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Offshore AccessAs easy as crossing the street

Professional Offshore Personnel Transfers by Ampelmann

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The Problem

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The Problem

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Offshore Access

• Offshore access is difficult• Turbine maintenance = important• New model wind turbines• Wind farms farther offshore

Offshore access = big issue!

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Offshore Access

Horns Rev access by boat: • 1st winter: 5/7 days • 2nd winter: 1/7 days

Limited to calm weather conditions

Ampelmann 6/30

Offshore AccessExpensive!

Costly, and requires deck

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Ampelmann

Solution based on the problem:Ship is moving, structure is NOT

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Ampelmann

Solution based on the problem:Ship is moving, structure is NOT

Active motion compensation

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Ampelmann

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Ampelmann

• Invented by 2 TU Delft PhD students

• Wind Energy Conference, Berlin 2002

• Code name “Ampelmann”

As easy as crossing the street

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Applications

Maintenance on

Offshore Wind Farms

Transfer of people

Transfer of spare parts

Does it work?

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Proof of Concept

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Proof of Concept

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Proof of Concept

The concept works!

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Proof of Concept

• Show that it works offshore & full-scale

• Prove that the system is safe

• Test the capabilities of the system

Build a prototype!

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Project

David Cerda Salzmann- R & D

- PhD Ampelmann

Frederik Gerner- R & D Hydraulics

- Finance

Jillis Koch- Sales & Marketing

Jan van der Tempel- CEO

- inventor

Arjan Göbel- R & D Control

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Team

David Cerda Salzmann- R & D

- PhD Ampelmann

Frederik Gerner- R & D Hydraulics

- Finance

Jillis Koch-Safety

- Sales & Marketing

Jan van der Tempel- CEO

- inventor

Arjan Göbel- R & D Control

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Design Requirements

• Cylinder stroke 2 meter

• Foot print 6 x 6 meter

• 50 meter vessel

• Hs = 2.5 m (workability 93%)

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Ampelmann Requirements

• High workability through design

• No modification to structure

• Personnel & spare parts

• Heavy loads

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Design

Payloads:

Gangway: 2 ton

Central load: 4 ton

Central load: 10 ton

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Safety

• Fail-operational philosophy

• Redundant system

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Planning

Sept 2006 Sept. 2007

FinancePrototype

R & D Shell, Smit, Heerema

Design

Construct

Order components

Onshore testing Offshore testing

Safety & certification

Interest clients

Dem

o

Start company

Ampelmann 23/30

Planning

Sept 2006 Sept. 2007

FinancePrototype

R & D Shell, Smit, Heerema

Design

Construct

Order components

Onshore testing Offshore testing

Safety & certification

Interest clients

Dem

o

Start company

Components in fabricationSafety system in developmentProgramming control systemLloyd's Certification

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Planning

Sept 2006 Sept. 2007

FinancePrototype

R & D Shell, Smit, Heerema

Design

Construct

Order components

Onshore testing Offshore testing

Safety & certification

Interest clients

Dem

o

Start company

Testing this summer

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Planning

Sept 2006 Sept. 2007

FinancePrototype

R & D Shell, Smit, Heerema

Design

Construct

Order components

Onshore testing Offshore testing

Safety & certification

Interest clients

Dem

o

Start company

Commercialize aftersuccessful demo

Ampelmann 26/30

Motion Platform

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Gangway

Length: 9-16 meterYaw: 2 x 180 degreesPitch: +/- 20º

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Components

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Offshore Testing

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Ampelmann System

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Film