ITCS Memo# 2297 - Cancel safety advisory Upper Miss

To: RIAC
From: RIAC Co-Chairman
Date: 8/22/05
Subject: Cancel safety advisory Upper Miss
ITCS Memo # 2297

MSO ST. LOUIS COTP HAS CANCELLED THE BELOW ADVISORY DUE TO RISING RIVER LEVELS ON THE UMR. THIS ADVISORY WILL BE REINSTATED IF LOW WATER CONDITIONS RETURN.

Cancelled

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.
D. BETWEEN UMR MILE 179.0 AND 0.0 MARINERS SHOULD LIMIT THEIR TOW
SIZE TO A MAXIMUM OF 25 SOUTHBOUND BARGES. NORTHBOUND TOWS SHOULD
LIMIT TOW SIZE TO A MAXIMUM OF 36 BARGES.
E. MARINERS SHOULD BE AWARE OF SHIFTING CHANNELS AS BUOYS ARE
ADJUSTED FOR CHANGING WATER LEVELS AND POTENTIAL SHOALING CONDITIONS
ALONG BUOY LINES.
F. SHOALING HAS BEEN REPORTED AT UMR MILE 125, NEAR STE. GENEVIEVE,
MO. ALL MARINERS SHOULD TRANSIT THE AREA WITH EXTREME CAUTION.
G. HEAVY BARGES SHOULD BE PLACED IN THE MIDDLE OF THE TOW TOWARDS THE
STERN.
H. MARINERS SHOULD USE EXTREME CAUTION WHEN TRANSITING NEAR FLEETING
AREAS AND TO TRANSIT AT THE SLOWEST SAFE NAVIGABLE SPEED TO MINIMIZE
IMPACT.