Design Memorandum



TO:                  All Design Staff

FROM:            Bijan Khaleghi
DATE:             February 19, 2014
SUBJECT:       STD Plans Noise Barrier Wall Type 14


This memorandum supersedes the design memorandum issued on January 14, 2012 for Type 14 Precast Concrete Noise Barrier Wall on Shaft Foundation. The January 14, 2012 policy memorandum remains effective for all other types of noise barrier walls until further notice.   read more....



If you have any questions regarding this memorandum, please contact David Sawahata at 360-705-6941, Monique Pawelka at 360-705-7754, or Bijan Khaleghi at 360-705-7181.


cc:   Mark Gaines, Bridge Construction 47354

       Craig Boone, Bridge and Structures 47340


View PDF file of Std. Plan Noise Wall Type 14 Details