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    25/002 - Provision of Onshore and or Nearshore Inspection Services

    Gas Networks Ireland

    25/002 - Provision of Onshore and or Nearshore Inspection Services

    1. Contract start date

      May 30, 12:00 AMMay 30, 2025 12:00 AM

    2. Competition notice published

      May 30, 6:53 AMMay 30, 2025 6:53 AM

    3. Tender submission deadline

      May 30, 8:53 AMMay 30, 2025 8:53 AM

    4. Contract end date

      May 29, 12:00 AMMay 29, 2035 12:00 AM

    Brief

    Tender search/Gas Networks Ireland/25/002 - Provision of Onshore and or Nearshore Inspection Services
    Brief

    Rørinspeksjon og VA-vedlikehold

    The Contracting Entity is seeking applications from suitably experienced inspection companies to carry out offshore, nearshore and onshore inspection surveys of two submarine gas transmission pipelines each approximately 200km long, Scotland to Ireland from shore to shore, and one spur and one umbilical approximately 11km long to the Isle of Man. The network cathodic protection is provided by means of sacrificial aluminium alloy half shell bracelet anodes. The network entire lengths are either trenched, or rockdumped in lieu of trenching. The seabed is varied and includes sandwaves towards the Scottish end. The maximum water depth is approximately 140 metres. The inspection scope requires vessels equipped for visual inspection, acoustic examination, cathodic protection monitoring and the assessment of the disposition of the pipeline relative to the seabed. There is also a requirement for a capability for conducting intervention tasks involving the removal of seabed debris and/or freespan rectification and maintenance capability for a subsea tee in approximately 30 metres water depth. There is a further requirement for a capability to mobilise an offshore diving spread to conduct subsea intervention tasks using divers. There will also be a requirement to mobilise at short notice for unplanned debris surveys of the pipelines as required.

    About the bid

      The Contracting Entity is seeking applications from suitably experienced inspection companies to carry out offshore, nearshore and onshore inspection surveys of two submarine gas transmission pipelines each approximately 200km long, Scotland to Ireland from shore to shore, and one spur and one umbilical approximately 11km long to the Isle of Man. The network cathodic protection is provided by means of sacrificial aluminium alloy half shell bracelet anodes. The network entire lengths are either trenched, or rockdumped in lieu of trenching. The seabed is varied and includes sandwaves towards the Scottish end. The maximum water depth is approximately 140 metres. The inspection scope requires vessels equipped for visual inspection, acoustic examination, cathodic protection monitoring and the assessment of the disposition of the pipeline relative to the seabed. There is also a requirement for a capability for conducting intervention tasks involving the removal of seabed debris and/or freespan rectification and maintenance capability for a subsea tee in approximately 30 metres water depth. There is a further requirement for a capability to mobilise an offshore diving spread to conduct subsea intervention tasks using divers. There will also be a requirement to mobilise at short notice for unplanned debris surveys of the pipelines as required.

      Contact phone
      +353 0000003530000000
      Contact email
      Tenders@gasnetworks.ie
      Address
      Gasworks Road, T12RX96 Cork

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    Award Criteria

    • Description

      MEAT (Price & Quality)

    • Description

      MEAT (Price & Quality)

    Qualification requirements

      Found no qualification requirements in the contract notice.

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    See the full notice

    Contracting authority
    Gas Networks Ireland
    Title
    25/002 - Provision of Onshore and or Nearshore Inspection Services
    Type
    Competition
    Main code
    76600000Pipeline-inspection services
    Supplemental codes
    44161410Subsea pipelines71000000Architectural, construction, engineering and inspection services71351923Bathymetric surveys services71353100Hydrographic surveying services71631000Technical inspection services71631420Maritime safety inspection services76500000Onshore and offshore services76520000Offshore services98363000Diving services
    Location
    Dublin

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