Liverpool Bay Terminal (GBLIB)

The Liverpool Bay Terminal comprises 5 oil and gas fields, plus the offshore and onshore facilities which have been put in place to tap these reserves. The development has a projected life of at least 20 years and is expected to peak at 80,000bbls/day. As of 2023, the gas fields within Liverpool Bay are approaching the end of their productive lives. The fields have an estimated carbon dioxide storage capacity of over 170 million tonnes and as a result Eni was awarded a licence for the appraisal and storage of CO2. Eni have planned the reutilisation of three of the Liverpool Bay depleted gas fields as CO2 reservoirs for injection and storage (Hamilton, Hamilton North and Lennox Gas Fields). It will use a combination of hydrogen energy and CCS (carbon capture and storage) to reduce the UK's greenhouse gas emission by 2050 and starting in the mid-2020s. There are 6 fixed installations. Two installations in the Hamilton (connected Hamilton East subsea gas well is no longer in production) and Hamilton North fields produce gas, while the Lennox installation produces both oil and gas, and the Douglas installation produces oil. The Douglas central processing complex and the oil storage installation (OSI), which is a SPM system mounted on the stern of a storage barge, are the only manned installations in the development. From 2021, Eni UK limited became the Production Licence Operator of the Conwy Development, located 33km N off the coast of Wales and connected to the Douglas Complex via a 12km, 8in diameter subsea pipeline. Gas from the Hamilton and Hamilton North fields is also fed to the Douglas complex for sweetening before being transferred via a 34km pipeline to the gas processing terminal and administration complex at Point of Ayr (POA) in N Wales. Oil from the Lennox and Douglas fields is processed on the Douglas complex. Hydrogen sulphide and mercaptan in the unstabilised crude are reduced to levels which are acceptable for handling. The stabilised crude is then transferred to FSO 'OSI' some 10nm to the N, prior to its eventual export. FSO 'OSI' has a LOA of 207m, beam of 44.5m, a helipad and consists of three deck levels. There are 10 oil compartments (as well as two slop tanks) surrounded by 4.8 metre wide seawater ballast tanks.

North Atlantic Winter Seasonal Zone II, Winter Nov 1 to Mar 31, Summer Apr 1 to Oct 31.

Liverpool Bay Terminal oil field is located in the Irish Sea, equidistant from the coasts of N Wales and W of England.

Offshore: LOA 300m, BCM 158m, draught 12.5m and 150,000DWT.

Offtake tankers visiting the terminal shall not anchor or manoeuvre in or near to the exclusion zone, which currently extends to a 800m radius, centred on the OSI. Masters visiting offtake tankers may at their discretion, use the following recommended anchorages. ..... 1. Anchorage "A" within a 0.5nm radius of 53°40.00'N 003°27'W 2. Anchorage "B" within a 0.5nm radius of 53°42.75'N 003°20'W.

BA 1981. Admiralty Pilot NP37, NP286(1).

A Maritime Rescue Sub Centre is situated at Liverpool. Llandudno Lifeboat Station (53°24.0'N 003°10.0'W). There are two actives lifeboats at Llandudno lifeboat station including the Shannon class lifeboat (an all-weather life boat propelled by waterjets instead of propellers). This lifeboat has an LOA 13.6m, beam 4.5m, draught 1m and a max speed 25kn. The other is a D class inshore lifeboat with an LOA 5m, beam 3m, draught 0.52m and a max speed 25kn. RNLI Llandudno contact information: Telephone: +44-1492-868-502 E-mail: llandudnolvo@gmail.com

The weather conditions prior to and during mooring operation, will be closely monitored and the OIM or his representative may, if the limiting criteria for mooring/unmooring is approached, decide to suspend mooring operations. In the event of deteriorating weather conditions during a mooring operation, the Mooring Master may abort the operation if he feels the safety of the terminal may be compromised. A tanker which is moored to the OSI, whether loading or not, may be unmoored due to deteriorating conditions at any time. It is at the Mooring Master's discretion, in consultation with the OIM, to suspend operations at any time. Mooring normally takes place during the hours of daylight, but may, at the terminals discretion take place at other times. The max criteria for tankers mooring are: ..... 1. Wave height: 3.5m 2. Wind speed: less than 25kts 3. Time: within + or - 1 hour of slack water, or 4. During a change of tide or current direction The max criteria for unmooring are: ..... 1. Wave height: 3.75m 2. Wind speed: 30kts Tension limits: Offtake tankers should be unmoored if there are three occurrences of a peak mooring hawser tension greater than 150t force within 1 hour, or a single occurrence of a peak mooring hawser tension greater than 200t force.

Pilotage is compulsory and any such services provided by the terminal shall be strictly subject to terminal regulations and conditions. The Terminal Mooring Master and his assistant will board the offtake tanker approx 2nm NE of the OSI, on most occasions via a Liverpool harbour tug, and the Master is reminded of the IMO rules for pilot ladders and the provision for safe access to and from the tanker, including the need for a good lee. In addition, the offtake tanker must have its portside derrick/crane rigged and be ready in all respect to take onboard the mooring equipment basket.

