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President’s Message

VOL. LXII, NO. 4 FOUNDED 1930 April 2007

575 MARKET STREET SUITE 2125 SAN FRANCISCO, CA 94105-2870 415/974-5147 WWW.SEAONC.ORG OFFICE@SEAONC.ORG

April 3rd Degenkolb Forum Monthly Meeting

Meeting Notice

SEAONC South Bay MeetingTue. April 24, 2007

Michael’s at Shoreline2960 N. Shoreline Blvd. Mnt. View

Registration Deadline: 12:00 p.m. April 19th (Details on page 2, reg. form on back of news)

Continued on page 2

SEAONC Strategic Plan vs. GodzillaDoug Hohbach, President

As an insert in this letter, you can find the SEAONC Strategic Plan, initiated during the previous Andy Merovich administration and com-pleted several months ago. Accom-panying it are near term and longer term implementation strategies. Many of the near term actions have already been implemented, including the publication of CQA Committee Welding Procedures Specification

DEGENKOLB FORUMThe ATC-58 Project

Development of Next-Generation Performance-based Design Guidelines

Ronald O. Hamburger, SEProgram Chair: Hamid Fatehi

Continued on page 2

Modern concepts of performance-based earthquake engineering originated in the mid-1990s, with the ATC-33 project and development of the seismic rehabilitation guidelines that would eventually be published as the ASCE 41 standard. Even before the ATC-33 project initiated, Califor-nia engineers had been practicing rudimentary approaches to perfor-mance-based design, attempting to assist clients by identifying the likely performance of buildings, in the form of probable maximum loss (PML) and risks to life safety, and designing some buildings with an in-tent that they could withstand strong earthquakes with limited damage. However, the ATC-33 concepts of quantified performance levels (Im-mediate Occupancy, Life Safety, Col-lapse Prevention) tied to quantified ground motion exceedance probabili-ties, introduced both a new paradigm and new excitement into earthquake engineering. Following the North-ridge earthquake, SEAOC responded with its Vision 2000 project, popular-izing the concepts of performance-based design and calling for the development of performance-based design procedures applicable not only to the evaluation and upgrade of existing buildings but also the design of new buildings.

Ten years after publication of the Vi-sion 2000, FEMA-273/274 and ATC-40

documents, the success of perfor-mance-based design in engineering practice is undeniable. Developers of structural engineering software have folded the performance-based design technology into their products; the State of California has formally ac-cepted the use of these procedures as acceptable means of designing upgrades for schools, hospitals and state-owned buildings and engi-neers around the United States have become familiar with nonlinear and performance-based design concepts. Some of the tallest buildings being constructed today are designed using the procedures contained in ASCE41 and similar performance-based de-sign criteria.

As successful as the present genera-tion of performance-based design criteria have become, they have several important limitations. First,

Presidents Column................. 1Degenkolb Forum................... 1YMF Spotlight.......................... 3South Bay Meeting................. 2SEAOC News............................ 4Rebuilding Together............... 6Business Forum........................ 7Seismic-Safety Advocates..... 7Sustainable Design.................. 8Job Forum................................... 9

SEAONC Degenkolb Forum Tuesday, April 3, 2007

The City Club155 Sansome St. 10th Floor

Registration Deadline: 12:00 p.m. March 29th (Details to the right, reg. form on back

of news)

In the April News:SEAONC Business Forum

There is no Business Forum for the month of April. Business Forum Chair Jim Mogannam asks that Members with suggestions about topics or possibls speakers, contact him at Mo@forell.com.

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Continued from page 1

Centennial Contribution

A Message from the President

document, the issuing of regular press releases, the installation of the long awaited web site calendar, the appointment of a newsletter editor (Grace Kang) and an improved and better coordinated with SEAOC, Ex-cellence in Engineering competition.

Also underway or almost complete is a Field Act White Paper and a YMF developed slide show on structural engineering. Also a sub-committee to the Existing Buildings Committee has been formed to develop a build-ing rating system for earthquake performance.

In case you were wondering, Godzilla is a symbol for the inertia a successful organization such as SEAONC can have. Implementation of a strategic plan requires counter-punching that inertia by taking the initiative to improve. A yearly revisit-ing of the plan is anticipated.

The Board welcomes your input, par-ticularly on this initial version.

