Where the approximate fundamental period, Ta, of a structure is less than TS, equation 16-35, Seismic Design Category The requirements for a suspended ceiling are determined by the buildings Seismic Design Category. Geographic location. Don't miss relevant code. Seismic Design Category D0, D1 or D2 and in townhouses in Seismic Design Category C, where an opening in a floor exceeds the lesser of 12 feet (3658 mm) or 50 percent of the least floor dimension that portion of the structure shall be designed in accordance with accepted engineering practice to the extent 0000008964 00000 n The minimum yield strength of the reinforcing steel shall be 40,000 psi, Grade 40 (300 MPa) except in Seismic Design Categories D1 and D2 where reinforcing steel shall have a minimum yield strength of 60,000 0000031959 00000 n xref BY LARRY S. MUIR, PE HERE IN THE STEEL SOLUTIONS CENTER, we are periodically asked about the percentage of questions involving seismic design. Generate a code sheet that integrates with your drawing set. 3. 0000006170 00000 n Quickly locate sections across your jurisdiction. DISCLAIMER. 0000010745 00000 n 0000052580 00000 n 0000003023 00000 n R301.2.2.1 Determination of seismic design category. 13) vertical bars at a spacing not exceeding 48 inches (1219 mm) shall be provided. trailer %PDF-1.4 %���� Rapidly and efficiently calculate project parameters. Access to UL product and system certification information. DCD Tier 2, Section 3.7, “Seismic Design,” discusses the design criteria for seismic Category II SSCs. 0000014828 00000 n The seismic provisions of this code shall apply to buildings constructed in Seismic Design Categories C, C1, D0, D 1 and D 2, as determined in accordance with this section. 0000006141 00000 n Site Class Address Coords Go. 0000007775 00000 n Special criteria for determination of SDC now ex-tend to buildings with flexible diaphragms where the distance between vertical elements of the seismic force-re- 0 0000006744 00000 n 0000002812 00000 n A quick analysis revealed that the answer is slightly more than one out of every 20 questions. In buildings assigned to Seismic Design Category D0, D1 or D2, as established in Table R301.2(1), concrete foundation walls that support light-frame walls shall comply with this section, and concrete foundation walls that support above-grade concrete walls shall comply with ACI 318, ACI 332 or PCA 100 (see Section R404.1.3). The colors in the maps denote “seismic design categories” (SDCs), which reflect the likelihood of experiencing earthquake shaking of various intensities. Projects provide a dedicated space to collaborate on code research. Code Calculators automatically generates a detailed list of requirements. ft. Intermediate Duty Passed With these certified IBC-compliant assemblies, USG is the only manufacturer to offer: Unbalanced backfill height shall not exceed 4 feet (1219 mm). A reliable and up-to-date source of codes. D - unless recommended otherwise by Geotechnical Engineer Weathering . N/A Site Class for Seismic Design. 0000032793 00000 n Negligible Air Freezing Index. Seismic Design Category D2.1.2.5 Summary D2.1.2.6 Component Importance Factor D2.1.3 Introduction D2.1.3.1 Criteria for Assigning a Component Importance Factor D2.1.3.2 Summary D2.1.3.3 General Exemptions and Requirements D2.1.4 Introduction D2.1.4.1 Exemptions for Seismic Design Categories A and B D2.1.4.2 Seismic Design Category D -Corresponds to buildings and structures in areas expected to experience severe and destructive ground shaking But NOT located close to a major fault. Minimum nominal thickness for plain masonry foundation. Chelan County and its Consultants make no In addition to the requirements of Table R404.1.1(1), plain masonry foundation walls shall comply with the following: Foundation walls, supporting more than 4 feet (1219 mm) of unbalanced backfill or exceeding 8 feet (2438 mm) in height shall be constructed in accordance with Table R404.1.1(2), R404.1.1(3) or R404.1.1(4). 