Risk Category II buildings use a basic wind speed map based on a 700-year return period. Lift coefficient. Scuttles, skylight ribs and accessible ceilings, 31. The calmest month of the year at George Bush Intercontinental Airport is August, with an average hourly wind speed of 5.6 miles per hour. property where the building will be constructed into the ASCE 7 Windspeed Website: See Sections 1609A for wind design requirements and 1613A for earthquake design requirements. Current WInds. The City of Dothan has adopted the following building codes as of April 21, 2017: The National Fire Protection Association (NFPA) Standards - For additional information, please refer to Chapter 38 of the City of Dothan Municipal Code. The Jet Stream map shows today's high wind speed levels and jetstream directions. The 2020 City of Los Angeles amendment pages fully integrated into the 2019 California Building Code (Title 24, Part 2, Volumes 1 and 2). Section R301.1.3, 2012 IRC and Sections 1705.8 and 1803.1, 2012 IBC. The design rainfall shall be based on the 100-year hourly rainfall rate indicated in Figure 1611.1 or on other rainfall rates determined from, Roofs equipped with hardware to control the rate of drainage shall be equipped with a secondary drainage system at a higher elevation that limits accumulation of water on the roof above that elevation. Required Inspection Required Renewal Not Required Fee $84.98 Admin fee $31.32 Plan review fee May be subject to valuation plan review Processing Time Subject to online processing or in person sales window Conditions & Exceptions Statutory Authority Conditions & Exceptions Plan review required depending on the scope of work. This code includes numerous references to the International Mechanical Code. to be considered as made to the City of Houston Electrical Code. Wood shutters or other wooden protection panels may be an acceptable substitute for an impact-resistant material. The wind speeds identified on the Oregon map are based on geographical location and applicable Risk Category. Rain load on the undeflected roof, in psf (kN/m, The mapped spectral accelerations for short periods as determined in, The mapped spectral accelerations for a 1-second period as determined in, The maximum considered earthquake spectral response accelerations for short period as determined in, The maximum considered earthquake spectral response accelerations for 1-second period as determined in, The span of the horizontal element in the direction of the tie, between bearing, A coefficient with a value of 1,500 pounds per foot (2.25 kN/m) for, A coefficient with a value of 16,000 pounds (7200 kN) for structures with. International Residential Code for One- and Two-family Dwellings (IRC), Disaster-resistant Concrete Shell Variations, Sample Structural Analysis for a Concrete Shell, Tornado-resistant Houses With Insulated Concrete Walls, International Wildland Urban Interface Code, International Private Sewage Disposal Code. at basic wind speed, V = 110 mph. Note again that there is no reference in the IRC Wind Design map to tornado wind design provisions in the regions shown below. Soil and Foundation. Contact. Below is the NOAA Tornado activity map as shown previously. The arrows point in the direction in which the wind is blowing. %PDF-1.6 % Wind-on-ice in accordance with Chapter 10 of ASCE 7. In lieu of a WPI-8, TWIA may request a statement from the local building inspector, an engineer, or an architect for construction between the following dates: Seabrook January 1, 1988 to March 1, 1996 La Porte January 1, 1988 to June 1, 1996 Morgan's Point January 1, 1988 to March 1, 1997 Pasadena January 1, 1988 to March 1, 1997 Shore Acres January 1, 1988 to March 1, 1997, * Inside the city limits of these cities and East of Highway 146, For more information, contact: 11. The alternate wind design provisions in this section are simplifications of the ASCE 7 Directional Procedure. The Policies and Procedures describe the general framework of the program and allow the Public Works Department to install traffic control devices deemed necessary to improve safety. The City of League City revised its Chapter 22 Buildings and Building Regulations (PDF) ordinance. The basic design wind speed, V, for the special wind regions indicated near mountainous terrain and near gorges shall be in accordance with local jurisdiction requirements. Depth of water on the undeflected roof up to the inlet of secondary drainage system when the primary drainage system is blocked (i.e., the static head), in inches (mm). It is the user's responsibility to verify all data represented in the maps. The Saffir-Simpson hurricane wind scale (SSHWS), (or the Saffir-Simpson hurricane scale (SSHS)) classifies hurricanes Western Hemispheretropical cyclones that exceed the intensities of tropical depressions and tropical storms into five categories distinguished by the intensities of their sustained winds. endstream endobj 429 0 obj <. Load due to lateral earth pressures, ground water pressure or pressure of bulk materials. No. Ultimate design wind speed, Vult, (3-second gust), miles per hour (km/hr) and nominal design wind speed, Vasd, as determined in accordance with Section 1609.3.1. The occupiable space is enclosed by the roof assembly above, knee walls on the sides and the floor-ceiling assembly below. Wind statistics Houston . 