§ 131-26 - Additional information for final plat.
As part of the final plat submission, the subdivider or his agent may be required, at the discretion of and in a manner prescribed by the Planning Board or its designee, to submit any or all of the following:
Subdivision grading and drainage plan. Where appropriate, this plan shall be submitted on a separate sheet or sheets and shall provide the following information for the entire area of the proposed subdivision, unless there is a determination by the Board that a lesser area is sufficient.
- Basic street and lot layout, with all lots numbered consecutively.
- Location of all existing and proposed buildings.
- Contours of existing grade at intervals of not more than two (2) feet. Contour lines shall extend a minimum of one hundred (100) feet beyond the subdivision boundary.
- Plan showing the direction of flow of the runoff.
- The engineering calculations used to determine the drainage requirements.
- Final identification, location, elevation, grades and/or contours at intervals of not more than two (2) feet (less interval may be required depending on topography) for the existing and proposed drainage ways, drainage easements, drainage structures and water bodies.
- Final identification and location of proposed soil erosion and sediment control measures and structures.
- Final drawings and specifications for each proposed soil erosion and sediment control measure and structure in accordance with formal and informal guidelines acceptable to the town.
- Final drawings, details and specifications for proposed flood hazard prevention measures and structures and for proposed stormwater retention basins.
- Final slope stabilization details and specifications.
- A timing schedule indicating the anticipated starting and completion dates of the subdivision development and the time of exposure of each area prior to the completion of effective soil erosion and sediment control measures.
- Road design. Road design in compliance with the standards contained in Article X shall be submitted [four (4) sets of prints] on a separate sheet of plan and profile paper, twenty-two by thirty four (22 x 34) inches in size, and having a horizontal scale of one (1) inch equals fifty (50) feet and a vertical scale one (1) inch equals ten (10) feet to the Board of Selectmen for review and approval. In the case of a road, which is part of a subdivision, subdivision approval will not be granted until a satisfactory street design is approved. The plan(s) submitted shall show the information listed in Article X, Section 131-68.H [Minimum Data Required on Street Design Plans].
- Subdivision utility plan. This plan shall be submitted on a separate sheet or sheets and provide the following information: the location of sewer and drain Y-branches, laterals, manholes, catch basins, hydrants, valves, curb shut-offs and final grading showing swales and ditches.
- Subdivision as-built plans. Before the final inspection and acceptance of a road or other improvements by the town, the owner(s) shall have prepared and submitted an as-built plan to the Planning Board. These plans should show as-built locations and elevations in a contrasting color (preferably red ink) on a print of the original road design or final plat. The as-built road plan shall show the as-built centerline of street elevations, as-built drainage systems, including culverts, catch basins, drainage easements, as-built guardrail and sign locations and road profiles and final grading showing swales and ditches. The as-built utility plan shall show the location of sewer and drain Y-branches, laterals, manholes, catch basins, hydrants, valves, curb shut-offs and final grading showing swales and ditches. Plan shall also show easements and dedication roadways.
- Other professional services the Planning Board deems necessary at the developer's expense.
Additional information for final plat.