advantages and experiences of the use of long length pe ... · control on ready made pipe •same...
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Pipelife Norge AS - Stathelle
Advantages and Experiences of the Use of
Long Length PE Pipes for Marine Pipeline Construction &
Installation Techniques for Flexible PE Pipes by
Trygve Blomster Export Manager
Pipelife Norge AS
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Who is Pipelife
• One of the world’s leading producers of plastic pipes
& fittings
• Wide range of products and materials for
all major pipe & fitting markets
• Headquarters in Vienna, Austria
• A fully owned subsidiary of Wienerberger AG,
Austria
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Facts and Figures about Pipelife • Locations
worldwide
Region West & Nordic
Region Central Eastern Europe
(CEE) Region US
Sales Office Plant
Headquarters
Sales Offices 2011: 27 Countries
Production Sites 2011: 27
Employees 2011 (average) : 2.651
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Pipelife in Norway
Surnadal
Stathelle
Head office:
Surnadal
Production sites:
Surnadal
Stathelle
Marketing departments:
Surnadal
Stathelle
Oslo
Trondheim
Order / sales office:
Surnadal
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Continuously Extruded Long Length PE Pipes
From Pipelife Norge AS, Stathelle, Norway
Protected location in a
narrow fjord
Continuous extrusion
into the fjord
Transport by tugboat to
the marine destination
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Part of Scandinavian PE Pipe History
PE pipe production started in 1960 Due to lack of proper welding methods at that time, the pipes had to be made as long as possible. From there the long length pipe concept has been developed
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PE Pipe Range from OD 20 mm up to OD 2500 mm
Pipelife can offer:
-PE pressure pipes in the
range from OD 20 mm
to OD 2500 mm in SDR
classes from 41 to 7.4
(SDR21 for the largest ones)
- Continuously extruded
PE pipes in lengths up
to 550 - 600 m
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PE Pipe Range from OD 20 mm up to OD 2500 mm
The range of products include
all accessories needed for a
complete pipe system:
-PE segment welded bends
-PE welded T-branches
-PE reducers
-PE stub ends
-Steel loose backing rings
-Diffusers
-Manholes
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Important Characteristics of PE Pipes
-Light in weight, density 0,95 - 0,96 kg / dm3
-Buoyancy in sea water
-Flexible, accept bending radius down to 20 x OD
-Non-corrosive
-Non-toxic, potable water approved
-High abrasion resistance
-High chemical resistance
-High strength
-High resilience to shocks
-High fatigue strength
-Permanent low head loss
-Weldable, by butt fusion
-Almost unlimited lifetime underwater
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Quality Control on PE Pipes
Pipelife Norge AS is certified according to ISO9001 and ISO14001
Main standards used: ISO 4427:E and EN12201
Typical Quality Control Plan ISO 9001 Certificate
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Quality Control on PE Pipes
Control of the raw material
Density
ISO1183
Melt Flow Rate (MFR)
ISO1183
Oxidation Induction Time (OIT)
EN728
The results of the tests are shown on the resin suppliers material certificates.
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Quality Control on PE Pipes
Control on Ready Made Pipe
•Same raw material control is also made on the ready made pipe,
i.e. (Density, MFR and OIT)
•The use of an inert gas, (nitrogen) in the pipe manufacturing
ensures the quality of the material performance (anti oxidants)
in the finished pipe is high and more stabile.
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Quality Control on PE Pipes
Control on Ready Made Pipe
Appearance and dimensions:
•Appearance ISO4427:E / EN12201
•Diameter ISO4427:E / EN12201
•Ovality ISO4427:E / EN12201
Measuring of the pipe diameter
Gravimetric control
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Quality Control on PE Pipes
Hydrostatic Test
Hydrostatic strength ISO4427:E / EN12201
PE80: +80ºC / 4,5 MPa / 165 h and +80ºC / 4,0 MPa / 1000 h
PE100: +80ºC / 5,4 MPa / 165 h and +80ºC / 5,0 MPa / 1000 h
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Quality Control on PE Pipes
Tensile strength test on weld
ISO 13953 - 2001
Machining of test sample Tensile strength test Conditioning: test piece in air for a min. 6 h at 23C + 2C , testing not be carried out less than 24h after the
butt fusion og the joint.
