TIDEWAY OFFSHORE SOLUTIONS
Kathryn Hannis | 23-11-2015
GENERAL INFORMATION
TIDEWAY | GENERAL INFORMATION
 Tideway in a nutshell:
Leading world class contractor
In the high precision rock dumping (fall pipe vessel) market
We aim to be
A full service provider for oil & gas pipeline and power cable
installation projects
Our activities
Rock placement, Landfalls & Outfalls, Offshore Dredging,
Power Cable Installation, & Subsea works
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ACTIVITIES & EQUIPMENT
TIDEWAY | ACTIVITIES
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
Protection & Stabilisation Services
Pipeline / Cable Crossings
Seabed Preparation
Freespan Correction
Platform Scour Protection
Windfarm Scour Protection
Special Applications
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TIDEWAY | EQUIPMENT
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
FPV Flintstone
FPV Rollingstone
FPV Seahorse
Length
139
m.m.
– Breadth
32m.
38m.
Draught
loaded
6.607.74
6.34
m. –m.
Loading
capacity
11,500 t.t.
18,000
Length 162
154.6
– Breadth
32.2–m.
– Draught
loaded
- Loading
cap. 19,000
Working
2,000
m. – Cruising
speed
Cruising depth
speed max.
12 knots
– Class
ABS/ DP
LR
/ DP
II II 15 knots - Class LR DP II, ICE
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TIDEWAY | ACTIVITIES
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
Cofferdams
Groynes
Pulling Winch & Wire
Wire Lay & Pipe Pull
Nearshore Dredging
Backfilling & Trench Re-instatement
Directional Drilling / Microtunneling
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TIDEWAY | ACTIVITIES
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
Pre-lay Dredging
Post-Lay Burial
Seabed Preparation
Pre-sweeping sandwaves
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TIDEWAY | ACTIVITIES
Rock placement
From continent to continent
Landfalls &
Outfalls
Offshore
Dredging
From OWFs to shore
Cable
Installation
Infield cables between WTGs
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TIDEWAY | EQUIPMENT
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
New Asset:
MPV Living Stone
(Q1 2017)
Post-lay trencher
CBT1100
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TIDEWAY | EQUIPMENT
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
Length 161 m. – Breadth 32.2m. – Draught loaded 6.5 m. – Loading capacity 10,000 t of cable (2x5,000 t turntables)
Cruising speed 13.4 knots – DP III – 2x600 m3 LNG plant tanks
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TIDEWAY | EQUIPMENT
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
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TIDEWAY | EQUIPMENT
Rock placement
Landfalls &
Outfalls
Offshore
Dredging
Cable
Installation
• 2x400kW Electro-Hydraulic power packs
• 1750mm wide heavy duty track gear
• Heavy duty chain cutter system –
o 2.3m trench depth @ 4m MBR
• Rear mounted dual jetting swords –
o 3m trench depth @ 3m MBR
• TSS Dual track cable tracking system
• Capable of simultaneous or post-lay burial survey
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PAST EXPERIENCE
TIDEWAY | PAST EXPERIENCE
Rock Placement
• DONG Energy /
Gwynt Y Mor OWF
• DONG Energy /
Walney I & II OWF
• DONG / Gunfleet
Sands DEMO
• BP / Claire
Development
• Energy /
Westermostrough
• 100s more…
Landfalls & Outfalls
Offshore Dredging
• BP / Magnus EOR
Project
• Chevron /
Wheatstone Project
• PVDSA / Gasoducto
Dragon / Cigma
• Cardon IV SA / Perla
Early Field
Development
• Chevron /
Wheatstone
Trunkline Shore Pull
• Gazprom /
Nordstream Project
• Shell / Corrib Field
Development
• RWE / Breagh Field
Development
• BritNed Cable
project
• Babbage Project
Cable Installation
• GDF Suez / Q13a-A
Development
• Northwind /
Northwind OWF
• C-Power / Thornton
Bank OWF
• Statnett / NorNed
HVDC Cable
Interconnector
Project
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CURRENT & FUTURE PROJECTS
TIDEWAY | CURRENT & FUTURE PROJECTS
Race Bank
Gode Wind 1+2
Innogy Nordsee 1
Merkur
• Germany
• UK
• Germany
• Germany
• DONG Energy /
GeoSea
• DONG Energy
• Nordsee One /
GeoSea
• Merkur Offshore
/ GeoSea
• Scour protection
for monopile
foundations
• Scour protection
for monopile
foundations
• Scour protection
around 42 and
55 monopile
foundations
• Scour protection
around 62 of 91
monopile
foundations
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TIDEWAY | PAST EXPERIENCE
 SUB-CONTRACT SERVICES
General
Mobilisation &
Demobilisation
Execution
• Trenching & Burial
• Survey
• Skilled and semiskilled labour
• Port services /
facilities (incl.
agents, bunkering,
etc)
• Pull-in works
• Conveyor belt
maintenance
• Engineers
• Diving services
• Route Clearance
• Inspectors
• Small tools /
hardware
• Cable supply /
manufacture
• Electrical services
• Testing and
commissioning
• Engineering works
• Admin
• Accommodation on
shore
• More...
• Survey
• Office space
• UXO clearance
• Taxi/shuttle services
• HDD
• Welding shop
• Rock supply
• ROV services
• CTVs, multicats,
tugs, barges
• Cable protection
system
• Earth moving
equipment services
• More…
• More…
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THANK YOU