“ Degenkolb Forum” Continued from page 1

there is no direct tie between the dis-crete performance levels and actual losses that may be incurred, making it difficult for owners and other deci-sion-makers to choose appropriate performance goals for projects. Per-haps more important, there is no way to judge the reliability of buildings designed to these procedures and no one knows whether their designs will be able to deliver the promised performance.

The Applied Technology Council is presently engaged in develop-ing next-generation procedures that address these issues. These next-generation procedures incorporate structural reliability approaches to express performance in terms of the probability of incurring specific dol-lar, downtime and casualty losses. The guidelines, presently being generated by the project team enable evaluation of existing buildings, design of new buildings or existing building upgrades, and development of PML, among other applications. Preliminary guidelines are presently

Note that the start time of the Monthly Dinner Meetings in San Francisco has been moved up 15 minutes to 6:15 - social reception be-gins at 5:30. In conjunction with the meetings being run more tightly, it is anticipated that dinner meetings will end 1/2 hour earlier on aver-age. We appreciate your timeliness. Thank you.

Earlier Dinner Meetings

being made available for precaution-ary use by the profession.

Biography

Ronald O. Hamburger, SE, is a Senior Principal with Simpson Gumpertz & Heger Inc. in San Francisco. A past-President of SEAONC, SEAOC and NCSEA, and past Board Mem-ber and Vice President of EERI, Mr. Hamburger has been an international leader in the development of per-formance-based design criteria and procedures. He was a member of the Vision 2000 committee, a key member of the ATC-33 and ATC-40 project teams, project director for the FEMA/SAC Steel project and since, 1997, has been the Chair of the Scientific Advi-sory Committee of the Pacific Earth-quake Engineering Research Cen-ter. Recently, Mr. Hamburger was appointed to the NEHRP Advisory Committee on Earthquake Hazard Reduction that advises the NEHRP agencies on national earthquake poli-cy. He is a past chair of the SEAONC Seismology and Existing Buildings Committees and presently chairs the Building Seismic Safety Council’s Provision Update Committee. Since 2002, he has served as project direc-tor for the ATC-58 project to develop next-generation performance-based seismic design criteria.

South Bay Meeting April 24th

APRIL 24TH, 2007 SOUTH BAY DINNER MEETING

Evolution of United States Building Code Ground Motion Criteria

By Charles A. Kircher, Ph.D., P.EPat Chow, South Bay Program Chair

As California looks to adopt the 2007 International Building Code in the very near future, come to the April South Bay Dinner Meeting to hear Charles A. Kircher present an overview of the ground motion criteria over the last 25 years, and to glimpse into the IBC future as ASCE 7-05 replaces the UBC as the primary source of seismic design require-ments for new buildings.

The seismic code ground motion cri-teria have improved significantly in the last 20 years. ASCE 7-05 ground motion criteria represents the best science and as the consistence crite-ria for the United States model build-ing codes. The ASCE 7-05 incorporat-ed spectral contour maps developed (and will be updated) by the United States Geological Survey (USGS).

Tax season will be over and this dinner meeting will provide nour-ishment for the taxed out body and mind. We look forward to see you at Michael’s at Shoreline, 2960 North Shoreline Boulevard, Mountain View.

New Members to SEAONC will now receive their first dinner meet-ing free*. Please pass the word on to anyone considering joining SEAONC. Please help us engage our new members at their first din-ner meetings! THANKS, The Membership Committee (*The dinner must be within the first two months of joining SEAONC)

New Member Perk

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marathon. Can you elaborate on your interests outside of engineering? Lucie: I did just complete my first marathon last year… I’ve only been running for a couple years but it’s completely addictive. I’m embarrass-ingly slow but I figure that means I can only get better! And I love to paint when I can find the time; I just had my first show this past year at my favorite coffee shop. Running and painting both help keep me sane.

YMF: Any closing thoughts or com-ments?Lucie: I’m really looking forward to this April’s RT project… I’m hop-ing a lot of people make it out this year! We’re really gearing up right now, and the big reward for me is to see it all come together on Rebuild-ing Weekend. People can find more information about RTSF at www.rebuildingtogethersf.org (and click on the Summer 2006 newsletter to see before and after pictures of SEAONC’s featured project from last year). If anyone would like to volunteer on Saturday April 21st or 28th, or donate to RT through SEA-ONC’s team, they can contact me at lfougner@degenkolb.com.

YMF Spotlight is a monthly article, high-lighting some of the talented young per-sonalities that characterize the SEAONC community. If you would like to nomi-nate a young engineer with an interesting perspective to share, please email Karl Telleen ktelleen@ruthchek.com.

