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PART 4:   Petroleum Ports General Information Zirku Island

4.3 Zirku Island

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4.3 Zirku Island

    4.3.01 Location

    ZIRKU Island is located in the Arabian Gulf at approximately 24° 52’N and 053° 04.1’ E at about 75 nautical miles WNW from Abu Dhabi, United Arab Emirates.
    The island is approximately 5 km. long and 2.5 km. wide.
    A zone of very rugged hills with ridges is located in the centre and NNW with an elevated point of 163 metres and a low flat sandy and dusty zone in the SSE.

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    4.3.02 VHF Radio

    ZIRKU Island is controlled by Das Port Control room.

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    4.3.03 Cautions

    The Umm Shaif oil field is approximately 12 miles to the NNE of ZIRKU Island.

    The Zakum oil field is approximately 14 miles to the East of ZIRKU Island.

    The fields, together with their associated oil and gas pipelines to ZIRKU/DAS Island, are marked upon hydrographic charts pertaining to the area.

    It is essential that vessels / boat approaching ZIRKU Island do not enter the oil field areas or anchor in the vicinity of submarine pipelines.

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    4.3.04 Service Harbour

    ZIRKU Island Service Harbour is situated at the east of ZIRKU Island.
    The main jetty located on the east coast of the Island is approximately 1,250 m long. The jetty has a water depth of between 2 m and 4.5 m and is fitted with 15 bollards of 30 to 40 tons bollard pull.
    The quay available for berthing is 160 m long (525’) oriented NW / SE has the main jetty breakwater, usage of which is governed by the Port Authority / ZADCO.
    The jetty is also equipped with a Ro-Ro facility for small Vessels.

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    4.3.05 General Cargo Operations

    Cargo Handling

    Contractors have to supply the Island with their own mobile equipment to discharge vessels and barges, if not previously arranged with Company.
    As soon as the cargo handling is completed, users should remove their mobile equipment to keep the jetty area clear.

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    4.3.06 Location of Cranes

    Mobile crane available upon request.

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    4.3.07 Bunkers

    Not available.

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    4.3.08 Water Provisions and Supplies

    Not available.

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    4.3.09 Boat

    Boat entering the boat harbour are not required to hire pilotage services, but may do so by prior application to the Port Authority. Movements of all Boat into, within or out of the boat harbour is at the discretion of the Port Authority. Allocation of berths is the sole responsibility of ZIRKU Marine.

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    4.3.10 Boat and Barges

    This anchorage lies approximately 1 mile to the south, south east of the main jetty (east of island) in an area encompassed by a line joining the following positions:

    a) Lat. 24° 50.0’  N Long 053° 05.4’ E
    b) Lat. 24° 51.3’  N Long 053° 05.4’ E
    c) Lat. 24° 51.3’  N Long 053° 07.0’  E
    d) Lat. 24° 50.0’  N Long 053° 07.0’  E

    An anchorage buoy (Yellow Pillar Fl.5 sec.) marking the NE corner of this area has been installed in position:

    Lat. 24° 51.3’  N                        Long       053° 06.9’ E

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    4.3.11 Prohibited Anchorage Areas / Cautions

    To avoid the underwater oil pipelines damage, prohibited anchorage areas are defined as follows:
    0.5 nautical miles on each side of the M.O.L. (Main Oil Line) input line.
    0.5 nautical mile on each side of the loading lines.
    0.5 nautical mile on each side of gas line from ZIRKU Island to DAS Island.
    M.O.L. input line from Zakum field reaches the island in the middle of the east coast.
    To keep safe navigation for ships and barges approaching the main jetty, a prohibited anchorage area has been established in a 0.5 nautical mile semi-circle from the jetty and to seaward.
    Anchorage within the port limits and outside the waiting anchorage areas is prohibited. Exceptions to this may be given by the Harbour Master.

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    4.3.12 Restricted Areas

    Restricted areas have been established at ZIRKU Petroleum Port. Vessels / Boat is only allowed to enter these areas for duly authorised operational purposes. These areas are as follows:

    Restricted Area No. 1

    A circular area of radius one nautical mile centred on each of SPM “A” and “B” in position:

    SPM “A”      Lat.       25° 00.5’  N                       Long       052° 59.0’ E

    SPM “B”      Lat.       25° 01.6’  N                       Long       052° 59.6’ E

    Restricted Area No. 2

    A circular area of radius one nautical mile centred on the repeater platform in position:

                          Lat       25° 01.7’  N                        Long       052° 55.7’ E

    Restricted Area No. 3

    A circular area of radius 0.5 nautical mile centred on the ZIRKU flare platform (ZFP) in position:

                          Lat       24° 51’32.69”  N                 Long       053° 02’34.4” E

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    4.3.13 Fire or Explosion

    1. Masters of Vessels berthed at terminals are hereby advised that, in the event of a fire or explosion onboard of the vessel or on the berth, they should order an emergency stoppage of loading / discharging operations.

    2. Upon the stoppage of the flow of oil through the manifold it is essential that the ship / shore loading hoses are disconnected and in an emergency a shore gang may be unobtainable so that the hoses should be disconnected by ship’s personnel.

    3. The port tugs have emergency standing orders and will proceed at once to the assistance of any terminal or vessel on fire. The tugs will hook up to the vessel’s fire wires ready to pull the vessel clear off the berth.

    If circumstances permit, the vessel’s moorings should be singled up in readiness. Should letting go from the terminal become inaccessible, the vessel should prepare to cut or slip mooring ropes and wires.

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    4.3.14 Wind and Tide

    Prevailing winds are from the North West. Rise of tide can be up to 2 metres but the usual variation is 1 metre. The highest average, spring high tide is about 1.4 metres above chart datum.

    The lowest average, neap high tide is 1.0 metre above chart datum.

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    4.3.15 Currents

    At ZIRKU Island tidal currents are semi diurnal.Roughly the flood runs from west to east and the ebb runs from east to west.

    Eddies are created at the vicinity of any obstacle (breakwater, jetties, etc.) especially close to the south sandy island. Currents can reach a speed of 2 knots.

    These predictions may be found to be considerably altered by strong winds, especially the shamal.

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    4.3.16 Marine Operation Weather Parameters

    Weather Criteria for ZIRKU
    Berth Suspend Berthing Stop Loading Disconnect Hoses Unberth
    SPM “A” 25 Kts 35 Kts 40 Kts As Req’d by PPA
    SPM “B” 25 Kts 35 Kts 40 Kts As Req’d by PPA

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