Closed

Scarborough Project - Provision of Deep Water Surveys

Tender ID: 523436


Tender Details

Organisation:
Tender #:
835038-SAI-SR-W-02730  
Status:
Closed
Publish Date:
5 April 2023
Closing Date:
19 May 2023

Tender Description

⁠⁠⁠1. Deep Water (KP31.5-KP433.053) Pre-Lay Survey Scope Of Work (Before Pipelay)

Installation corridor: +/-10m corridor High precision survey centered on the theoretical route by MBES&SSS (full coverage) + SBP at the Central line Outer Bends: Various survey areas along pipe route on outside of curves require 100% coverage with MBES&SSS (full coverage) Deliverable: ASCII file DTM, Reports, Charts, GIS and JSON database

2. ROV GVI at Crossing locations (Before Pipelay)

ROV GVI and Pipetracker at 14 crossing locations (TSS440/TSS660 or similar)

3. LBL Array & Gates installation (Before Pipelay)

To achieve specified lay tolerances at 11 target locations SUB-CONTRACTOR is to propose the most effective method of achieving lay tolerance by the means of LBL arrays or Gates.

4. Deepwater (KP31.5-KP433.053)

As-built Survey Scope of Work (After Pipelay) ROV mounted MBES dual head along installed pipeline with a maximum ROV survey speed less than 0.26 m/s (0.5 knots) +GVI where feasible ROV GVI to confirm pipeline condition + Cathodic protection GVI survey. Deliverable: ASCII file DTM, Reports, Charts, GIS and JSON database  


Location

Western Australia   :   Gascoyne   :   Goldfields/Esperance   :   Great Southern   :   Kimberley   :   Mid West   :   Peel   :   Perth Metropolitan   :   Pilbara   :   South West   :   Wheatbelt  

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