Agenda - Planning Commission - 10/15/2015

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Ordinance Language Commentary water systems arc located and constructed to minimize or eliminate flood damage, and (c) Adequate drainage is provided to reduce exposure of fl d hazard. 7.3 Building Sites Nf a proposed building site is in a flood pronc arm, all new constructi n and substantial impr vements (including thc placement f manufactured h mos) must be: 40) Designed (or modified) and adequately anch red t prevent floatation, collapse, or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including thc effects of buoyancy; 4b) C nstructcd with materials and utility equipment resistant to flood damage; 4c) C nstructcd by mcth ds and practices that minimize flood damage; and 4d) Constructed with electrical, h oting, ventilation, plumbing, and air conditioning equipment and thcr service facilities that arc designed and/or located so as to prevent water from entering or accumulating within thc c mponcnts during conditions of flooding. SECTION 8.0 PUBLIC UTILITIES, RAILROADS, ROADS, AND BRIDGES 8.1 Public Utilities: All public utilities and facilities such as gas, electrical, sewer, and water supply systems to be located in the floodplain must be floodproofed in accordance with the State Building Code or elevated to the regulatory flood protection elevation. 8.2 Public Transportation Facilities: Railroad tracks, roads, and bridges to be located within the floodplain must comply with Sections 4.0 and 5.0 of this ordinance. These transportation facilities must be elevated to the regulatory flood protection elevation where failure or interruption of these facilities would result in danger to the public health or safety or where such facilities are essential to the orderly functioning of the area. Minor or auxiliary roads or railroads may be constructed at a lower elevation where failure or interruption of transportation services would not endanger the public health or safety. 8.3 On-site Water Supply and Sewage Treatment Systems: Where public utilities are not provided: 1) On-site water supply systems must be designed to minimize or eliminate infiltration of flood waters into the systems; and 2) New or replacement on-site sewage treatment systems must be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters and they must not be subject to impairment or contamination during times of flooding. Any sewage treatment system designed in accordance with the state's current statewide standards for on-site sewage treatment systems is considered to be in compliance with this Section. July 2015 14 7.3 is optional, to be used in conjunction with 7.1. Commented [TG36]: Not in current City Code. Staff recommends that this NOT be added. Commented [TG37]: 117-186