underline-strikeout version of the final draft ordinance - Pima County ...

For May 4, 2010 BOS HearingTHIS THE CLERK OF THE BOARD FORMAT!!!1. An adequate surface for the pad or lot to meet the minimum drainage standards under theuniform building code and access for a hauler shall be provided;2. All manufactured homes shall be placed on pads or lots elevated on compacted fill inaccordance with 16.26.050.Fwhich shall be, at a minimum, at or above the base flood elevation;or shall be elevated on a stem wall, on piers or on pilings, shall be elevated so that the bottom ofthe structural frame or and the lowest point of any attached appliances(s), whichever is lower, isare at or above the regulatory flood elevation.3. For manufactured homes placed on If elevated on pilings, piers or stem walls:a. The lots shall be large enough to permit steps;b. The pilings, piers or stem walls shall be placed in stable soil to a depth sufficient to addresserosion concerns, and constructed to address lateral flood forces using methods approved by theChief Engineer, andc. If pilings or piers are used, then their placement shall be no more than ten feet apart. ; andcC. Structures designed or utilized for human habitation, whether on a full-time or part-timebasis, and which will be completely surrounded by floodwaters during the base flood shall onlybe permitted wherewhen:1. Tthe product of the flow depth (d), in feet, times the square of the flow velocity (v), in feet persecond, of the surrounding flood waters of the base flood does not exceed the numerical value of18 for a period in excess of 30 minutes at any point adjacent to the structure and associatedimprovements, including fill, andor2. Tthe surrounding flood waters of the base flood do not exceed 3 feet in depth at any pointadjacent to the structure and associated improvements, including fill.3. For purposes of this section, depth and velocity shall be post development values and shall becalculated as follows:a. When flow distribution information is available, it shall be used to provide the mostrepresentative values for flood depth and velocity.b. When approximate information is available, average depths and velocities may be used.(Ord. 2010 FC-1; Ord. 2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1998FC-1 Sec. 2, 1998; Ord. 1988)16.34.040Certification requirements.A. Certification that the installation of a manufactured home meets all of the requirements of thiscertification that the installation of a manufactured home meets all of the requirements of thischapter is required including that the location, orientation, and method of installation andelevation were constructed in accordance with the conditions of the floodplain use permit. Suchcertification shall be provided by the person installing the manufactured home, the owner, thedeveloper of the manufactured home park or subdivision, or any agency regulating manufacturedhome placement, whichever is deemed appropriate by the Chief Engineer.B. Certification of elevations listed on the floodplain use permit shall be prepared and sealed byan Arizona registered land surveyor or civil engineer, and provided to the Chief Engineer prior tohabitation of the structure in accordance with Section 16.20.070. (Ord. 2010 FC-1; Ord. 2005FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1988 FC-2 Art. 10 (D), 1988)56