Asce risk category map

2 Using the ASCE 7 Hazard Tool 23 Basic form of Equation 29. Owners or agents for owners of an existing lower roof shall be advised of the potential for increased snow loads where a higher roof is constructed within 20 feet. 6 for service level loads (ASD), while ASCE 7-05 uses a single map with an importance factor and wind-load factor of The ASCE 7-16 maps are more refined which allows for more exact wind speed values. , P. 2). Welcome to the ASCE 7 Hazard Tool, the quick, reliable, and free way to look up key design parameters specified in Standard ASCE 7. RISK CATEGORY NATURE OF OCCUPANCY I Jun 8, 2023 · the ASCE 7-22 GIS contours for Risk Categories I-IV. Exposure Category measures the “openness” of the surroundings of a structure, and its effect on wind pressures. 7 of ASCE 7-16) describes the process to which wind speed is converted into wind pressure to design such structures. ASCE Hazard Tool is a web-based application that allows you to quickly retrieve site structural design parameters specified by various ASCE standards, such as wind, seismic, snow, ice, rain, flood, tsunami, and tornado. The ASCE 7 Hazard Tool provides digital data required by ASCE 7-22: • • Ch. Wind Loads provides users with tools and insight to apply ASCE 7-16 in everyday practice. Using the GIS data obtained above, UF GeoPlan created updated statewide maps for use in the 8th Edition (2023) update to the Florida Building Code for the following Figures: The U. (Due to scale, Find out the natural hazards by location for your building design and assessment with ATC's online tool and API. Where a referenced standard specifies an occupancy category, the risk category shall not be taken as lower than the occupancy category specified therein. ≤ 130. The Basic Wind Speed, V, is an ultimate factored-level speed that varies by Risk Category. : This item acknowledges the effect of building height in the development of wind loads in ASCE 7-10. ≤ 120. Site-specific structural wind, snow, frost penetration, and earthquake loading data for DoD locations within or outside the United States, its territories and possessions is provided in this online tool. ASCE/SEI 7 Standard: 2010 and 2005. ASCE-7 is the governing referenced standard for design loads on buildings & other structures for building codes throughout the US. g. 5-1A in ASCE 7-16 Exposure B as defined in the WFCM and ASCE7-10 is as follows: “Urban and suburban areas, wooded areas, or other terrain with numerous closely spaced obstructions having the size of singe family dwellings or larger. • Buildings with roof slopes less than 7 degrees (approximately 1½:12 roof slope). 5 Exception: The assignment of buildings and structures to Tsunami Risk Categories III ASCE 7, §7. 75 \) and Risk Category I, II, or III, the Seismic Design Category shall be assigned to Seismic Design Category E Where approved by the building official, the classification of buildings and other structures as Risk Category III or IV based on their quantities of toxic, highly toxic or explosive materials is permitted to be reduced to Risk Category II, provided it can be demonstrated by a hazard assessment in accordance with Section 1. Now updated with data from ASCE/SEI 41-23 and 41-17! Quickly retrieve site structural design parameters specified by ASCE 7-10, ASCE 7-16, and ASCE 7-20, including wind, seismic, snow, ice, rain, flood, tsunami, and So for proper design, it is critical to identify the risk category of the building or structure when choosing the wind speed map. The Chapter 24 requirements in this report have been updated for consistency with ASCE/SEI 7-16, and are judged to have a similar degree of equivalence (see Section 1. 5-1 are so broad, the table is insufficient for classifying risk in most cases. For the same level of ground motion and type of detailing, a stronger building will have lower Oct 14, 2016 · Additionally, with ASCE/SEI 7-10 each Building Risk Category has its own ultimate wind speed map, based on wind events of different recurrence intervals. Special care should be exercised to utilize clear and correct terminology in describing wind speed criteria for design. Seismic Design Maps tool provides seismic design parameter values for the U. The user is advised that the determination of patent rights or risk of infringement is entirely his or her own responsibility. 3 of ASCE 7 that a release of the toxic, highly toxic or explosive materials is not sufficient to pose a threat to the public. In Chapter 6 of ASCE 7-16, some modifications are made to these standard RC resulting in Tsunami RC I through IV. 4, and Section 1605. 