YMF Spotlight: Lucie Fougner

By Becky Claassen

In this edition of the YMF Spotlight Series, Lucie Fougner shares about her life as a young engineer. Lucie is a Design Engineer with Degenkolb Engineers in Oakland, and has been with them since 2001 after graduat-ing from Cornell University with a BS in Civil Engineering. She also earned her MS in Structural Engi-neering from UC Berkeley in 2004. Something that sets Lucie apart from the average young engineer is her extensive involvement with the phil-anthropic organization Rebuilding Together San Francisco. Projects that the SEAONC team has managed in previous years include renovations of the Community Works facility, Gateway Charter School, and Dolo-res Street Community Center. As the co-chair of the SEAONC Public Affairs Committee, Lucie has helped SEAONC become more involved in this charitable organization.

YMF: Can you tell us something about your experience working at Degenkolb and some of the projects you are working on now? Lucie: Most recently, I’ve been work-ing on a nonlinear dynamic analysis of a steel moment frame hospital tower built in the 1960’s. We’re doing a detailed nonlinear analysis using Perform-3D, and proposing an alternative analysis criteria docu-ment. We’re optimistic about show-ing that the level of retrofit required is minimal to achieve a Life Safety objective. I’ve also been working on the retrofit of the Bancroft Library at Cal, which is a lot of fun because it means that I get to be back on cam-pus. We are adding concrete shear walls, and strengthening the slabs

and beams for heavy library stack loading by adding topping slabs to act compositely with the existing system, rather than by strengthen-ing with steel framing below. For both of these jobs, advanced analy-sis is allowing us to get the most out of our existing buildings.

YMF: What involvement have you had with SEAONC in the past? Any plans for staying involved in the future? Lucie: This year, Shane Gross and I are the chairs of SEAONC’s Public Affairs Committee. Previously, I’ve been involved with Continuing Ed and Public Affairs, but I decided to direct all my effort towards PA this year. Our primary objective is to fundraise for and organize SEAONC’s volunteers’ involvement in Rebuilding Together Weekend. Regardless of who chairs the Public Affairs Committee next year, I plan to stay involved in Rebuilding Weekend. It’s a great way to get to-gether with friends and colleagues from different companies and work towards a common goal.

YMF: Can you tell us a bit about the organization Rebuilding Together and the service project currently be-ing organized for SEAONC? Lucie: Rebuilding Together San Francisco (RTSF) is a fantastic nonprofit organization that started in response to the Loma Prieta earthquake and provides free home repair and renovation programs for low-income, elderly and disabled San Franciscans and for nonprofit and neighborhood facilities. The last weekend in April, RT volunteers pull together to complete projects all over the city. RTSF has come to depend on the SEAONC team because of the practical experience, special skills, and huge number of enthusiastic volunteers we bring to the job every year. This year, we’ll be overhauling a community center building on Treasure Island that houses a collaboration of 20 com-munity-based organizations that serve formerly homeless low-income families. This building is used for community meetings, a food pantry, and job training, and it needs our help.

YMF: I understand you are quite a talented artist and recently ran a

New Member Perk

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President’s Message

By Norman ScheelSEAOC President

The new era of the International Building Code (IBC) is upon us. The California Building Standards com-mission has adopted the IBC as the model code for California. Printing is scheduled to be complete on July 1, 2007 and the projected date when the new code will be in effect is January 1, 2008.

In anticipation of this, SEAOC has funded the preparation of 3 volumes of Structural/Seismic Design Manu-als (SSDM). Volume I and Volume II are currently available from ICC and Volume III will soon be in print. The SEAOC Seminars Committee is in the process of arranging for SSDM seminars to be presented through the four regional associa-tions. These are expected to take place in the spring and fall of 2007. These seminars will be used to pres-ent examples and problems from the new SSDM’s.

On February 10, 2007, the newly re-constituted SEAOC Code Committee met in Los Angeles. One of this com-mittee’s charges is to review code change proposals and recommend approval, disapproval or modifica-tion. These recommendations will then be submitted to the appropriate NCSEA committees as well as the IBC Structural Committee. Volun-teers are needed at the local level to serve on the regional association code committees to have a voice in the code development process for all our members.

