FALL 2008 - SPRING 2009 SCHEDULE (2nd Wednesday unless noted) | Date | Topic | Host |
Sept 17, 2008
(3rd wk) | Tour of New USCGC BERTHOLF (WMSL 750) | ASNE |
Oct 6
**MONDAY** | Tour of BAE Systems San Francisco Dry Dock and M/V STAR PRINCESS | ASNE |
| Nov 12 | US Coast Guard Logistics Transformation | ASNE |
| Dec 10 | Wind Float Technology | SNAME |
| Jan 14, 2009 | Saga of a Broken Hopper Barge | SNAME |
| Feb 11 | WindFlip - A Transport & Launch Concept for Offshore Wind Turbines - Student Paper | SNAME |
Mar 10
**TUESDAY** | US Coast Guard Tradeoff Feasibility Study for a Nuclear Powered versus Conventional Icebreaker | ASNE |
| Apr 15 (3rd wk) | Sea Steading (the latest in homesteading) | SNAME |
| May 13 | Brooks Dees USA GP26 | SNAME |
| | |
MEETINGS SYNOPSIS
September 17, 2008 (3rd week)
Topic: Tour of New USCGC BERTHOLF (WMSL 750)
Speaker: LCDR Erich Bauer, Engineer Officer, USCGC BERTHOLF (WMSL 750)
Location: Cutter Pier and Point Welcome Dining Facility, Coast Guard Island, Alameda, CA
Abstract: USCGC BERTHOLF (WMSL 750) is the first-in-class ìNational Security Cutterî constructed by Integrated Coast Guard Systems (ICGS) a partnership of Northrop Grumman Shipbuilding in Pascagoula, MS and Lockheed Martin, and wasaccepted by the US Coast Guard in May 2008 and commissioned last month at her new homeport of Alameda. At a length of 418 ft and a displacement of 4500 LT, BERTHOLF has a combined diesel and gas turbine (CODAG) propulsion plant capable of propelling the cutter at 28 kts. The WMSL Classwill provide increased range and endurance, automated weapons systems, a larger flight deck, and detection and defensecapabilities for chemical, biological, or radiological attack. In addition, the cutter is equipped with a state of the artcommand, control, communications, computers, intelligence, surveillance and reconnaissance (C4ISR) suite of equipmentfor enhanced interoperability between the US Coast Guard and US Navy. TOURS will commence be from 1600 to 1700. The presentation will concern FLAP (Fatigue Life Assessment Program) and will be presented by LCDR Erich Bauer, Engineer Officer of CGC BERTHOLF,and members from MARIN (Marine Research Institute Netherlands), the company outfitting the cutter with sensors tocollect data which will be useful in validating fatigue life modeling.
BACK TO TOP OF PAGE* * * * * *October 6 **MONDAY**
Topic: Tour of BAE Systems San Francisco Dry Dock and M/V STAR PRINCESS
Speaker: Mike Gerbratch, Ship Manager, BAE Systems San Francisco Ship Repair
Location: BAE Systems, San Francisco CA RESERVATIONS ARE LIMITED, RESERVE EARLY
Abstract: BAE Systems San Francisco Ship Repair's 66,000 Long Ton floating drydock was built in the late 60s on site by Bethlehem Steel. BAE Systems is upgrading the dock to serve new, larger, cruise ships such as the 109,000 GT Star Princess. The upgrades include eight sponsons to increase water plane moment of inertia, wingwall openings to allow fin stabilizer shafts to be pulled and 36,000 SF of 20.4# PL doublers on the dock floor. The 109,000-ton Star Princess, built in 2002 by Fincantieri in Montfalcone, Italy, is the third vessel of the Grand Class series. The 951.4 x 118.1 foot vessel has a nominal guest capacity of 2,600, a crew of 1,100 and a service speed of 22.5 knots. Alex Romanczuk, will give a presentation on the dock upgrades after dinner. Copies of Emmet Jones' October 1969 SNAME Northern California Section paper on the construction of the dock will be available.BACK TO TOP OF PAGE* * * * * *November 12
Topic: US Coast Guard Logistics Transformation
Speaker: Matthew S. vonRuden, Captain USCG - Chief of the Naval Engineering Division, Coast Guard Maintenance & Logistics Command Pacific and ASNE Golden Gate Chair
Location: Speisekammer Restaurant, 2424 Lincoln Avenue, Alameda, CA
Abstract: The presentation will cover the USCG's ongoing modernization effort as it pertains to vessel maintenance. Building on industry best practices and the Coast Guard's own aviation support model, the Coast guard is transforming all of its logistics support enterprises to a common business model. The model is based on a bi-level maintenance framework, total asset visibility, disciplined configuration management, and increased accountability through a designated product-line manager. The Maintenance & Logistics Command Pacific has been at the forefront of the transformation and the presentation will cover the catalyst for the change, progress to date, and what the change will mean for the Coast Guard and its partners in industry.BACK TO TOP OF PAGE* * * * * *December 10
Topic: Wind Float Technology
Speaker: Dominique Roddier, Partner, Marine Innovation and Technology
Location: CafÈ de la Paz Restaurant, 1600 Shattuck Ave, Berkeley CA
