A. 
All improvements specified or implied on the Definitive Plan shall be constructed or installed by the applicant in accordance with the provisions of this Article V of the Rules and Regulations or as directed by the Board. The applicant, at his own expense, shall furnish all necessary materials, labor, and equipment which may be required to complete the work called for or implied on the Definitive Plan. Items not specifically mentioned herein shall be constructed in accordance with the Standard Specifications for Highways and Bridges of the Massachusetts Department of Public Works, dated 1973 and including revisions thereto (hereinafter referred to as the "Department's Specifications"); unless specifically directed otherwise by the Board.
B. 
All work performed by the applicant as a consequence of these Rules and Regulations will be subject to the review and acceptance or approval of the Board. Therefore, the Board will employ a Registered Professional Engineer to act as its agent for the inspection and supervision of the work. In order that the Board's Engineer may properly inspect the work as it progresses, the applicant will keep the Engineer informed of the progress of the work, and shall at any time provide safe and convenient access to all parts of the work for inspection by members of the Board or its Engineer or such persons as the Board may designate. No work will be approved which has been covered prior to inspection by subsequent work. Reference should be made to Article VI for specific inspections required by the Board.
A. 
The subdivision, including all way lines and all drain lines and municipal services, shall be laid out as to line and grade by a Registered Land Surveyor and a certificate filed with the Board to this effect. [Refer: § 530-3.3L(2).]
B. 
Any work which, in the opinion of the Board, has not been properly laid out or does not conform to the Plans may be checked by a Registered Land Surveyor employed by the Board. If the Board determines that such work does not conform to the Plan and that the Plan was based upon erroneous data or calculations provided by the applicant, or which was correctly laid out upon such erroneous data or calculations, the applicant shall pay all costs which the Board incurs as a consequence of checking the work. The Board may require the removal and correct replacement of any work which has been incorrectly laid out.
A. 
The entire area of each way within its exterior lines shall be cleared of all trees not intended for preservation, stumps, brush, roots, rocks, or boulders, and all perishable or unsuitable material.
B. 
The entire area to be occupied by the roadway plus an additional four feet or extending outward to the toe of slopes in fill areas, whichever is greater, shall be excavated a minimum of 15 inches below finished grade in cut sections or as necessary to remove the topsoil in fill sections or such greater depth as may be required by the Board's Engineer if soft or yielding material, clay, peat, silt, sand pockets, boulders or rocks, organic material, or other material detrimental to the subgrade is encountered. All fill or undisturbed material shall be nonfrost susceptible and shall contain not more than 3% passing the 0.02 millimeter sieve for a minimum depth of 3 1/2 feet below the finished roadway grade.
C. 
Trees intended to be preserved shall be protected from injury by suitable boxes, or fenders, or wells if in fill.
D. 
The Engineer will make an inspection when this phase of the work is completed.
The construction of the drainage system, including methods of construction and quality of materials, shall conform to the applicable Sections of the Department's Specifications, except as modified hereafter or as directed by the Engineer.
A. 
All storm drains within the street line and in any location subject to vehicular loading shall be reinforced concrete pipe and shall be laid with a minimum of 2 1/2 feet of cover. All storm drains outside the street line and in a location not subject to vehicular loading shall be either plain or reinforced concrete pipe or asphalt coated corrugated metal pipe. All joints shall be sealed by caulking and cement mortar or firmly clamped as applicable. Plain concrete pipe shall be laid with minimum cover of 3 1/2 feet.
B. 
All catch basins shall be constructed of brick (either clay or concrete), or of cement concrete, or of cement concrete blocks, laid in mortar and plastered on the outside, and shall have a standard twenty-four-inch square frame and crossed grate cover. A granite-mouth curb shall be furnished and set where vertical or sloped granite curbing is utilized. Where Cape Cod Berms are used, the catch basin and cover shall be laid so as to be slightly below the roadway pavement, which shall be suitably tapered toward the cover, and direct surface water flow to the catch basin.
C. 
No pipe shall extend into a catch basin more than three inches beyond the inside face of the wall. All catch basins shall have an inside diameter of at least four feet, shall be constructed with a minimum depth of two feet below the invert of the outflow pipe, and as otherwise shown in accordance with the Construction Standards of 1966 of the Massachusetts Department of Public Works (herein after referred to as the "Department's Standards").
D. 
All manholes shall be constructed of the same materials as permitted herein for catch basins, except that a standard heavy twenty-six-inch-diameter cover and frame shall be furnished and set and all other details shall be as shown in the Department's Standards for manholes.
E. 
The subsurface drainage system as shown on the Definitive Plan or as ordered by the Board during construction shall be constructed of not less than eight-inch-diameter perforated asphalt-coated corrugated metal pipe with all joints firmly clamped, perforations turned up, and laid to line and grade.
F. 