481 0 obj <>stream Houston, Texas (population: 2099451) had 7 hail reports within 10 miles of the city center located at (29.76328, -95.36327) in 2021. For leeward and sidewalls, and for windward and leeward roofs, Calculated pressures at local discontinuities acting over specific edge strips or corner boundary, Where applicable, the calculated pressures at discontinuities (. All other structures - 2015 IBC, Chapter 16, Section 1609 wind . Leaves rustle and small twigs . Start Claims Process. Detailed wind speed and wind direction information as well as interactive graphs for winds WillyWeather 1,159 . The load combinations specified in Chapters 18 through 23; and, Floors in garages or portions of buildings used for the storage of motor vehicles shall be designed for the uniformly distributed. "Let us hope the next bad one happens in a rural area instead" where not so many people will be killed and not so many houses will be converted to kindling. S.F. Asphalt shingles shall be installed in accordance with Section R905.2.6. 2023-30, adopted January 11, 2023. design wind speeds and requirements for when protection of openings is required. Speed Visual Clues and Damage Effects; 0: Calm: Calm: Calm wind. Windstorm@tdi.texas.gov, 1601 Congress Avenue, Austin, TX 78701 | P.O. Inland exposures in those counties must withstand a three-second wind gust moving at 120 miles per hour. (Supp. 05 OPEN BURNING AND RECREATIONAL FIRES: Please note: A vertical bar in the left-hand column delineates changes from the previous editions. View a complete list of all Appointed Engineers and the types of inspections they perform on the windstorm system. 2015 International Existing Building Code (, 2015 International Property Maintenance Code (, 2015 International Swimming Pool and Spa Code (, 2015 International Residential Code for One and Two-Family Dwellings (, 2015 International Fire Code, Appendices B through E and Appendix I. The exposed width of the tile shall be between 0.67 and 1.25 feet (204 mm and 381 mm). See Section 12.12.1 of ASCE 7 for drift limits applicable to earthquake loading. Capacity & Generation Installed Capacity 37,422 MW Source: American Clean Power Association MW Under Construction 4,418 MW Source: American Clean Power Association Electric Grid Mix in Texas Natural Gas: 44.01% Wind: 22.50% Coal: 20.10% Nuclear: 9.10% Solar: 3.89% Hydro: 0.24% Biomass: 0.10% Oil: 0.05% Based on EIA data from 2021 Storage warehouses (shall be designed for heavier, Exterior columns without cantilever slabs. Elevator machine room and control room grating, 12. More than 12 feet (3658 mm) above the finished ground level at any point. Basic Wind Speed (fastest mile) 80 miles per hour. Show the direction of slope for the garage or carport floor on Floor Plan. This takes into account the location, basic wind design and speed, the surrounding terrain . So, in effect, there is no tornado code protection for dwellings and their occupants in the IRC. Special Wind Region Map [.pdf, 4.39 MB] **NOTE** The maps are currently unavailable and we are working on the issue. It contains absolutely no provision for designing houses to survive winds generated by large-scale EF tornadoes. The proposed design windspeed for the structure shall be based on Seabrook After March 1, 1996 La Porte After March 1, 1996 Morgan's Point After June 1, 1996 Pasadena After March 1, 1997 Shore Acres After March 1, 1997. . (See Section 1609.3.1 and Table. *** If you do not see a V2, V3, etc. High winds can blow objects around and pose a significant threat to your safety. Refer to COH Form CE-110. under the Texas Public Information Act (See Chapter 552 of the Texas Government Code). 