4-7 is very familiar. • Mechanically attached and Drill-TecTM RhinoBond® roofing systems. VI in mph. Nominal design wind speed Design (ASCE 7 - 2005) - old"Vasd"- using Allowable Stress maps. Jun 21, 2021 · The guidance, which now appears in the draft version of ASCE 7, is only required for buildings located in the tornado-prone region of the country, east of the Rocky Mountains, and only for buildings defined as risk categories III or IV. 5-1 of ASCE 7 • Wind exposure: Where more than one wind exposure is utilized, the wind exposure and applicable wind direction shall be indicated • The applicable enclosure classifications and the internal pressure coefficient (if designing with ASCE 7) Risk category of buildings and other structures for flood, wind, snow, earthquake, and ice loads. p. The tool is developed by the American Society of Civil Engineers, the leading professional organization for civil The ASCE Hazard Tool provides site-specific data in both customary and SI units for environmental hazards as specified in ASCE/SEI 7-10, ASCE/SEI 7-16, ASCE/SEI 7-22, ASCE/SEI 41-17, and ASCE/SEI 41-23: Three-second gust wind speeds at 33 feet (10 meters) above ground for Exposure Category C, including identification of hurricane-prone and wind ASCE 7 Hazard Tool. 5-1. 1 Examples 21 3. You can also compare the results from different editions of the standards and access detailed information about the data sources and methods. When viewing the wind maps, take the highest category number of the defined Risk or Occupancy category. and 13 of ASCE/SEI 7-10, Minimum Design Loads for Buildings and Other Structures (ASCE, 2010) for SDC B buildings by the 2010-2015 Provisions Update Committee (PUC). 3 of ASCE 7 that a Jun 19, 2019 · Risk Category II structures in the 2013 Gust Map and the 110 mph contour in ASCE 7-16. 0 in this version. AND WILLIAM L. 2. Figure 1 presents an example comparison of a basic wind speed map versus Welcome to the ASCE Hazard Tool, the quick, reliable, and free way to look up key design parameters specified in ASCE standards. • Building heights less than 60 ft. This chapter examines Risk Categories (RC) I through IV, specified in ASCE 7-16 for all buildings and other structures. 5 of the building subcode contains that information. 5. Wind Loads on Rooftop Solar Panels Mar 26, 2020 · Abstract. The Occupancy Category is defined and classified in the International Building Code. Using the ASCE/SEI 7-22 GIS data, created 268 Countywide Risk Category I-IV Wind Speed line maps. ASCE 7 – 05 VS. Where a referenced standard specifies that the assignment of a risk category be in accordance with ASCE 7, Table 1. Structural Load Data Tool for UFC 3-301-01. Risk Category assigned to a structure can-not be less than the Occupancy Category prescribed by the building code. . In the 6th Edition (2017) FBCB (and ASCE 7-10), wind speeds for Risk Category III and IV buildings were the same and provided on a single map. a are solar-specific for “flush mounts” installed parallel to roof. 6 Tsunami: Whether the site is in a mapped tsunami design zone per the ASCE Tsunami Design Geodatabase, and link to ASCE Tsunami Design Geodatabase if required for design • Ch. Dec 1, 2021 · Today marks the release of the newly updated ASCE/SEI 7-22 Minimum Design Loads and Associated Criteria for Buildings and Other Structures. 5-1A to D and Figure 26. COULBOURNE, P. 6. If the location is outside USA, and the load calculation/reference code is similar to the ASCE 7-22, you can define the Risk Category, put the location, and just manually put the Basic Wind Speed value. Welcome to the ASCE Hazard Tool, the quick, reliable, and free way to look up key design parameters specified in ASCE standards. 0, while ASCE 7-05 uses a single map with an importance factor and wind-load factor of 1. Figure 5: ASCE 7-10 Map, Risk Category II, showing a limited number of wind-speed isobars; ASCE 7-16 Map, Risk Category II, showing many additional wind-speed isobars. Bottom: ASCE 7-22, Figure 30. Commentary Item 1. MEHTA, Ph. However, the true purpose of the importance factor is to provide an additional strength for risk-critical facilities. 5-2A to D (see Figure 1), or local meteorological . e. Apr 22, 2024 · Seismic Design Category. 10 Design Wind Loads. Buildings and structures designed according to ASCE 24 are better able to resist flood loads and flood damage. Because ASD results sometimes are used to determine wind-uplift resistance values, a ASCE/SEI 7-16. Step 2: Determine the Basic Wind Speed. 