The state Code Committee also has established an ad hoc Wind Subcom-mittee with the charge of proposing a code change to simplify the wind provisions in the 2006 IBC. The sub-committee met with the Washington and Oregon Structural Engineers Association’s Wind Committees in Portland in late February to try to form a consensus for this wind code proposal prior to moving on to NCSEA and IBC. The objective is to make the wind provisions we would be using very similar to those in the 1997 UBC.

The SEAOC Long Range Plan has called for the publication of a Journal of the Structural Engineers Associa-tion of California. At this time this journal is conceptual only and is envisioned to be under the direction of a 3 or 4 person Editorial Board. The content of the Journal is not intended to be technical only but to also contain a variety of other types of articles as determined by the Edi-torial Board possibly such as opinion pieces, key moments in the history of the profession, etc. The Journal content is not intended to compete or conflict with the Blue Book which remains the province of the SEAOC Seismology Committee.

And, finally, if you have not met the current SEAOC Board of Direc-tors, please see the sidebar column accompanying this article that lists the officers and board members. The Board meets four times per year with Executive Committee conference calls as necessary between meetings. The Board is charged with making policy decisions as to the directions to be taken by the association and assure that communication and coordination of program direction between the four regional associa-tions is maintained at a high level. This is one of the most dedicated and effective group of individuals it has been my pleasure to be affiliated with. Please feel free to contact Board members in your area with your questions, concerns or comments.

SEAOC News

SEAOC Frequently Asked Questions

How can I get the SEAOC discount on SEAOC-produced publications such as the new Structural/Seismic Design Manual series through the ICC bookstore?

Call ICC toll free at (888) 422-7233, extension 3221. The person at that extension knows the deal with SEAOC and will fulfill orders with the member discount. Orders will be taken from voice mail if she is not personally available.

How do I access the SEAOC web site secure section?

Enter ID “SEAOC” and password “SEA32OC” to access the information. The code is case sensitive – use capital letters.

How do I get information on state legislation that has been introduced and its status?

Updated bill summaries are posted on the SEAOC web site at seaoc.org on the home page. You can check this site from time-to-time to get the latest update on legislation of interest to the profession. If you wish to access a bill itself, its status, as well as all Califor-nia statutes and general information on the Legislature, go to web site leginfo.ca.gov and click on the appro-priate button on the home page.

How do I go about obtaining the entry package for the 2007 SEAOC Excellence in Engineering Awards Program?

The full package is on the SEAOC web site home page at seaoc.org and can be printed out.

When and where is the Structural Engineers World Congress 2007?

November 4 – 9, 2007, Bangalore, In-dia at Hotel Grand Ashok. Go to web site sewc2007.org for full information.

Where can I get information on the 2006 IBC, UMC, and UPC training sessions CALBO is offering?

The schedule and registration in-formation for the CALBO training sessions on the model code and state amendments is posted on the SEAOC web site at seaoc.org. This informa-tion can also be accessed through the web site at calbo.org/docu-ments/0650_0001.pdf. SEAOC mem-bers get the CALBO member rate.

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SEAOC February 10 Board Meeting Summary of Actions

Major actions taken by the SEAOC Board of Directors at the February 10 meeting include:• Reviewed and approved the De-cember 31 financial statement. • Received staff activity report covering period since last Board meeting.• Reviewed NCSEA report of activ-ity.• Discussed possible activities for the College of Fellows to undertake.• Acted to contribute $2500 to assist in sponsoring the 2007 Structures Congress in Long Beach on May 17 – 19, 2007.* Appointed a working group to re-view the current SEAOC committee structure and make recommenda-tions for the Board to consider.* Asked regional associations to rec-ommend a member to be appointed to the Seismic Safety Commission SE seat being vacated by SEAONC member Dan Shapiro.* Acted to approve a letter of com-mendation for all who have worked on the Blue Book over the years in recognition of their contribution.* Reviewed status of Long Range Plan progress. • Discussed ways and means of best pursuing enhanced earthquake hazard mitigation procedures.• Received progress reports from committee chairs on their Plans of Work.* In response to community colleges now being able to opt to conduct construction projects under either the Field Act or the California Build-ing Code, SEAONC is in the process of putting together a recommenda-tion to be submitted to DSA and the SSC outlining an appropriate design standard of care – this will be sub-mitted to this Board for review and approval at the June meeting.* BOPELS, at SEAOC/SEAONC’s re-quest, has agreed to release SE exam problems minus answers from 5 years ago with SEAOC devising the answers for presentation at SE exam review courses to enhance the value of these courses to the attendees.* Regional associations were urged to take the necessary steps to estab-lish procedures for awarding PDH’s

Officers

President

Norm Scheel(SEAOCC)Norman Scheel Structural Engineer

President-Elect

Jon Kiland(SEAONC)DASSE Design

Secretary

Andy Merovich(SEAONC)A.T. Merovich & Associates

Treasurer

Bradley T. Lowe(SEAOSD)Hope Engineering, Inc.

