ITCS Memo# 2255 - ILLINOIS RIVER MILE 87.0 TO MILE 89.5

To: RIAC
From: IRCA Chairman
Date: 4/29/05
Subject: ILLINOIS RIVER MILE 87.0 TO MILE 89.5
ITCS Memo # 2255

THIS BROADCAST IS EFFECTIVE AS OF 1:45 P.M. CST ON 29 APRIL 2005.

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. ALL MARINERS ARE ADVISED TO USE EXTREME CAUTION WHEN TRANSITING
THE AREA AND SHALL COORDINATE TRANSIT WITH THE ON-SCENE DREDGE.

B. A RED BUOY MARKS SHOALING REPORTED APPROXIMATELY 100 FEET BELOW
THE LEFT DESCENDING PIER OF THE HIGHWAY BRIDGE AND
APPROXIMATELY 100 FEET CHANNELWARD.

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

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

E. FROM MILE 87.0 TO MILE 87.3 RAPID SURVEY SHOWS AREAS WITH EIGHT
FOOT CHANNEL DEPTH ALONG RIGHT DESCENDING BANK. TOWS SHOULD FAVOR
LEFT DESCENDING BANK IN THIS AREA.