Agenda - 04-21-2009 - 5b - Laserfiche WebLink

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36 Special flood hazard area (SERA) -- The land in the floodplain subject to a one (1) percent or renter chance of being flooded m any given near as determined in Section 4 2 39 of this Ordinance as defined the base flood elevation The manned special flood hazazd azea approximates the base flood elevation S ecial Flood Hazard Area Overlay District' An overlay district establishing standards for development for properties within identified floodplains Start of Construction -- Includes substantial improvement and means the date the building_permit was issued, provided the actual start of construction repair reconstruction rehabilitation addition placement or other improvement was within 180 days of the permit date The actual start means either the first lp acement of permanent construction of a structure (includinc a manufactured home) on a site such as the pounng of slabs or footings installation of piles construction of columns or any work beyond the stage of excavation; or the placement of a manufactured home on a foundation Permanent construction does not include land preparation such as clearing'- rg adin~ and fillin~• nor does it include the installation of streets and/or walkways' nor does it include excavation for a basement footingypiers or foundations or the erection of temporary forms' nor does it include the installation on the property of accessory buildrngs, such as gazages or sheds not occupied as dwelling units or not part of the main structure For a substantial improvement, the actual start of construction means the first alteration of any wall ceiling, floor, or other structural part of the building whether or not that alteration affects the external dimensions of the building. Substantial damage -- Damage of any origin sustained by a structure during_anv one yeaz period whereby the.cost of restoring the structure to its before-damaged condition would equal or exceed fifty (50) percent of the market value of the structure before the damage occurred See definition of "substantial improvement." Substantial damage also means flood-related damage sustained by a structure on two separate occasions during a ten (10)-mar period for which the cost of repairs at the time of each such flood event, on the average equals or exceeds twenty-five (25) percent of the mazket value of the structure before the damage occurred . Substantial improvement -- Anv combination of repairs reconstruction rehabilitation addition or other improvement of a structure taking_place during ~y one year period whereby the cost of which equals or exceeds fifty (501 percent of the mazket value of the structure before the start of construction of the improvement. This term includes structures which have incurred substantial dama a regardless of the actual repair work performed. The term does not however include either ariy correction of existing violations of State or Orange County health sanitary or safety code specifications which have been identified by the Orange County code enforcement official and which are the minimum necessary to assure safe living conditions or any alteration of a historic structure provided that the alteration will not preclude the structure's continued designation as a historic structure Water surface elevation (WSE) -- The height in relation to mean sea level of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas Watercourse -- A lake, river, creek, stream wash channel or other topographic feature on or over which waters flow at least periodically Watercourse includes specifically designated areas in which substantial flood dama a may occur. Violation -- The failure of a structure use or development to be fully compliant or is inconsistent with any provision of this Ordinance. A structure or other development without the elevation certificate other