Procedure: Record the maximum force applied and the type of failure as ductile or brittle, as characterized by
the ductile and brittle failure modes. Only failures at the butt-fusion joint shall be taken into account
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Quality Control on PE Pipes
Certification Requirements on Welding Machines and Welders
Own experienced, certified welding specialists, (here welding a ø2100 mm pipe with 70 mm wall, a brine outfall for a desalination plant, 2012)
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Tow Preparation
Traditional Tow Preparation with End Plugs and Towing Clamps
Welding of end plug on 1600 mm pipe,
(Tay Region, Scotland, 1999) Pipes ready with towing clamps, hawsers
and front cones, (Fylde, the U.K. 1995)
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Tow Preparation
Tow with Flange Connections Ready Assembled at the Factory
Welding of stubend on 2100 mm pipe,
Assembly of blind flange and protective
tyre on 1600 mm pipe,
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Tow Preparation
The design of the towing gears is controlled by internationally recognized certifying bodies
Departure of 1400 mm pipe tow, 10 pipes
á 480 m, (Cartagena, Spain, 2005)
Departure of 1200 mm pipe tow,
(Cork, Ireland, 2001)
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Towing in the Open Ocean
Pipelife Norge AS long length deliveries include
towing transport and transport insurance
Towing of 1400 mm pipes,
(Reykjavik, Iceland, 2001)
Towing of 1000 mm pipes,
(Split, Croatia, 2001)
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Inspection and Control at Arrival
The delivery is always jointly inspected by representatives from
the Contractor, Project Consultant and Pipelife
2000 mm pipes in storage, (Aveiro, Portugal, 2008)
Mooring and inspection of 1200 mm
pipes, (Sibenik, Croatia, 2002)
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Advantages with Supply of PE Pipes in Long Lengths
Which are the main advantages with the long length pipe concept?
•No or very little welding work
•Low transport costs
•Substantial time and cost savings for the contractor, as normally no land based work site and storage area is required
•Less risk for damages during handling, transport and storage
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Methodology
•Surface preparation with concrete weights
•Surface assembly of long sections
•Surface positioning along lay route
•Installation in a continuous operation
•Surface to seabed transfer utilizing the PE pipe’s flexible
properties
•Submersion by water filling / air evacuation
•The operation can be reversed if required
•Fast, practical sinking speed 500-1000m/hour
•No sophisticated equipment required
Installation of flexible PE Pipes in Long Lengths
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Installation of flexible PE Pipes in Long Lengths
EQ U ILIBRIU M LEVEL
S EABED
D IS PLAC EM EN T
BU O YAN C Y
AIRFILLED P IPELIN EPU LL FO RC E
R1
R2
W ATERFILLED P IPELIN E
D O W N D RAFT W ATER C O LU M N
S - LAY IN S TALLATIO N O F FLEXIBLE P IPELIN ES
C O N C RETE BLO C KS
AIR VEN T
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Installation of flexible PE Pipes in Long Lengths
Important Parameters
•Water filling method; pressure-, gravitation
•Sinking speed / equilibrium pressure
•Inlet arrangement / flow capacity
•Relative pressure / hydrostatic buckling
•S-curve / critical bending radius
•Longitudinal pulling force
•Concrete weight slide / bolt torque
•Time- / stress factor during temporary stops
•Weather conditions / positioning control
•Contingency actions
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Installation of flexible PE Pipes in Long Lengths
Longitudinal pulling force
•Assists positioning along lay route
•Compensates wind- and wave action
•Provides safety margin for S-curve bends
•Maintains control when offshore end dives, (SJ configuration), (water in / air out)
•Achieves safe landing of end arrangement on seabed
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Concrete Ballast Weights
Various concrete weight designs, depending if the pipeline is installed on the seabed or in trench
Montpellier, France - ø1600 mm Limassol, Cyprus - ø1600 mm
Stobrec, Split, Croatia - ø1000 mm
Loudden, Stockholm, Sweden - ø630 mm Reykjavik, Iceland - ø1400 mm
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Concrete Ballast Weights
Concrete weight bolts, rubber compensatiors, EPDM rubber friction straps and sacrifical anodes
Antalya, Turkey - ø1600 mm
Reykjavik, Iceland - ø1400 mm
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Concrete Ballast Weights
Assembly of the concrete weights on the PE pipe. Various methods.
