Submarine Systems Design, Installation and Operations

ESACC/Internet2 Techs WorkshopFlorida International University

Miami, FL

By Anthony Liguori

February 3, 2003

EAC

PC-1

PAC

MAC

AC-1 & AC-2

SAC

NAC

PEC

GAL

Presented By: Anthony Liguori

Global Network Map

History• Global Marine Systems - Formerly Cable &

Wireless Global Marine

• Origins of Global Marine trace back over 150 years

• 1999 - Cable & Wireless Global Marine bought by Global Crossing Limited

• World’s largest subsea cable installation and maintenance contractor

History• 1850 : First submarine telegraph cable laid (Dover

- Calais)• 1866 : First successful Trans-Atlantic telegraph

submarine cable laid• 1956 : First Trans-Atlantic analogue telephone

cable laid• 1962 : First Trans-Pacific analogue telephone

cable laid• 1988 : First Trans-Atlantic fibre optic cable laid

World Cables - 1963

World Cables - 1999

Desk Study

• Land site selection

• Fishing activity

• Oil exploration & production

• Sea bed conditions

• Environmental factors

• Permits & permissions

• Existing cables & pipelines

Multi-Beam Survey

Sub-Sea Make Up

Route Planning

Cable Installation

Seabed Slack Variables

Faults by Water Depth

62%

20%

4%

5%

3%6% 0-100 Metres

100-200 Metres

200-500 Metres

500-1000 Metres

1000-2000 Metres

>2000 Metres

Fishing Damage

Cable System Maintenance

Cable Station / Field Operation Organization

Cross Section of Cable Types

Branching Unit

Grapnel

Summary Slide

• “Submarine Systems Design, Installation and Operations” are interdependent and the long term profitability of the system is the direct result of the initial planning and the quality of installation.

The End