0 s) s1 MCE R ground motion (1. Easy-to-use mapping features allow you to quickly look up hazard data for a specific location, including wind, tornado, seismic, ice, rain, flood, snow, and tsunami all in one tool. Detailed descriptions of buildings and structures associated with Risk Category I, II, III and IV are described in IBC Table 1604. Exposure C as defined in the WFCM and ASCE7-10 is as follows: “Open terrain with scattered obstructions including surface cation of this standard by ASCE is not intended to warrant that the information contained therein is suitable for any general or specific use, and ASCE takes no position respecting the validity of patent rights. 5-1A to 1C. E. The vast majority of engineering projects in the U. Section 1604. New coefficients g. BY KISHOR C. The formula is based on many variables. Wind speeds for Risk Category I, II, and III buildings are unchanged from the 6th Edition (2017) FBCB. Where a referenced standard that the assignment of a risk category be in accordance with ASCE 7, Table 1. ≤ 100. The Importance Factor for wind loads has been deleted from ASCE 7-10. 0 s) s1uh Factored uniform-hazard (2% probability of exceedance in 50 years) spectral acceleration (1. View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcMap ArcGIS Pro View Footprint In: ArcGIS Online Map Viewer Service Description: Map Name: Layers Legend All Layers and Tables Dynamic Legend Dynamic All Layers Layers: Wind Gust Contours (0) Concurrent Temperature Contours (1) i2022_ConcurrentTemp (2) Special Elevation Zone (3) Task 2, Part 1: Complete. A copy of the GSL map for Risk Category II for the conterminous United States is reproduced in Figure 1. 1. Gather accurate hazard data instantly. Now updated with data from ASCE/SEI 7-22! Quickly retrieve site structural design parameters specified by ASCE 7-10, ASCE 7-16, and ASCE 7-20, including wind, seismic, snow, ice, rain, flood, tsunami, and tornado. Maps are currently referred to as “preliminary” and can be found at: Alachua County Examples of the Risk Category I-IV Preliminary Countywide PDF Maps are displayed at the end of this presentation. In ASCE 7-05, Importance Factor is a stand-alone factor in the velocity pressure calculations, and why there is one map in ASCE 7-05. For \({S}_{1} ≥ 0. ASCE 7 (26. In order to convert the load "dp/design pressure" from ultimate to nominal you multiply by a factor of . Shaded (Special Wind Region) areas, mountainous terrain, gorges, and ocean promontories should be Where a referenced standard specifies an occupancy category, the risk category shall not be taken as lower than the occupancy category specified therein. For a Risk Category II Structure, the IBC 0. Types of buildings and structures are described in ASCE 24-14, Table 1-1 (see page 5 of these Highlights), and include commercial, residential, industrial, educational, healthcare, critical facilities, and other occupancy types. asce 7–10 wind zone map risk category ii 6 th edition • 2017 wind-borne debris region florida building code residential section replacement or new construction designated areas where the basic wind speed is 140 mph or greater 130 mph and within 1 mile of coast note: this map is accurate to the county, it is not to be used for precise placement of cities near zone borders. wind maps for risk category III and IV buildings use, respec-tively. ≤ 110. Find my institution. Zone 1: ASCE 7-16 GCp Pressure Coefficients. May 8, 2023 · From Table 1. 12 Part 1: Risk Categories and Structural Design Criteria 28 Existing roofs shall be evaluated for increased snow loads caused by additions or alterations. S Nov 14, 2019 · This has been modified on November 14, 2019 to address the changes in the wind speed maps indicated in ASCE 7-16. For Wind Speed Contour Maps ASCE 7-16 developed new basic wind speed maps for each risk category building or other structure. It is pos-sible that in the next edition of ASCE 7 the Feb 19, 2024 · Wind Exposure Category Overview. , importance factor) into the wind speed maps, and that is why there are 3 maps in ASCE 7-10, and 4 maps in ASCE 7-16. Now updated with data from ASCE/SEI 41-23 and 41-17! Quickly retrieve site structural design parameters specified by ASCE 7-10, ASCE 7-16, and ASCE 7-20, including wind, seismic, snow, ice, rain, flood, tsunami, and Wind speed is typically sourced from related code-based maps, such as that provided by ASCE 7-16 Figure 26. 