spm ma_dnv
TRANSCRIPT
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Single Point Mooring Systems
24 Feb 2012 By. MA
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Content
1. SPM Technical Description
2. Lesson Learnt
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Single Point Mooring (SPM )is used for loading\unloading of tankers, providing a weathervane mooring in open sea conditions
SPM Definition
SPM
Loading
Mooring
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Shore Terminal
Jetty Tanker
Pipeline
SPM
Why SPM?
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SPM Components
Pipeline
PLEM (Pipeline End Manifold)
Under Buoy Hoses
Buoy
Floating Hoses
Tanker
Mooring Hawser
Mooring Chains
Catenary Anchor Leg
Mooring (CALM) Buoy
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Buoy Components Central Pipe
Unit
Valves
Buoy Piping
Platform
Hose
Central Piping Unit (CPU)
Under Buoy Hose
Connection
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Above Water Components-1
Floating Hoses
Mooring Hawsers
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Rotation vs Fixed Parts
Fixed
Rotating
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Turntable Buoy: buoy with a geostatic fixed buoy body (moored to the seabed) and a rotating mooring table (Conventional Design)
Turret Buoy: buoy with a geostatic turret and a buoy body, which is rotating around the turret.
CALM Buoy Types
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Bearings
Main Bearing
Fixed
Rotating
Swivel Bearing
Central Piping Unit
(CPU) Electrical
Swivel
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Turret Buoy-Rectangular
Fixed
Rotating
Surge Tank
Central Piping Unit
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Turntable Buoy
Hose Connection
6m
12m
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Turret Buoy
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Moored Tanker
Mooring Hawser
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Mooring Hawser
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Floating Hose and Under Buoy Hose
Floating Hose Strings
Under Buoy Strings
Oil Companies International Marine Forum (OCIMF)
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Floating Hose Strings (Example)
MBC
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Floating Hose and Marine Break-away Coupling (MBC)
MBC
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Tanker Manifold Connection
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Under Buoy Hose Strings (Example)
Water Depth
15m
32
m
Floats
Buoy
PLEM (Pipeline End Manifold)
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PLEM (Pipeline End Manifold)
PLEM Barrel Valve (Under Buoy
Hose)
Plan View
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PLEM – Elevation View
Elevation View
Piled Foundation
Hydraulically Operated valve
Hose Connection
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PLEM Valves
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PLEM
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Buoy Anchoring Assembly
Anchor Chains
Seabed Anchor
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High Holding Power (Fluke Anchor)
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SPM Project Requirements
• Certification and Design Codes
• Navigation Depth and Dredging
• Survey (Bathymetirc, Geotechnic, Metocean, UXO)
• Pipeline Connection
• Flow Assurance
• Control \SCADA
• Operation\Support Vessels\Spill Clean-up
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Certification and Design Codes
• Det Norske Veritas (DNV)
• Bureau Veritas (BV)
• American Bureau of Shipping (ABS)
• Lloyds Register of Shipping.
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Navigation Depth and Dredging
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Survey (Bathymetirc, Geotechnic, Metocean, UXO)
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PLEM-Pipeline Spoolpiece
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Flow Assurance