on plans. Material and construction methods shall
conform to all other requirements of Section 460 of the Standard Specifications,
except that no such construction shall be undertaken before March
30 of any year nor after November 1 of any year without written permission
of the City Engineer.
D.
Embankments outside the right-of-way shall be evenly
graded and pitched at a slope of not greater than two horizontal to
one vertical in fill. Where cuts are made in ledge, other slopes may
be determined with the approval of the City Engineer. Where terrain
necessitates greater slopes, retaining wall, terracing, fencing or
riprap may be used either alone or in combination to provide safety
and freedom from maintenance, but must be done in accordance with
plans filed with the Planning Board and approved by the City Engineer.
The subdivider must furnish to the City duly recorded access easements
for maintenance of the slopes, terraces or retaining walls. All such
slopes shall be grassed in accordance with the specifications for
the area between the roadway and sidewalk or roadway and boundary
of the right-of-way.
E.
Dust control shall be provided throughout the entire
project. Sprinklers, watering trucks, calcium chloride, fencing, etc.
shall be employed as directed by the Planning Board.
A.
140. Excavation for structures including foundations
for drains, sewers and water pipes, walls and other structures shall
be made to the depth as indicated on plans or established by the Engineer.
Rock excavation designated as Class B encountered in trench excavation
shall be removed as directed by the City Engineer.
B.
200. All drain, sewer, gas and water pipes and other
structures shall be installed upon the completion of roadway subgrade
and before the placing of the subbase, gravel base course, sidewalks
or pavement.
(1)
Sewer and water mains shall be installed in accordance
with the ordinances of the City of Marlborough. Gravity sewer and
drain lines shall be designed with a minimum slope of 1% and a maximum
slope of 9%.
(2)
Gas mains shall be installed if gas connection is
available unless said installation is specifically waived by the Planning
Board.
C.
200, 220, 230. Adequate disposal of surface and subsurface
water shall be provided and pipes, manholes and catch basins shall
be provided according to the sizes and depths as indicated on the
plans and in conformity with the requirements of Sections 200, 220,
230 and shall be built on both sides of the roadway at intervals not
to exceed 300 feet, unless otherwise provided by the Planning Board,
and at such other places as deemed necessary by the Commissioner of
Public Works and the Planning Board to assure the unimpeded flow of
all natural watercourses, to assure adequate drainage of all low points
and to provide proper runoff of stormwater. In no instances shall
catch basins be located along a driveway cut.
(1)
The standard depth of catch basins shall be two feet
six inches below invert of lowest drain. Manholes shall be constructed
to the required depth at each junction point and as shown on the plan.
Pipe culvert and pipe drains shall be in conformity with the requirements
of Section 230 for installation of pipes.
(2)
Class IV reinforced concrete pipe shall be used for
all drain lines and installed according to the size and grade shown
on the approved definitive plan.
D.
On-site sewage disposal facilities shall be installed
and constructed in conformity with the rules, regulations and requirements
of the Board of Health.
E.
Where adjacent property is not subdivided or where
all the property of the applicant is not being subdivided at the same
time, provision shall be made for the extension of the utility system
by continuing the mains the full length of streets and to the exterior
limits of the subdivision, at such grade and size which will, in the
opinion of the Planning Board, permit their proper extension.
B.
700. Bituminous concrete sidewalks having a minimum
thickness of two inches after compression shall be constructed on
a six-inch gravel foundation to the required lines and grades in accordance
with these specifications. The sidewalk shall be constructed with
a shaped granite curbing or upright granite curbing as approved by
the Commissioner of Public Works.
C.
700. If desired, granolithic sidewalks shall be constructed
as directed by the Engineer in conformity with this section of the
Standard Specifications.
A.
Grass plots on secondary road layouts will not be
permitted.
B.
Grass plots on major roads or secondary roads (based
on sixty-foot layout) may be permitted if desired by the Planning
Board.
C.
Grass plots on secondary roads, fifty-foot layout,
in PUD developments which are to be privately maintained may be permitted
if desired by the Planning Board.
A.
Street trees of a species approved by the City Forester
shall be planted on each side of each street in a subdivision, except
where the definitive plan showed trees to be retained which are healthy
and adequate. Such trees shall be located outside of the right-of-way
as shown in the profile and standard cross section plans, Appendix
F,[1] approximately at forty-foot intervals, and shall be at
least 12 feet in height and a minimum of three-inch caliper.
[1]
Editor's Note: Appendix F is on file in the
office of the City Clerk.
B.
The subdivider shall plant other trees as needed to
provide at least two areas of shade to each lot.
C.
Removal and disposal of trees not intended for preservation
shall be as designated by the City Forester.
A.
Monuments shall be installed at all street intersections, at all points of change in direction or curvature of streets along all easements as described in § A676-14D, and at all other points where, in the opinion of the Planning Board, permanent monuments are necessary.
B.
Monuments shall be standard permanent granite, six
inches by six inches by four feet, with a polished top and drill hole
in the center. Monuments shall be installed at the time of final grading
with the top of the monument set flush with the final grade surface.
A.
Streetlights shall be installed in all subdivisions
by the utility for the developer in each section as developed prior
to the reduction or moving or release of bond or release from covenant
thereon.
(Reserved)
Telephone and electric lines and service connections
shall be installed underground in accord with the procedure required
by the Commissioner of Public Works.
Cable television shall be installed in accordance
with the requirements of the Commissioner of Public Works to serve
all lots within the proposed subdivision.
Regulatory and warning signs shall be installed
in accordance with the requirements of the City Engineer.
Guardrails shall be provided at the locations
designated by the City Engineer.