5-2A to D (see Figure 1), or local meteorological records. Section 11. Table 1. S. ASCE describes structures in category III as being those that could represent a substantial hazard to human Risk-Targeted Ground Motion Calculator. The risk targets for Risk Categories III and IV buildings and other structures (designated as essential facilities) are different in PBE. Sets forth a detailed and authoritative interpretation of the wind load provisions of Minimum Design Loads for Buildings and Other Structures, Standard ASCE/SEI 7-10. 5 provides the criteria for the classification of structures based on the nature of occupancy and consequences of failure on the general public. 2009 AASHTO Guide Specifications for LRFD Seismic Bridge Design. An example of a basic wind speed map as per Figure 26. (ASCE Press 2018) (ISBN 978-0-7844-1457-6) Wind Loads: Guide to the Wind Load Provisions of ASCE 7-10. 3, ASCE 7 Section 2. ASCE 7-22 reference : Section 1. While the old map had fewer ranges of wind speed across the United States, the new map divides it into May 1, 2018 · This paper shows that the new wind maps in ASCE 7-16, which are based on return periods of 300, 700, 1,700, and 3,000 years for Risk Categories I, II, III, and IV, respectively), achieve the Florida Building Seismic design category from S DS s1rt Probabilistic risk-targeted ground motion (1. Use of the term “risk category” and descriptions of varying risk categories in ASCE 7-10 is new. Quickly retrieve site structural design parameters specified by ASCE 7-10, ASCE 7-16, and ASCE 7-20, including wind, seismic, snow, ice, rain, flood, tsunami, and tornado. For speed map for Risk Category IV buildings and structures. in ASCE 7-10 maps incorporated in the IBC. The committee will accept public proposals until December 1, 2024. highly toxic or explosive materials is permitted to be reduced to Risk Category II, provided it can be demonstrated by a hazard assessment in accordance with Section 1. 5 shall be used in lieu of ASCE 7, Table 1. Log in / Register. Figure 1 compares the two wind speed maps from ASCE 7-10 (Figure 1-a) and ASCE 7-16 (Figure 1-b). Nov 24, 2021 · How to find Importance Factors, structure risk categories, and seismic design category SDC all while going step by step through the ASCE 7-16 and IBC interna Where a referenced standard specifies an occupancy category, the risk category shall not be taken as lower than the occupancy category specified therein. Size: 2 MB Kzt-molokai-lanai Size: 7 MB Kzt-maui-county Size: 86 MB Kzt-kauai-county Size: 36 MB Kzt-honolulu-county Size: 8 MB Kzt-hawaii-county Size: 14 MB Hawaii County Ultimate Wind Speed IRC 2018 Size: 84 MB Hawaii Basic Wind Speeds for Risk Category IV Buildings and Other Structures_IBC 2018 Size: 68 MB Hawaii Basic Wind Speeds Feb 27, 2024 · Risk Category : Exposure Category : Simplified definition : Risk Category measures the risk to human life, health and wellbeing associated with a structure and hence dictates the standard of design. You can click on the map below to determine the basic wind speed for that location. This web tool calculates risk-targeted ground motion values from probabilistic seismic hazard curves in accordance with the site-specific ground motion procedures defined in “Method 2” (Section 21. 3-3. 0 s) s1d Factored deterministic acceleration value (1. 1. This guide includes 14 chapters with 10 worked examples of real-life design problems Where a referenced standard specifies an occupancy category, the risk category shall not be taken as lower than the occupancy category specified therein. Zone 1: Wind Pressure Equalization Factor. Apr 8, 2024 · Using ASCE 7-22, you just need to define the Risk Category of the structure and put the Project Address located in the USA. This is the same as the Ultimate Design Wind Nov 4, 2014 · ASCE 7-10 Section 1. The structure classification is used to determine importance factors when computing the magnitude of loads to be considered. 