Past President

Daniel J. Novak(SEAOSC)Tetra Tech, Inc.

Directors

James Amundson(SEAOSD Past President)Hope Engineering

Doug Hohbach(SEAONC President)Hohbach-Lewin, Inc.

Structural Engineers Association of California

2006-2007 Board of Directors(Executive Committee members

in bold italic type)

for educational events using the SEAOSC program as a model.* Regional associations were asked to review Sections 5 and 6 of the SEAOC Policies and Procedures Manual in accordance with the review schedule and bring their recommendations to the June Board meeting.

The next meeting of the SEAOC Board of Directors is June 9 at the Sacramento Hyatt Regency.

Saif Hussain(SEAOSC President)Coffman Engineers, Inc.

Martin Johnson(SEAOSC Past President)ABS Consulting

Chris Kamp(SEAOSD President)SDSE

Bret Lizundia(SEAONC Vice President)Rutherford & Chekene

Brad Lowe(See Treasurer)

Matt Melcher(SEAOCC President)Lionakis Beaumont Design Group

Andy Merovich(See Secretary)

Brian Reil (SEAOCC Past President)Buehler & Buehler Structural Engi-neers

Fred Schott(SEAOSC President – elect)Fred Schott & Associates

StaffLee AdlerExecutive DirectorSEAOC

Be sure to make your reservations early for the 2007 SEAOC Conven-tion. Please visit www.seaocc.org/2007convention for more infor-mation and to register.

SEAOC News

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Save the Date: May 1, 2007

Rebuilding Together is THIS MONTH!

Save the date(s): Saturday, April 21st (prep day) and Saturday, April 28th (big work day)!!

Thank you to everyone who re-sponded to our previous requests for contributions! We still need your donations and now we need VOLUNTEERS! This is SEAONC’s sixteenth year of participation in this annual charity event. Rebuilding Together is a nationwide, non-profit organization that coordinates vol-unteers and sponsorship in an effort to renovate neighborhood facilities and repair the homes of low-income, disabled and elderly homeowners. This year we will be working on a Treasure Island community center housing twenty community agencies helping homeless and low-income people get back on their feet. The facility is used for meetings and job training and also houses a food pan-try. Rebuilding Together Contribu-tions are used to purchase tools and materials for projects.

Mark your calendars for Sat. April 28th. Volunteers are needed!!! We are sounding the call for all volun-teers, with or without any construc-tion experience. We are especially looking for those with construction experience, including home projects, who are interested in helping us lead a small construction team within the larger project. If you would like additional information or would like to volunteer, please contact Lucie Fougner at lfougner@degenkolb.com or Shane Gross at sgross@degenkolb.com or call (510) 272-9040. Please mail tax-deductible donations, pay-able to Rebuilding Together, to:

Rebuilding Togetherc/o Lucie Fougner Degenkolb Engineers 300 Frank H. Ogawa Plaza, Suite 450 Oakland, CA 94612

Thanks! Look forward to seeing you on April 28th!!

Pending Members Welcome New Members

SEAONC proudly announces the first annual Association Awards Ceremony in celebration of the 2007 Excellence in Structural Engineering Awards program.

This year the Association will celebrate 2007 Excellence in Structural Engi-neering Award recipients and their work at the May 1st, 2007 SEAONC Din-ner Meeting. Award recipients will be formally announced and invited to make a brief presentation and overview of their Awarded project entry. All are invited to this extraordinary event to celebrate and give recognition to those in the SEAONC membership demonstrating excellence in their work.

