AMENDMENT TO NAVIGATION NOTICE 11799, 20-13
UPSTREAM FLOATING GUIDEWALL RESTRICTIONS

 

Notice Number: 12024 / 11799-1
Effective:
04/14/2020 06:55 thru 03/26/2021 18:00 PST

 

Until further notice, vessels transiting the Lower Monumental and Little Goose navigation locks must use caution when operating near those project’s upstream floating guidewalls.

 

At Lower Monumental, vessels may not tie up to the floating guidewall. Additionally, vessels may not rub against the floating guidewall when approaching or leaving the lock, nor should they use the guidewall as a pivot point for entering the lock.

 

At Little Goose, vessels may not tie up to the floating guidewall. Additionally, vessels may not rub against the floating guidewall when approaching or leaving the lock, nor may they use the guidewall as a pivot for entering the lock.

 

PROJECTS AFFECTED:

 

  • Lower Monumental Lock and Dam - Snake River Mile 41.6
  • Little Goose Lock and Dam – Snake River Mile 70.3

 

These restrictions will remain in place until more substantial repairs can be made to the locks’ floating guidewall cables.

 

For additional information on this work contact the NWW Operations Division at (509) 527-7364.

 

//signed//

 

Kenny Koebberling
Navigation Business Line Manager
Walla Walla District, USACE