0 for strength design (LRFD) and 0. and. 5-1, Table 1604. TRC III buildings are generally high-occupancy facilities such as auditoriums, schools, and other • 2016 edition of ASCE 7, “Minimum Design Loads and Associated Criteria for Buildings and Other Structures” (ASCE 7-16). Now updated with data from ASCE/SEI 41-23 and 41-17! Quickly retrieve site structural design parameters specified by ASCE 7-10, ASCE 7-16, and ASCE 7-20, including wind, seismic, snow, ice, rain, flood, tsunami, and Apr 4, 2024 · The ASCE 7-10 provides a wind map where the corresponding basic wind speed of a location can be obtained from Figures 26. Feb 16, 2018 · ASCE 7 is moving toward adopting load requirements that are consistent with risk-informed design goals characteristic of performance-based engineering (PBE). The mapped wind speeds for Risk Category II buildings are illustrated on page 4. ASCE 7-10 and 7-16 incorporates Risk Category (i. ASCE 7-10 provided wind maps that correspond to return periods of 300, 700, and 1,700 years for Risk Categories I, II, and combined III/IV, respectively. You should still be 1) The modifications to Load Combinations of ASCE 7 Section 2. Risk category is used in several places in ASCE 7, including determination of importance factor, requirements for protected access for Risk Category IV structures, determination of seismic design category, drift limits, and importance Mar 2, 2021 · Some specific changes covered in ASCE 7-16 include modified wind speed maps, including new separate maps for Risk Category III and IV structures; a revised methodology to determine exposure category; new provisions for roof top solar arrays, canopies, and bins, tanks, and silos; and more. Ultimate design wind speed "Vult" - using Strength Design (ASCE - 2010) - new maps. Sep 18, 2020 · Abstract. Several AHJ’s require building heights of greater than 45 feet to 100 feet to be designed by an SE. The design tornado speed for a given geographic location will range from Enhanced Fujita Scale EF-0 to EF-2 intensity, depending on the risk category and effective plan Top: ASCE 7-16, Figure 30. Basic Wind Speed, \(V\) The ASCE 7-16 provides a wind map where the corresponding basic wind speed of a location can be obtained from Figures 26. 2) of the ASCE/SEI 7-10 and 7-16 standards. In the Location area, enter a specific base/city name OR select a state to browse registered Simply put, ASCE 7-10, ASCE 7-16, and ASCE 7-22 use different maps for different risk categories based on strength design in conjunction with a wind-load factor of 1. For purposes of comparison in this paper, risk categories in ASCE 7-10 are analogous to the familiar occupancy categories in ASCE 7-05. Public proposals are available from SEI Staff via email . 5 Apr 27, 2012 · Consequently, the strength design wind-load factor was changed to 1. Updated and released every six years, ASCE 7 is the Society’s most widely used professional standard and a critical tool in a civil engineer’s commitment to protecting the health, safety, and welfare of the public. Feb 19, 2024 · Basic Wind Velocity in the United States According to ASCE. Probabilistic Tsunami Hazard Analysis is the basis for the 2475-yr MRI Tsunami Design Zone maps. While the old map had fewer ranges of wind speed across the United States, the new map divides it into Being that the websiteprovides information from multiple editions of the ASCE 7 s referenced standard, information should be applied from the edition listedin Chapter 35 of the building subcode or hapter 4C 4 of the one- and two-family dwelling subcode. Velocity pressure qh times pressure coefficient GCp. 2 specified in ASCE 7 Chapter 18 and 19 shall apply. D. 0 Cart Wind speed maps are provided for each Risk Category (formerly Occupancy Categories) instead of applying an Importance Factor to the design pressure calculations for Risk Categories III and IV. The reliability analyses reported in this paper were Feb 10, 2015 · Abstract. 6 of ASCE 7-16 details how the procedure in determining the Seismic Design Category of the structure based on the Risk Category and Site Class for the structure. 2. a design wind speed of 170 mph while Risk Categories III and IV have a design wind speed of 180 mph. ”. and its Territories from the following documents: International Building Code: 2012 , 2009, and 2006. The ASCE 7 Hazard Tool is a quick reliable way to look up key design parameters specified in Standard ASCE 7. 5-1 of ASCE 7-16, we can classify the ground-mounted solar panel in this example to Risk Category I. Risk category is used in several places in ASCE 7, including determination of importance factor, requirements for protected access for Risk Category IV structures, determination of seismic design category, drift limits, and importance Use our ASCE Wind Speeds map to easily obtain the ASCE wind speeds (7-16, 7-10, 7-05) for any location in the contiguous United States, Puerto Rico and Alaska. 4 are used, flat roof snow loads of 30 psf IBC Table 1604. 2 Brief History of ASCE 7 Seismic Load Provisions 2 1. Simply put, ASCE 7-10 uses three maps based on strength design in conjunction with a wind-load factor of 1. 5-1 of ASCE 7 provides general descriptions for all Risk Categories. ≤ 95. 