AmericanSocietyofCivilEngineers
MinimumDesignLoads for Buildings and Other Structures
This document uses both the International System of Units (SI) and customary units.
Library of Congress Cataloging-in-Publication Data
Minimum design loads for buildings and other structures /prepared by the Structural Engineering Instiute of the American Society of Civil Engineers.
Includes bibliographical references and index. “Revision of ASCE/SEI7-02. p.cm.-(ASCE standard)ISBN 0-7844-0809-2 1. Structural engineering-United States.2. Standards Engineering-United States. 1StructuralEngineering Institute Ii. Series: American Society of Civil Engineers.ASCE Standard.
TH851.M562005 624.1'72dc22
2005021021
Any statements expressed in these materials are those ofthe individual authors and do not necessarily represent the views of ASCE which takes no responsibility for any state-ment made herein. No reference made in this publication to any specificmethodproductprocess orservice constitutes orm-plles an endorsement remendation or warranty thereof by ASCE.ASCE makes norepresentation or warranty of any kindwtherexpressormliedconcerning the accurayplesssutaityrtilyayifionassumes noliabity therefore. This infomation should not be used without first securing petent advice with respect toits suitability for any general or specific application. Anyone utlizing this information assumes allability arising from suhuse including but not limited to infringement of any patent or patents.
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Copyright 2006 by the American Society of Civil Engineers.All Rights Reserved. ISBN 0-7844-0809-2Manufactured in the United Staites of America.
Second printing
STANDARDS
ASCE 19-96 Structural Applications of Steel Cables for BuildingsASCE 20-96 Standard Guidelines for the Design and Installation of Pile FoundationsASCE 21-98 Automated People Mover StandardsPart 2 ASCE 21-96 Automated People Mover StandardsPart 1SEI/ASCE 23-97 Specification for Structural Steel Beams with ASCE 21-00 Automated People Mover StandardsPart 3SEI/ASCE 24-98 Flood Resistant Design and Construction Web OpeningsASCE 25-97 Earthquake-Actuated Automatic Gas Shut-OffASCE 26-97 Standard Practice for Design of Buried Precast Con- DevicesASCE 27-00 Standard Practice for Direct Design of Precast Con- crete Box SectionsASCE 28-00 Standard Practice for Direct Design of Precast crete Pipe for Jacking in Trenchless ConstructionSEI/ASCE/SFPE 29-99 Standard Calculation Methods for Struc- Concrete Box Sections for Jacking in Trenchless ConstructionSEI/ASCE 30-00 Guideline for Condition Assessment of the tural Fire ProtectionBuilding EnvelopeSEI/ASCE 32-01 Design and Construction of Frost-Protected Shallow FoundationsEWRI/ASCE 33-01 Comprehensive Transhoundary International WaterQuality ManagementAgreementEWRI/ASCE 34-01 Standard Guidelines for Artificial Recharge of Ground WaterEWRI/ASCE 35-01 Guidelines for Quality Assurance of Installed Fine-Pore Aeration EquipmentCI/ASCE 36-01 Standard Construction Guidelines for Microtun- nelingSEI/ASCE 37-02 Design Loads on Structures During Construc-CI/ASCE 38-02 Standard Guideline for the Collection and De- tionEWRI/ASCE 39-03 Standard Practice for the Design and Opera- piction of Existing Subsurface Utility DataASCE/EWRI 40-03 Regulated Riparian Model Water Code tion of Hail Suppression ProjectsASCE/EWRI 42-04 Standard Practice for the Design and Opera- tion of Precipitation Enhancement ProjectsASCE/SEI43-05 Seismic Design Criteria for Structures Systems and Components in Nuclear FacilitiesASCE/EWRI 44-05 Standard Practice for the Design and Opera- tion of Supercooled Fog Dispersal Projects
In April 1980 the Board of Direction approved ASCE Rulesfor Standards Committees to govern the writing and maintenance of standards developed by the Society. All such standards are de-and Standards Activities Committee. The consensus process in- veloped by a consensus standards process managed by the Codescludes balloting by the Balanced Standards Committee which is posed of Society members and nonmembers balloting by themembership of ASCE as a whole and balloting by the public.intervals not exceeding 5 years. All standards are updated or reaffirmed by the same process at
