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). 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. The lift coefficient for, Roof pressure coefficient for each applicable roof, Moment arm, feet (mm) from the axis of rotation to the point of uplift on the roof tile. The Disclosure is the last page of the energy report. The Houston Construction Code is adopted and amended by City Council. Within 1 mile (1.61 km) of the coastal mean high water line where the ultimate design wind speed, V, In areas where the ultimate design wind speed, V. See ASCE 7-05, Chapter 6. This translates to about 70mph in basic wind speeds. Shown below is a wind design map from the IRC [2012]. Structural systems and members thereof shall be designed to have adequate stiffness to limit deflections and lateral drift. 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. The capacity of any vertical gravity load-carrying component, or any group of such components, that, BACKFLOW PREVENTER, REDUCED-PRESSURE-ZONE TYPE, EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS), EXTERIOR INSULATION AND FINISH SYSTEMS (EIFS) WITH DRAINAGE, FIBER-CEMENT (BACKERBOARD, SIDING, SOFFIT, TRIM AND UNDERLAYMENT) PRODUCTS, TEMPERATURE- AND PRESSURE-RELIEF (T AND P) VALVE, WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM, The occupiable floor area is not less than 70 square feet (. The building or other structure is less than or equal to 75 feet (22 860 mm) in height with a height-to-least-width ratio of 4 or less, or the building or other structure has a fundamental frequency greater than or equal to 1 hertz. QL 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 . Little if any movement with flags. 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. and . See Sections 1609A for wind design requirements and 1613A for earthquake design requirements. 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. 6:25 am. Current WInds. City of Houston Mechanical Code CHAPTER 3: GENERAL REQUIREMENTS . The MWFRS shall be investigated for the torsional effects identified in ASCE 7 Figure 27.4-8. Glazed openings located within 30 feet (9144 mm) of, Glazed openings located more than 30 feet (9144 mm) above. 0 The codes developed by the Building Officials Code Administrators International (BOCA) were used on the East Coast and throughout the Midwest of the United States, while the codes from the Southern Building Code Congress International (SBCCI) were used in the Southeast, and the codes published by the International Conference of Building Officials (ICBO) covered the West Coast and across to most of the Midwest. 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. [Storm Prediction Center Statistics from NOAA (National Oceanic and Atmospheric Administration).] Help If you need more information about our wind statistics for Houston, have a look at our help section. How to Pass an Energy Conservation Inspection (PDF). However, while it covers most issues regarding home building, it is completely silent about provisions for tornado-resistant houses. -conditioning contractors shall be as required by the Mechanical Code and applicable State laws. Risk Category I. VI in mph. A request must come from a resident who lives on the roadway segment they wish to have studied. The point of uplift shall be taken at 0.76. The calmer time of year lasts for 4.4 months, from June 7 to October 19. per square foot. 382 0 obj <> endobj To prevent your email service provider from marking a CitizensNet message as spam, The program also includes the ability for residents to privately fund the construction, but the project must meet the specified eligibility requirements. The Department of Defense references the International Building Code for constructing military facilities, including those that house U.S. troops around the world and at home. Please follow Project Dox procedures when uploading files. 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: Puerto Rico and the U.S. Virgin Islands enforce one or more of the I-Codes. Continuous load paths shall be provided for transmitting these forces to the foundation. The following modifications shall be made to certain subsections in ASCE 7: in Section 1609.6.2, symbols and notations that are specific to this section are used in conjunction with the symbols and notations in ASCE 7 Section 26.3. An exposure category shall be determined in accordance with the following: Roof systems shall be designed and constructed in accordance with Sections. They are completely different, with maximum tornadoes being four times as destructive as a maximum hurricane. 407 0 obj <>/Filter/FlateDecode/ID[<432A86F9335AF646AD7F913D5E993FBE><078DF72700255E49B374A8A7C489313A>]/Index[382 45]/Info 381 0 R/Length 121/Prev 238500/Root 383 0 R/Size 427/Type/XRef/W[1 3 1]>>stream Wind Design. Subject to the limitations of Section 1609.1.1.1, residential structures using the provisions of AWC WFCM. 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. . Although individual cities may establish different building codes, the basic standard drops to 100 miles per hour on the next tier, and most counties in Texas have a standard of 90 miles per hour. Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings indicated in this chapter. 150 mph . In the second coastal tier, consisting of the balance of Harris County and Wharton, Bee, Goliad, Brooks, Live Oak, Fort Bend, Victoria, Jackson, Orange, Hidalgo, Wharton, Liberty, Hardin and Jim Wells counties, the standard remains the same as that for Inland II areas, or a three-second gust traveling at 110 miles per hour. Shutters in the seaward area have the same requirements except that they must be at least 15/32 of an inch thick. Jeffrey Joyner has had numerous articles published on the Internet covering a wide range of topics. and outside of coastal counties do not comply with the building code as they were not designed by a professional . 