5). 4 Significant Changes in ASCE 7-16 Relative to ASCE 7-10 7 Chapter 2 Risk Category 9 2. W hat is the allowable drift for my Main Wind Force Resisting System (MWFRS) under wind loads? ASCE 7 does not suggest an allowable drift limit for wind design Where a reference standard specifies an occupancy category, the risk category shall not be taken as lower than the occupancy category specified therein (IBC Table 1604. However, because the Risk Category descriptions in Table 1. speed map for Risk Category IV buildings and structures. By default, the Map Viewer displays the statewide map, with the ASCE/SEI 7-22 Risk Category II Basic Wind Speed Map lines shown in green. 2 Examples 11 Chapter 3 Determining Ground Motion Parameters 17 3. 2) When the Allowable Stress Design Load Combinations of ASCE 7 Section 2. Each of these maps (and associ-ated datasets) is based on reliability calculations that target the reliability objectives of Chapter 1 of ASCE 7-22. This means that if a cooling tower is located on an administration building (Risk Category II) of a hospital but serves the surgery building (Risk Category IV) of the hospital, the wind loads determined for the cooling tower would be based on the Risk Category IV wind speed map. • Risk Category from Table 1604. This updated guide introduces readers to the relevant sections of the standard and provides an extensive overview of the design procedures and the revised wind speed maps. This chapter explains the selection of Risk Category for various buildings and other structures. The tornado speed return periods for each risk category are the same mean recurrence intervals (MRI s) used for basic wind speeds in ASCE 7, Chapter 26, and are approximately consistent with the target reliabilities defined in the first row of ASCE 7, Table 1. Wind Speed Contour Maps ASCE 7-16 developed new basic wind speed maps for each risk category building or other structure. 0 s) Wind Maps. Buildings are primarily classified by the risk they pose The ASCE 7 provisions constitute a comprehensive method for reliable tsunami structural resilience, making tsunamis a required consideration in planning, siting, and design of coastal structures in the five western states of the USA. The inclusion of performance-based design as a legitimate alternative to the tra-ditional ASD and Strength Design proce-dures is an important step forward. 7 Snow: Ground snow load and winter wind parameter Mar 26, 2020 · Abstract. In terms of Risk Category, Table 1604. Feb 10, 2015 · Importance factors are a function of the Risk Category, and their primary use is in the determination of design lateral forces. Figure 1: Figure 1. This chapter covers the selection of risk categories for a variety of buildings and other structures. To access the other map layers, click the Layers button on the standard that the assignment of a risk category be in accordance with ASCE 7, Table 1. 3-1. The term “Risk Category” replaces the term “Occupancy Category”. 5 or Table 1. Category III and IV represent different The ASCE 7 Hazard Tool is a web-based application that allows civil engineers to access site-specific structural design parameters based on the latest standards and codes. 3 Overview of the Update Process for ASCE 7 5 1. The 2012 Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings includes ASCE 7-10 Risk Category II wind speed maps, tabulated requirements for wind speeds ranging from 110 mph to 195 mph for both Exposures B and C, and a conversion table to adjust tabular values for Exposure D. 5 Risk Category of Buildings and Other Structures (excerpt). 42 reduction is the equivalent of using the maps in ASCE 7 Commentary for a 10-year return period at a service level wind load. The tool covers various natural hazards, such as wind, seismic, snow, ice, rain, flood, tsunami, and tornado. ASCE/SEI 7-05 used to have one nominal wind speed map, independent of the Building Occupancy Category (the term that was replaced by Building Risk Category in 2010). Category III and IV represent different ASCE 7-22 also includes GSL maps for each Risk Category. 1 Overview 9 2. The basic wind speed can be determined using the ASCE 7 Hazard Tool or by using wind speed maps provided by ASCE 7-16 Figure 26. SEI is currently accepting proposals to modify the 2022 edition of ASCE/SEI 7 Minimum Design Loads and Associated Criteria for Buildings and Other Structures, as the committee prepares for the 2028 revision cycle. NEHRP Recommended Seismic Provisions: 2009 and 2003. sv qo ac so sk ou gh kx me yu