0000011355 00000 n 0000014348 00000 n %%EOF Both wind and seismic load requirements are based on provisions of ASCE 7 Minimum Design Loads for Buildings and Other Structures. Foundation walls less than 7.5 inches (191 mm) in thickness, supporting more than 4 feet (1219 mm) of unbalanced backfill or exceeding 8 feet (2438 mm) in height shall be provided with horizontal reinforcement in accordance with Table R404.1.2(1), and vertical reinforcement in accordance with Table R404.1.2(2), R404.1.2(3), R404.1.2(4), R404.1.2(5), R404.1.2(6), R404.1.2(7) or R404.1.2(8). 1593 0 obj <>stream Entering the two design charts with these values and using the worst value reveals SDC = C. So, in summary the Occupancy Category, geographic location and the Site Class of the project site determine the Seismic Design Category. Heavy Duty Passed System DXL-I-C C 2.27 lbs./sq. 0000007115 00000 n By analyzing these three criteria for a construction project, you can determine the seismic design category (A-F). 0000056451 00000 n 1544 0 obj <> endobj seismic forces in new buildings assigned to Seismic Design Category D, E, or F. The design force levels are specified in Minimum Design Loads for Buildings and Other Structures (ASCE/SEI 7-10) (ASCE 2010), and the design proportions and details are defined in the Building Code Requirements for Structural Concrete (ACI 318-11) and Commentary (ACI 0000012511 00000 n Seismic load requirements are based on seismic design category D 2. E. Carvalho, M. Fardis . 0000003671 00000 n Seismic Design Category D1 Seismic Design Category D2 Site Class F Ice Water Streams Highway City Boundary UGA Boundaries County Boundary The information included on this map has been compiled for Chelan County from a variety of sources and is subject to change without notice. Risk Category . Sites with poor soils are a good example ; Seismic Design Category E - Corresponds to buildings of Occupancy Groups I,II and III in areas NEAR MAJOR ACTIVE FAULTS. 0000000016 00000 n For seismic design category C or below, brick masonry with Type N mortar is usually used, which is adequate for carrying the self-weight, transferring loads to the tie connections, and limiting flexural cracking of the brick veneer. Zero Ice Barrier Underlayment. In IBC, structural classification and earthquake design category depends on parameter, mapped spectral response acceleration at 1-S period (S 1).When S 1 is equal or greater than 0.75, the occupancy category I,II and III are assigned. 0000009595 00000 n More than 3,500 earthquakes have been recorded east of the Mississippi River since 1700. 0000032875 00000 n �� �151�qxǠ#J�d(� ,j��L`���=�̽s�����ؒ�^�8��q�jg�r���GKA�� ������}j3�.����K��ϡ� ꒌ+�V��f�J�=9.۾Ӹwº������gZT�0��7�f{d]a��@���i�o�dm]���屋%�כ�C���X�h�+���:�Z�������W֔v�<1�R. 0000008317 00000 n [Table 1-1]. 1544 50 Unpack the code through illustrations and descriptions. 0000004110 00000 n 0000010143 00000 n Exterior walls of buildings located in Seismic Design Categories D 0, D 1 and D 2 shall be supported by continuous solid or fully grouted masonry or concrete footings. A closer look at seismic design with AISC’s Steel Solutions Center. 0000006028 00000 n System Design Seismic Design Maximum Ceiling Allowable Suspension Test Result Category System Weight Tested System Load Carrying Capacity System DXL-H D, E, F 2.50 lbs./sq. Vertical load requirements are based on an 18 psf (0.9 kN/m2) wall dead load, 15 psf (0.7 kN/m2) roof dead load, and 20 psf (1.0 kN/m2) roof live load. 0000032240 00000 n hެUkPW�� �!�lXhD�d�:�d,:V$+c�#��V�#`Q�Z�dd6Tt�W� ER@���j Q&�i�AkՖ�h�����q�:�n��G���ܹ{�=��w��] 2. 