All drainage pipe shall end in a concrete or masonry headwall having dimensions as specified in the Department's Standards and constructed in accordance with the Department's Specifications. The concrete shall have a minimum compressive strength of 3,000 pounds per square inch after 28 days' curing. All tide gates shall be of standard manufacture, of the same size as the outfall pipe, cast-iron frame and flap, each fitted with bronze seat and subject to the approval of the Engineer.
G. 
The Engineer will inspect the completed drainage system or sections thereof prior to placing any backfill.
H. 
All trench backfill for the storm and subsurface drains and other backfill within the limits of the way shall conform to the base course requirements and shall be deposited to required subgrade in not more than six-inch layers and compacted to 92% of the maximum dry density as determined by modified Proctor Test, in accordance with ASTM D-1557-70, Method "D".
A. 
The applicant shall provide and install all necessary materials, appurtenances and equipment to complete the municipal services as may be required by the Definitive Plan in a manner acceptable to the officials or agency having jurisdiction of each service as previously mentioned herein. All costs incurred by the applicant as a consequence of installing and maintaining such municipal services as the Board requires, including hydrant and municipal electric light rental, shall be paid by the applicant, including all costs which may be incurred for any reasons whatsoever until such time as the Town assumes the responsibility for such service. The Board will not take any action to have the applicant reimbursed for any costs so incurred.
B. 
The fire alarm system connection will be made by the Hull Fire Department using materials which shall be furnished by the applicant as specified by the Fire Chief.
C. 
The type of hydrants and type and size of pipe serving the hydrants shall be as directed or approved by the Fire Chief.
D. 
The type and size of pipe, fittings and appurtenances for the water system shall be as directed or approved by the Hingham Water Company.
E. 
All materials and work in connection with the sewer system shall be as directed and approved by the Sewer Commissioners or authorized agents.
F. 
All materials and work in connection with the streetlights and electric power service shall be as directed and approved by the Hull Municipal Light Board.
G. 
All work in connection with the municipal services shall be left uncovered until such time as the Board's Engineer permits the backfill to be placed. The applicant shall notify all utility companies with municipal services installed or to be installed within the ways as to the date and time he intends to place the gravel base course and the paving so that such utility company may properly record the location of pertinent features of the system so that they will not be covered or lost as a result of the paving operation.
H. 
All trench backfill material for the municipal services within the way limits shall conform to the base course requirements and shall be deposited to required subgrade in not more than six-inch layers and compacted to 92% of the dry density as determined by modified Proctor Test, in accordance with ASTM D-1557-70, Method "D".
All fill material which may be required within the exterior lines of the way up to the twelve-inch gravel foundation shall be of clean gravel or other suitable material as approved by the Engineer and compacted to 92% of the maximum dry density as determined by modified Proctor Test, in accordance with ASTM D-1557-70, Method "D". All municipal services, including but not limited to storm drains, subdrains and drainage structures and sewers if required, within the way lines, shall be installed prior to the completion of the fill. This shall include the installation of each service pipe, sleeve or conduit to the front lot line of each lot in the subdivision. Upon the completion of the fill and the backfill of all service trenches, the work will be inspected by the Board's Engineer. Subsequent work shall not be commenced until the Engineer has approved the fill as acceptable for the application of the roadway foundation material.
A. 
A minimum of 12 inches of clean gravel, as approved by the Engineer, shall be deposited in not more than six-inch layers for the full width of the way so as to form a roadway foundation which shall be at all points parallel to the finished grade of the roadway surface. Each layer of the gravel shall be compacted to 95% of the maximum dry density as determined by the modified Proctor Test, in accordance with ASTM D-1557-70, Method D. The gravel shall conform to the following gradation:
Sieve Size
% of Passing By Weight
3"
100
2
95 - 100
1
60 - 100
3/4
55 - 95
1/2
48 - 85
3/8
44 - 80
#4
33 - 68
10
23 - 55
20
15 - 43
40
8 - 34
80
2 - 22
200
0 - 10
0.02 mm
0 -3
B. 
The Engineer will inspect the roadway foundation after the completion of each six-inch layer, and, only after the approval of the completed foundation has been obtained, the entire roadway shall be penetrated with an application of 0.25 to 0.50 gallons per square yard of MC-0 or MC-1 cutback asphalt in accordance with the Department's specifications and as approved by the Engineer, then, the roadway surface work shall begin.
A. 
All roadways shall be paved to conform with the finished grade and width as specified with Class I Bituminous Concrete Paving Type I-1 in accordance with the Department's Specifications and subject to the approval of the Engineer. The applicant shall submit a specification job-mix formula to the Engineer for approval prior to starting the work.
B. 
Minimum depth requirements after compaction.
Type Street
Binder Course
Finish Course
Major
2 1/2 inches
1 1/2 inches
Secondary
2 1/2 inches
1 1/2 inches
Minor
2 1/2 inches
1 1/2 inches
Dead-end Minor
2 1/2 inches
1 1/2 inches
Sidewalks shall have a finished grade in relation to the roadway as shown on the "Typical Road Cross-Sections" and shall be constructed of Bituminous Concrete in accordance with the Department's Specifications subject to the approval of the Engineer. The Gravel foundation shall be a minimum of six inches in compacted thickness and shall otherwise conform to the requirements of the roadway foundation.
