- Limits the time between installation of bolts and final tensioning to 10 days and revises the tolerances for turn-of-the-nut tightening to be in line with national bolt specifications. Required on all projects with Item 447 beginning with the January 2006 letting.
Replaces SP447-001 . (Change Memo: de-42-05). Statewide Use.
- Provides for faying surface preparation to be performed immediately prior to assembling a bolted connection. Required on all projects with Item 447 beginning with the January 2005 letting.
Replaced by SP447-002 . (Change Memo: de-61-04). Statewide Use.