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Queen's Harbour Master Portsmouth

LNTM No 54/18

IFAC2 CABLE ROUTE SURVEY - EASTERN SOLENT AND ENGLISH CHANNEL

1. NOTICE IS HEREBY GIVEN jointly by the Queen's Harbour Master Portsmouth and ABP Southampton that the IFAC2 Cable Route Survey works will re-commence on the 21 July 2018 using a Remotely Operated Vehicle (ROV) in the eastern Solent and progressing to the English Channel. The works will last up to approximately 60 days (weather dependant). The survey route is shown at Figure 1.

 
                     Figure 1 – Survey Areas

2. The survey works will be 24 hours a day using the 85 meter survey vessel ‘Edda Fonn’ call sign LMER3, and the ROV ‘Innovatum Smartsearch Gradiometer’ (Figure 2).  For the initial 1-2 weeks the vessel will be towing ROV equipment along pre-determined survey lines within a 25m corridor of the main proposed route at a speed of approximately 1.5 knots, with the ROV being towed approximately 1-2m above the seabed.  The second phase of the project is to investigate identified targets, for which the Edda Fonn will remain stationary (Dynamic Positioning) while investigating each object by ROV.

 
Figure 2 – Edda Fonn and Innovatum Smartsearch Gradiometer

3. The Edda Fonn will be restricted in ability to manoeuver while conducting underwater survey operations.  Mariners are reminded of their responsibilities under the COLREGS and are requested to remain at a safe distance when passing.

4. The vessel will maintain a listening watch on VHF Channels 11 (QHM Harbour Control) and 12 (VTS Southampton) throughout.  QHM and VTS can be contacted over VHF or by calling 023 9272 3694 (QHM) or 023 8048 8800 (VTS).

5. Cancel this LNTM on 30 September 2018.

 


S O Hopper
Queen'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.