08-16-2004 Planning Packet - Laserfiche WebLink

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shall be no higher than one'foot above grade. The automatic upen.r.gs shall have a mmtmutr. net area of not less than one square inch for ever> square foot subject to flooding unless a rcgi-stered professional engineer or architect certifies that a smaller net area would suffice The automatic openings mjy be equipped wiCn screens, louvers, valves, or other coverings or devices provided that they pemn the automatic entr> and exit of flood waters without any form of human interv ention, and 2 That the enclosed area w ill i>c designed of tlood ie>.stunt materials in accordance with the FP-3 or FP-4 ciassificaiions in the Slate Building Code and shall be used solely for building access, parking of vehicles or storage. (2) Basements, as defined by Scctu>n TS-1 11 1(a)(2) of this Ordinance, shall be subject to the following a. Residential basement construction shall not be allowed below the reguLtorv f ood protection elevation b. Non-icsidenlial basements may be allowed K*low tlic legulaloty flood piotcttior. elevation provided the baseme-t is structurally dry flood proofed in accordance with Section 7S-11 21 (3) of ihu Ordinance i3) All areas of non residential structures including basemen's to be ^laced below the regulatory flood protection elevation shall be flood proofed in accordance with the strucrurally dry flood proofing classifications in the State Building Code Siiucturaliy dry flood pro*»fing must meet the FP-l or FP-2 flood proofing classification in the State Building Code and this shall require making the structure watertight with the walls substantially impermeable to the passage of water .'iiu w ith structural components having the capability of re*isiing hydrostatic and hydrodynamic loads and the effects of buoyancy Structures flood proofed to the FP-3 or FP-4 classification shall not be permitted (4) When at any one time more than 1,000 cubic yards of fill or other similar material is located on a parcel for such activities as on-site storage, landscaping, sand and gravel operations, landfills, roads, dredge spoil disposal or construction of flood control works, an erosion, sedimentation control plan must be .vubmmcd unlcs.> the community is enforcing a stale approved shoreland management ordinance. In the absence of a state approv ed shotcland ordinance, the plan must clearly specify methods to be used to stabilize the fill on site for a flood event at a minimum of the 100-year or regional flood event. The plan must be ptepaird and certified by a registered professional engineer or other qualified individual acceptable lo the City Council. The plan nuy incorporate alternative procedures for removal of the material from the flood plain if adequate flood w ammg time exists. (5) Storage of .Materials and Equipment a. The storage or processing of materials that ate. tn time of flooding, flammable, explosive, or potcniialiy injurious to human, animal, or plant life is prohibited i UM’ici ! step. 1/1/2004 rruiu»i