Associate

Tracy Leung, SOHA Engineers Design Engineer

Sylvie Petta, KPFF Consulting Engineers, Project Engineer

Michael Cardellini, DASSE Design, Staff Engineer Bill Wells, Peoples Associates Structural Engineers, Assistant Engineer Janey Chan, Peoples Associates Structural Engineers, Assistant Engineer

Life Member SE

Robert Okano, Peoples Associates Structural Engineers

Member

Linda Liang, Treadwell and Rollo, Inc., Senior Engineer

Timothy Lucido, Rutherford & Chekene, Staff Engineer, PE

Student

Amy Yip, Stanford University Graduate Student

Madeline Cunanan, San Francisco State Univ, Graduate Student

Associate

Townsend Brown, GFDS Engineer, Design Engineer

Joseph Rakow, Exponent Failure Analysis Associates, Engineer

Mauricio Escobar, Hohbach-Lewin, Inc., Staff Engineer

Mollye Mikula, Holmes Culley Structural Designer, /2nd year

Jessica Godinho, Hinman Consulting Engineers, Porject Engi-neer

Industry

Don Dolly, Foundation Constructors, Inc, President

John Rainone, Sullivan Kreiss, Inc Engineering, Team Leader

Student

Wai Hong Cheng, SF State University, Student

Hai Hua Lei, U C Berkeley, Student

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Seismic-Safety Advocates Join Forces to Aid San FranciscoOn February 24th, more than 150 engineers, architects and graduate students joined forces to conduct a block-by-block survey of San Francisco’s multi-unit residential wood-frame buildings, including the so-called “soft-story” structures located throughout the City that are potentially at risk during earthquakes.

These volunteers, organized by the Earthquake Engineer-ing Research Institute’s Northern California Chapter (EERI-NC) and the Structural Engineers Association of Northern California (SEAONC), collected data on struc-tures in downtown neighborhoods including the Mission, Haight-Ashbury, and Telegraph Hill. Their data will be used by City authorities to assess further the City’s vulner-able housing stock leading to mitigation strategies that will ultimately reduce the seismic risks posed by these build-ings. Joining the volunteers from EERI-NC and SEAONC were members of the San Francisco branches of the Ameri-can Institute of Architects (AIA), American Society of Civil Engineers (ASCE), and graduate students from UC Berke-ley, San Francisco State and Stanford University.

Soft-story buildings are those in which the first story is substantially more flexible than the stories above, typically due to multiple openings for garage doors and entrance ways. These structures perform poorly in earthquakes. In the 1994 Northridge Earthquake, 16 people were killed and 34,000 housing units were left uninhabitable by soft-story building collapses. Closer to home, in the 1989 Loma Prieta Earthquake, 2 lives were lost and 7,700 housing units were rendered uninhabitable due to soft-stories. In light of this, it is perhaps not surprising that a 2006 study by Kircher et al., prompted by the recent anniversary of the Great San Francisco Earthquake, concluded that soft-story wood buildings were among the most vulnerable building types when estimating losses due to a repeat of the 1906 event.

Last year, Assembly Bill 304 was signed into law by Cali-fornia Governor Arnold Schwarzenegger, allowing local governments to identify soft-story buildings as potentially hazardous to life and to establish local standards to retrofit them. Other California cities, such as Berkeley and Fre-mont, have surveyed their buildings but none has as large an inventory as San Francisco. The City’s Department of Building Inspection (SFDBI) staff has studied key neigh-borhoods, but it would take them months, or even years, to canvass the entire city.

This event provided a hands-on opportunity for seismic-safety advocates from varying backgrounds – structural and civil engineers, geologists, seismologists, architects, building officials and others – to work together to perform a great community service. What’s more, the exercise was an excellent learning experience for future post-disaster surveys. According to Ray Lui, Manager of SFDBI’s Struc-tural Safety and Emergency Planning Division, “Collect-ing reliable data efficiently and systematically is far easier before the big quake than afterward. Plus it can give us a chance to head off seismic hazards before they occur.” He should know. Lui coordinated SEAONC’s efforts for the State’s Office of Emergency Service (OES) Safety Assess-ment Volunteers (SAV) in New Orleans following Hurri-cane Katrina.

February South Bay Program Wrap-upConstruction of the New Stanford Football Stadium

By Pat Chow, South Bay Program Chair

Co-presented By Tim Stitt, Vance Brown Builders & C.S. Hwang, County of Santa Clara

Mr. Stitt and Mr. Hwang presented interesting facts about the new $100 Million Stanford Football Stadium to 45 SEAONC members and guests at the South Bay meeting. Mr. Stitt shared many photographs of the project, covering the period from the conclusion of the last football game the previous year to the completion of the stadium just before the first football game of the following year; a total of nine months!! Mr. Hwang further described the structural systems and the positive environ-ments that made this fast paced project possible.

