innovative access systems - stabilized platform on high speed … · 2020. 4. 24. · stefan schulz...

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 1

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Workshop

Low Cost Development

& Maintenance

Session „synergy between E&P and Wind“ Marine access & accommodation

Source: alpha ventus Source: wintershall

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 2

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Wind Farm Transport Examples

25m Swath

Source: A&R Helicopter service

Souce: Wiking

17m Standard CTV

Source: South Boats

The new Baltec A240

Lightweight Catamaran

with lowest fuel consumption

designed with open foredeck

and Rolling Jack on stern

Source: Otto Wulf

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 3

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

1200

900

2600

1100

780600

1500

700

0

500

1000

1500

2000

2500

3000

17m Al Cat Baltec A240 A&R SWATH Heli S76 C

Lit

er

fuel

Fuel Roundtrip 60 Nm off Fuel Roundtrip 20 Nm off

The main cost factor: Fuel consumption

Cannot

waiting

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 4

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

9

32 2613 8 8

2 29

41

6780

8896 98 100

0

20

40

60

80

100

120

0-0,5 0,5-1,0 1,0-1,5 1,5-2,0 2,0-2,5 2,5-3,5 3,5-4,5 4,5+

perc

en

t o

f o

ccu

ran

ce

Percentage sign. wave hight culminative percentage Helicopter

Service

Source : BSH Fino1

avai

lab

ility

(%

)

Offshore Wind Access - Performance Limits

monohulls or

small multihulls Swath or catamarans

with transfer systems

9

3226

13 8 82 2

9

41

67

8088

96 98 100

0

20

40

60

80

100

120

0-0,5 0,5-1,0 1,0-1,5 1,5-2,0 2,0-2,5 2,5-3,5 3,5-4,5 4,5+

perc

en

t o

f o

ccu

ran

ce

Percentage sign. wave hight culminative percentage

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 5

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Problematic: State of the art

on Offshore WEC-access

Source : Maritime Journal

Limit of this procedure is a sign. wave height

of approximately 1.0 m sign.

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 6

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Access Systems for more safety

Turbine Access System

Source : Ampelmann Operations B.V.

MOTS Ampelmann

Source : momac Source : BMT Nigel Gee

Source: Baltec

The new Access concept:

Rolling Jack on the Baltec

A240 lightweight catamaran

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 7

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

More seastate – The safety concern

Source: YOU TUBE / NDR

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 8

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Rolling Jack - the new Access Concept: Eliminate the seastate concern

rolling jack concept Compensation of platform

in roll, pitch and heave rolling fender concept

vessel controlled in surge and sway

Source: Baltec

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 9

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Rolling Jack - The New Access Concept: Rolling Jack & Rolling Fender

basic principle:

Source: Baltec

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 10

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

OceanRunner Design with Stern landing

Baltec 240, 24x8m, 25kn max. / Deckload 5to

Save access up to 2,5m sign. Waves

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 11

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Standard Design with Bow landing

Baltec 240V, 24x8m, 23kn max / 750kw

Save access up to 2,0m sign. Waves

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 12

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Cost Benefits Rolling Jack & Rolling Fender Investment:

Rolling Jack + Rolling Fender free on board ≈ 800.000 € - 1.000.000 €

Vessel requirements:

No special ship required Best Benefits on light weight ships

Operation cost over all:

Low maintenance costs No specific personnel needed

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 13

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

Prospects Rolling Jack & Rolling Fender

onshore experiments & tests completed sea trial performed currently prototype admission is expected next spring new refitting design is planned

additionally we are looking for new cooperation and new applications

Stefan Schulz BALTEC Offshore, Lübeck www.baltec.de 14

Innovative access systems - Stabilized Platform on High Speed Catamarans

A new approach from BALTEC

-Thanks for your attention-

Source: alpha ventus Source: wintershall