§ 157.60 SUBDIVISION IMPROVEMENTS.
   (A)   Improvements required.
      (1)   It shall be the responsibility and the duty of the subdivider to improve or agree to improve all public improvements and all other subdivision improvements as specified herein, in the subdivision and adjacent thereto required to serve the subdivision. These shall include half-street improvements for any portion of a street that abuts the subdivision. No permanent improvement work shall be commenced until improvement plans and profiles have been approved by the city. Improvements shall be installed to the permanent line and grade and to the satisfaction of the City Engineer, and in accordance with guidelines approved by the city for site development and infrastructure construction.
      (2)   Cost of all inspections shall be paid by the subdivider. Improvements include the following:
         (a)   Grading, curbs and gutters, paving, drainage and drainage structures necessary for the proper use and drainage of streets, alleys and pedestrian ways;
         (b)   Site grading and drainage, taking into consideration the drainage pattern of adjacent improved and unimproved property and treating upstream areas, where appropriate, as though fully improved;
         (c)   All streets, alleys and pedestrian ways shall be constructed to widths and grades shown on the improvement plans and profiles. The subdivider shall improve the extension of all subdivision streets and pedestrian ways to any intercepting or intersecting streets. Access to and within subdivisions shall be provided by paved streets improved to city standards;
         (d)   Sidewalks shall be installed as shown on the improvement plans and profiles in accordance with city policy;
         (e)   Sanitary sewer facilities connecting with the existing city sewer system shall be installed to serve the subdivision with a separate private lateral for each lot and to grades and sizes shown on the plans;
         (f)   Storm water drains and retention facilities shall be installed as shown on the plans;
         (g)   All irrigation, facilities to remain within the boundaries of the subdivisions or in an abutting one-half street or alley right-of-way shall be tiled in accordance with the standards of the owning agency and or relocated as may be directed by the city and owning agency requirements;
         (h)   Water mains and fire hydrants connecting to the water system shall be installed per city standards and as per approved plans. Mains and individual lot services shall be of sufficient size to furnish adequate water supply for each lot or parcel in the subdivision and to provide adequate fire protection;
         (i)   Street name signs and other traffic-control devices shall be installed by and at the sole expense of the subdivider;
         (j)   Landscaping and irrigation systems shall be installed and approved by the city;
         (k)   Permanent monuments, barricades and traffic safety devices shall be placed as required by the City Engineer;
         (l)   Street lighting facilities shall be provided in accordance with the requirements of the city;
         (m)   All existing and proposed telephone, electric power, cable television, or other wires or cables either within the development or within public rights-of-way immediately adjacent to the development shall be placed underground. Equipment appurtenant to the underground facilities, such as surface-mounted transformers, pedestal cabinets and concealed ducts may be above ground provided acceptable visual screening is provided. The developer shall make necessary arrangements with the parent utility companies for both the installation of new underground facilities and conversion of existing overhead facilities to underground facilities. Application for waiver of the underground utility conversion requirements may only be made for electrical facilities with line voltage of 69,000 volts or higher, and only at the time of the subdivision plat approval process. Each such application for waiver shall be considered individually and acted upon by the City Council in conjunction with the subdivision approval process;
         (n)   Provisions shall be made for any railroad crossings necessary to provide access to or circulation within the proposed subdivision, including grade crossing projections as may be required by the state’s Corporation Commission;
         (o)   A wall with decorative blocks and irregular alignment, or other screening materials, to be approved by the city, shall be required adjacent to arterial streets;
         (p)   Streets, sewer and water utilities and all other improvements shall comply with the requirements of the city; and
         (q)   All underground installations shall be constructed prior to surfacing the street. Service stubs to platted lots within the subdivision for underground utilities shall be placed to such length as not to necessitate disturbance of street improvements when service connections are made.
(Prior Code, § 11-8.01)
   (B)   Engineering plans.
      (1)   The subdivider shall be responsible for the preparation of complete engineering plans, prepared by an Arizona registered civil engineer, satisfactory to the City Engineer for construction of required improvements. The plans shall be based on the approved preliminary plat and be prepared in conjunction with the final plat.
      (2)   The final plat shall not be presented to Council until all engineering plans for water, sanitary sewer, grading, street construction, street lighting, landscaping and all other required improvements have been approved by the City Engineer.
(Prior Code, § 11-8.02)
(Ord. 747, passed - -1995; Ord. 905, passed - -2008) Penalty, see § 157.99