Lough Mahon, Cork, Ireland - ø1200 mm Reykjavik, Iceland - ø1400 mm
Södertälje, Sweden - ø1000 mm Porto de Suape, Recife, Brazil - ø1600 mm
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Submerging of flexible PE pipelines
Antalya, Turkey - ø1600 mm
Carrigrennan, Cork, Ireland - ø1600 mm
Terga, Algeria – ø2000 mm
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Submerging of flexible PE pipelines
Xove, Spain – ø2000 mm Montpellier, France - ø1600 mm
Sibenik, Croatia - ø1200 mm
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Submerging of flexible PE pipelines
Offshore surface connections of pipe strings
Montpellier, France - ø1600 mm
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Submerging of flexible PE pipelines
Pipeline end details
Compressed air hose connected to the pipe end
(Stobrec, Croatia - ø1000 mm) Towing end ø1600 mm for ocean towing
of the ready weighted pipes
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Diffuser solutions
328 m long tapered diffuser 1600 / 500 mm
with 120 diffuser ports in ø160 mm for
Antalya sea outfall - main pipe
ø1600 mm, (Turkey)
Ø500 mm diffuser risers to be assembled on
the ø1400 mm main outfall - Accra, Ghana
Totally 78 numbers of 160 mm
diffuser risers on the ø1600 mm main pipeline - Montpellier, France
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Special accessories
ø1600 mm Embedded spool piece 3D tailor made fitting ø800 mm PN10
for Fortum, Stockholm
Flanged 57 degree ø2000 mm bend
for Insuamar - Spain
Ø1400 mm intakes on ø2000 mm
main pipe - Insuamar - Spain
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Reference projects
Fylde Sea Outfall, the U.K. - 1995 Pipe diameter 1400 mm (5200 m + 1100 m)
Assembly of concrete weights & submerging
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Antalya Sea Outfall, Turkey - 1997 Pipe diameter 1600 mm (5400 m)
Submerging of the sea outfall Diffuser section
Reference projects
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Aveiro Sewerage Project, Portugal - 1998-99 Pipe diameter 1400mm (2780 m) and 1600 mm (1800 m)
Sea transport of pipes and Concrete weight assembly
Reference projects
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Santander Sea Outfall, Spain - 1999 Pipe diameter 1400 mm (2690 m)
Pipe welding and concrete weight assembly
Reference projects
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Larnaca Desalination Plant Project, Cyprus - 1999 / 2000 Pipe diameter 1200 mm (1050 m) and 1000 mm (1500 m)
Tow departure from Norway Pipes stored in the port of Limassol
Reference projects
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Levenmouth Sea Outfall, the U.K. - 2000 Pipe diameter 1600 mm (1036 m)
Production of diffuser sections Tow preparation
Reference projects
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Cooling Water Intake, Södertälje, Sweden - 2000 Pipe diameter 1000 mm (6134 m)
Pulling of 500 m pipe length over the lock Concrete weight assembly
Reference projects
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Reykjavik Sea Outfall, Iceland - 2001 Pipe diameter 1400 mm (5690 m), 1200 mm (155 mm) and 1000 mm (400 m)
Assembly of concrete weights, jointing of pipe sections and submerging
Reference projects
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Bekkelaget Sea Outfall, Oslo, Norway - 2001 Pipe diameter 1200 mm , twin pipe2 x 370 m + diffuser
Preparation of diffuser for laying suspended 2 m above the sea bottom submerging
Reference projects
Submerging of the first outfall pipe
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Stobrec Sea Outfall, Split, Croatia - 2001 Pipe diameter 1000mm length 2932 m, including a 204 m long diffuser
Towing of the pipes Pipe installation
Reference projects
Sinking of the
deep section
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Lough Mahon Crossings, Cork, Ireland - 2001 Pipe diameter 1200mm twin pipeline total length 7064 m
Pipe Collar assembly storage GRP coupling Coupling assembly tool
Reference projects
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Pipe installation
Carrigrennan Sea Outfall, Cork, Ireland - 2002 Pipe diameter 1600 mm Pipe length 800 m
Reference projects
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Termopernambuco Cooling Water Outfall, Recife, Brazil - 2002 Pipe diameter 1600 mm total length 1624 m
Weighted pipes in Suape port
Reference projects
The power plant
Departure from
Stathelle
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Loudden Waste Water Pumping Main, Stockholm Sweden – 2003
Pipe diameter 630 mm total length 6820 m
Concrete weight assembly
Reference projects
The power plant
Towing of the pipes through
the archipelago of Stockholm
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Montpellier Sea Outfall, France – 2003 Pipe diameter 1600 mm total length 10.827 m
Welding of PE stubend
Reference projects
Assembly of the GRP coupling and pipe submersion
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Sibenik Sea Outfall, Croatia – 2003 and 2004 Pipe diameter 1200 mm total length 5134 m
Mooring of the pipes in Sibenik
Reference projects
The power plant
Installation of the first 1500 m section
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Submarine Cooling Water Pipeline, Stockholm, Sweden – 2004 Pipe diameter 800 mm PN10 total length 2100 m
Special bends, re-inforced with GRP around the butt welds in order to get PN10 rating
Reference projects
The power plant The PE pipes are lifted over the lock in Södertälje for further towing to site
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Water Pipeline for Paper Mill, Halden, Norway – 2004 Pipe diameter 1400 mm total length 1490 m
Installation of the marine part of the pipeline in a river.