The following Standards have been issued:
ANSI/ASCE 1-82 N-725 Guideline for Design and Analysis of Nuclear Safety Related Earth StructuresANSI/ASCE 2-91 Measurement of Oxygen Transfer in Clean WaterANSI/ASCE 3-91 Standard for the Structural Design of Com- posite Slabs and ANSI/ASCE 9-91 Standard Practice for theASCE 4-98 Seismic Analysis of Safety-Related Nuclear Struc- Construction and Inspection of Composite SlabsBuilding Code Requirements for Masonry Structures (ACI 530- sam02/ASCE 5-02/TMS 402-02) and Specifications for Masonry Structures (ACI 530.1-02/ASCE 6-02/TMS 602-02)ASCE/SEI 7-05 Minimum Design Loads for Buildings and OtherANSI/ASCE 8-90 Standard Specification for the Design of Cold- Formed Stainless Steel Structural Members StructuresASCE 10-97 Design of Latticed Steel Transmission Structures ANSI/ASCE 9-91 listed with ASCE 3-91SEI/ASCE 11-99 Guideline for Structural Condition Assessment of Existing BuildingsANSI/ASCE 12-91 Guideline for the Design of Urban SubsurfaceASCE 13-93 Standard Guidelines for Installation of Urban Sub- DrainageASCE 14-93 Standard Guidelines for Operation and Maintenance surface DrainageASCE 15-98 Standard Practice for Direct Design of Buried Pre-ASCE 16-95 Standard for Load and Resistance Factor Design cast Concrete Pipe Using Standard Installations (SIDD)(LRFD) of Engineered Wood Construction ASCE 18-96 Standard Guidelines for In-Process Oxygen Transfer Testing
FOREWORD
The material presented in this standard has been prepared inaccordance with recognized engineering principles This standard should not he used without first securing petent advice withof the material contained herein is not intended as a representation respect to its suitability for any given application. The publicationor warranty on the part of the American Society of Civil Engi- neers or of any other person named herein that this informationis suitable for any general or particular use or promises freedom
from infringement of any patent or patents. Anyone making useof this information assumes all liability from such use.
In the margin of Chapters I through 10 a barhas been placed to2002 edition. Because of the reorganization of the seismic provi- indicate a substantial technical revision in the standard from thesions these bars are not used in Chapters 11 through 23. Likewise bars are not used to indicate changes in the Commentary.
Errata as they are found are posted to
The American Society of Civil Engineers (ASCE) acknowl-edges the work of the Minimum Design Loads on Buildings and Other Structures Standards Committee of the Codes and Stan-dards Activities Division of the Structural Engineering Institute. This group prises individuals from many backgrounds in-education government design and private practice. cluding; consulting engineering research construction industry
Iyad M. Alsamsam PE. Kharaiti L. Abrol P.E.Paul Armstrong P.E. Robert E. Bachman S.E.Charles C. Baldwin PE. Demirtas C. Bayar PE.Ray A. Bucklin Ph.D. P.E. David G. BrinkerJames R. Cagley PE. Alan CarrCharles J. Carter Jack E. Cermak Ph.D. P.E.William L. Coulbourme P.E. Jay H. Crandell P.E.Bernard J. Deneke P.E. Majed A. DabdoubBradford K. Douglas PE. John F. Duntemann PE.Donald Dusenberry PE. Bruce R. Ellingwood Ph.D. PE. Vice-Chair Lawrence D. Reaveley PE.Edward R. Estes Jr. P.E.David A. Fanella Ph.D. PE. Mohammed M. Ettouney P.E.Lawrence Fischer P.E. Theodore V. Galambos Ph.D PE.Satyendra K. Ghosh Ph.D PE. Howard C. Gibbs PE.Dennis W. Graber PE. L.S. Lawrence G. Griffis PE.David S. Gromala PE. Ronald O. Hamburger P.E.Robert D. Hanson Ph.D. PE. James R. Harris Ph.D. PE. ChairScott R. Humphreys PE. Gilliam S. Harris PE.Christopher P. Jones P.E. Nicholas Isyumov PE.John H. Kampmann Jr. PE. A. Harry Karabinis PE.Jon P. Kiland P.E. Volkan KebeliJohn R. (Randy) Kissell P.E.Joseph E. Knarich Uno Kula PE.Edward M. Laatsch P.E. John V. Loscheider P.E.Sanjeev R. Malushte P.E. Ian MackinlayBonnie E. Manley PE. Harry W. Martin P.E.Rusk Masih Ph.D. PE. Andrew F. Martin PE.
