Design Memorandum



TO:                  All Design Staff

FROM:            Bijan Khaleghi
DATE:             January 17, 2013
SUBJECT:       Lateral Confinement for Oversized Shafts for SDCs C and D


This design memorandum addresses the revised WSDOT requirement for minimum lateral confinement for single column-shafts foundation type for SDCs C and D. Other requirements of AASHTO SGS 8.8.12 and BDM 7.8.2-K remain applicable.   read more....



If you have any questions regarding these issues, please contact Bijan Khaleghi at 360-705-7181.


cc:   Mark Gaines, Bridge Construction - 47354

       F. Posner, Bridge and Structures 47340