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This code applies to all buildings except detached one- and two-family dwellings and townhouses up to three stories. The 2018 IBC contains many important changes such as: Accessory storage spaces of any size are now permitted to be classified as part of the occupancy to which they are accessory. New code sections have been introduced addressing medical gas systems and higher education laboratories. Use of fire walls to create separate buildings is now limited to only the determination of permissible types of construction based on allowable building area and height. Where an elevator hoistway door opens into a fire-resistance-rated corridor, the opening must be protected in a manner to address smoke intrusion into the hoistway. The occupant load factor for business uses has been revised to one occupant per 150 square feet. Live loads on decks and balconies increase the deck live load to one and one-half times the live load of the area served. The minimum lateral load that fire walls are required to resist is five pounds per square foot. Wind speed maps updated, including maps for the state of Hawaii. Terminology describing wind speeds has changed again with ultimate design wind speeds now called basic design wind speeds. Site soil coefficients now correspond to the newest generation of ground motion attenuation equations (seismic values). Five-foot tall wood trusses requiring permanent bracing must have a periodic special inspection to verify that the required bracing has been installed. New alternative fastener schedule for construction of mechanically laminated decking is added giving equivalent power-driven fasteners for the 20-penny nail. Solid sawn lumber header and girder spans for the exterior bearing walls reduce span lengths to allow #2 Southern Pine design values
Internationally, code officials recognize the need for a modern, up-to-date building code addressing the design and installation of building systems through requirements emphasizing performance. The 2009 International Building Code® (IBC®) is designed to meet those needs through model code regulations that safeguard the public health and safety in all communities, large and small. This comprehensive code establishes minimum regulations for building systems using prescriptive and performance-based provisions. It is founded on broad-based principles that make possible the use of alternate materials as well as new, improved design methodologies. The changes in the structural provisions of the 2009 IBC when compared to previous editions of the IBC and legacy codes (Uniform Building Code, National Building Code, Standard Building Code) create the need for a comprehensive work that discusses the changes and expands on many of the new or improved provisions. This book, the 2009 IBC Handbook—Structural Provisions, is intended to do just that. By helping code users understand and properly apply the structural provisions in Chapters 16 through 23 of the 2009 IBC, this handbook is a valuable resource for those who design, plan review, inspect or construct buildings or other structures regulated by the 2009 IBC. Although it will prove useful to a broad range of individuals, it was written primarily so that architects, engineers and code officials can understand the IBC’s provisions and gain insight into their underlying basis and intent. To that end, the handbook’s numerous figures, tables and examples help clarify and illustrate the proper application of many code provisions. One of the significant differences between the structural provisions in the UBC and the IBC is that the IBC adopts national (structural) standards by reference rather than transcribing the structural provisions of the standards into the code itself. This is true for structural loads as well as structural materials. This trend has continued with each subsequent edition of the IBC to the extent that the 2009 IBC relies on the referenced standards even more than the previous editions. Therefore, in many cases the discussion in this handbook pertains to the provisions in the referenced standard rather than the IBC itself. The 2009 IBC Handbook—Structural Provisions covers four major structural categories: Structural load effects and design provisions of Chapter 16 Special inspection, structural testing and structural observation provisions of Chapter 17 Foundation and soil provisions of Chapter 18 Specific structural material provisions for concrete, masonry, steel and wood in Chapters 19 through 23 As an added benefit to readers, ICC has included a CD-ROM containing the complete structural handbook as well as a variety of helpful resource documents such as 2003 NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures with Accompanying Commentary (FEMA 450, Parts 1 and 2), NEHRP Recommended Provisions: Design Examples (FEMA 451), NEHRP Recommended Provisions for New Buildings and Other Structures: Training and Instructional Materials (FEMA 451B), Seismic Considerations for Steel Storage Racks Located in Areas Accessible to the Public (FEMA 460), Homebuilders’ Guide to Earthquake-Resistant Preface Design and Construction (FEMA 232), Communicating with Owners and Managers of New Buildings on Earthquake Risk: A Primer for Design Professionals (FEMA 389), Designing for Earthquakes: A Manual for Architects (FEMA 454) and CodeMaster—2006 IBC Seismic Design—2006 IBC, 2003 NEHRP, ASCE 7-05. About the International Code Council The International Code Council® (ICC®) is a nonprofit membership association dedicated to protecting the health, safety, and welfare of people by creating better buildings and safer communities. The mission of ICC is to provide the highest quality codes, standards, products and services for all concerned with the safety and performance of the built environment. ICC is the publisher of the family of the International Codes® (I-Codes®), a single set of comprehensive and coordinated model codes. This unified approach to building codes enhances safety, efficiency and affordability in the construction of buildings. The Code Council is also dedicated to innovation, sustainability and energy efficiency. Code Council subsidiary, ICC Evaluation Service, issues Evaluation Reports for innovative products and reports of Sustainable Attributes Verification and Evaluation (SAVE). Headquarters: 500 New Jersey Avenue, NW, 6th Floor, Washington, DC 20001-2070 District Offices: Birmingham, AL; Chicago. IL; Los Angeles, CA 1-888-422-7233 This book is dedicated to John Nosse, first president of ICC Evaluation Service; first and only president of ICBO Evaluation Service; a 45-year veteran of the model-code groups; a first-rate engineer, a dedicated code professional, and a respected leader; and, ever and always, a true gentleman.
This new edition encompasses current design methods used for steel railway bridges in both SI and Imperial (US Customary) units. It discusses the planning of railway bridges and the appropriate types of bridges based on planning considerations.
The building shell is the interface with the outside world, it offers protection and at the same time represents its owners or occupants. But what are the criteria for choosing a specific shell? Why is a particular material used on a particular undercoat? The fifth volume of the SCALE series, Enclose | Build, is not about the curtain, the dressing of the facade that surrounds a building, but rather on a causal level about the exterior termination of a building, the wall, the facade, which can be made of various materials, surfaces, and achieves different design effects. It shows the conditions under which certain constructions can be employed and why; what criteria such as construction costs, issues of sustainability, of energy efficiency, of assembly or of insulation or protection against moisture can also influence the choice of a system. In addition to classical constructions, Enclose | Build offers a look at future developments. How will the facade evolve as an interface for information? What do viable concepts for environmentally active, energy-efficient building shells look like? Enclose | Build is an indispensable tool for every architect and planner.