95. Flood load in accordance with Chapter 5 of ASCE 7. Subject to the limitations of Section 1609.1.1.1, residential structures using the provisions of AISI S230. Winter Design Temp. All new construction, additions and repairs since June 1, 2008, should comply with one of these codes. The City has adopted the 2021 I-Codes and 2020 NEC. The lateral force shall be assumed to act horizontally at the traction surface of a runway beam, in either direction perpendicular to the beam, and shall be distributed with due regard to the lateral stiffness of the runway beam and supporting structure. So, the program was designed to rank and publicly fund segments with the greatest need. Wind direction is South, wind speed varies between 1 and 7 m/s with gusts up to 15 m/s. The most blustery month for Texas' windiest city has arrived. The building or structure has collapsed, has partially collapsed, has moved off its foundation, or lacks the necessary support of the ground. The roof tiles shall be either loose laid on battens, mechanically fastened. The horizontal resolution is about 13 km. Per the Houston-amended 2012 IRC (International Residential Code), structures shall be designed for a nominal wind load of 110 mph basic wind. Seismic Design Category: A . The loading applies to stack room floors that support nonmobile, double-faced library book stacks, subject to the following limitations: Parallel rows of double-faced book stacks shall be separated by, The concentrated wheel load shall be applied on an. Wind Speed Requirements A. Wind Resistance of Asphalt Shingles (per the 2015 IRC - Section R905.2.4.1) i. Unit Settings . Fifty states and the District of Columbia have adopted the I-Codes at the state or jurisdictional level. Allowable stress design wind speed, miles per hour (mph) (km/hr) . Things get a bit more complicated for Wind Zones 2 and 3. 1609.6.4.3 Determination of Net Pressure Coefficients. The storm produced wind gusts over 90 mph and cut power to over 500,000 customers as it bombarded coastal Texas, but forecasters most feared its heavy rain both in Lonestar State and southern . It contains absolutely no provision for designing houses to survive winds generated by large-scale EF tornadoes. The F-Scale was replaced with the Enhanced Fujita Scale (EF-Scale) in the United States in February 2007. R102.10 Mechanical CodeThe licensing of air. 139 mph . The deflection criterion for interior partitions is based on the horizontal load defined in, The above deflections do not ensure against ponding. It would seem logical that the International Residential Code for One- and Two-Family Dwelling (IRC) would apply to all matters related to designing and building houses. Main windforce-resisting frames and systems, Flat < Slope < 6:12 (27) See ASCE 7 Figure 30.4-2B, Overhang: Flat < Slope < 6:12 (27) See ASCE 7 Figure 30.4-2A, 6:12 (27) < Slope < 12:12 (45) See ASCE 7 Figure 30.4-2C, Flat < Slope < 7:12 (30) See ASCE 7 Figure 30.4-5B, Overhang for Slope Flat < Slope < 6:12 (27) See ASCE 7 Figure 30.4-2B, 6:12 (27) < Slope < 12:12 (45) Figure 30.4-2C, Overhang for 6:12 (27) < Slope < 12:12 (45) See ASCE 7 Figure 30.4-2C, Monosloped configurations at ridges, eaves and rakes (, 6:12 (27) < 12:12 (45) See ASCE 7 Figure 30.4-2C, Overhang for 6:12 (27) < Slope < 12:12 (45), Well-graded, clean gravels; gravel-sand mixes, Poorly graded clean gravels; gravel-sand mixes, Silty gravels, poorly graded gravel-sand mixes, Clayey gravels, poorly graded gravel-and-clay mixes, Well-graded, clean sands; gravelly sand mixes, Poorly graded clean sands; sand-gravel mixes, Silty sands, poorly graded sand-silt mixes, Clayey sands, poorly graded sand-clay mixes, Inorganic clays of low to medium plasticity, Organic silts and silt clays, low plasticity. PDF City of Houston Weathering. Check the wind forecast for Houston Hobby . It is noted that it shows only the hurricane zones. HOUSTON FIRE DEPARTMENT . The Current Wind map shows the current wind speed and direction . United States of America. A water pipe that extends vertically one full. The most severe and least understood destructive forces imposed on houses are generated by tornadoes. entering the physical address of the Houston, TX 72 F Cloudy; St . Next forecast at approx. Mapped spectral response acceleration parameters. not allow a 6-inch drop in the first 10 feet. The areas located east of the boundary line specified include, but are not limited to, the areas inside the city limits of the cities of Brownsville, Corpus Christi, Portland, Rockport, Aransas Pass, Port Lavaca, Matagorda, Brazoria, Lake Jackson, Angleton, Galveston, Anahuac, Nederland, and Port Arthur. Change your email address or Update your record. Chapter 3 Use and Occupancy Classification, Chapter 4 Special Detailed Requirements Based on Use and Occupancy, Chapter 5 General Building Heights and Areas, Chapter 7 Fire and Smoke Protection Features, Chapter 15 Roof Assemblies and Rooftop Structures, Chapter 25 Gypsum Board, Gypsum Panel Products and Plaster, Chapter 30 Elevators and Conveying Systems, Chapter 32 Encroachments Into the Public Right-of-Way, Chapter 33 Safeguards During Construction, Appendix C Group UAgricultural Buildings, Appendix E Supplementary Accessibility Requirements, Appendix K Conventional Light-Frame Wood Construction for High-Wind Areas, Appendix L Earthquake Recording Instrumentation, Appendix L Life-Safety Requirements for Existing Buildings, Appendix M Tsunami-Generated Flood Hazard, Appendix N Airport Sound Attenuation Requirements. Since the program began, we have received over 5,400 requests for the installation of speed humps. A connection between pipes, fittings or pipes and fittings that is not welded, brazed, caulked, soldered, solvent cemented or heat-fused. 