Abstract: This presentation will summarize the feasibility study conducted for the WindFloat Technology. The WindFloat is a three legged semi submersible floating foundation for very large offshore wind turbines. It is designed such that an existing turbine, 5 MW or larger, can be fitted on one of the columns of the hull with minimal modifications to the tower, nacelle and turbine. As offshore wind as an energy source will see a significant increase in activity in the near future, and fixed offshore turbines are limited in water depth to around 30~50m, the move to deeper waters is inevitable. Despite the increase in complexity, a floating foundation offers some distinct advantages; Flexibility in site location; Better wind resources further offshore; Major coastal regions with limited shallow continental shelf; Ability to go 10 miles offshore and eliminate NIMBY syndrome; Integrated structures with no redesign of the mast foundation connection for every project; Simpler installation procedures; and Significantly cheaper anchors than larger diameter towers. This presentation will focus on the design basis for wind turbine floating foundations, and explores the requirements that must be addressed by the design teams in this new field. It shows that the design of the hull for a large wind turbine must draw on the synergies of oil and gas offshore platforms, while understanding the different design requirements and functionality of the wind turbine itself. Preliminary hydrodynamic and structural analysis results will be presented.BACK TO TOP OF PAGE* * * * * *January 14, 2009
Topic: The Saga of a Broken Hopper Barge: Failure, Recovery, Root Cause, Redesign, and Rebuilding
Speaker: Frank van Hoorn, Argonautics Marine Engineering, Inc; J. Arthur Waddington, Starboard Surveys L.L.C; Joel Welter, Naval Architect, Bay Ship & Yacht Co.
Location: Commodore Cruises M/V CABERNET SAUVIGNON, 2394 Mariner Square, Alameda CA
Abstract: In the summer of 2006, the brand new inland hopper barge Eva Joan broke and folded after receiving its first load of sand, while moored alongside the ocean going transport ship CSL Acadian at the San Francisco anchorage. The barge sank until its midships bottom rested on the seafloor. Immediately after the accident, a floating crane and a salvage team was mobilized to remove the broken barge from the deep water anchorage. After removal of the sand out of the hopper and dewatering of the flooded void spaces, the barge was successfully salvaged and laid up while the root cause analysis was performed. Once the cause of the catastrophic failure was clear, the various rebuilding options could be compared and the most cost effective solution was selected, and the redesign finalized. The barge was towed to Bay Ship & Yacht Co. and carefully dry docked, straightening the barge in the process. The damaged midships section was removed and the barge ends re-aligned. A new midships section was constructed in situ. After painting the new hull section, the barge was re-floated and two whale backs were welded onto its deck. Ten months after the accident, the barge was redelivered to its owners and re-entered service. Since then the rebuilt barge has successfully moved numerous full loads of sands between the San Francisco anchorage and the ownerís dock in Petaluma.BACK TO TOP OF PAGE* * * * * *February 11 - Students and Past Chairman Guest Night
Topic: WindFlip - A Transport & Launch Concept for Offshore Wind Turbines - Student Paper
Speaker: Ane Christophersen, Atle Alvheim, Anders Hynne, Tobias King, Torbj¯rn MannsÂker
Location: University of California, Faculty Club - Seaborg Room, Berkeley, CA
Sponsors: Chevron; Bruce S. Rosenblatt & Associates, LLC; Bay Ship & Yacht Company
Abstract: "WindFlip" is a transport and launch concept for floating offshore wind turbines. The concept has been developed by student team at the Norwegian University of Science and Technology as an entry to the Dr. James A. Lisnyk Students Ship-Design Competition. The team has used the Scripps Institute FLIP as inspiration for the method of launching these very large Ocean structures; the diameter of the assembled structure is over 100 m. This method makes it possible to launch wind turbines offshore in up to 2 m s ignificant wave height while keeping a transit speed of 15 knots. The Hywind wind turbine that the ship has been designed for is a concept developed by StatoilHydro, it has a total displacement of 8,200 tons, keel to hub distance is 200 m and turbine diameter of 120 m. These are transported fully assembled and two at the time. After launch they are handed over as service vessels for mooring at the offshore site. The presentation will discuss the design and deployment aspects of this launch boat.