0000014675 00000 n 0000046599 00000 n Where Tables R404.1.2(2) through R404.1.2(8) permit plain concrete walls, not less than No. 0000052509 00000 n 0000011959 00000 n 0000014746 00000 n Calculation of seismic design category for Lahore, Peshawar, Quetta, Karachi and Azad Kashmir and comparing the accelerations with UBC-97 Code. Seismic Design Specification for Buildings, Structures, Equipment, and Systems: 2020 12/31/2019 1 1 General Design Requirements SLAC will use the 2019 California Building Code (CBC) for structural design criteria.1 The 2019 CBC adjusts the level of design based on risk categories … In Position C.3 of RG 1.29, the NRC recommends guidelines for designing interfaces between seismic Category I and nonseismic SSCs. 0000013072 00000 n Thus, as the SDC for a structure increases, so do the strength and From Ss, S1 and the Site Class adjustment come the design values of Sds = .383g and Sd1 = .167g. R404.1 Concrete and Masonry Foundation Walls, R404.1.4 Seismic Design Category D0, D1 or D2, R301.2.2.3 Building Planning, Seismic Design Categories D0, D1 and D2, R301.2 Climatic and Geographic Design Criteria, R301.2.2.3 Seismic Design Categories D0, D1 and D2, R404.1.4 Foundations, Seismic Design Category D0, D1 or D2, R404.1.4 Foundations, Seismic Design Category D, R603.9.5.2 Wall Construction, Seismic Design Categories D0, D1 and D2, R603.9.5 Structural Sheathing for Stone and Masonry Veneer, R603.9.5.2 Seismic Design Categories D0, D1 and D2, R603.9.5.2 Wall Construction, Seismic Design Categories D. Wall height shall not exceed 8 feet (2438 mm). Residential High Seismic Risk – the jurisdiction is located in a county where the county or any portion thereof falls within Seismic Design Categories D0, D1, D2, or E for site class D according to 2015 IRC Figure R301.2(2). Delete without substitution: Buildings shall be assigned a seismic de sign category in accordance with Figure R301.2(2). In buildings assigned to Seismic Design Category D 0, D 1 or D 2, as established in Table R301.2 (1), concrete foundation walls that support light-frame walls shall comply with this section, and concrete foundation walls that support above- grade concrete walls shall comply with ACI 318, ACI 332 or PCA 100 (see Section R404.1.3 ). Highlight differences between any two building codes. The structure is also assigned to seismic design category E. startxref California is not the only region considered at risk for seismic activity. Get everyone on the same page and streamline code research. 0000001327 00000 n 4 (No. Understanding IBC Seismic for MEP.pdf 0000046195 00000 n Occupancy Category & Seismic Use Group (Table 1-1, Table 9.1.3). In Seismic Design Categories D1 and D2, reinforcing steel shall meet the requirements of ASTM A706 [16] for low-alloy steel. You can click on the map below to determine the seismic design category (SDC) and response parameter (S DS) for that location. N/A Frost Line Depth . 0000003193 00000 n 0000009200 00000 n View thousands of relevant UL Certified products and assemblies that help achieve code compliance. Use our IBC Seismic Design Categories map to easily obtain the seismic design category and spectral response acceleration parameter (Section 1613 of the IBC 2015) for any location in the contiguous United States, Puerto Rico and Alaska. 0000056356 00000 n 0000013571 00000 n Home (current) About; Report an Issue; Contact; Search for Address or Coordinates Reference. seismic response coefficient, CS, the Seismic Design Category is permitted to be determined based solely on the Seismic Use Group and short period spectral response acceleration, SDS, in accordance with Table 1616.3 (1). Seismic Use Group I: everything else. Code calculators automatically generate a detailed list of requirements. 0000032722 00000 n Determination of Seismic Design Category (SDC) Determination of SDC in IBC Section 1613.5.6 has been revised to match criteria contained in ASCE 7 Section 12.3.1. 