1211 General Improvement Requirements

1) Scope: a) This section defines the general requirements for improvements to be built by the applicant. The improvements shall include all street improvements in front of all lots and along all dedicated streets to a connection with existing improvements of the same kind. Layout must provide for future extension to adjacent development and to be compatible with the contour of the ground for proper drainage. Improvements must be installed to the furthest extent of the development such that the next development shall be able to connect and continue on. b) All water lines, sewer lines, appropriate utilities and any other buried conduit shall be installed to the boundary lines of the subdivision. All permanent utilities shall be underground; above ground utility access points shall be screened from public view and permitted by conditional use permit. Transformers and utility meters shall be grouped where possible. Where street cuts are made for utilities, cutting, backfilling and re-paving shall be undertaken in accordance with good engineering standards or as required by the Land Use Authority. 2) Construction Plans/Drawings: Complete and detailed construction plans and drawings of improvements shall be submitted to the Town. Construction shall not be started until plans have been checked and approved by the Land Use Authority. For the purpose of standardizing the preparation of drawings to obtain uniformity in appearance, clarity, size and style, the following is required: a) The construction plans shall be submitted in triplicate. Two sets shall be retained by the Town and one set shall be returned to the applicant with approval mark of the Land Use Authority or Town Engineer, as delegated. b) The approved set shall be available at the construction site. c) These plans and designs shall meet the standards defined in the specifications and drawings hereinafter outlined. The minimum information required on drawings for improvements are as follows: i) All drawings and/or prints shall be clear and legible and conform to good engineering and drafting practice. The size of drawings shall be 22" x 34" (trim line) with one-half inch border on top, bottom and right sides, left side one and one-half inches. ii) North Arrow. iii) Scale and elevations referenced to U.S.G.S. datum. iv) Stationing and elevations for profiles. v) The name of the Town. vi) Project Title (Subdivision, etc.). vii) Specific Type and Location of Work. viii) Space for Approval Signature of Engineer and Date. ix) Name of Engineer or Firm Preparing Drawings with License Number. x) Curb and gutter, drains and drainage structures, sidewalks and street surfacing shall show: a) An appropriate scale of no more than l" = 100'. b) A plan view, profile, and cross-section for the roadways. ii) Drainage System Plans: a) The drainage system shall be designed to consider the drainage basin as a whole and shall accommodate not only runoff from the subdivision area, but also where applicable the system shall be designed to route the runoff from those areas adjacent to and "upstream" from the development itself, as well as its effects on lands downstream. b) All proposed surface drainage structures shall be indicated on the plans. c) All appropriate designs, details, and dimensions need to clearly explain proposed construction materials and elevations shall be included in the drainage plans. d) The storm drainage system must be designed to retain onsite stormwater for 125% of a 2-hour, 100 year storm over the impervious area.