ITCS Memo# 2247 - Ill River Safety Zone - Mile 87.0 to89.5

To: RIAC
From: RIAC Chairman
Date: 4/18/05
Subject: Ill River Safety Zone - Mile 87.0 to89.5 - Revised
ITCS Memo # 2247

To: ALL MARINERS
From: MSO St. Louis
Date: 4/15/05
Subject: ILR REVISED SAFETY ZONE - ILR MM87.0 TO MM 89.5
NAVNOTICE # 557

FROM ILLINOIS RIVER MILE 87.0 TO MILE 89.5, THE COTP ST. LOUIS,
IN CONSULTATION WITH IRCA, RIAC AND THE ACOE, HAS ESTABLISHED A
SAFETY ZONE WITH THE FOLLOWING RESTRICTIONS:

A. ON APRIL 18 BETWEEN 12:00 A.M. AND 4:00 P.M. LOCAL THE ILR WILL BE CLOSED
TO NAVIGATION DUE TO DREDGING OPERATIONS.

B. DURING THE RIVER CLOSURE RECREATIONAL VESSELS MAY TRANSIT THE
AREA. LOCAL FLEETING ACTIVITIES MAY CONTINUE BUT SHALL COORDINATE
WITH THE DREDGE IF TRANSITING THE AREA.

C. ALL MARINERS ARE ADVISED TO USE EXTREME CAUTION WHEN TRANSITING
THE AREA. A RED BUOY MARKS SHOALING REPORTED APPROXIMATELY 100 FEET
BELOW THE LEFT DESCENDING PIER OF THE HIGHWAY BRIDGE AND
APPROXIMATELY 100 FEET CHANNELWARD.

D. THE PILOT CHANNEL HAS BEEN DREDGED TO A MINIMUM OF A NINE FOOT
CHANNEL DEPTH AND HAS BEEN MARKED FOR NAVIGATION.

E. TOWS SHALL NOT MEET OR PASS WITHIN THE SAFETY ZONE.

F. TO CLEAR THE QUE, AFTER 4:00 P.M., SOUTHBOUND TOWS SHALL BE ALLOWED
TO PROCEED BEFORE NORTHBOUND TOWS.

G. AFTER THE QUE HAS CLEARED, NORTHBOUND AND SOUTHBOUND TRAFFIC
SHALL COORDINATE ONE WAY PASSAGE THROUGH THE SAFETY ZONE.

H. ALL SOUTHBOUND AND NORTHBOUND TOWS SHALL NOT EXCEED 15 BARGES
AND ARE ADVISED TO USE EXTREME CAUTION.

I. ALL VESSELS SHOULD PRE-IDENTIFY AREAS FOR LAYING UP WHEN
APPROACHING RIVER CLOSURE.

THIS SAFETY ZONE WILL REMAIN IN EFFECT UNTIL 4:00 P.M. ON APRIL 18, 2005.