Reference projects
The power plant Welding of the OD 1400 x 66,7 mm SDR21 PE pipe at site.
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Schola Green Outfall Relining, Morecambe, the U.K. – 2004 Pipe diameter 1400 mm total length 967 m
Departure of the tow with the 967 m long PE pipe OD 1400 mm SDR26
Reference projects
The power plant Installation of the PE pipe into the old concrete lined steel pipe
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Korle Lagoon Outfall, Accra, Ghana – 2004 Pipe diameter 1400 mm total length 1800 m
Tow departure from Stathelle with the 4 numbers of diameter 1400 mm pipe
Reference projects
The power plant Mooring of the pipes in
Sekondi harbour, Ghana
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Drinking Water Pipeline, Kalmar, Sweden – 2004 Pipe diameter 710 mm PN10 total length 7920 m
The pipe is in position. The trench shall be excavated to the right of the pipe
Reference projects
The power plant The OD 710 mm SDR17 PN10 PE pipe, 500 m long, is pulled into the laying position with a forest tractor
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Brine outfall from a desalination plant, Cartagena, Spain – 2005 Pipe diameter 1400 mm total length 4800 m
The pipeline is ready for submerging – buoyancy required
Reference projects
Departure of the tow with 10 x 480 m long PE pipes OD 1400 mm
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Sea water intakes for a fish farm, Galicia, Spain – 2005 Pipe diameter 2000 mm total length 2230 m
Pipe submerging in Xove harbour
Reference projects
Departure of the tow with 4 pipes,
2 x 630 m + 2 x 485 m long PE pipes
OD 2000 mm SDR30 and SDR26 PE80
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Sea outfalls for Zadar and Biograd, Croatia – 2006 Pipe diameter 1200 mm total length 2810 m
Pipe diameter 630 mm total length 3419 m
Reference projects
Submerging of the ø1200 mm PE pipes in Zadar
Pipes in storage
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Sea water intakes for Abutaraba desalination, Libya – 2006 Pipe diameter 1400 mm total length 1288 m
Reference projects
Sinking of the OD 1400 mm SDR26 PE80 pipes in Abutaraba in August 2006
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Sea water intakes and brine outfall for Hamma desalination, Algiers, Algeria – 2006
Pipe diameter 1600 mm total length 1348 m
Reference projects
Installation of one ø1600 SDR26 sea water intake
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Tangier sewer outfall, Morocco – 2006/2007 Pipe diameter 1400 mm total length 2195 m
Reference projects
Arrival of the second delivery to Tangier MED harbour in March 2007
Ready weighted pipes in storage
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Tetouan sewer outfall, Morocco – 2006/2007 Pipe diameter 1200 mm total length 3100 m
Reference projects
Tetouan – Submerging of the ø1200 mm pipeline Ballast weight assembly
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Sea water intakes and brine outfall for Chennai desalination, India – 2007
Pipe diameter 1600 mm total length 1700 m
Reference projects
Welding and ballasting of the pipeline in Chennai.
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Cooling water outfall for a power plant, Ireland – 2007 Pipe diameter 2000 mm total length 437 m
Reference projects
Welding of the PE stubend to the ø2000 SDR33 pipe on site in Cork.
Ø1200 mm PE manhole assembled on the ø2000 mm pipe on site.
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Sea water intakes for the MIRA fish farm, Portugal – 2007/2008 Pipe diameter 2000 mm total length 5308 m
Reference projects
Departure of the second tow with 6 numbers of ø2000 SDR26 pipes.
Concrete ballast weighting in the port of Aveiro
Pipe submerging outside Mira
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Sea water intakes for the Barcelona desalination plant, Spain – 2007/2008
Pipe diameter ø1400 mm – 1330 m and ø1800 mm - 4320 m
Reference projects
Departure of the second tow with 10 numbers of ø1800 SDR26/30 pipes.
