This collection of the 2015 IBC SEAOC Structural/Seismic Design Manual contains the following four volumes, please note that the 2012 edition of Volume 4 is still applicable and relevant to the 2015 IBC. Members/Customers who already own the 2012 IBC SSDMs should proceed to purchase volumes 1-3 only. Please click here. 2015 Structural/Seismic Design Manuals – Volumes 1-3