2012 International Building Code FEMA gov

2012 International Building Code Fema Gov-Free PDF

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A 110 3 3 Required inspections Lowest floor elevation In flood hazard areas upon placement of. the lowest floor including the basement and prior to further vertical construction the elevation. certification required in Section 1612 5 shall be submitted to the building official. A 110 3 10 1 Final inspection Flood hazard documentation If located in a flood hazard area. documentation of the elevation of the lowest floor required by Section 1612 5 shall be submitted to the. building official prior to the final inspection,SECTION 202 DEFINITIONS. BASE FLOOD The flood having a 1 percent chance of being equaled or exceeded in any given year. BASE FLOOD ELEVATION The elevation of the base flood including wave height relative to the. National Geodetic Vertical Datum NGVD North American Vertical Datum NAVD or other datum. specified on the Flood Insurance Rate Map FIRM, BASEMENT for flood loads The portion of a building having its floor subgrade below ground level. on all sides This definition of Basement is limited in application to the provisions of Section 1612. BASEMENT A story that is not a story above grade plane see Story above grade plane This. definition of Basement does not apply to the provisions of Section 1612 for flood loads. DESIGN FLOOD The flood associated with the greater of the following two areas. 1 Area with a floodplain subject to a 1 percent or greater chance of flooding in any year or. 2 Area designated as a flood hazard area on a community s flood hazard map or otherwise legally. designated, DESIGN FLOOD ELEVATION The elevation of the design flood including wave height relative to the. datum specified on the community s legally designated flood hazard map In areas designated as Zone. AO the design flood elevation shall be the elevation of the highest existing grade of the building s. perimeter plus the depth number in feet specified on the flood hazard map In areas designated as. Zone AO where a depth number is not specified on the map the depth number shall be taken as being. equal to 2 feet 610mm, DRY FLOODPROOFING A combination of design modifications which results in a building or structure. including the attendant utility and sanitary facilities being watertight with walls substantially impermeable. to the passage of water and with structural components having the capacity to resist loads as identified in. EXISTING CONSTRUCTION Any buildings and structures for which the start of construction. commenced before the effective date of the community s first floodplain management code ordinance or. standard Existing construction is also referred to as existing structures. EXISTING STRUCTURE For Section 1612 2 See Existing construction. EXISTING STRUCTURE For Chapter 34 A structure erected prior to the date of adoption of the. appropriate code or one for which a legal building permit has been issued. FLOOD or FLOODING A general and temporary condition of partial or complete inundation of normally. dry land from,1 The overflow of inland or tidal waters.
2 The unusual and rapid accumulation or runoff of surface waters from any source. 1 Starting with 2012 definitions moved to Chapter 2 from Section 1612 2. 2012 IBC flood doc 2 of 19, FLOOD DAMAGE RESISTANT MATERIALS Any construction material capable of withstanding direct. and prolonged contact with floodwaters without sustaining any damage that requires more than cosmetic. FLOOD HAZARD AREA The greater of the following two areas. 1 The area within a floodplain subject to a 1 percent or greater chance of flooding in any year. 2 The area designated as a flood hazard area on a community s flood hazard map or otherwise. legally designated, FLOOD HAZARD AREA SUBJECT TO HIGH VELOCITY WAVE ACTION Area within the flood hazard. area that is subject to high velocity wave action and shown on a Flood Insurance Rate Map FIRM or. other flood hazard map as Zone V VO VE or V1 30, FLOOD INSURANCE RATE MAP FIRM An official map of a community on which the Federal. Emergency Management Agency FEMA has delineated both the special flood hazard areas and the risk. premium zones applicable to the community, FLOOD INSURANCE STUDY The official report provided by the Federal Emergency Management. Agency containing the Flood Insurance Rate Map FIRM the Flood Boundary and Floodway Map. FBFM the water surface elevation of the base flood and supporting technical data. FLOODWAY The channel of the river creek or other watercourse and the adjacent land areas that must. be reserved in order to discharge the base flood without cumulatively increasing the water surface. elevation more than a designated height, LOWEST FLOOR The floor of the lowest enclosed area including basement but excluding any.
