Improvements for streets shall be performed to meet the following minimum standards and requirements:
(A) The dimensions for paved surface dimensions shall be as follows:
(1) For local and cul-de-sac streets:
(a) The width, with curb and gutter, shall be as per the Thoroughfare Plan.
(b) The terminus diameter on a local cul-de-sac shall be 100 feet.
(c) The radius at intersections shall be 25 feet.
(2) For collector streets:
(a) The width, with curb and gutter, shall be as per the Thoroughfare Plan.
(b) The radius at intersections shall be 35 feet.
(c) At an intersection of a subdivision local or collector street with an arterial or major collector street or road, the Commission may require the subdivider to install acceleration and deceleration and/or passing lanes along the arterial or collector street.
(B) The minimum standards for street construction shall be in accordance with the Street and Utility Standards.
(1) The provisions for construction of the top layer of asphalt shall be as follows:
(a) When 80% of the subdivision lots have homes built on them; or
(b) A three-year period, starting from the date of completion and posting of a maintenance bond. A cash bond or letter of credit shall be posted to ensure the performance of the placing of the asphalt surface. If the above requirements are not met, then the town may withhold issuance of any building permits until the asphalt surface is placed and accepted.
(2) The special requirements for industrial and commercial subdivisions are where streets are designed to serve industrial or commercial subdivisions or sites, or other developments requiring service by many heavy vehicles, the minimum pavement thickness will be that for a collector street.
(3) Temporary gravel construction shall be required at the entrance to a construction site to prevent sediment from being tracked from a site onto a public or private roadway.
(C) Concrete curbs and gutters shall be required for all streets. Refer to Thoroughfare Plan and Street and Utility Standards. Chairback curbs are required in all projects. The use of roll curbs shall be at the discretion of the Planning Director.
(D) Sidewalks. The plan shall include public sidewalks which shall be constructed by the builder/lot owner at the time of construction of the residence, if not in advance. The sidewalk shall extend along the entire street frontage of each respective lot and shall be constructed prior to completing finish lot grading. The sidewalk shall be located one-half foot inside the street right-of-way line (not on the lot) and parallel to the street right-of-way line. All sidewalk design and construction shall comply with the Americans Disabilities Act (ADA), as amended. Sidewalks shall be at least 5 feet wide, unless otherwise permitted by the Planning Director in the historic area of the town. The lot owner is responsible for the repair and maintenance of the sidewalk.
(E) No new subdivision street shall have open drainage swales along the streets.
(F) It shall be the responsibility of the subdivider to provide and install all required signs including street signs, stop signs, warning signs, bicycle lane and/or multi-use path signs, speed limits and any other regulatory signs as may be deemed necessary by the town. All sign materials and installation procedures shall meet the requirements of the latest edition of the State Manual on Uniform Traffic Control Devices. The location and type of all signs in a subdivision shall be identified in construction drawings and presented to the town for approval.
(G) The provisions for street lighting shall be as follows: The developer shall install or have installed with the street construction, street lights adequate to light all road intersections, curves, cul-de-sacs and entrances in the development in compliance with the following standards:
(1) The street light spacing shall be in compliance with the following minimum foot candle requirements. Street lights in general shall be on property lines and staggered on opposite sides of the street.
(a) Residential entrances: 1.2.
(b) Residential streets: 0.5.
(c) Public or private parking lots: 1.2.
(d) Park areas with playgrounds or walking/biking trails: 0.5.
(2) All lighting components shall be of utility quality columns and fixtures with photovoltaic devices conforming to ANSI standard C136.10. Developments are encouraged to integrate decorative designs where practical.
(H) In developments having a density equal to or greater than one-half dwelling units per acre, the developer shall install bicycle lanes and/or multi-use trails in accordance with the adopted Hancock County Trails Plan (2018) to the satisfaction of the Planning Director or designee.
(Ord. 2020-1D, passed 1-6-20)