A. 
Vertical granite curbing or 5,000 psi, twenty-eight-day strength precast concrete curbing shall be installed along the edge of the roadway where, in the opinion of the Planning Board, such curbing is necessary to control surface runoff, or prevent serious erosion, or for safety or other similar purposes.
B. 
Where vertical granite curbing is installed, all curb inlets for catch basins shall be granite-mouth curbing.
C. 
Vertical granite curbing shall conform to the Department's Specifications for Granite Curb.
D. 
Except as otherwise required in this section, bituminous concrete curbing (Cape Cod Berms), vertical granite, sloped granite, or precast concrete curbing (5,000 psi, 28 day strength) shall be provided along both sides of the roadway. Where bitominous concrete curbing is provided, the roadway subgrade construction shall be extended under the full width of the curbing (see Typical Roadway Cross-Sections, Figure 1[1]) and the curbing shall be of monolithic construction with the binder and top courses of the roadway pavement. Where vertical granite or concrete curbing meets bituminous concrete curbing, suitable transitions shall be constructed.
[1]
Editor's Note: The figures are included in an attachment to this chapter.
A. 
A grass plot shall be provided on each side of all roadways between the edge of the roadway and the sidewalk. The finished grade of the grass plot in relation to the finished grade of the roadway shall be as shown on the Typical Roadway Cross-Section.
B. 
Utility poles and hydrants shall be placed within the grass plot and shall not be closer than two feet from the edge of the roadway. Transformers and junction boxes for underground wiring and telephone shall be located outside of the right-of-way in easements permitting access for maintenance purposes.
C. 
Fire alarm boxes shall be located according to the specifications of the Fire Chief either in the grass strip or in easements outside of the right-of-way.
D. 
The top six inches of grass plots and side slopes (cut or fill) shall be good-quality loam as approved by the Engineer and shall be screened, raked and rolled with a hand roller to finished grade. The loam shall be seeded with lawn grass seed applied in sufficient quantity to assure adequate coverage and rolled when the loam is moist.
Street trees, not less than 12 feet in height and of a species approved by the Tree Warden, shall be planted on each side of every street in the subdivision wherever, in the opinion of the Planning Board existing woodlands or individual trees are not retained. Trees shall be located outside the exterior roadway lines and at such distance therefrom and spacing as the Superintendent of the Tree and Park Department shall specify in accordance with general practice in the Town.
A. 
The areas of cut or fill outside the travelled way shall be sloped as follows until it intersects the finished grade of the abutting lots, except as may be required for sidewalks and except where, in the opinion of the Board, slopes in excess of the following are warranted to mitigate impact upon wetlands or other natural features:
Depth/Height of Cut/Fill
Maximum Permissible Rate of Slope
Less than 4 feet
6 to 1
4 feet to 10 feet
4 to 1
More than 10 feet
2 to 1
B. 
Wherever retaining walls are required within the right-of-way or adjacent easements, the design construction, and materials plans shall be submitted to the Planning Board for approval prior to installation.
A. 
Granite shall be set at all street intersections, at all points of change in direction or curvature of streets, and at other points where, in the opinion of the Board, permanent monuments are necessary.
B. 
On every new street in a subdivision, at least one of the highway bounds shall be established as a bench mark based on mean sea level, and the location of such reference bound shall show on the layout plan required by § 530-3.3B(14) of these Regulations.
C. 
Monuments shall be at least four inches by four inches and shall extend a minimum of 3 1/2 feet below finished grade to not more than six inches above finished grade, except that bounds located in lawns shall be of materials approved by the Planning Board, and shall be set with the top flush or slightly below finished grade, and except that bounds set in driveways, sidewalks or other paved areas shall be constructed of a 2" brass rod extending three feet into the ground and shall be set flush to finished grade. The cap shall be as specified by the Hull Highway Department. The bounds shall otherwise conform to the Department's Specifications and shall not be set until all construction which could disturb the monument is completed.
Street signs of the type commonly used on public ways of the Town and bearing the names of the intersecting streets as indicated on the Definitive Plan shall be erected at all intersections of streets in the subdivision. Such signs shall be subject to the approval of the Board.
The entire area of the subdivision shall be cleaned up so as to leave, in the opinion of the Board, a neat and orderly appearance free from debris and other objectionable materials. All catch basins and manholes shall be cleaned out. Following the completion of this and other items of work as required herein, a final inspection will be made.
If released from restrictions with regard to sale of lots or building on lots by the posting of a performance bond, deposit or Letter of Credit, the subdivider shall maintain the roadway for vehicular traffic in a manner satisfactory to the Board. Further, the subdivider shall maintain the roadway in a subdivision in a condition which meets all the above requirements to the satisfaction of the Board, either until acceptance of the way by vote of the Town, or for a period of one year from the date of release of check, bond, or all restrictions pertaining to the subdivision.