For May 4, 2010 BOS HearingTHIS THE CLERK OF THE BOARD FORMAT!!!existing run<strong>of</strong>f from <strong>the</strong> base flood produced by <strong>the</strong> basin or watershed, but in which additionalrun<strong>of</strong>f may not be safely contained by said channels or structures. All drainage basins shall beconsidered to be balanced basins unless a basin has been designated as a critical drainage basin.(Ord. 2010 FC-1; Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1988 FC-2 Art. 4 (part), 1988)16.08.050Base flood."Base flood" means a flood with <strong>the</strong> peak discharge <strong>of</strong> a one hundred-year flood. The base floodhas a one-percent probability <strong>of</strong> being equaled or exceeded in any given year. Commonlyreferred to as <strong>the</strong> 100-year flood, thisSaid flood shall be determined from an analysis <strong>of</strong> floodson a particular watercourse and o<strong>the</strong>r watercourses in <strong>the</strong> same general region in accordance with<strong>the</strong> criteria established by <strong>the</strong> director <strong>of</strong> <strong>the</strong> ADWR, or <strong>the</strong> Flood Control District Board, whichcriterion is hereby incorporated by reference and made a part <strong>of</strong> this title. (Ord. 2010-FC-1; Ord.2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1988 FC-2 Art. 4 (part), 1988)16.08.060Base flood elevation."Base flood elevation" means <strong>the</strong> calculated water-surface elevation <strong>of</strong> <strong>the</strong> base flood. (Ord.1999-FC-1 §§ 1 (part) 1999; Ord. 1988-FC2 Art. 4 (part), 1988)16.08.070Basement."Basement" means any area <strong>of</strong> a building having its floor sub-grade (below ground level) on allsides. (Ord. 2005-FC2 § 2 (part), 2005)16.08.080Board."Board" means <strong>the</strong> Board <strong>of</strong> Supervisors <strong>of</strong> <strong>Pima</strong> <strong>County</strong> sitting as <strong>the</strong> Board <strong>of</strong> Directors for <strong>the</strong>Flood Control District, known from this point forward as <strong>the</strong> Board, as <strong>the</strong> governing body forcodes, <strong>ordinance</strong>s and o<strong>the</strong>r regulations relating to floodplain management within <strong>Pima</strong> <strong>County</strong>,but excluding Indian and military reservations and incorporated communities that elected toassume separate floodplain management duties and powers, as set forth in <strong>the</strong> A.R.S., Title 48,Chapter 21 Districts. (Ord. 2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part), 1999; Ord.1988 FC-2 Art. 4 (part), 1988)16.08.090Board <strong>of</strong> Supervisors."Board <strong>of</strong> Supervisors," means <strong>the</strong> governing body <strong>of</strong> <strong>Pima</strong> <strong>County</strong> as defined in Title 11,Chapter 2, <strong>of</strong> <strong>the</strong> A.R.S. (Ord. 2005-FC2 § 2 (part), 2005)16.08.100Chief Engineer."Chief Engineer" means an <strong>of</strong>ficial <strong>of</strong> <strong>Pima</strong> <strong>County</strong> or authorized representative <strong>of</strong> <strong>the</strong> FloodControl District whose duties are as set forth in A.R.S. Section 48-3603, and who is an Arizonaregistered civil engineer in <strong>the</strong> state <strong>of</strong> Arizona. For <strong>the</strong> Flood Control District, <strong>the</strong> ChiefEngineer is also <strong>the</strong> director <strong>of</strong> <strong>the</strong> <strong>Pima</strong> <strong>County</strong> Regional Flood Control District. The Chief10
For May 4, 2010 BOS HearingTHIS THE CLERK OF THE BOARD FORMAT!!!Engineer, or an authorized designee, is in charge <strong>of</strong> enforcement <strong>of</strong> this title, and is responsiblefor administrating appeals and waivers to engineering standards specified in this title. (Ord. 2005FC-2 § 2 (part), 2005)16.08.110<strong>County</strong> Engineer."<strong>County</strong> Engineer" means an <strong>of</strong>ficial <strong>of</strong> <strong>Pima</strong> <strong>County</strong> whose duties are set forth in A.R.S.Section 11-562 and 48-3603. The <strong>County</strong> Engineer is also <strong>the</strong> director <strong>of</strong> <strong>the</strong> <strong>Pima</strong> <strong>County</strong>Department <strong>of</strong> Transportation. (Ord. 2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part),1999; Ord. 1988 FC-2 Art. 4 (part), 1988)16.08.120Critical drainage basin."Critical drainage basin" means a drainage basin or watershed that contains flood water channels,natural or manmade, and/or flood control structures that cannot convey existing run<strong>of</strong>f during abase flood produced by <strong>the</strong> basin or watershed, and which has a documented history <strong>of</strong> severehazards. (Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1988 FC-2 Art. 4 (part), 1988)16.08.130Critical or balanced drainage basin management plan."Critical or balanced drainage basin management plan" means a site-specific plan for a balancedor critical basin or watershed which has been prepared for and approved by <strong>Pima</strong> <strong>County</strong>, andprovides a conceptual plan for orderly development <strong>of</strong> flood control, floodplain management,and associated erosion hazard-control measures that may be necessary as a result <strong>of</strong> urbanizationwithin <strong>the</strong> basin or watershed. (Ord. 2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part),1999; Ord. 1988 FC-2 Art. 4 (part), 1988)16.08.140Cumulative substantial damage."Cumulative substantial damage" means <strong>the</strong> total cost <strong>of</strong> all repairs to a repetitive loss structurethat has incurred repetitive loss or damage in order to determine <strong>the</strong> applicability <strong>of</strong> <strong>the</strong>substantial improvement provisions <strong>of</strong> this Title. When <strong>the</strong> total cost <strong>of</strong> all repairs to <strong>the</strong>repetitive loss structure equals or exceeds <strong>the</strong> 50% substantial improvement threshold, <strong>the</strong>structure must be brought into compliance. shall not cumulatively increase <strong>the</strong> market value <strong>of</strong><strong>the</strong> structure more than 49 percent <strong>of</strong> <strong>the</strong> market value during <strong>the</strong> life <strong>of</strong> <strong>the</strong> structure. This termdoes not, however, include ei<strong>the</strong>r:A. Any project for improvement <strong>of</strong> a structure to correct existing violations <strong>of</strong> state or localhealth, sanitary or safety code specifications which have been identified by <strong>the</strong> local codeenforcement <strong>of</strong>ficial and which are <strong>the</strong> minimum necessary to assure safe living conditions; orB. Any repair <strong>of</strong> flood damage to an "historic structure," provided <strong>the</strong> repair will not preclude <strong>the</strong>structure's continued designation as an "historic structure." (Ord. 2010 FC-1; Ord. 2005 FC-2 § 2(part), 2005)16.08.150Cumulative substantial improvement.11
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