(A) Authority to proceed with final plat. Receipt by the subdivider of the copy of the preliminary plan together with the approval of the Commission, City Engineer and Council, shall constitute authority for the subdivider to proceed with the final plans and specifications for the installation of the required improvements and preparation of the final plat. Prior to the construction of any required improvements the subdivider shall submit such final plans and specifications to the City Engineer. If the City Engineer shall find such plans and specifications to be in accordance with applicable policies and standards of the city, he or shall authorize construction and determine the amount of bond, if required. Following the approval of the City Engineer, construction may be started, the bond filed, and or an assessment provided.
(B) Requirements for approval of final plat. No final or official plat of any subdivision shall be approved unless:
(1) The subdivider agrees with the city that the city under the Local Improvement Act may construct improvements listed hereafter and assess the cost thereof against the property benefitted.
(2) The improvements listed hereafter have been installed prior to such approval, or
(3) The subdivider shall have filed with the Council a surety bond to insure the construction of the improvements listed in this section in a satisfactory manner and within the period specified by the Council, such period not to exceed 2 years. No such bond shall be accepted unless it be enforceable by or payable to the city in a sum at least equal to the cost of constructing the improvements as estimated by the City Engineer, and in form with surety and conditions approved by the City Attorney.
(C) Installation of part of improvements. The owner of a tract may prepare and secure approval of preliminary subdivision plan of an entire area and may install the required improvements only in a portion of such area, but the improvements must be installed or provision for their installation in any portion of the area for which a final plat is approved for recording; provided, however, that water mains, storm sewers, trunk sewers and any sewage treatment plants shall be designed and built to serve the entire area planned by the subdivider or designed and built in such manner that they can easily be expanded or intended to serve the entire area; and provided further that the requirements of division (H) have been met.
(D) Survey monuments. All subdivision boundary corners and the centers of all street intersections shall be marked with permanent survey monuments. All points of tangency and points of curvature of all curves shall be marked with permanent monuments. A permanent monument shall be deemed to be concrete with brass rod center at least 8 inches long with a minimum dimension of 4 inches extending below the frost line. Should conditions prohibit the placing of monuments on the line, off-set markings will be permitted, provided, however, the exact off-set courses and distances are shown on the subdivision plat. Iron pipes or steel rods shall be set at all lot corners.
(E) Street improvements. All street and public ways shall be graded the their full width, including side slopes, and to the appropriate grad and shall be surfaced in accordance with applicable standard specifications of the city. Such construction shall be subject to inspection and approval by the City Engineer.
(F) Sidewalks. Concrete sidewalks shall be constructed along at least 1 side of every street shown on the plat in accordance with applicable standard specifications of the city, except that concrete sidewalks shall be constructed along both sides of all major streets; and provided, however, that where the property is platted in lots having an area of at least 20,000 square feet and a width of at least 100 feet, the Council may waive those requirements. Location of all sidewalks shall be shown on final plats.
(G) Water lines. Where a pubic water supply approved by the city is reasonably accessible, each lot within the subdivision area shall be provided with a connection to such water supply, the water to terminate not less than 2 feet inside of curb line or easement line. Fire hydrants shall also be installed in all subdivisions, with a maximum spacing of 600 feet. In proposed subdivisions outside the city limits, pending availability of a public water supply, the subdivider may be required to construct wells or a private water supply system in such a manner that an adequate supply of potable water will be available to every lot in the subdivision at the time improvements are erected thereon. The information furnished and approval of the same shall comply with the requirements of the State Health Department. The water supply system shall be constructed under the direction and control of, and all construction shall be subject to the approval of, the City Engineer.
(H) Sanitary systems.
(1) In all areas where a public sanitary sewer is reasonably accessible, each lot within the subdivided area shall be provided with a connection to the sanitary sewer, said sewer connection to terminate not less than 2 feet inside curb line or easement line. All connections to a city sewer system and the subdivision sewer system shall comply with the ordinances of the city pertaining to sewers and all construction shall be subject to the approval of the City Engineer of the municipality involved.
(2) In proposed subdivisions beyond the city limits in which the lots are less than 1 acre in area, where a public sanitary sewer is not reasonably accessible but where plans for the installation of sanitary sewers in the vicinity of the subdivision to install sewers in conformity with such plan. In such cases, until a connection can be made with the public sewer system, the use of a sewage treatment plant will be permitted, provided such disposal facilities are constructed in accordance with the ordinances of the city pertaining to sanitary sewage disposal.
(3) In proposed subdivisions in which the lots are less than 1 acre in area where sewers are not accessible and no plans for sewers have been prepared, the subdivider may be required to install sewer lines and a disposal system in accordance with the requirements of division (H)(2), or if the subdivision has been platted in to lots having a minimum width of 100 feet and an average area of 20,000 square feet or more, he or she may install individual disposal devices for each lot at the time improvements are erected thereon. However, if the subdivider shall decide to provide individual aeration septic systems on each individual lot, then the subdivision may be platted in to lots having a minimum width of 100 feet and an average area of 15,000 or more. All such individual sewage disposal systems shall be constructed in accordance with regulations and requirements of the State Health Department and under the direction and control of and approval of the City Plumbing Inspector.
(Am. Ord. 944, passed 8-21-1978)
(I) Drainage. The plat shall be laid out so as to provide proper drainage of the area being subdivided. Drainage improvements shall maintain any natural water-course and shall prevent the collection of water in any low spot. A storm sewer system, approved by the City Engineer shall be provided.
(Ord. A-590, passed 9-15-1958)