Applications and Challenges for Very Large Floating Structures (VLFSs) Markus Wernli, PhD, P.E....

Applications and Challenges for Very Large Floating Structures

(VLFSs)

Markus Wernli, PhD, P.E.

BergerABAM Inc.1301 Fifth Avenue, Suite 1200Seattle, WA 98101-2677(206)357-5600wernli@abam.comwww.abam.com

Floating Piers, Bridges, Wharfs, and Breakwaters

Floating Container Terminal,

Valdez, Alaska

Floating Navy Pier

Hood Canal Floating Bridge, Washington

Floating Offshore Drilling Platforms, FPSOs, and Ocean Energy Convertors

Glomar Beaufort Sea Concrete Island Drilling Structure (SIDS)

Floating LNG Processing and Storage Platform (Courtesy Mustang Engineering)

Arco Floating LPG Terminal, Java Sea

Floating Offshore “Real Estate”

Floating Open Ocean Stabilized Live Fire Platform (Courtesy PCCI)

Mobile Offshore Base (Courtesy Aker)

Portunus Floating Security Port (Courtesy LLNL)

Mega-Float Test Runway in Tokyo (Courtesy TRAM)

Cost per Square Foot Area

Source: Federal Reserve Bank of New York, based on an analysis of CoStar Group data, April 2008.

New York City Land Prices VLFSs

Cost Factors- Design Sea State- Platform Size- Payload/Freeboard

Protected Harbor

Benign Water Rough Sea $-

$250

$500

$750

$1,000

$1,250

$1,500

The Roadblocks

Technical Risk

High Capital Investment

Long-term Investment

Environmental Impact

Political Impact

Economical Impact

Human Perception

Technology Deployment

Project Opportunity

Business Case

Risk Analysis

Technology Qualification

Stakeholder Management

“New” Technology

Applied Technology

Risk Identification:• Safety risks• Operational risks• Schedule risks• Cost risks• Human Perception

Technology Qualification

Risk MitigationP

erfo

rman

ce

Illustration of Qualification Process (DNV)

Definition of “Novelty”

Refined Analysis

Specification of Procedures

Qualification Testing

Prototyping

Thank you!

Markus Wernli, PhD, P.E.

BergerABAM Inc.1301 Fifth Avenue, Suite 1200Seattle, WA 98101-2677(206)357-5600wernli@abam.comwww.abam.com