1 municipal purchaser of renewable energy as of January 22, '18, according to the U.S. Environmental Protection Agency (EPA The wind load requirements in Section 1609 of the IBC are based on ASCE 7 and refer to this document for most design information. A water pipe that extends vertically one full. S.F. 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. 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. Unit Settings . The wind speeds identified on the Oregon map are based on geographical location and applicable Risk Category. Wind Speed 130-139mph (IBC 2009 = 110-119mph) = Wind-borne debris region if within 1 mile of coastal mean high tide. Refer to COH Form CE-110. 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. However, you, MUST use the SAME exact FILE NAME & FOLDER location -- in order for this to, *** Project Dox is (case, character count, special characters, spacing). Wood shutters or other wooden protection panels may be an acceptable substitute for an impact-resistant material. A psychological attitude seems to have developed that we should work to improve the design and construction of houses for small and intermediate wind forces and assume that little can be done about saving houses that will be ravaged by the more severe tornadoes and hurricanes. INLAND I- 2006 IBC/IRC with the Texas Revisions, 120 mph 3-second gust design wind speed La Porte Morgan's Point Pasadena Seabrook Shoreacres. to be considered as made to the City of Houston Electrical Code. Designated earthquake, hurricane or other emergency shelters. Create a Website Account - Manage notification subscriptions, save form progress and more. The most severe and least understood destructive forces imposed on houses are generated by tornadoes. please add Mayor.Bill.White@cityofhouston.net to your address book. New Regulations for the City of Houston Effective September 1. Houston District Skip to main content Careers Contact us Discover Texas Data and maps Do business (See Section 1609.3.1 and Table. Applicable internal pressure coefficient. But not one word about tornado protection. Risk Category III & IV: V. ult. In all new buildings, existing building remodel and buildout plans, the code analysis sheet is now required to include information from the designer acknowledging that the facility will comply with all applicable code provisions for . The zipcode with the highest number of damaging hail reports near Houston in 2021 is 77018, with 3 reports. Risk Category II buildings use a basic wind speed map based on a 700-year return period. The City of Houston's Department of Public Works and Engineering is providing you with information about the City of Houston's Speed Hump program and the recent installation of speed humps on Garden Point. In the seaward areas of Aransas and Galveston counties, all exterior openings on the structures lowest 60 feet must be made from or covered with an impact-resistant material. 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. 2.2 Areas located east of State Highway 146 and inside the city limits of the cities of Seabrook, La Porte, Shoreacres, Pasadena, and Morgan's Point (all in Harris County). Inland exposures in those counties must withstand a three-second wind gust moving at 120 miles per hour. Design spectral response acceleration parameters, For structural roofing and siding made of formed metal sheets, the total load deflection shall not exceed, Flexible, folding and portable partitions are not governed by the provisions of this section. www.publicworks.houstontx.gov/traffic/programs.html. Box 12030, Austin, TX 78711 | 512-676-6000 | 800-578-4677, Section 100 General Requirements thru Section 200 Basic Definitions, Assumptions, and Limitations of the Prescriptive Code, Section 300 Prescriptive Requirements Area Inland of Established Dividing Line, Section 400 Prescriptive Requirements Area Seward of Established Dividing Line, State Auditor's Office Hotline: 800-TX-AUDIT. Risk Category II: V. ult. The city of Houston is the no. No warranty is made by TDI regarding specific accuracy or completeness. %%EOF speed at 3 second gusts. For SI: 1 pound per square foot per foot of depth = 0.157 kPa/m, 1 foot = 304.8 mm. So, in effect, there is no tornado code protection for dwellings and their occupants in the IRC. The deflections of structural members shall not exceed the more restrictive of the limitations of Sections. Where terms are not defined through the methods authorized by this section, such terms shall have ordinarily accepted meanings such as the context implies. The foundation's, structural engineer shall reference the report by number and date as part, The RESNET Home Energy Rating Standard Disclosure is not completely filled. 40 percent for members supporting one floor. The provisions of Section 1613.4 shall be permitted as alternatives to the relevant provisions of ASCE 7. LIFE SAFETY BUREAU (LSB) LSB STANDARD 16, REV. Box 12030, Austin, TX 78711 | 512-676-6000 | 800-578-4677, State Auditor's Office Hotline: 800-TX-AUDIT. Forecasts are computed 4 times a day, at about 11:00 PM, 5:00 AM, 11:00 AM and 5:00 PM Central Standard Time. chW iS4 'Dc6@ For more information, contact: Please note that evidence of support is only one of many rating factors used to evaluate and determine which segments will be funded by the City. B. Cantilever Overhangs: Cantilever overhangs exceeding six feet shall be designed for a wind pressure of 54 pounds per square foot acting in an upward direction. Request must come from a resident who lives on the roadway segment they wish to adequate., with maximum tornadoes being four times as destructive as a maximum hurricane protection for dwellings and their in. 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