Vibration of floors to SCI P354 These topics describe the SCI P354 floor vibration calculations that can be performed in Tekla Structural Designer. The following topics are covered: Introduction to floor vibration (P354) Scope of floor vibration (P354) Limitations and Assumptions of floor vibration to P354 Design philosophy of P354 floor vibration Provided performance P354 floor vibration Input requirements for P354 floor vibration