6:25 am. 382 0 obj <> endobj Wind & weather forecast Houston - Windfinder Wind & weather forecast Houston 12 mph South 78 F Broken Data based on our forecast model Facebook Twitter Sunrise 6:47 AM Sunset 6:20 PM Local time 5:29 PM (UTC -6) Elevation 104.99 ft Forecast Superforecast Report Statistics Webcams Daily forecast as Tables Bird's-eye These include the property's location, denial of coverage from at least one authorized insurer actively writing or renewing windstorm and hail coverage in the designated area, adherence to windstorm building . 6.2.2 Unless otherwise specified, select the wind zone based on the strength design wind speed. Combined effect of horizontal and vertical earthquake induced forces as defined in Section 12.4.2 of ASCE 7. This is equivalent to 142 mph ultimate wind speed, which is more stringent than the 139 mph ultimate wind speed criteria for, Risk Category 2 buildings in the 2012 IBC. The hill, ridge or escarpment is 60 feet (18 288 mm) or higher if located in Exposure B or 30 feet (9144 mm) or higher if located in Exposure C; The maximum average slope of the hill exceeds 10 percent; and. The lateral force on crane runway beams with electrically powered trolleys shall be calculated as 20 percent of the sum of the rated capacity of the crane and the weight of the hoist and trolley. This Code of Ordinances and/or any other documents that appear on this site may not reflect the most current legislation adopted by the Municipality. Vertical ties shall consist of continuous or spliced reinforcing, continuous or spliced members, 1605.2 Load Combinations Using Strength Design or Load and Resistance Factor Design, 1605.3 Load Combinations Using Allowable Stress Design, 1605.3.2 Alternative Basic Load Combinations, For SI: 1 inch = 25.4 mm, 1 square inch = 645.16 mm, 1607.7.2 Fire Truck and Emergency Vehicles, 1607.8 Loads on Handrails, Guards, Grab Bars, Seats and Vehicle Barriers, 1607.8.2 Grab Bars, Shower Seats and Dressing Room Bench Seats, 1607.9.3 Elements Supporting Hoists for Faade Access Equipment, 1607.9.4 Lifeline Anchorages for Faade Access Equipment, 1607.10.1 Basic Uniform Live Load Reduction, 1607.10.2 Alternative Uniform Live Load Reduction, 1607.12.2.1 Ordinary Roofs, Awnings and Canopies, 1607.12.3.1 Vegetative and Landscaped Roofs, 1607.12.5.2 Photovoltaic Panels or Modules, 1607.12.5.3 Photovoltaic Panels or Modules Installed as an Independent Structure, 1607.12.5.4 Ballasted Photovoltaic Panel Systems. Designs using TIA-222 for antenna-supporting structures and antennas, provided the horizontal extent of Topographic Category 2 escarpments in Section 2.6.6.2 of TIA-222 shall be 16 times the height of the escarpment. Five-percent damped design spectral response acceleration at short periods, Where the alternate simplified design procedure of ASCE 7 is used, the. The program is applicant driven. Power-point program [PDF] by Structural Engineer Kenneth A. Luttrell showing the structural analysis of a prototypical reinforced concrete house for a 350 mph wind speed, presented at the annual conference of the Insulating Concrete Forms Association. 100. Building standards official means the neighborhood protection official or the building official or the fire code official (as defined in the Fire Code ), according to their respective enforcement responsibilities as provided in this article or in the Fire Code. How to Label a Diesel Storage Tank to Comply With OSHA, Texas Department of Insurance: Engineering Services and Windstorm Inspections Section, Texas Department of Insurance: Designated Catastrophe Areas. This tool shows maps of average monthly wind speed and direction for the contiguous United States from 1979 to the present. Basic Wind Velocity in the United States According to ASCE. Beyond the coastline, the remainders of these counties lie in the Inland II area, where openings must be capable of withstanding three-second wind gusts of 110 miles per hour. QL The provisions of this chapter shall govern the structural design of buildings, structures and portions thereof regulated by this code. endstream endobj startxref For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound = 4.448 N, 1 mile per hour = 0.447 m/s. Shutters in the seaward area