Streets shall be constructed and municipal services installed by the subdivider. The following specific improvements are required within a subdivision:
A. 
Streets and underground services.
(1) 
Underground services.
(a) 
All water pipes; sewers; light, power, and telephone conduits; and gas mains shall be installed underground according to the standards specified in § 465-29E(1).
(b) 
The installation of these underground services shall be inspected as hereinafter provided (first inspection) prior to any backfilling of trenches or other covering of structure.
(2) 
Street grading.
(a) 
Street grades shall be formed according to the standards specified in § 465-29E(2).
(b) 
The roadway subgrade shall be inspected (second inspection) prior to any further roadway construction.
(3) 
Roadway surfacing.
(a) 
Roadway surfaces shall be formed in accordance with the standards specified in § 465-29E(3).
(b) 
Roadways shall be constructed for the full length and width. The center line of such roadways shall coincide with the center line of the street rights-of-way, unless a minor variance is specifically approved by the Board.
(c) 
Following the construction of the base layer(s), the roadway again shall be inspected as hereinafter provided (third inspection).
B. 
Shoulders.
(1) 
Shoulders shall be constructed in accordance with the standards specified in § 465-30.
(2) 
Upon completion of the pavement and any shoulders, the roadway shall again be inspected as hereinafter provided (fourth inspection).
C. 
Curbing.
(1) 
Curbing materials shall conform to the standards specified in § 465-31.
(2) 
In Type II and III subdivisions, curbings shall be installed along each edge of the roadway in all streets.
(3) 
In Type I subdivisions, curbing shall be installed at nonlocal street intersections or where a street intersects another street built to Type II or III standards, then along the circumference of the roadway for the full length of the rounded curve plus a straight section at the end of the curve at least six feet long.
(4) 
When curbed intersections involve one or more streets having a grassed shoulder, the curbing shall be placed at the edge of the roadway and the pavement on the street or streets with such shoulders shall be widened to the full width of the roadway (thus meeting the curb) within 50 feet of the intersection, tapering down to normal width within 75 feet thereof.
D. 
Sidewalks.
(1) 
Sidewalks shall be constructed in accordance with the standards specified in § 465-32.
(2) 
Sidewalks of a width specified by § 465-29B shall be constructed on both sides of the roadways in subdivision Types II and III and on one side of roadway in subdivision Type I.
E. 
Planting strips. Planting strips shall be provided on each side of the roadway, between the cartway and the sidewalk, where sidewalks are required, in accordance with the standards specified in § 465-33.
F. 
Side slopes. The area in back of the sidewalk or planting strip shall be formed, graded, and loamed in accordance with the standards specified in § 465-34.
G. 
Monuments. Monuments of materials specified in § 465-35 shall be installed at all street intersections, at all points of change in direction or curvature of streets and at other points as shown on the definitive plan and where, in the opinion of the Board, permanent monuments are necessary.
H. 
Drainage. The drainage system shall be provided and constructed in accordance with the definitive plan and in conformance with the standards specified in § 465-36 of these regulations.
I. 
Water. If a public water system is located within 400 feet of the subdivision, the subdivider shall connect all lots to the public water system. If a public water system is not located within 400 feet, the subdivider may install private on-lot water systems, provided they are constructed in accordance with the standards of the Massachusetts Department of Public Health.
J. 
Sewerage.
(1) 
If a public sewerage system is located within 400 feet of the subdivision, the subdivider shall connect all lots to the public sewerage system.
(2) 
If a public sewerage system is planned to be installed within 400 feet of the subdivision within five years of the date of submission of the definitive plan, the subdivider shall install in the street end to every lot sewerage laterals which can be connected to the public sewerage system. In order for the subdivider to determine whether such laterals are required and to design and install them properly if required, the Town shall be responsible for establishing and following a definite plan of public sewerage installation and for providing the subdivider, at the subdivider's expense, the necessary specifications and design standards of the sewerage plan.
(3) 
If public sewerage connections are not required according to Subsection J(2) above, or if the planned public sewerage system has not yet been installed to within 400 feet of the proposed subdivision, the subdivider shall provide other means of sewage disposal which meet the standards of the Massachusetts Department of Public Health.
(4) 
Sewers or sewerage systems shall be constructed in accordance with the standards specified in § 465-38.
K. 
Cleaning up.
(1) 
The entire area must be cleaned up so as to leave a neat and orderly appearance free from debris and other objectionable materials. All catch basins shall be properly cleaned out.
(2) 
Following the completion of this and all other items of work, a final inspection (fifth inspection) shall be made.
L. 
As-built plans. As-built plans showing the location, grades, and other significant information regarding utilities, including all stormwater conveyance and treatment structures, shall be prepared by the subdivider and turned over to the Town Clerk following the final approval of the improvements as hereinafter provided. As-built plans shall be submitted no later than two years following the completion of construction.
[Amended 6-12-2019; 6-10-2020]