unfinished or flood resistant enclosure usable solely for vehicle parking building access or limited. storage provided that such enclosure is not built so as to render the structure in violation of Section 1612. SPECIAL FLOOD HAZARD AREA The land area subject to flood hazards and shown on a Flood. Insurance Rate Map or other flood hazard map as Zone A AE A1 30 A99 AR AO AH V VO VE or. START OF CONSTRUCTION The date of issuance for new construction and substantial improvements. to existing structures provided the actual start of construction repair reconstruction rehabilitation. addition placement or other improvement is within 180 days after the date of issuance The actual start of. construction means the first placement of permanent construction of a building including a manufactured. home on a site such as the pouring of a slab or footings installation of pilings or construction of. Permanent construction does not include land preparation such as clearing excavation grading or. filling the installation of streets or walkways excavation for a basement footings piers or foundations. the erection of temporary forms or the installation of accessory buildings such as garages or sheds not. occupied as dwelling units or not part of the main building For a substantial improvement the actual. start of construction means the first alteration of any wall ceiling floor or other structural part of a. building whether or not that alteration affects the external dimensions of the building. SUBSTANTIAL DAMAGE Damage of any origin sustained by a structure whereby the cost of restoring. the structure to its before damaged condition would equal or exceed 50 percent of the market value of the. structure before the damage occurred,2012 IBC flood doc 3 of 19. SUBSTANTIAL IMPROVEMENT Any repair reconstruction rehabilitation addition or improvement of a. building or structure the cost of which equals or exceeds 50 percent of the market value of the structure. before the improvement or repair is started If the structure has sustained substantial damage any. repairs are considered substantial improvement regardless of the actual repair work performed The term. does not however include either, 1 Any project for improvement of a building required to correct existing health sanitary or safety. code violations identified by the building official and that are the minimum necessary to assure. safe living conditions, 2 Any alteration of a historic structure provided that the alteration will not preclude the structure s. continued designation as a historic structure,INTERIOR FINISHES. 801 5 Applicability For buildings in flood hazard areas as established in Section 1612 3 interior. finishes trim and decorative materials that extend below the elevation required by Section 1612 shall be. flood damage resistant materials,CHAPTER 11,ACCESSIBILITY.
1107 7 5 General exceptions Design flood elevation The required number of Type A units and. Type B units shall not apply to a site where the required elevation of the lowest floor or the lowest. horizontal structural building members of nonelevator buildings are at or above the design flood elevation. resulting in, 1 A difference in elevation between the minimum required floor elevation at the primary entrances. and vehicular and pedestrian arrival points within 50 feet 15 240 mm exceeding 30 inches 762. 2 A slope exceeding 10 percent between the minimum required floor elevation at the primary. entrances and vehicular and pedestrian arrival points within 50 feet 15 240 mm. Where no such arrival points are within 50 feet 15 240 mm of the primary entrances the closest arrival. point shall be used,CHAPTER 12,INTERIOR ENVIRONMENT. 1203 3 Under floor ventilation,1203 3 2 Exceptions. 5 For buildings in flood hazard areas as established in Section 1612 3 the openings for under. floor ventilation shall be deemed as meeting the flood opening requirements of ASCE 24 provided. that the ventilation openings are designed and installed in accordance with ASCE 24. 2012 IBC flood doc 4 of 19,CHAPTER 14,EXTERIOR WALLS. 1403 6 Flood resistance For buildings in flood hazard areas as established in Section 1612 3 exterior. walls extending below the elevation required by Section 1612 shall be constructed with flood damage. resistant materials Wood shall be pressure preservative treated in accordance with AWPA U1 for the. species product and end use using a preservative listed in Section 4 in APWA Standard U1 or decay. resistant heartwood of redwood black locust or cedar. 1403 7 Flood resistance for high velocity wave action areas For buildings in flood hazard areas. subject to high velocity wave action as established in Section 1612 3 electrical mechanical and plumbing. system components shall not be mounted on or penetrate through exterior walls that are designed to. break away under flood loads,CHAPTER 16,STRUCTURAL DESIGN REQUIREMENTS.
