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20 <br />Highest Adjacent Grade (HAG) -- The highest natural elevation of the around surface, prior to <br />construction next to the proposed walls of the structure. <br />Historic structure -- Any structure that is: <br />1. Listed individually in the National Register of Historic Places (a listing maintained by the U.S. <br />Department of Interior) or preliminarily determined by the Secretary of Interior as meeting the <br />requirements for individual listing on the National Register: <br />2. Certified or preliminarily determined by the Secretary of Interior as contributing to the historical <br />significance of a registered historic district or a district preliminarily determined by the Secretary to <br />qualify as a registered historic district; <br />3. Individually listed on a local inventory of historic landmarks in communities with a "Certified <br />Local Government (CLG) Program," which has been approved by the Department of the Interior; <br />or <br />4. Individually listed on a local inventory of historic places in communities with historic preservation <br />programs that have been certified either by an approved state program as determined by the <br />Secretary of the Interior, or directs by the Secretary of the in states without approved programs <br />Lowest adjacent grade (LAG) The elevation of the ground sidewalk patio slab or deck support <br />immediately next to the building after completion of the building. <br />Lowest floor The sub floor, top of slab or grade of the lowest enclosed area (including basement). An <br />unfinished or flood resistant enclosure usable solely for parking of vehicles building access, or limited <br />storage in an area other than a basement area is not considered a building's lowest floor provided that such <br />an enclosure is not built so as to render the structure in violation of the applicable non - elevation design <br />requirements of this Ordinance. <br />Manufactured home park or subdivision -- A parcel (or contiguous parcels) of land divided into two or <br />more manufactured home lots for rent or sale. <br />Market Value The building value excluding the land (as agreed to between a willing buyer and <br />seller) as established by what the local real estate market will bear. An independent certified appraisal <br />can establish a market value using; replacement cost depreciated by age of building (Actual Cash Value) <br />or adjusted assessed values. <br />Mean sea level For purposes of the NFIP the National Geodetic Vertical Datum (NGVD) as corrected <br />in 1929 the North American Vertical Datum (NAVD) as corrected in 1988 or other vertical control <br />datum used as a reference for establishing varying elevations within the floodplain to which BFE's <br />shown on a FIRM are referenced Refer to each FIRM panel to determine datum used. <br />New construction -- Structures for which the "start of construction" commenced on or after March 16, <br />1981 and includes any subsequent improvements to such structures. <br />elevation more than one (1) foot as designated in the Flood Insurance Study report. <br />Obstruction Includes but is not limited to any dam wall wharf, embankment, levee, dike, pile, <br />abutment protection excavation channelization bridge conduit culvert building wire, fence, rock, <br />