WebThe component importance factor, I p, shall be taken as 1.5 if any of the following conditions apply: The component is required to function for life-safety purposes after an earthquake, including fire protection sprinkler systems. The component contains hazardous materials. The component is in or attached to an Occupancy Category IV structure ... WebDec 13, 2024 · Seismic retrofitting of vulnerable structures is critical to reducing risk. It is important for protecting the lives and assets of building occupants and the continuity of …
Seismic Options for New and Old Reservoirs - PNWS-AWWA
WebA commercial greenhouse would use a higher I-value for wind and snow design. It does not affect seismic design. Seismic Use Group I Table 9.1.3 and section 9.1.3 Seismic Use Group is based on the occupancy category of the structure. Occupancy categories I and II are both Seismic Use Group I. S s = 0.5g Site specific information from maps, S WebThe seismic load effect s including overstrength factor in accordance with Sections 2.3.6 and 2.4.5 of ASCE 7 where required by Chapters 12, 13, and 15 of ASCE 7. With the simplified procedure of ASCE 7, Section 12.14, the seismic load effect s including overstrength factor in accordance with Section 12.14.3.2 and Chapter 2 of ASCE 7 shall … inguinal hernia sonographic appearance
Seismic Building Codes FEMA.gov
WebOct 5, 2024 · Three seismic hazard groups are defined. Group III is for facilities such as fire and police stations, hospitals, medical facilities with emergency treatment facilities, and structures containing toxic or explosive substances. Group II is for high-occupancy buildings and utilities not required for emergency backup. WebDec 13, 2024 · When dealing with a population of buildings, the first step is to perform a quick survey using Rapid Visual Screening of Buildings for Potential Seismic Hazards (FEMA 154). The next step is to evaluate the building using Seismic Evaluation of Existing Buildings (ASCE/SEI 31-03). If the evaluation shows that retrofitting is needed, this should ... WebDec 1, 2008 · The Seismic Use Group is based on the Occupancy Category of the building and is defined as follows: • Occupancy Category IV—Buildings and other structures designated as essential facilities (e.g., hospitals, police stations, and fire stations) inguinal hernia sono