The best of UC Berkeley's and Cal Maritime's young minds are showcased during the student paper presentations. Students of ASNE and SNAME are given the opportunity to show off the notable work they have completed alongside their professional counterparts in the technical paper presentations.
BACK TO TOP OF PAGE* * * * * *Mar 10 **TUESDAY**
Topic: US Coast Guard Tradeoff Feasibility Study for a Nuclear Powered versus Conventional Icebreaker
Speaker: Rubin Sheinberg, Chief - Naval Architecture Branch, U.S. Coast Guard Engineering Logistics Center, Curtis Bay MD
Location: Otaez Restaurant, 1610 Webster Street, Alameda CA
Abstract: The U.S. Coast Guard has been active in the polar regions since the 1880's when the Revenue Cutter Service, now the Coast Guard, began regularly cruising in the Arctic Ocean. Historically, the U.S. Coast Guard has been able to successfully operate in polar regions using conventionally (fossil fuel) powered icebreakers to achieve military, commercial and scientific objectives. Recently there has been renewed interest in expanding the use of nuclear power to U.S. Coast Guard icebreakers. Nuclear power offers independence from dwindling oil supplies, and a tremendous increase in range compared to conventionally powered (fossil fuel) icebreakers. However there are several factors that have limited the use of nuclear energy as an option for marine propulsion: higher initial costs relative to conventionally powered ships; perceived adverse safety, environmental and health effects; potential security risks, and long term management of nuclear waste. This presentation will examine some of the factors that need to be considered in evaluating the feasibility of a nuclear powered icebreaker.
BACK TO TOP OF PAGE* * * * * *April 15 (3rd week)
Topic: Sea Steading (the latest in homesteading)
Speakers: Patri Friedman, Executive Director and Member of the Seasteading Institute Board of Trustees; and Wayne Gramlich, Director of Engineering, Secretary and Treasurer of the Seasteading Institute Board of Trustees
Location: MV Cabernet Sauvignon Commodore, 2394 Mariner Square, Alameda, CA
Abstract: A floating city off the coast of San Francisco may sound like science fiction, but it could be reality in the not-too-distant future. The Seasteading Institute has drawn up plans for a floating city off the coast of San Francisco. One project engineer described the prototype as similar to a cruise ship, but from a distance the cities might look like oil-drilling platforms. According to the plans, the floating cities would not only look different from their land-based counterparts, but they might operate differently, too, and be the perfect places to experiment with new forms of government. The idea isn't just about getting away from rules or getting rid of rules. It's about a system that encourages experimentation with different political systems. The floating city may be built in modular pieces so that city blocks and neighborhoods can be recombined to create new urban layouts. The idea of building cities on the sea is not new, but the Seasteading Institute has come closer to realizing the goal than others, and a prototype for the idea may be finished in as little as three years. Unlike oil rigs, on which they are loosely based, Seasteads care more about sunlight and open space, so the specifications are different, and, having modular cities, can actually be separated and rearranged. The presentation will describe how the Institute is working to make it happen and will focus on the engineering challenges and currently unsolved problems associated with the endeavor.
BACK TO TOP OF PAGE* * * * * *May 13
Topic: Brooks Dees USA GP26
Speaker: Brooks Dees
Location: TBD
Abstract: Local Naval Architect Brooks Dees will give a talk about his experience with the design, construction, and early racing of a GP 26, a new class of box-rule designed sailboat. For more info, see http://www.deesyachts.com/
BACK TO TOP OF PAGE* * * * * *