5-21-12: IMPROVEMENT STANDARDS:
   A.   Purpose: It is the purpose of this section to establish and define the public improvements which will be required to be constructed by the subdivider as conditions for final plat approval and also to outline the procedures and responsibilities of the subdivider and the various public officials and agencies concerned with the administration, planning, design, construction, and financing of public facilities and to further establish procedures for assuring compliance with these requirements.
   B.   Responsibility For Plans: It shall be the responsibility of the subdivider of every proposed subdivision to have prepared by a registered engineer, a complete set of construction plans, including profiles, cross section, specifications, and other supporting data, for all required public streets, utilities and other facilities. Such construction plans shall be based on preliminary plans which have been approved with the preliminary plat, and shall be prepared in conjunction with the final plat. Construction plans are subject to approval by the public works director/city engineer and other responsible public agencies. All construction plans shall be prepared in accordance with the public agencies' standards or specifications.
   C.   Required Public Improvements: Every subdivider shall be required to install the following public and other improvements in accordance with the conditions and specifications as follows:
      1.   Monuments: Monuments shall be set in accordance with section 50-1313, Idaho Code.
      2.   Streets And Alleys: All streets and alleys shall be constructed in accordance with the standards and specifications adopted by the council. Vertical curbs and gutters shall be constructed on arterial streets.
      3.   Curbs And Gutters: Curbs and gutters shall be required on minor streets and shall be constructed in accordance with the standards and specifications adopted by the council.
      4.   Installation Of Public Utilities: Underground utilities are recommended and may be required by the council in areas where overhead facilities would not be compatible with the surrounding properties.
      5.   Driveways: All driveway openings in curbs shall be as specified by the public works department, highway district or state highway department.
      6.   Water Supply System: When a proposed subdivision is to be serviced by a public water supply system, fire hydrants and other required water system appurtenances shall be provided by the subdivider. If there is no existing or accessible public water supply system, the subdivider shall be required to install a water supply system for the common use of the lots within the subdivision as approved by state department of environmental quality. Individual wells may be permitted in accordance with the requirements of the appropriate health district.
      7.   Sanitary Sewer System: When a proposed subdivision is to be served by a public sanitary sewage system, sanitary sewers and other required appurtenances thereto shall be provided by the subdivider as approved by the state department of environmental quality. Where it is determined in the judgment of the commission, based upon the advice of the appropriate health district, that a subdivision cannot be feasibly connected with an existing public or private sewer system, a public or private sewer system may be authorized which shall comply with the requirements of the appropriate health district.
      8.   Sidewalks And Pedestrian Walkways: Sidewalks shall be required on both sides of the street. Where the average width of lots, as measured at the frontage line or at the building setback line, is over one hundred feet (100'), sidewalks on one side may be required by the council. Pedestrian walkways, when required, shall have easements at least ten feet (10') in width and include a concrete walk at least five feet (5') in width, located generally along the centerline of the easement, dedicated as a public pedestrian walkway. Sidewalks and crosswalks shall be constructed in accordance with the standards and specifications as adopted by the council.
      9.   Greenbelt: Greenbelts or landscaping screening may be required for the protection of residential properties from adjacent major arterial streets, waterways, railroad rights of way or other features. Subdivision plats shall show the location of any greenbelt areas.
      10.   Street Lighting: Streetlights may be required to be installed at intersections throughout the subdivision. In these cases a subdivider shall conform to the requirements of the city and the public utility in providing such lighting.
      11.   Bicycle Paths: Bicycle paths should be considered in all developments and may be required by the commission.
      12.   Responsibility For Private Improvements And Public Utilities: It shall be the responsibility of the subdivider to arrange and provide for the development, installation, construction or other improvement of private facilities and public utilities within and for the subdivision in accordance with applicable standards and requirements.
      13.   Responsibilities For Construction Of Public Works:
         a.   The scope of this section is to define the respective areas of responsibility of the subdivider and the city relative to the installation, construction, or other improvements of public works en route to and within the boundaries of a subdivision.
         b.   In certain instances, the city may require formal written agreements with the subdivider that more fully and specifically describe their respective obligations and responsibilities.
      14.   General: It shall be the responsibility of the subdivider to complete at his sole expense all the development and construction of public works for and within his subdivision, except as specifically provided otherwise to be the obligation and responsibility of the city, or as may be accepted by the city as being within the spirit and intent of its responsibilities.
      15.   Completion Of Public Works: The subdivider shall complete the installation or construction of all the different phases of public works for which he is responsible before the city will accept any of them. This requirement may be satisfied by completion of a stage if a staged development is called for in the approved development plan.
      16.   Guarantee Of Completion: Until the public works for which the subdivider is responsible are complete, or an acceptable stage of the development is completed, the city will issue no building permit for private construction therein, unless a satisfactory performance bond or other suitable guarantee of performance acceptable to the city is provided by the subdivider.
