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. Note: In all A Zones, the reterenee lev~the lop of the lowest floor; in V Zones the retere~level is the bottom of the lowest horizontal structural member (see diagrem on page 2). Agents should refer to the Flood Insurance Manual for instruction on loweat 11oor definition. DIAGRAM NUMBER 5 ALL BUILDINGS, INCLUDING MANUFACTURED (MOBILE) HOMES ELEVATED ON PIERS. POSTS, COLUMNS, SHEAR WALLS, WRH OR WITHOUT PARKING AREA BELOW ELEVATED FLOOR. Dislingur9hing Fe9tur! -For all cones. the area below the elevated Iloor i5 open, with no obstruction to the flow of Iloctl waters (open wood Janice work or readily removable inseU screening is permissiblel. NIGHER FLOORS nF ANn DIAGRAM NUMBER 7 ALL BUILDINGS, INCLUDING MANUFACTURED (MOBILE) HOMES ELEVATED ON PIERS, POSTS, COLUMNS, SHEAR WALLS, SOLID NON-BREAKAWAY WALLS, WRM OR WITHOUT PARKING AREA BELOW ELEVATED FLOOR. Dktingulshing Feature -For all zones, Ne area below the elevated floor is enclosed. enher pamally or lully, by Solid DpD-breakaway walls, Q<contains equipment servicing me Duiltling. For V Zones only. Ne area is enclosetl, either pamally or fuly, by solitl breakaway walls" having an encored area greater than 300 square feel. For A Zones onty. wiN an area enUOSetl by soled walls having proper openings."' antl used only for parking. building access, or limited storage. use Diagram Number 8 to delennirw Ne reference level. NIGHER FLOORS IIF ANVI ELEVATED f iRST FLOOR REFERENCE LEVEL DIAGRAM NUMBER 6 ALL BUILDINGS, INCLUDING MANUFACTURED (MOBILE) HOMES ELEVATED ON PIERS, POSTS, COLUMNS, SHEAR WALLS, WITH OR WITHOUT PARKING AREA BELOW ELEVATED FLOOR. Distinguishing feature - For V Zones only, Ne area below Ne elevated Iloor is enUOSed. ether pamaly or fully, by solid breakaway walls.-' When encored area a greater than 300 square feet or contains equipment servicing the building, use Diagram Number 7; Nis will reSUM in a higher Insurance rate. The encored area can be used for padting, building access or limned storage. DIAGRAM NUMBER 8 ALL BUILDINGS CONSTRUCTED ABOVE AN UNFINISHED SPACE, INCLUDING CRAWL SPACE. Olstingulshing Feeluro - For A Zones only, the area bebw the hrst Moor i5 enclosed Dy solid or panial penmeter walls, a unfinished, antl contains ro equipmem servicing the structure. The area ran De used for parlung, building acreu, or limited Storage. RIGRER FLOORS , IIF ANVI Under the National Flood Insurance Program's hsk classilicefion and insurance coverage, a lloor Mat is below ground level (grade) on a/I sides is considered a basement even though the floor is used for living purposes, or as an office, garage, workshop, etc. -' Solid breakaway walls are walls that are not an integral part o1 the structural support o/ a building and are intended through then design and construction to collapse under sperJlic lateral loading forces, without causing damage to fne elevatetl portion o! the budding or suppomng foundation. An area so enclosed ~ noI secure against forceable entry. "' I( the area below the lowest tbor is fully enclosed, then a minimum of nvo openings are required with a total net area of at least one square inch for every square loot a{ area enclosed with the bottom of the openings no mare than one loot above grade. Alternatively, certilicalion may be provided by a registered professional engineer or architect that the design will allow equalizagon o! hydrostatic flood forces on exfenor walls. 1! neither o! these rliteda are met, then the reference level is the lowest grade atljacent to the structure. Page 6 ~ U.S. GOVERNMENT PRINi1NG OFFlCE: 1992 621F76511160a 593-117A 5/90 NIGHER FLOORS IIF AriYl