0000005377 00000 n 0000010114 00000 n R404.1.4 Foundations, Seismic Design Category D0, D1 or D2 In buildings assigned to Seismic Design Category D 0 , D 1 or D 2 , as established in Table … a) Detached 1 and 2 family dwellings with a Ss<0.4 and SDC (Seismic Design Category) = A, B or C. b) Detached 1 and 2 family dwellings (not included above), wood framed, less than 2 stories, and designed in accordance with the IRC. 0000052039 00000 n 0000005492 00000 n We are looking to gauge the level of interest in linking UL product and system certification information alongside related code sections. (Building design and construction professionals use SDCs specified in building codes to determine the level of seismic resistance required for new buildings.) DCD Tier 2, Section 3.7.3.13, “Interaction of Other Systems with Seismic Category I Systems,” Masonry foundation walls shall have two No. Very Heavy Ground Snow Load. Seismic Provisions for Structural Steel Buildings July 12, 2016 Supersedes the Seismic Provisions for Structural Steel Buildings dated June 22, 2010 and all previous versions Approved by the Committee on Specifications AMERICAN INSTITUTE OF STEEL CONSTRUCTION 130 East Randolph Street, Suite 2000, Chicago, Illinois 60601 www.aisc.org Determination of the Seismic Design Category is complex and must be determined by a Registered Architect or Professional Engineer and should be found in the construction docu-mentation. 0000045908 00000 n 0000003958 00000 n Seismic Design Category C, D, E, or F Seismic Design Category (SDC) Importance Factor I p= 1.0 I = 1.5 (Life Safety or Hazardous) A EXEMPT – Seismic Not Required EXEMPT – Seismic Not Required B EXEMPT – Seismic Not Required EXEMPT – Seismic Not Required C EXEMPT – Seismic Not Required REQUIRED D REQUIRED REQUIRED E REQUIRED REQUIRED Seismic Design Of Buildings Course# ST-704 EZ-pdh.com Ezekiel Enterprises, LLC 301 Mission Dr. Unit 571 New Smyrna Beach, FL 32128 386-882-EZCE(3923) 4 (No. Seismic Design Maps. potential seismic risk as represented by the Seismic Design Category increases, the Provisions requires progressively more rigorous seismic design and construction as a means of attempting to ensure that all buildings provide an acceptable risk to the public. EUR 25204 EN - 2012 Eurocode 8: Seismic Design of Buildings Worked examples Worked examples presented at the Workshop “EC 8: Seismic Design of Buildings”, Lisbon, 10-11 Feb. 2011 Detached one- and two-family dwellings, assigned to Seismic Design Category A, B or C, or located where the mapped short-period spectral response acceleration, SS, is less than 0.4 g. 2. Zone 10 CRC Table 301.2(1) Climatic and Geographic Design Criteria: Termite. <]/Prev 1142532/XRefStm 2812>> Leverage the most sophisticated code compliance platform. 0000003812 00000 n 13) horizontal bars located in the upper 12 inches (305 mm) of the wall. Leverage the full code compliance platform. Custom Probability . 0000051743 00000 n 0000007144 00000 n Seismic Design Category D2 Climate Zone. Exceptions: 1. c) Agricultural buildings R403.1.2 Continuous footing in Seismic Design Categories D0, D1 and D2. 0000004717 00000 n D2.1 – 5.4 Single Clevis Supported Pipe in Seismic Design Category C D2.1 – 5.5 Single Clevis Supported Pipe in Seismic Design Categories D, E, and F D2.1 – 5.6 Exemptions for Trapeze Supported Pipe per VISCMA Recommendations D2.1 – 5.6.1 Trapeze Supported Pipe in Seismic Design Categories A and B D2.1 – 5.6.2 Trapeze Supported Pipe in Seismic Design Category C D2… In buildings assigned to Seismic Design Category D0, D1 or D2, as established in Table R301.2(1), masonry foundation walls shall comply with this section. 0000014070 00000 n In addition to the horizontal reinforcement required by Table R404.1.2(1), plain concrete walls supporting light-frame walls shall comply with the following. seismic design category for a structure is permitted to be determined in accordance with Section 1613 or ASCE 7”. Step 1 Determine the Coordinates of All cities by using the following website ft. D2.1 – 4.2 Exemptions for Seismic Design Categories A and B D2.1 – 4.3 Exemptions for Seismic Design Category C D2.1 – 4.4 Exemptions for Seismic Design Categories D, E, and F D2.1 – 4.5 “Chandelier” Exemption D2.1 – 4.6 Component Size Relative to the Building Structure D2.1 – 4.7 Reference Documents
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