      17.   Evidence Of Completion:
         a.   The subdivider shall notify the city in writing when the public works for which he is responsible have been completed;
         b.   The public works director/city engineer shall also certify in writing, a copy of which shall be sent to the subdivider, that the said public works have been inspected by him or his authorized representative, and that the said public works have been completed in accordance with applicable standards and specifications. "As built construction plans" shall be submitted to the city upon completion.
      18.   Acceptance Of Public Works: Compliance with the foregoing provisions shall constitute the city's acceptance of the public works. The city shall thereby accept said public works and be responsible for their operation and maintenance in accordance with city policies.
      19.   Streets:
         a.   Subdivider Requirements: The subdivider shall perform, install, construct, or otherwise complete at his sole expense the following items relative to street improvements within the boundaries of the subdivision:
            (1)   Route (or boundary) surveys of the dedicated rights of way.
            (2)   Construction surveys of line and grade.
            (3)   Installation of sidewalks, as applicable.
            (4)   Installation of curb and gutters, as applicable.
            (5)   Preparation of the subgrade.
            (6)   Installation of the roadway base course.
            (7)   Installation of a crushed gravel leveling course to be used as a temporary wearing surface until a permanent asphalt pavement is installed.
            (8)   Installation of asphalt pavement shall be installed following the installation of curbs and gutters.
            (9)   Adequate runoff, storm sewers, pipes, culverts, ditches or other drainage facilities as designated by the commission.
         b.   City Requirements: The city shall perform, install, construct, or otherwise complete at its sole expense the following items relative to street improvements within the boundaries of the subdivision:
            (1)   Installation of traffic control signs and signals and street name signs;
            (2)   Improvements, to the extent the city deems suitable, subject to budgetary limitations, such existing right of way it considers necessary to provide adequate access to the subdivision;
            (3)   Inspection of all phases of construction to assure compliance with applicable standards and specifications.
      20.   Sanitary Sewage Collection System: The subdivider shall be responsible for the installation of a sanitary sewage collection system within the boundaries of the subdivision. The subdivider shall perform, install, construct or otherwise complete at his sole expense the following items relative to sanitary sewers:
         a.   Preparation of plans and specifications for the construction of the sanitary sewer system, including extensions from the existing collection system, and the approval of said plans and specifications by the Idaho department of health and welfare, division of environmental quality;
         b.   Construction surveys of line and grade within the subdivision;
         c.   Installation of the sewer system within the subdivision, including sewers, manholes and other appurtenances, and, if applicable, sewage pumping stations;
         d.   Installation of a sewer service line to the property line of each lot with appropriate termination cleanout with traffic lid;
         e.   Installation of a sewer extension from the existing collection system to a designated point of connection near the subdivision;
         f.   Connections to the sewers will be in accordance with existing procedures and the policies of the city; and the subdivider will be liable for the payment of sewer assessment and hookup charges as provided by city ordinances.
      21.   Water Distribution System: The subdivider shall be responsible for the installation of a culinary water distribution system within the boundaries of the subdivision. The subdivider shall perform, install, construct, or otherwise complete at his sole expense the following items relative to a culinary water distribution system:
         a.   Preparation of plans and specifications for the construction of the water distribution system, and the approval of said plans and specifications by the Idaho department of health and welfare, division of environmental quality;
         b.   Construction surveys of line and grade within the subdivision;
         c.   Installation of the water distribution system within the subdivision, including water lines, control valves, fire hydrants, and appurtenant facilities;
         d.   Installation of a water service line to the property line of each lot;
         e.   Installation of a water line extension or extensions as indicated above;
         f.   Connections to the water mains shall be in accordance with existing procedures and policies of the city; and the subdivider shall be liable for the payment of water assessment and hookup charges as provided by city ordinances.
      22.   Reimbursement For Oversizing: In the event the city requires the subdivider to install oversized pipelines or other excess facilities to make provisions for present or future service needs in excess of the requirements for the subdivision, the city shall reimburse the subdivider for the additional costs of material and installation resulting therefrom.
      23.   Building Line Setback: In all new subdivisions the building line setback shall be a minimum of twenty feet (20') from the property line. In the event that a new subdivision is located along a street with existing residences, the setback line shall be not less than other structures along the street and preferably should be set back at an average of the existing structures.
      24.   Side And Rear Lot Line Clearance: In all new subdivisions no building of any nature shall be placed or constructed nearer than five feet (5') of the property line. Where utility rights of way or other rights of way or easements are provided along property lines and lot lines no structure of any nature shall be permitted in such rights of way or easements, except for the purpose for which they are provided. (Ord. 734, 4-18-1995; amd. Ord. 830, 8-6-2002)