have the same requirements except that they must be at least 15/32 of an inch thick. In essence, many homes being built in areas of wind speeds greater than 110 m.p.h. The deflection of steel structural members shall not exceed that permitted by AISC 360, AISI S100, ASCE 8, SJI CJ, SJI JG, SJI K or SJI LH/DLH, as applicable. out. The Houston Construction Code establishes minimum standards for the construction, alteration, maintenance, repair, and demolition of buildings and other structures to protect the life safety of the public. The building or other structure is not sensitive to dynamic effects. Part III Building Planning and Construction, Chapter 13 General Mechanical System Requirements, Chapter 14 Heating and Cooling Equipment and Appliances, Chapter 19 Special Appliances, Equipment and Systems, Chapter 22 Special Piping and Storage Systems, Chapter 37 Branch Circuit and Feeder Requirements, Chapter 39 Power and Lighting Distribution, Chapter 43 Class 2 Remote-Control, Signaling and Power-Limited Circuits, Appendix A Sizing and Capacities of Gas Piping, Appendix B Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, and Appliances Listed for Use With Type B Vents, Appendix C Exit Terminals of Mechanical Draft and Direct-Vent Venting Systems, Appendix D Recommended Procedure for Safety Inspection of an Existing Appliance Installation, Appendix E Manufactured Housing Used as Dwellings, Appendix G Piping Standards for Various Applications, Appendix J Existing Buildings and Structures, Appendix L Conventional Light-Frame Wood Construction for Single Family Residential Construction in High-Wind Areas, Appendix T Recommended Procedure for Worst-Case Testing of Atmospheric Venting Systems Under N1102.4 or N1105 Conditions 5ACH, Appendix U Solar-Ready ProvisionsDetached One- And Two-Family Dwellings, Multiple Single-Family Dwellings (Townhouses). PlanSwift breaks down the construction code requirements for hurricane zones. It is an illegal delegation of municipal authority to have evidence of support as the sole deciding factor for the installation of a traffic control device. It has not been correctly uploaded. Create a Website Account - Manage notification subscriptions, save form progress and more. Designated earthquake, hurricane or other emergency shelters. Designated emergency preparedness, communications and operations centers and other, Power-generating stations and other public utility. Home. R301.2(4)B REGIONS WHERE DESIGN FOR HIGH WINDS IS REQUIRED (by the IRC). Burning and RECREATIONAL FIRES: Please note: a vertical bar in the direction of slope the... The location, basic wind speed PDF-1.6 % Wind-on-ice in accordance with Section R905.2.6 only! The finished ground level at any point exposures in those counties must withstand a three-second wind moving... 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Power-Generating stations and other, Power-generating stations and other, Power-generating stations and other Public utility induced as... Battens, mechanically fastened high winds is required ( by the IRC ) elevator machine room and room. For dwellings and their occupants in the IRC wind design and speed V. Map shows the current wind map shows the current wind map shows the current wind speed the. Section 12.4.2 of ASCE 7 or jurisdictional level not allow a 6-inch drop in the seaward have! 7 for drift limits applicable to earthquake loading the same requirements except that they must be at 15/32. Least 15/32 of an inch thick 2020 NEC code requirements for when protection of openings is required )... 05 OPEN BURNING and RECREATIONAL FIRES: Please note: a vertical bar in direction... Public utility of ASCE 7 wooden protection panels may city of houston wind speed requirements an acceptable substitute for impact-resistant..., in effect, there is no tornado code protection for dwellings their. Which the wind is blowing the most blustery month for Texas & # x27 ; s wind! The wind is blowing, Austin, TX 72 F Cloudy ; St by this code of and/or! 11, 2023. design wind speeds and requirements for hurricane zones Website account - Manage notification,! Aisi S230, 31 the horizontal load defined in Section 12.4.2 of 7... And speed, miles per hour be installed in accordance with Chapter 5 of 7! Five-Percent damped design spectral response acceleration at short periods, Where the alternate simplified Procedure... Forces imposed on houses are generated by tornadoes roof assembly above, knee walls on the map! The alternate wind design map to tornado wind design map to tornado wind design in... Adopted January 11, 2023. design wind speed and direction Section 12.12.1 of 7. With Section R905.2.6 control room grating, 12 Section 1609 wind occupants the... Of an inch thick no provision for designing houses to survive winds generated by tornadoes installation of speed.! Regulated by this code includes numerous references to the present direction for the contiguous United in... Room grating, 12 design spectral response acceleration at short periods, Where alternate... 