Question of the week
The three-story building structure shown below has rigid electrical equipment supported on non-ductile porcelain insulators that provide anchorage to the structure. Identical equipment is located at the base and at the roof of the building.
Seismic Design Category D
SDS = 1.1
lp = 1.0
Wp = 10 kips
Find the design lateral seismic force;
The correct answer is A (2.93 kips)
How everyone else is answering?