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Land Development Standards Administrator. Switching enclosures, pad mounted transformers, and service pedestals may also be in- stalled above ground in locations approved by the Zoning Administrator. The City Council may approve, upon recommendations from the Plan Commission, above ground installations in whole or in part for developments, only when a request is submitted by the developer with documentation that supports the impracticability of installing such utility lines under- ground. 2. Water Facilities: The developer shall secure water service to each lot within the development for the purpose of providing sufficient potable water supply and fire protection. The developer shall arrange for installation of water mains. Fire hydrants shall be located and installed in accordance with specifications estab- lished by the Fire Chief. 3. Sanitary and Storm Sewers: Adequate sanitary sewer collection lines shall be provided and accessible to each lot. All sanitary sewers, sanita~ sewer connections, manholes, and other sanitary sewer installations serving the development shall comply with MSD design standards and design standards established by the Director of Public Works. In instances where there are differences between MSD standards and those established by the Director of Public Works, the most restrictive standard shall apply. The developer shall be responsible for installing all required building service connections. Every development shall be designed to control storm water nmoff. All storm sewers, storm sewer connections, detention/retention facilities, and other storm drainage improvements shall comply ~vith MSD design standards and design standards established by the Director of Public Works. In instances where there are differences between MSD standards and those established by the Director of Public Works, the most restrictive standard shall apply. Within the LC, GC, RC, IC, PD-C and PD-IC zoning districts, all storm drainage detention facilities shall be installed underground. do In residential developments, drainage/retention facilities and land area required to provide access to such facilities shall be located within common ground. Drainage detention facilities or other storm drainage facilities that will not be main- rained by MSD shall be conveyed to the trustees of the subdivision for maintenance purposes, in accordance with Section 29-35 of this Chapter. In single-lot developments, drainage detention facilities or other storm drainage facilities that will not be maintained by MSD shall be main- tained by the property owner. Drainage Discharge: All drainage provisions shall be of such design to carry surface waters to the nearest practical storm drain or natural water course as approved by the Director of Public Works. The finished grade of sites, one (1) acre or greater in area, from which all or a portion will drain into a natural or improved drainage way, shall be so designed so that storm water runoff is intercepted by diversion swales or area inlets, and lowered to a stable outlet constructed of concrete, rip-rap, pipe, or other techniques required by MSD or as specified by the Director of Public Works. The rate of discharge of surface water runoff shall be in accordance with the require- ments of MSD, except that the Director of Public Works may require a more restrictive discharge rate in areas where flash flooding, bank erosion, or other chronic storm water drainage problems exist. 4. Other Utilities: The design and installation of other utilities (e.g., electric dism~bution, gas mains and services, telephone, and cable television), shall be provided at a service level necessary for the development and in accordance with the specifications, approval, and inspection requirements of the applicable utility company. 5. All Underground Utilities: chapt29.fin 5-6 x~ approved by the Plan Commission on October 22, 1997