MAINTENANCE DREDGING AT HMNB PORTSMOUTH 25 MARCH – 6 APRIL 2023

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King's Harbour Master Portsmouth

LNTM No 38/23

1. NOTICE IS HEREBY GIVEN by the King's Harbour Master Portsmouth, that Surveying Operations and Maintenance Dredging will be conducted in the maintained areas within Portsmouth Harbour and its approach channels from 25 March – 6 April 2023.  

2. The contractor for the works will be Boskalis Westminster Ltd, using the Trailing Suction Hopper Dredger (TSHD) “SHOALWAY’’ (LOA 90m) and assisted by the Plough Dredger “OBERVARGH” (LOA 15.3m) with the support vessel "SMIT NEYLAND" (LOA 12.4m) carrying out survey operations. All vessels will be displaying the appropriate IRPCS signals when operational. 

3. Mariners are requested to keep a good lookout and pass at slow speed while dredging operations are being conducted. All dredging and surveying craft will maintain a listening watch on VHF Ch 11 throughout operations. 

4. KHM Harbour Control will be kept informed of work in progress and will de-conflict movements with other marine traffic. They can be contacted on VHF Ch 11 or by telephoning 02392 723689 for the latest information.  

5. Cancel this LNTM on 7 April 2023.

Wednesday 22 Mar 2023

N J RANDALL
King's Harbour Master

Owners, Agents, Charterers, Marinas, Yacht Clubs and Recreational Sailing Organisations should ensure that the contents of this Notice are made known to the masters or persons in charge of their vessels or craft.