Peoples Associates Structural Engineers

Peoples Associates was selected to be on a panel of design professionals who provided seismic evaluations and retrofit designs for approximately 40 seismically deficient buildings using the recently developed NEHRP guidelines for the Seismic Rehabilitation of Buildings (FEMA 273/274). The primary purpose of the project is to provide useful feedback on the practical use of FEMA 273/274 Guidelines. The Guidelines, completed in September 1997, reflect the current state of knowledge in seismic engineering practice. They include many innovations such as advanced engineering analysis procedures and a new approach to performance involving varying levels of acceptance criteria. The case study awarded to Peoples Associates is the seismic rehabilitation design study for the Electronic Shops at Lawrence Livermore National Laboratory in Livermore, California. The building consists of precast/tilt-up concrete walls with lightweight flexible diaphragms. The one-story, 47,000 sq. ft. building was constructed in several increments between 1953 and 1969. The roof is 2-inch pyrlofil on steel purlins and roof trusses. A steel-framed canopy cantileved from the north wall is supported by tie rods and anchors to the perimeter columns. Spread footings support the interior columns and strip footings support the perimeter precast panels and columns.





				SEISMIC GUIDELINES FOR CORPORATE FACILITES
		PROJECT NAME AND LOCATION Seismic Rehabilitation Design Study for Lawrence Livermore National Laboratory Livermore, California SERVICES Seismic Rehabilitation Design Study
				Seismic Rehabilitation Design Study for a One-Story Building Peoples Associates was selected to be on a panel of design professionals who provided seismic evaluations and retrofit designs for approximately 40 seismically deficient buildings using the recently developed NEHRP guidelines for the Seismic Rehabilitation of Buildings (FEMA 273/274). The primary purpose of the project is to provide useful feedback on the practical use of FEMA 273/274 Guidelines. The Guidelines, completed in September 1997, reflect the current state of knowledge in seismic engineering practice. They include many innovations such as advanced engineering analysis procedures and a new approach to performance involving varying levels of acceptance criteria. The case study awarded to Peoples Associates is the seismic rehabilitation design study for the Electronic Shops at Lawrence Livermore National Laboratory in Livermore, California. The building consists of precast/tilt-up concrete walls with lightweight flexible diaphragms. The one-story, 47,000 sq. ft. building was constructed in several increments between 1953 and 1969. The roof is 2-inch pyrlofil on steel purlins and roof trusses. A steel-framed canopy cantileved from the north wall is supported by tie rods and anchors to the perimeter columns. Spread footings support the interior columns and strip footings support the perimeter precast panels and columns.