The seismic evaluation was based on the preliminary seismic design recommendations report provided by office of geotechnical design-west dated july 30, 2010, as below the revised seismic design recommendation dated december 7, 2016, indicates based on borings. Table of contents vii seismic evaluation and retrofit of concrete buildings products 12 and 13 of the proposition 122 seismic retrofit practices improvement program. Seismic evaluation because of the existence of a tremendous amount of air handling/cleaning equipment that was installed on the roof during the life of the structure due to the lack of structural.
Seismic retrofit is defined as the measures taken to improve the seismic performance of a building by the correction of deficiencies identified in the evaluation relative to a selected performance objective. Seismic evaluation is defined as an approved process or methodology of evaluating deficiencies in a building, which prevent the building from achieving a selected performance goal seismic rehabilitation is defined as improving the seismic performance of. The evaluation must be completed before any future permits will be issued the following shall be exempted from this requirement: a buildings constructed or renovated to seismic zone 2, 2b or 3 under a permit issued after january 1, 1974. By completing this seismic evaluation, a hospital facility can determine its respective seismic performance categories for both the structural performance category (spc) and the nonstructural performance category (npc) in accordance with articles 2 and 11 of these regulations.
Seismic evaluation and retrofit of existing buildings describes deficiency-based and systematic procedures that use performance-based principles to evaluate and retrofit existing buildings to withstand the effects of earthquakes. Earthquake performance evaluation tool seismic evaluation internet portal virtual seismic performance analysis of a building structure. 26 asce/sei 31-03 – seismic evaluation of existing buildings this standard is a publication of the american society of civil engineers, which provides a process for seismic evaluation of existing buildings (asce 2003.
Seismic survey success begins with 4d feasibility studies and informed survey evaluation and design workflows & applications westerngeco provides technical answers to maximize your investment in seismic acquisition and resolve your reservoir imaging challenges. Our supplementary seismic evaluation includes preparation of seismic parameters consistent with the requirements of american society of civil engineers/structural engineers institute (asce/sei) standards 41-06 and 41-13 (asce/sei, 2007 2013) and preparing this report. The article presents the seismic evaluation and retrofit of a 10-storey steel building located in vancouver, british columbia, designed following the provisions of the 1980 nbcc and the csa-s161-m78 steel design standard. Seismic evaluation of multi storey rc buildings with and without fluid viscous dampers by a ravitheja m tech structural engineering in g pulla reddy engineering college, india abstract- earthquakes are one of the most destructive of natural hazards earthquake occurs due to.
Evaluation was to identify major seismic deficiencies, provide conceptual retrofit schemes and a cost estimate to implement the retrofit schemes the seismic vulnerability assessment included: identification of lack of anchorage of non-structural elements and. Sponsored by the structural engineering institute of asce seismic evaluation and retrofit of existing buildings describes deficiency-based and systematic procedures that use performance-based principles to evaluate and retrofit existing buildings to withstand the effects of earthquakes this next. Aci-3413r-07 seismic evaluation and retrofit techniques for concrete bridges provides a summary of seismic evaluation and retrofit techniques for reinforced concrete bridges the document is intended to be useful to practicing engineers and academic researchers. The seismic evaluation procedure presented in these guidelines is derived from such documents as atc 40, fema 310, fema 273 (now fema 356), ucbc (now gsreb) of icbo, new zealand draft code, and eurocode.
The scope of this evaluation is to identify potential structural seismic vulnerabilities of the existing building that would likely pose a life-safety risk to the building’s occupants during a design level earthquake. Seismic evaluation and retrofit of existing buildings describes deficiency-based and systematic procedures that use performance-based principles to evaluate and retrofit existing buildings to withstand the effects of earthquakes this next-generation standard combines the evaluation and retrofit. A resulting detailed evaluation of the existing site conditions led to the development (by others) of a rehabilitation program involving the construction of a large toe buttress to minimize the adverse impacts of the seepage and to provide the requisite calculated factor of safety regarding static and seismic slope stability. The evaluation was performed using the seismic source characterization that had been peer reviewed by sage, as discussed above sage developing four sets of spectrally-matched acceleration time histories representative of the 84th percentile mw 73 event on the bartlett springs fault.
The atc-40 report seismic evaluation and retrofit of concrete buildings was developed under a contract from the california seismic safety commission published 1996 612 pages abstract this 2-volume report provides a state-of-the-art methodology for the seismic evaluation and retrofit of. Review of seismic evaluation methodologies for nuclear power plants based on a benchmark exercise if you would like to learn more about the iaea’s work, sign up for our weekly updates containing our most important news, multimedia and more. The applied technology council (atc), with funding from the california seismic safety commission developed the document, seismic evaluation and retrofit of concrete buildings, commonly referred to as atc 40this two‐volume, 612‐page report provides a recommended procedure for the seismic evaluation and retrofit of concrete buildings.
Guide for seismic evaluation of active mechanical equipment october 2004 october 2004 americanlifelinesalliance a public-private partnership to reduce risk to utility and transportation systems from natural hazards and manmade threats guide for seismic evaluation. California hospitals governed by oshpd through the sb1950, sb499 and sb90 seismic evaluation procedures assessment and retrofit of california state-owned buildings as required by california building code chapter 34 and the state seismic survey program. Seismic testing services the use of enclosures that have been through seismic testing is called for in areas where earthquake activity is possible seismic testing will determine if your equipment can withstand the effects of movement or vibrations in areas close to railways, airports, power plants and other areas subject to similar conditions. For seismic performance evaluation, a structural analysis of the mathematical model of the structure is required to determine force and displacement demands in various.