Closed
Scarborough Project - Light Construction Vessel (LCV) - Survey and Structures
Tender ID: 513664
Tender Details
Organisation:
Tender #:
WA0058-WP33
Status:
Closed
Publish Date:
2 December 2022
Closing Date:
16 December 2022
Tender Description
Subsea 7’s (on behalf of the Subsea Integration Alliance) scope of work for Scarborough Project involves the project management,
engineering, procurement, fabrication and installation of the following packages of work:
• 6x FLETs, 7x ILTs
• 1x export riser base manifold
• 3x 14” ID Flexible Production Risers (~3km each)
• 3x 14” ID Flexible Export Risers (~3km each)
• 7x 8” ID Flexible Well Jumpers (~100m each)
• 43km 16” NPS carbon steel flowlines
• 1x umbilical riser (~3km)
• 7x static umbilicals (~37km)
• 1x Electrical Umbilical (~1.3km)
• UTAs, UTHs and SDA
• 1x 32” rigid spool
The following activities are required be completed by the LCV and can be considered the “base scope”:
• LBL array deployment
• ROV pipeline route surveys
• 13x Mudmat Installation (refer attachments)
• 7x Sleeper Installation (refer attachments)
The following activities additional are desirable to be performed by the LCV:
• Initiation Pile installation, recovery and relocation
• As-laid survey of flowlines
• Temporary deepwater buoyancy recovery
• Pipeline pre-commissioning
• SSIV Actuator Installation
• LBL Array Recovery
The following criteria are considered minimum for the vessel.
• DP2
• Capable to deploy survey spread in ~1000m water depth
• Single WROV
• 150t AHC crane or greater
• Sufficient free deck space to transport at least 2x mud mats
• Sufficient free deck space to transport at least 2x sleepers
• Working draft no greater than 7m (for port calls to collect structures)
Location
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