Directional drilling operation under a river – 1400 mm SDR21 PE pipe
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Sewer outfall for the city of Rabat, Morocco – 2008 Pipe diameter 2000 mm total length 1365 m
Reference projects
Submerging of the ø2000 SDR26 diffuser pipe in Rabat .
Concrete ballast assembly
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Sewer outfall for the city of Tripoli, Lebanon – 2008 Pipe diameter 1600 mm total length 1473 m
Reference projects
Assembly of ø710 mm diffuser risers in the port of Tripoli . Concrete ballast assembly
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Sewer outfall for the city of Lisbon, Portugal – 2009 Pipe diameter 1400 mm total length 1364 m
Reference projects
Arrival of the ø1400 SDR26 PE pipe delivery to Lisbon .
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Sea water intakes & outfall for the Fouka desalination plant, Algeria – 2009
Pipe diameter ø1600 mm – 1800 m and ø1200 mm - 380 m
Reference projects
Assembly of concrete weights in the port of Algiers .
Departure of the tow with the pipes for Fouka, (7 pipes), and for Lisbon, (3 pipes).
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Cooling water intakes for the Terga power plant, Algeria – 2009
Pipe diameter ø2000 mm – 3790 m
Reference projects
Ready weighted pipes in the Arzew port .
Departure of the tow with the 11 ø2000 mm SDR26 pipes.
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Sewer outfall for Gdynia, Poland – 2009 Pipe diameter 1300 mm total length 2480 m + diffuser
Reference projects
Arrival of the pipe delivery to Gdansk .
Departure of the tow with the 4 numbers ø1300 mm SDR26 pipes and the diffuser.
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Cartagena sewer outfall, Colombia – 2009 Pipe diameter 2000 mm total length 4321 m
Reference projects
Arrival of the tow to Cartagena de Indias on July 16, 2009
Departure of the tow from Stathelle on May 17, 2009
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Reference projects
Carboneras sea water intake for a desalination plant, Spain – 2009 Pipe diameter 2000 mm total length 1007 m
Pipe arrival in the port of Carboneras, south of Spain Manhole asembly
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Reference projects
Sea water intake and brine outfall for a desalination plant –
Limassol, Cyprus - 2010 Pipe diameter: 1400 and 1200 mm – total length 2250 m
Tow departure from Stathelle
Tow preparation
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Reference projects
Ta’Barkat sewer outfall – Malta - 2010
Concrete weight assembly
Pipe diameter: 1600 mm – total length 1000 m
Ready installed outfall pipeline, with diffuser
risers equipped with Tideflex valves.
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Reference projects
El Jadida sewer outfall , Morocco - 2010
Pipes ready for departure to El Jadida & Malta
Pipe diameter: 900 mm total length 2160 m
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Reference projects
Submarine casings pipelines for a wind mill park,
Norderney islands, Germany- 2010
Pulling operation
Installed pipeline
Pipe diameter: 450 and 250 mm total length 5690 m
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Reference projects
Shoreham sewer outfall, Brighton, the U.K. - 2010
Departure of the tow together with ready made diffuser.
Pulling the pipes over the pier towards designated mooring place.
Pipe diameter 1400 mm – total length 1658 m + tapered diffuser
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Reference projects
Pipes for deep sea supports for oil pipelines, Luanda, Angola - 2010
Pipe diameters: 900 and 1100 mm – total length 845 m
The pipes in the assembly hall in Antwerp
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Reference projects
Tailings outfall pipes for a copper mine – Batu Hijau, Indonesia - 2010
Stored pipes ready to be shipped
Loading of pipes on the cargo vessel chartered by the Buyer.
Pipe diameter: 1000 mm – total length 3690 m
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Reference projects
Odessa sewer outfall, Ukraine - 2011
Departure of the tow from Stathelle.
The tow is passing the Bosphorus in
Istanbul on the way to Odessa
Pipe diameter 2000 mm – total length 4307 m
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Reference projects
Storm water outfalls, Doha, Qatar - 2011
Pipe welding on site in Doha
Pipe submerging
Pipe diameter 1400 and 1800 mm – total length 2551 m
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Reference projects
Jeddah outfalls, Jeddah, Saudi Arabia – 2011 -12
Pipe welding on site in Jeddah
The pipeline is floated out on the sea
Pipe diameter 2000 mm – total length 1102 m
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PE Pipes in Long Lengths from Pipelife
Thank You for Your Attention Trygve Blomster