Emergency response +31 10 454 99 11

The pipeline between Pulau Pemping, Indonesia, and Pulau Sakra, Singapore, is the final link of the transportation system for natural gas from onshore fields on South Sumatra to Singapore. The successful completion of the Engineering, Procurement and Construction contracts for the 27-kilometers 28-inch gas pipeline with a 96-core fibre optic cable in one of the busiest ports and shipping traffic zones of the world marked a milestone for Boskalis. The scope of work comprised not only seabed preparations and protective rock berm installation - Boskalis Offshore core activities - but also pipeline manufacturing and installation.

The following comprehensive scope of work has been completed on a lump sum basis in two countries, with two clients and under three different contracts:

  • Construction of two landfalls: a cofferdam and 200-meters pipe pull at Pulau Sakra and a trench in shallow reef with 700-meters pipe pull at Pulau Pemping.
  • Seabed preparation for pipe lay: trench dredging and seabed levelling.
  • Procurement and installation of 28-inch concrete coated line pipe, grade X-70, and 96-core double armoured fibre optic cable.
  • Design verification of both a rock berm (drop and drag of 22-tonnes anchors in Singapore waters) and its filter layer (impact on cable of falling rock).
  • Procurement of 2,150,000 tonnes of rock armour and filter material and installation over a length of 25 kilometers.
  • Hydro-testing, drying and precommissioning of pipeline system.
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Emergency response

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