MARINERS ARE HEREBY ADVISED that, a temporary buoy carrying scientific equipment will be redeployed in Dale Roads META area from 21st February 2023.
1. MARINERS ARE HEREBY ADVISED that, a temporary buoy carrying scientific equipment will be redeployed in Dale Roads META area from 21st February 2023.
2. The buoy is a modified version of a Hippomarine “25T Through Chain Mooring Buoy” with additional ballast and top platform. Dimensions are 4m diameter, 4.5 m height (plus equipment on top of the platform), and a dry mass of 8.13 tonnes including the 7m initial mooring riser and load shackles.
3. The buoy will be secured at station using a 3-point mooring spread with a single riser. Water depth at the location is approximately 10m Chart Datum with a tidal range of around 8m.
4. Two anchors are deployed facing into the predominant wave direction with an angle of 80° between anchors. The third anchor is sited opposing the seawards facing anchors towards the shore.
5. In addition to the Marine Energy Engineering Centre of Excellence (MEECE) Test Buoy a DWR-G 90 cm Datawell Waverider Buoy with GPS sensor and HF-radio link will also be installed approximately 100 m into the seawards facing direction.
6. Approximate positions of the Buoy and anchors as per Table 1:
|
Table 1 - WGS 84 Deployment co-ordinates |
|
|
MEECE Buoy |
51° 42.679'N 005° 7.419'W |
|
Anchor 1 |
51° 42.656'N 005° 7.480'W (heading from MEECE Buoy: 239°) |
|
Anchor 2 |
51° 42.638'N 005° 7.390'W (heading from MEECE Buoy: 157°) |
|
Anchor 3 |
51° 42.720'N 005° 7.386'W (heading from MEECE Buoy: 027°) |
|
Waverider Buoy |
51° 42.640'N 005° 7.450'W (heading from MEECE Buoy: 206°) |
7. The buoy will remain in position until end of June 2023. A further NtM will be issued when the buoy has been removed.
8. Mariners are advised to navigate with caution in this area.
9. Admiralty charts 3273, 3274 and Imray Y26 & 2600 ATLAS refer.
BY ORDER
MIKE RYAN
HARBOURMASTER
BY ORDER
M RYAN
HARBOURMASTER
Port of Milford Haven
Gorsewood Drive
Hakin
Milford Haven
Pembrokeshire
SA73 3EP
Tel: 01646 696100
Email: enquiries@mhpa.co.uk