ITCS Memo# 2319 - Cancellation of Advisory for Low Water UMR St Louis to Cairo

To: RIAC
From: RIAC Chairman
Date: 11/28/05
Subject: Cancellation of Advisory for Low Water UMR St Louis to Cairo
ITCS Memo # 2319

To: ALL MARINERS
From: MSO St. Louis
Date: 11/28/05
Subject: CANCELLATION OF BNM ADVISORY FOR LOW WATER ON UMR
NAVNOTICE # 637

THE FOLLOWING ADVISORY HAS BEEN CANCELLED DUE TO RISING WATER LEVELS ON THE UMR.

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DUE TO ANTICIPATED LOW WATER CONDITIONS ON THE UMR, THE U.S. COAST GUARD IN CONJUNCTION WITH RIAC AND THE ARMY CORPS OF ENGINEERS HAS ISSUED THE FOLLOWING SAFETY ADVISORY:

A. ST. LOUIS GAUGE READINGS ARE EXPECTED TO REMAIN IN THE NEGATIVE RANGE ON THE UMR.

B. ALL MARINERS ARE ADVISED TO USE EXTRA CAUTION FOR PREVAILING CONDITIONS AND REMAIN COGNIZANT OF TOW DRAFTS AS LOW WATER CONDITIONS DEVELOP.

C. HEAVY DRAFT VESSELS ARE ADVISED TO MOVE OFF THE UMR AS SOON AS PRACTICAL DUE TO EXPECTED LOW WATER CONDITIONS AND SHOULD ANTICIPATE DRAFT RESTRICTIONS OF LESS THAN 9 FEET IN THE NEXT 10 DAYS IF RIVER LEVELS CONTINUE TO FALL.

D. BETWEEN UMR MILE 179.0 AND 0.0 MARINERS SHOULD LIMIT THEIR TOW SIZE TO A MAXIMUM OF 25 SOUTHBOUND BARGES WITH A MAXIMUM OF 5 WIDE AND 30 NORTHBOUND BARGES WITH A MAXIMUM OF 6 WIDE.

E. MARINERS SHOULD BE AWARE OF SHIFTING CHANNELS AS BUOYS ARE ADJUSTED FOR CHANGING WATER LEVELS AND POTENTIAL SHOALING CONDITIONS ALONG BUOY LINES.

F. HEAVY BARGES SHOULD BE PLACED IN THE MIDDLE OF THE TOW TOWARDS THE STERN.

G. MARINERS SHOULD USE EXTREME CAUTION WHEN TRANSITING NEAR FLEETING AREAS AND TO TRANSIT AT THE SLOWEST SAFE NAVIGABLE SPEED TO MINIMIZE IMPACT.

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