Radio DF station (53°20.0'N 003°21.0'W) on Great Ormes Head. Racon, at Bar Light Float (53°32.0'N 003°21.0'W).

Hazards to Navigation: Offtake tankers visiting the terminal should not manoeuvre within any of the exclusion zones, or their associated structures. Numerous sub sea pipelines and equipment exist in close proximity to the installations listed below: ..... Douglas Platform 53°32.2'N 003°34.3'W Lennox Platform 53°37.6'N 003°10.3'W Hamilton Platform 53°34.0'N 003°27.1'W Hamilton North Platform 53°38.5'N 003°28.4'W Conwy Platform 53°37.3'N 003°40.2'W

The tide in the Liverpool Bay area is semi diurnal, providing 2 high tides and 2 low tides per 24 hour period. The lowest astronomical tide recorded being -0.1m and the highest astronomical tide recorded being +10.4m, giving water depths at the terminal of between 30.8m and 42.2m. Reductions and water depth calculations should be made with reference to the Admiralty Tide Tables for the port of Liverpool.

A multi purpose vessel will be available to assist with berthing and hose connections. The tug/support craft will make fast aft on the offtake tankers final approach to the OSI. After cargo hose operations are completed it will remain attached to a tow line from the offtake tankers centre lead aft throughout the offtake operation.

Winds are predominantly in the SW to NW quadrants but may be variable onshore and offshore in the summer months. During winter months, severe storms and squalls may be experienced, giving wind speeds in excess of 40kts.

LIVERPOOL BAY OIL STORAGE INSTALLATION 53°40.96'N 3°32.75'W UNCTAD LOCODE: GB LIV ________________________________________________________________________________ ___________

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VHF: Calling VHF Ch 15, Working: Advised by the Terminal. Terminal Offshore Installation Manager (OSI OIM) Tel: +44 1492 511451.

Immigration: Should any crew changes occur (due to medical emergency) HM Immigration should be advised and an Immigration Officer will ensure the completion of the necessary documentation with the doctor, or at the hospital or airport.

An offtake tanker intending to use the terminal, should advise ENI and the Terminal OIM, of their ETA and ship's particulars, initially 72 hours prior to arrival and then 48 and 24 hours respectively, by telex or fax using the standard format message listed as follows: ..... 1. Ships name and previous name (if applicable) 2. Offtake tanker's international callsign 3. Inmarsat 4. Arrival draught 5. Max displacement 6. Distance from bow to manifold (BCM) 7. Last port 8. Last cargo 9. Master's full name 10. Tanker's ETA at terminal anchorage local time 11. Cargo quantity

Vessels must be fitted with vapour return facilities. Accepted offtake tankers to the terminal should be within the range of 60,000DWT to 150,000DWT and having a max displacement tonnage of 175,000t. Visiting tankers should be aware of the OCIMF publications "Recommendations for Equipment Employed in the Mooring of Ships at Single Point Moorings", and should be fitted with the appropriate equipment in accordance with these recommendations - including a manifold derrick or crane with a 15t SWL. The windlass, winches or capstans used to handle moorings, should also be capable of lifting at least 15t. The bow windlass or winch which will be used for mooring, shall be capable of picking up the mooring hawser and chafe chain, which will normally have a combined weight of no more than 3.2t. When assessing the capabilities of the windlass, or winch, allowance should be made for the loss of efficiency due to friction caused by the possible change of directional lead of the 'pick up' line on the offtake tanker's focsle between the bow Panama fairlead and the windlass or winch. The drum must have a good hauling lead from the Panama fairlead to the chain stopper, in order to retrieve smoothly the chafe chain and mooring hawser. On the offtake tanker's arrival at the terminal, the windlass, or winch, must have one drum empty, and be capable of accepting: ..... 1 x 100m x 32mm pick up messenger 1 x 100m x 72mm pick up rope Under no circumstances shall an open drum end be used to moor the tanker. Offtake tankers visiting the terminal will be required to provide suitable meals and accommodation for all, or any of the following personnel during their stay: ..... 1. Mooring Master 2. Mooring Master's Assistant 3. Cargo Surveyor. The Master of an offtake tanker arriving at the terminal should bear in mind, that berthing may be delayed or refused, if the tanker's trim is excessive, or the draught is too light, or the propeller is not fully immersed. Arrival trim must not exceed 3m.

The offtaker tanker upon arrival at the terminal, may tender its NOR when the tanker is ready in all respects to load cargo in accordance with the terminal regulations and conditions. The terminal representative will only accept an offtake tanker's NOR when he is satisfied that the tanker is ready, in all respects, for loading at the terminal. This acceptance time will normally be hose connection time.