TYPE OF WORKS SUBSEA TUNNELS & OFFSHORE STRUCTURES · • Diffuser fabrication and installation •...
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Desalination Plant Intake & Outfall pipeline MARINE Expertise and Innovation SCOPE Number of Line(s) 3 (2 intake lines + 1 outfall line) Micro-Tunnel Length 2 x 540m (intakes) + 360m (outfall) Total HDPE pipe Length 90m (diffuser section) Diameter 2.500mm ID for tunnels, 1600 mm ID for diffusers Max Water Depth 31m Pipe Specifications HDPE SDR 26 (solid wall) for diffuser PROJECT ESCONDIDA WATER SUPPLY CLIENT BHP BILLITON SITE ANTOFAGASTA / CHILE PROJECT DESCRIPTION DESALINATION PLANT YEAR 2014 - 2016 CONTRACT TYPE EPCI TYPE OF WORKS SUBSEA TUNNELS & OFFSHORE STRUCTURES 914-SPE-0070-Rev1
Transcript of TYPE OF WORKS SUBSEA TUNNELS & OFFSHORE STRUCTURES · • Diffuser fabrication and installation •...
Desalination PlantIntake & Outfall pipeline
MARINEExpertise and Innovation
SCOPE
Number of Line(s) 3 (2 intake lines + 1 outfall line)
Micro-Tunnel Length 2 x 540m (intakes) + 360m (outfall)
Total HDPE pipe Length 90m (diffuser section)
Diameter 2.500mm ID for tunnels, 1600 mm ID for diffusers
Max Water Depth 31m
Pipe Specifications HDPE SDR 26 (solid wall) for diffuser
PROJECT ESCONDIDA WATER SUPPLY
CLIENT BHP BILLITON
SITE ANTOFAGASTA / CHILE
PROJECT DESCRIPTION DESALINATION PLANT
YEAR 2014 - 2016
CONTRACT TYPE EPCI
TYPE OF WORKS SUBSEA TUNNELS & OFFSHORE STRUCTURES
914-SPE-0070-Rev1
GEOCEAN SAS
Quartier du Brégadan - ZA Technoparc - CS 60001 - 13711 Cassis Cedex - France
Tel: +33 (0) 442 18 02 18 - Fax: +33 (0) 442 18 02 20 - [email protected]
www.geocean.com
PROJECT STEPS DETAILS
AWARD DATE • 2014
SURVEYS • Bathymetric and Geophysical Survey,
ENGINEERING• On shore and offshore detailed engineering
• Installation engineering
PROCUREMENT/
FABRICATION
• HDPE pipelines (diffuser)
• Duck Bill Valves and accessories
• Prefabricate Intake Towers
• Concrete Pipe Jacks
• Tunnel Boring Machines
CONSTRUCTION &INSTALLATION
• Intake and Outfall shafts, Pumping station : blasting, excavation,shotcrete, concrete foundations
• Drilling of offshore reception pits for MTBM (Tunnel BoringMachine)
• Micro-tunnel construction
• Diffuser fabrication and installation
• Intake heads fabrication and installation including subsea risers
• x Subsea concrete injection in offshore pits
COMPLETION DATE • November 2016 (expected date)
MARINE SPREAD & SPECIFIC EQUIPMENTS
Jack-up Barge, Multicat vessels, cargo barge, AHT, Survey boat, crew boat, MTBM (Tunnel BoringMachine) including facilities
Desalination PlantIntake & Outfall pipeline
