SD201 - Typical Trench - August 2012
B-55.20.00 - Pipe Zone Bedding & Backfill - Deleted August 2012
ATTENTION: New Updates March 1, 2012
The Standard Specifications and Details have been updated by the Public Works Department. This document supplements and in some cases supersedes the 2012 WSDOT / APWA Standard Specifications for Road, Bridge, and Municipal Construction. The updates are effective March 1, 2012.
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The document is available:
The 2012 Table of Contents highlights the updates to the 2011 Standard Details. Each Standard Detail is coded as follows:
Table of Contents / Deleted Details 2012
Cover / Preface
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