17.30.010 Improvements required.
In each new subdivision the applicant and the commission shall agree on the type, location and extent of necessary public improvements depending on the characteristics of the proposed development and its relationship to surrounding areas. Improvements shall be made by the applicant at his expense according to standard specifications prepared by a qualified professional engineer and approved by the commission.
(a) Surface Improvements.
(1) Permanent survey monuments shall be set as required by state statutes. In addition, one-half-inch steel pins (or larger) shall be set at all lot corners. Affixed securely to the top of each such monument shall be the state registration number of the land surveyor responsible for the establishment of said monument.
(2) Street Paving.
(i) When the residential density exceeds two lots per acre (not including platted streets in such calculation), and in all areas zoned business, all streets shall be paved with concrete or bituminous material to the widths and grades required by these regulations;
(ii) When the residential density is less than two lots per acre, a gravel surface meeting or exceeding the county road standards promulgated by the county shall be the minimum requirement.
(3) Curbs, gutters and sidewalks shall be required where average lot widths are less than 100 feet and where the commission deems them necessary for the proper drainage of stormwater or for the protection of public safety and welfare.
(4) Street name signs shall be installed at all intersections in the subdivision, according to the street names approved by the town clerk.
(5) Trees may be planted and are encouraged in all new subdivisions in open areas. All road cuts and fills shall be replanted or reseeded by the applicant.
(6) All combustible materials and other debris, including fallen trees and stumps removed from the subdivision roads, shall be removed from the subdivision to avoid disease and fire hazards.
(b) Utilities.
(1) A public water supply and fire hydrants shall be required in all subdivisions with density greater than one residential lot per acre (not including platted streets, parks or open space in such calculation) and in all commercial subdivisions. Water lines shall be designed to connect each lot with mains of not less than six inches in diameter. The exact location and diameter of the main shall be determined by the town based upon the probable maximum use of said main, including all potential users.
(2) Public sewage collection, treatment and disposal facilities shall be required in subdivisions, unless approval for other systems has been granted by the board. Applicants and others interested in land development should investigate sewage disposal aspects prior to land acquisition.
(3) Storm drainage provisions shall be accomplished according to the conditions stated on the preliminary plat for easements, culverts, check dams, etc.
(4) Underground placement of utility lines is required in all subdivisions in order to preserve the natural character of the country.
(5) Street lights shall be required in all new subdivisions. Said street lights and underground conduit shall be installed pursuant to standards adopted by the town. Street lights shall be installed in accordance with a lighting plan approved by the town.
(c) Other Improvements. Other improvements not specifically mentioned herein but found appropriate and necessary due to unusual conditions found on the site shall be constructed at the applicant’s expense within such time and in conformance with such specifications as deemed necessary and appropriate by the commission.
(d) Guarantee of Completion.
(1) The applicant shall provide:
(i) A subdivision improvement agreement agreeing to construct any required public improvement shown in the final plat documents, together with collateral which is sufficient, in the judgment of the board, to make reasonable provision for the completion of said improvements in accordance with design and time specifications; or
(ii) Other agreements or contracts setting forth the plan, method and parties responsible for the construction of any required public improvements shown in the final plat documents, which in the judgment of said board, will make reasonable provision for completion of said improvements in accordance with design and time specifications.
(2) As improvements are completed, the applicant may apply to the board for a release of part or all of the collateral deposited with said board. Upon on-site inspection and approval by the town engineer, the board shall release said collateral. If the town engineer determines that any such improvements are not constructed in substantial compliance with specifications, it shall furnish the applicant a list of specific deficiencies and shall be entitled to withhold collateral sufficient to ensure such substantial compliance. If the board determines that the applicant will not construct any or all of the improvements in accordance with all of the specifications, the board may withdraw and employ from the deposit of collateral such funds as may be necessary to construct the improvement or improvements in accordance with such specifications. Dedications and easements shall be deemed accepted by the town when all improvements are completed. [Amended during 2011 recodification; Ord. 719 § 2, 2008. Code 1999 § 17-2-7].