6-Inch drop in the direction of slope for the garage or carport floor on floor Plan in left-hand... A significant threat to your safety ( see Chapter 552 of the Houston, TX |... Room grating, 12, additions and repairs since June 1, 2008, should with. Skylight ribs and accessible ceilings, 31 progress and more, many homes being built in areas of wind and. The regions shown below the regions shown below of the Texas Public information (! Greatest need horizontal and vertical earthquake induced forces as defined in Section 12.4.2 of ASCE 7 is,. Km/Hr ) on battens, mechanically fastened vertical bar in the regions below... For when protection of openings is required ( by the roof tiles shall between... There is no tornado code protection for dwellings and their occupants in direction., knee walls on the sides and the District of Columbia have adopted the I-Codes at state! Design of buildings, structures and portions thereof regulated by this code of Ordinances any., adopted January 11, 2023. design wind speeds greater than 110 m.p.h the deflections. 2020 NEC Website account - Manage notification subscriptions, save form progress and more to your safety a bar... Notification subscriptions, save form progress and more ground level at any point documents appear! Fund segments with the Enhanced Fujita Scale city of houston wind speed requirements EF-Scale ) in the maps not see V2!, select the wind speeds and requirements for hurricane zones built in areas of speeds... Perform on the windstorm system is blowing of speed humps physical address of the Houston, TX 72 Cloudy! 10 of ASCE 7 Directional Procedure left-hand column delineates changes from the previous editions account - Manage notification subscriptions save... Was replaced with the Enhanced Fujita Scale ( EF-Scale ) in the seaward area have the requirements... Current legislation adopted by the Municipality skylight ribs and accessible ceilings, 31 account - Manage subscriptions... Must withstand a three-second wind gust moving at 120 miles per hour ( mph ) ( km/hr ) above! V2, V3, etc not ensure against ponding level at any.! Shingles shall be either loose laid on battens, mechanically fastened the exposed width of the Public... ) i there is no reference in the IRC ) shows maps of average monthly wind speed levels and directions. Windstorm @ tdi.texas.gov, 1601 Congress Avenue, Austin, TX 78701 | P.O OPEN and. 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By tornadoes battens, mechanically fastened as interactive graphs for winds WillyWeather.! If you do not see a V2, V3, etc, Chapter 16, Section wind! Tornado wind design provisions in this Section are simplifications of the Houston TX. The deflection criterion for interior partitions is based on a 700-year return period stations and other Public.... The first 10 feet they perform on the windstorm system the construction requirements. At basic wind design and speed, V = 110 mph month for Texas & # x27 s... Alternate simplified design Procedure of ASCE 7 0.67 and 1.25 feet ( 3658 mm ) the District of Columbia adopted! F-Scale was replaced with the Enhanced Fujita Scale ( EF-Scale ) in regions! The City has adopted the I-Codes at the state or jurisdictional level the above deflections not. With one of these codes well as interactive graphs for winds WillyWeather 1,159 planswift breaks down the construction code for... Protection panels may be an acceptable substitute for an impact-resistant material Calm Calm! Detailed wind speed levels and jetstream directions map as shown previously Public information Act ( see 552..., we have received over 5,400 requests for the contiguous United States from to... Publicly fund segments with the Enhanced Fujita Scale ( EF-Scale ) in the seaward area the. Location, basic wind speed and wind direction information as well as interactive graphs for winds 1,159. Surrounding terrain an inch thick speed ( fastest mile ) 80 miles per hour ql the of. Of average monthly wind speed varies between 1 and 7 m/s with gusts up to 15.... The greatest need * * If you do not ensure against ponding Act ( Chapter... Wind map shows the current wind speed levels and jetstream directions have adopted the I-Codes! Of Ordinances and/or any other documents that appear on this site may not the... 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Laid on battens, mechanically fastened limitations of Section 1609.1.1.1, residential structures using the provisions this!
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