The total lateral force at the base of the structure, known as the Base Shear (

If you are analyzing a building permitted in 2007, you use ASCE 7-05 seismic provisions, not the current code. Using 7-16 would be a technical and legal error.

It’s been nearly two decades, but ASCE 7-05 remains a staple in many hard drives. Whether you are analyzing an existing building or studying for the PE/SE exam, the "Minimum Design Loads for Buildings and Other Structures" is essential reading.