Fa Flood load in accordance with Chapter 5 of ASCE 7. 1603 1 General Construction documents shall show the size section and relative locations of structural. members with floor levels column centers and offsets fully dimensioned The design loads and other. information pertinent to the structural design required by Section 1603 1 1 through Section 1603 1 9 shall. be indicated on the construction documents, Exception Construction documents for buildings constructed in accordance with the. conventional light frame construction provisions of Section 2308 shall indicate the following. structural design information,1 Floor and roof live loads. 2 Ground snow load Pg, 3 Ultimate design wind speed Vult 3 second gust miles per hour mph km hr and nominal. design wind speed Vasd as determined in accordance with Section 1609 3 1 and wind exposure. 4 Seismic design category and site class, 5 Flood design data if located in flood hazard areas established in Section 1612 3. 6 Design load bearing values of soils, 1603 1 7 Flood design data For buildings located in whole or in part in flood hazard areas as.
established in Section 1612 3 the documentation pertaining to design if required in Section 1612 5 shall. be included and the following information referenced to the datum on the community s Flood Insurance. Rate Map FIRM shall be shown regardless of whether flood loads govern the design of the building. 1 In flood hazard areas not subject to high velocity wave action the elevation of the proposed. lowest floor including basement, 2 In flood hazard areas not subject to high velocity wave action the elevation to which any non. residential building will be dry floodproofed, 3 In flood hazard areas subject to high velocity wave action the proposed elevation of the bottom. of the lowest horizontal structural member of the lowest floor including basement. 2012 IBC flood doc 5 of 19, 1605 2 1 Load combinations using strength design or load and resistance factor design Other. loads Where flood loads Fa are to be considered in the design the load combinations of Section 2 3 3. of ASCE 7 shall be used Where self straining loads T are considered in design their structural effects. in combination with other loads shall be determined in accordance with Section 2 4 4 of ASCE 7 Where. an ice sensitive structure is subjected to loads due to atmospheric icing the load combinations of Section. 2 3 4 of ASCE 7 shall be considered, 1605 3 1 2 Load combinations using allowable stress design Other loads Where flood loads Fa. are to be considered in design the load combinations of Section 2 4 2 of ASCE 7 shall be used Where. self straining loads T are considered in design their structural effects in combination with other loads. shall be determined in accordance with Section 2 4 4 of ASCE 7 Where an ice sensitive structure is. subjected to loads due to atmospheric icing the load combinations of Section 2 3 4 of ASCE 7 shall be. considered,SECTION 1612,FLOOD LOADS, 1612 1 General Within flood hazard areas as established in Section 1612 3 all new construction of.
buildings structures and portions of buildings and structures including substantial improvement and. restoration of substantial damage to buildings and structures shall be designed and constructed to resist. the effects of flood hazards and flood loads For buildings that are located in more than one flood hazard. area the provisions associated with the most restrictive flood hazard area shall apply. 1612 2 Definitions The following terms are defined in Chapter 2. BASE FLOOD,BASE FLOOD ELEVATION,DESIGN FLOOD,DESIGN FLOOD ELEVATION. DRY FLOODPROOFING,EXISTING CONSTRUCTION,EXISTING STRUCTURE. FLOOD or FLOODING,FLOOD DAMAGE RESISTANT MATERIALS. FLOOD HAZARD AREA, FLOOD HAZARD AREA SUBJECT TO HIGH VELOCITY WAVE ACTION. 2012 IBC flood doc 1 of 19 2012 International Building Code a compilation of flood resistant provisions prepared by FEMA This publication reproduces excerpts from the 2012 International Building Code International Code Council Inc Washington D C Reproduced with permission

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