ACKNOWLEDGEMENTS
George M. Matsumura P.E. Therese P. McAllister Ph.DRichard McConnell Ph.D. PE. Kishor C. Mehta Ph.D. PE.Joseph J. Messersmith Jr. PE. Fred MorelloMark Nunn Vilas S. Mujumdar P.E.Joe N. Nunnery P.E. George N. OliveMichael O'Rourke Ph.D. PE. Charles OlivierFrederick J Palmer P.E. Michael F. Pacey P.E.Alan B. Peabody PE. David B. Peraza P.E.Robert T. Ratay Ph.D. PE Clarkson W. Pinkham P.E.Mayasandra K. Ravindra Ph.D. PE.James A Rossberg PE Secretary Abraham J. Rokach PE.Herbert S. Saffr PE. L.S.William L. Shoemaker Ph.D. PE. Emil Simiu Ph.D. PE.Thomas D. Skaggs PE. Thomas L. Smith PE.James G. (Greg) Soules PE. Thomas E. (Eric) Stafford P.E.Donald R. Strand PE. Theodore Stathopoulos Ph.D. P.E.Harry B. Thomas PE. Chris TokasBrian E. Trimble P.E. David P Tyree P.E.Thomas R. Tyson P.E. Yi Kwei Wen Ph.D.Peter J. Gore-Willse PE. Lyle L. WilsonJoseph A. (Tony) Wintz IIL PE.Task Committee on General Stractural Tom C. Xia P.E.RequrirementsNanci Buscemi P.E. Iyad M. Alsamsam P.E.John F. Duntemann P.E. James S. Cohen P.E.John L. Gross IL Ph.D. PE. Donald Dusenberry PE. ChairMarcelino Iglesias Ronald O. Hamburger P.E.
This revision of the standard began in 2003 and incorporatesinformation as described in the mentary.
process by balloting in pliance with procedures of ASCE's This standard was prepared through the consensus standardswho serve on the Standards Committee are: Codes and Standards Activities Committee. Those individuals
John V. Loscheider PE. Anatol Longinow Ph.D. P.E.Sanjeev R. Malushte PE. Robert T. Ratay Ph.D. P.E.Mayasandra K. Ravindra Ph.D. P.E. James G. (Greg) Soules PE.Jason J. Thompson
Task Commtittee ont Strengti
Iyad M. Alsamsam PE.James S. Cohen P.E.Donald Dusenberry PE. Bruce R. Ellingwood Ph.D. PE. ChairTheodore V. Galambos Ph.D. PE. David S. Gromala P.E.James R. Harris Ph.D. PE. Ronald O. Hamburger PE.Nestor R. Iwankiw P.E. John V. Loscheider PE.Sanjeev R. Malushte Ph.D PE. Joe N. Nunnery PE.Clarkson W. Pinkham PE. Mayasandra K. Ravindra Ph.D. P.E.William L. (Lee) Shoemaker PhD. PE. Andrew Scanlon P.E.James G. (Greg) Soules P.E. Yi Kwei Wen Ph.D.
Task: Committee on Live Loads
Richard M. Bennett Ph.D. P.E.William L. Shoemaker Ph.D. P.E. John V. Loscheider PEJohn G. Tawresey P.E. Harry B. Thomas P.E.Thomas R. Tyson PE. Yi Kwei Wen Ph.D. Chair
Task Committee on Flood Loads
William L. Coulbourne P.E.Christopher P. Jones PE. Chair
Task Committee on Wined Loads
Daryl W. Boggs P.E. Jack E. Cermak Ph.D. P.E.Ronald A. Cook PE. Jay H. CrandelI PE.Bradford K. Douglas P.E. Charles EverlyDennis W. Graber P.E. L.S. Lawrence G. Griffis PE. Chair
