*Diving Operations - Delaware River - Marcus Hook*

ALL MARINERS PLEASE BE ADVISED THAT CSU DIVING WILL BE CONDUCTING DIVING OPERATIONS ON AN UNDERWATER PIPELINE CROSSING IN APPROXIMATE GPS POSITION 39° 47` 56.1"N, 75° 25` 07.5"W IN THE VICINITY OF MARCUS HOOK ANCHORAGE BUOY A. THE DIVE VESSEL MARY BETH WILL BE CONDUCTING AN UNDER WATER PIPELINE INSPECTION OF THE ENTIRE PIPELINE CROSSING TO INCLUDE MARCUS HOOK ANCHORAGE AND MARCUS HOOK RANGE. THE DIVING OPERATIONS WILL BE CONDUCTED FROM SUNRISE TO SUNSET BEGINNNG ON APRIL 30, 2024 AND CONTINUING THROUGH MAY 4, 2024. MARINERS ARE REQUIRED TO CONTACT THE DIVE VESSEL MARY BETH 30 MINUTES PRIOR TO TRANSITING THE AREA TO MAKE PASSING ARRANGMENTS. THE DIVE VESSEL MARY BETH CAN BE CONTACTED VIA VHF RADIO CHANNELS 13 AND 16 OR VIA PHONE AT 509-944-1171. MARINERS ARE URGED TO TRANSIT THE AREA WITH EXTREME CAUTION.

The attached chartlet details the underwater pipeline crossing being inspected.