(A) General.
(1) Subdivision improvements shall be designed, furnished, and installed in accordance with the requirements set forth in the Design Standards and Specifications Manual, as amended, those requirements set forth herein, and other applicable criteria. Whenever requirements of any other governmental unit are higher or more restrictive than this chapter, those requirements shall control any application for plat approval.
(2) Prior to final approval of a plat and any construction in a subdivision, the applicant shall submit copies of the construction plans for all improvements to all required governmental agencies, including, but not limited to, the Johnson County Board of Health, Indiana State Board of Health, Indiana Department of Environmental Management, and such other local, state, and federal agencies as may be appropriate, at least 60 days before construction begins.
(3) All culverts and bridges to be incorporated into the town road system shall conform to the current requirements of the Bridge and Culvert Acceptance Policy of Johnson County, Indiana, and the town.
(4) Higher standards than indicated in this chapter and the Design Specifications and Standards Manual may be required by the Plan Commission to accommodate extraordinary traffic volumes or other abnormal or unusual characteristics.
(5) The public improvements must be completed no later than two years from the date of secondary approval.
(B) Streets. Improvements for streets shall be designed and installed in accordance with the requirements set forth in the Design Standards and Specifications Manual, as amended, the Construction Guidelines and Details, those requirements set forth herein, and other applicable criteria.
(1) Curbs and gutters. The applicant shall provide curbs and gutters in accordance with the Design Standards and Specifications Manual.
(2) Sidewalks. The applicant shall provide sidewalks, in accordance with the Design Standards and Specifications Manual, on both sides of the street, and along the frontage of any perimeter streets, and in any other location determined necessary for effective and efficient pedestrian movement. Handicap access ramps in compliance with the Americans with Disabilities Act specifications shall be provided where sidewalks join streets, at street intersections, and at the necks of cul-de-sacs.
(3) Regulatory signs and street identification signs. It shall be the responsibility of the applicant to provide and install stop signs, speed limit signs, other regulatory street signs, and street identification signs in accordance with the Design Standards and Specifications Manual prior to issuance of any building permits, including those for model homes. Permits for model homes may be issued if temporary signs are installed.
(C) Driveways. Improvements for driveways shall be designed and installed by the applicant in accordance with the requirements set forth in the Design Standards and Specifications Manual, as amended, those requirements set forth herein, and other applicable criteria.
(D) Drainage and stormwater. A drainage system and stormwater system shall be designed and constructed by the applicant to provide for the proper drainage of surface water from the entire subdivision and the drainage area of which it is a part. The system shall be designed, and constructed in accordance with the Design Standards and Specifications Manual. The town reserves the right to require retention and/or detention areas to be designated as common area and maintained by the applicable owners association.
(1) Downspouts outlets shall discharge onto grass surface no closer than the building setback lines. Sump pump outlets shall discharge onto grass surface no closer than the building setback lines or into stub out as specified in the Design Standards and Specifications Manual.
(2) When vegetation has been removed from a slope and the possibility of soil erosion occurs, the applicant or lot owner shall be required to seed or otherwise prevent damage to adjacent property or accumulation on street surfaces. These erosion control measures shall be in accordance with standards and specifications of the Stormwater Utility.
(3) The altering, changing, or damaging of swales, ditches, or drainage structures, as shown on approved construction plans, will be considered a violation of this chapter and subject to the enforcement procedures contained herein.
(E) Sanitary sewage disposal. A sanitary sewer system shall be designed and constructed by the applicant in accordance with the Design Standards and Specifications Manual to provide adequate sewage service for all lots in a proposed subdivision, unless waived by the Town Council.
(F) Water system. A water distribution system shall be provided by the applicant in accordance with the Design Standards and Specifications Manual to provide adequate water service for all lots in the proposed subdivision. A subdivision plat shall not be considered for secondary approval until:
(1) The permanent water distribution system, including pipes, fire hydrants, valves, and other appurtenances are installed, and said distribution system is connected with an approved public or private water system in accordance with plans and specifications therefor.
(2) Exceptions may be made for model homes according to the Zoning Ordinance allowance for such uses, as long as fire protection capability is present.
(G) Utilities.
(1) Private utilities, such as telecommunication services and natural gas providers, shall be accommodated within Utility Easements indicated on the subdivision plat.
(2) All existing utilities in road rights-of-way, including poles, shall be relocated prior to any construction work taking place in the vicinity of the utilities. No base rock or pavement shall be placed around unmoved facilities.
(H) Monuments and markers. Survey monuments and markers shall be provided by the applicant in accordance with these standards.
(1) All section corners and quarter section corners shall be monumented and perpetuated.
(2) The plat and legal description of subdivisions shall be referenced to two known section corners. The section corners shall be referenced to the Indiana Coordinate System of 1983.
(3) One permanent monument in each section of a subdivision shall be installed by the subdivider to establish elevation control and shall have the following characteristics:
(a) Be four inch by four inch by 48-inch concrete, with the top flush with grade.
(b) Contain the elevation based upon U.S. Geodetic Survey datum to the nearest one-hundredth of a foot.
(c) Be installed prior to acceptance of the maintenance bond on that section.
(d) Have its location and elevation filed with the surveyor prior to acceptance of the maintenance bond on that subdivision section.
(4) Permanent markers shall be installed at:
(a) All new and existing street centerline intersections. Monuments at these locations shall be ten-inch extendible markers (Harrison or an approved equal), epoxy grouted into a six-inch diameter by 12-inch deep core in the pavement. The markers must have a precise point marked in the cap. The top of the monument shall be one-quarter inch below the finished pavement surface.
(b) Any change in direction of a street centerline, including the beginning and ending of all curves in street centerlines. Also, a monument shall be placed at the center point of all cul-de-sacs. Monuments at these locations shall be a five-eighths inch minimum diameter by 12-inch long steel rod, epoxy grouted in place with the top of the rod one-quarter inch below the finished pavement surface. Any cul-de-sacs with a center landscape island shall have the monument encased in four-inch by four-inch by 48-eight inch concrete with the top of the monument flush with existing grade.
(c) All outside boundary comers and angle points of a preliminary plat. These monuments shall be a five-eighths inch diameter rod set in four-inch by four-inch by 48-inch concrete with the top of the monument flush with existing grade.
(d) All lot corners shall be marked with capped steel rods at least five-eighths inch in diameter and 30 inches in length; however, this is not required upon initial development, but rather the marker shall be in place in order to receive a final inspection for the structure erected on the lot. All other markers shall be installed prior to the release of a performance bond or surety, and an affidavit signed by the developer and/or his or her engineer acknowledging that the markers were, in fact, installed, which shall be submitted with the maintenance bond.
(5) All U.S., state, county, or other official benchmarks, monuments, or triangulation stations in or adjacent to the property shall be preserved in precise position.
(I) Supplemental information. Any other required improvements shall meet the requirements of the town Design Standards and Specifications Manual or other applicable codes and regulations.
(Ord. 2018-003, passed 4-19-2018) Penalty, see § 153.99