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Section 14

CONSTRUCTION OF STREET OR ROAD

14.1 Town Overview: Construction of streets, drainage facilities, sidewalks, and curbs must be done under the observation or with the approval of the Road Agent of the Town of Newbury and the Board, or its agent.

14.2 Pre-Construction Meeting: Before any construction begins, the subdivider, his road contractor, the Road Agent and the Board or its agent, will have a pre-construction meeting, the purpose of which is to clarify the design and construction standards contained herein.

14.3 Inspections: Inspections by the Town Road Agent, the Planning Board and/or the Board's agent are required when:

14.3.1 Right-of-way has been cleared and before base has been laid. The Road Agent and the Board or its agent shall be notified so that approval of the Clearing and Grubbing can be made before any further work may progress.

14.3.2 Culverts and other drainage improvements are installed. The Road Agent and the Board or its agent shall be notified as to when the installation will occur.  No backfilling will be done until the installation has been inspected.

14.3.3 Fine grading of the subgrade, side and back slopes.

14.3.4 Base course(s) of sand and/or gravel have been laid and compacted. The Road Agent and the Board shall be notified so that approval of the placement and compaction of the sand and/or gravel courses may be made before any further work progresses.

14.3.5 Finish course of crushed gravel and shoulders have been laid, compacted and fine graded. The Road Agent and the Board shall be notified so that approval of fine grading of the top course can be made before any further work progresses.

14.3.6 Surfacing with bituminous courses is in progress.  The Road Agent and the Board or its agent shall approve the paving contractor and materials to be used when the bituminous option is utilized.  No paving shall be done until the top course of the base courses has been approved.

14.3.7 Site clean-up and final review with the Road Agent, the Planning Board and/or the Board's agent.

14.3.8 Such other operations as may be found necessary by the Road Agent or the Board or its agent.

14.4 Notice before Inspection: For required inspections during construction, the Contractor, Owner or Developer shall give at least 48 hours (2 working days) notice to the Road Agent in order to coordinate schedules.  The Road Agent may make such additional inspections as he deems necessary.

14.5 Testing: All testing requested by the Road Agent will be done by a laboratory approved by the Board and shall be paid for by the subdivider.

The source(s) of sand, gravel and crushed gravel shall be as approved by the Road Agent and the Board prior to bringing the materials to the job site.  Sieve analyses may be required.

14.6 Earthwork: Earthwork consists of clearing, grubbing, excavation and embankment. This work shall generally comply with Division 200 - Earthwork, Section 201 -- Clearing and Grubbing, Sub-section 3 - Construction Requirements as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.6.1 Clearing and Grubbing:  The limits of clearing and grubbing shall be laid out on the ground before any other work commences and shall extend five (5) feet beyond the excavation and embankment slope limits.  

14.6.2 Excavation and Embankment:  This work shall consist of excavation, placement and compaction of embankment and the necessary disposal of other material. This work shall generally comply with Division 200 - Earthwork, Section 203 -- Excavation and Embankment, Sub-section 3 - Construction Requirements as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.7 Drainage: Adequate disposal of surface water run-off shall be provided by the subdivider. This work shall generally comply with Division 600 - Incidental Construction, Section 603 -- Culverts and Storm Drains, Section 604 -- Catch Basins, Drop Inlets, and Manholes and Section 605 -- Underdrains as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.8 Grading of the Subgrade: Upon completion of excavation, placement of embankment and installation and backfilling of drainage structures, the subgrade shall be graded to conform to the profile grade for the subgrade and cross slope.  High spots shall be honed down and low spots filled with material acceptable to the Road Agent.  The process of rolling or vibration compacting shall continue until nofurther depressions result.  Shoulders, slopes and ditches shall be shaped to reasonably smooth surfaces in keeping with the character of the adjacent terrain and merge into it without any noticeable break.   Culverts and waterways shall be cleared of all obstructions.  Rubbish, brush, loose rock, boulders and all other debris from the construction work shall be removed and disposed of as directed by the Road Agent with the approval of the Board.  The entire roadway must present a uniformly finished appearance at the completion of grading.  The Road Agent and the Board shall be notified so that approval of grading of the subgrade, side and back slopes and ditches can be made before any further work can progress.

Survey Stakes:  It shall be the responsibility of the subdivider to have grade stakes put in at 50-foot intervals.  Each stake shall be driven firmly beyond the toe or top of the slope in a location where it will not be disturbed by construction operations and be clearly marked to give the following information:

  • Station
  • Offset from center-line
  • Cut or fill to finished center-line grade

Also, the subdivider shall construct grade control stakes at 50' intervals and located near the shoulder break point or 2' outside of the proposed curb line on both sides of the roadway.  Each stake shall be marked with the centerline station and a finished grade mark.

The subdivider shall preserve the grade stakes until the completion of the streets and if stakes are removed or destroyed so that the Road Agent or the Board's Agent cannot readily check the grade at any location, the stakes shall be replaced at the expense of the subdivider.

14.9 Base Courses: Base courses as specified in the Classification of Street Standards Table shall comply with Division 300 - Base Courses, Section 304 -- Aggregate Base Course, Sub-section 2 - Materials as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.10 Placing of Sand, Gravel and Crushed Gravel :

The placing of sand, gravel and crushed gravel shall generally comply with Division 300 -Base Courses, Section 304 -- Aggregate Base Course, Sub-section 3 - Construction Requirements as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.11 Pavement Surface: Plant mix pavements shall comply with Division 400 - Pavements, Section 401 -- Plant Mix Pavements - General as outlined in the Standard Specifications for Road and Bridge Construction, State of New Hampshire, Department of Transportation, 1990 or as amended.

14.12 Utilities: Utilities will be placed after the project has been brought to subgrade and rough slope work has been completed.  The lines will be inspected by their respective companies.