PN 15-9 – SCHEDULED LOCK CLOSURE Maintenance, Locks 27 Upper Mississippi River, mile 185.5

  1. Locks 27 will be closed on 21 July 2015, from 07:00 to 11:00, for a complete power outage to replace Main Circuit breakers.
  2. All navigation interests should be alert for, and abide by, any special instructions that may be issued by the Lockmaster during this closure.

FOR THE DISTRICT ENGINEER:
//signed//
Andrew C. Schimpf, P.E.
Rivers Project Manager

PN 15-8A – HIGH WATER LOCK CLOSURE – CANCELLED Jerry Costello Lock and Dam

  1. All navigation interests are advised that Jerry Costello Lock and Dam has reopened for traffic, as of 8:00am on 14 July 2015.
  2. All navigation interests should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.

FOR THE DISTRICT ENGINEER
//signed//
Matt Thurman
Assistant Project Manager
Kaskaskia River Project

PN 15-8 – HIGH WATER LOCK CLOSURE Jerry Costello Lock and Dam

  1. All navigation interests are advised that Jerry Costello Lock and Dam will be closed starting Saturday July 11, 2015 due to high river stages.
  2. This closure is necessary due to the current river stages exceeding EL 380 NGVD. At that elevation, water enters the Miter Gate machinery recesses and prevents movement of the miter gates. The lock will remain closed until
    water recedes below EL 380 NGVD.
  3. All navigation interests should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.

FOR THE DISTRICT ENGINEER
//signed//
Matt Thurman
Assistant Project Manager
Kaskaskia River Project

PN 15-7A – HIGH WATER LOCK CLOSURE – Lock and Dam 25

  1. Lock and Dam 25 is closed until further notice due to high water levels.
  2. Lock and Dam 25 will remain closed until water levels drop below 34.2 on the tailwater gage and any necessary recovery operations or repairs are completed.
  3. All navigation interest should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.

FOR THE DISTRICT ENGINEER:
//signed//
Andrew C. Schimpf, P.E.
Rivers Project Manager