Sampling of the facts includes the following:- Convince all contractors and sub-contractors that the sched-ule can be met- Demolition was completed in one week, one week ahead of schedule- The track around the stadium was left in place during con-struction for truck traffic- Parts of the stadium berm was conserved as historic; and to minimize excavation and disposition- Aluminum was salvaged for $180,000- First concrete was poured two weeks after start of construc-tion- Foundation for the bleacher was simple concrete piers – 400 pieces, 30 and 36 inch diameters, length ranging from 25 feet to 90 feet - Used fiberglass forms for the piers – 60 piers per week- Experienced a wet winter – mud and more rain- MSE walls were used to stabilize the remaining berm – quick and economical- 3-100 feet long tunnels were dug by a “wine cave guy” from the wine country- The Press Box exterior was constructed with window wash-ing equipment- Upper bleacher was design/build by a bleacher contractor- Press Box was designed by Middlebrook+Louie – SMRF with long tall columns- There is a 4 hour fire/area separation wall between the bleacher and the Press Box – this fire wall is an example of compromise and working together toward a common goal between the Applicant, Fire Marshal, Architect, and Plan Reviewer- The original score board had to be relocated - The project was originally budgeted at $30 Million, upped to $45 Million from the first estimate, and com-pleted at $100 Million- Names of Donor of $1 Million or more are prominently displaced in the luxury suites

The main themes that made this achievement possible remain to be - working with good communications; hav-ing good team members; make and approve changes on site; working with approved contractors and designers; and good participations from the governing agencies.

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2006-07 Committee Chairs

Business Forum James Mogannam 415/837-0700mo@forell.com

Bylaws J.E. Goudie925/399/5876jegoudie@cs.com

Construction Quality & Assurance Tim Hart 510/433-9370 hart@DASSE.com

Continuing Education Committee Natalie Tse 415/989-1004natalie-tse@kpff-sf.com

Disaster Emergency Services Steven Lew 415/957-2480slew@trseinc.com

Existing Building David Bonowitz 415/865-8034david.bonowitz@jud.ca.gov

Legislative David Wilson 415/834-2010 dwilson@cdengineers.com

Membership CommitteeKevin Mortonkmorton@hohbach-lewin.com

Professional PracticesJeff Taner 510/845-6600 jtaner@atmainc.net

Program Hamid Fatehi 415/957-9445 hamid.fatehi@arup.com

Program (South Bay) Patrick Chow 650/428-2860 patchow@rpse.com

Public Affairs Lucie Fougnerlfougner@degenkolb.com510/272-9040Co-ChairShane Grosssgross@degenkolb.com510/272/9040

Seismology & Structural Standards Mark Moore 415/568-4433mmoore@ruthchek.com

Sustainable DesignAlan Kren 415/568-4433akren@ruthchek.com

Transportation Structures CommitteeMark Ketchum 415/989-4135mketchum@opacengineers.com

Website Darrick Hom 510/910-4142 dbhom@structvis.com

Younger Member Forum Heinz Kuo415/568-4433hkuo@de-simone.comCo-Chair Scott Henderson scott.henderson@kpff-sf.com

Sustainable Design: Some Frequently Asked Questionsby Lindsey Maclise, Lisa Minakami, Townsend Brown, Sarah Vaughan, Alan Kren, Sustainable Design Committee Members

A colleague recently asked two ques-tions relating to sustainable design, both prompted by projects he was working on. The first was “What risk is there in using fly ash in concrete due to the heavy metals in fly ash?” His client had heard that fly ash con-tained heavy metals and was worried that using it as a substitute for cement in concrete posed a health risk. The second concerned using salvaged wood timbers and the affect fatigue has on the strength and stiffness char-acteristics of the salvaged timbers. As one tenet of sustainable design is to recycle and reuse, both questions were appropriate subjects for research by the Sustainable Design Committee. What follows is what we learned.

Fly ashes contain minute amounts of arsenic, chromium, lead, titanium and other heavy metals. The amount of heavy metals contained in a particular fly ash varies on the type and source of the fly ash. There is concern on the presence of these metals on the possible impact to human health when used in HVFA Concrete. Stud-ies on the possible toxicity of HVFA were conducted at the University of Aachen, Germany, and by Zhang, Blanchette, and Malhotra at CANMET (Canadian Center for Mineral and Energy Technology), Canada. Both studies show that when fly ash was used in good quality concrete the amount of heavy metals that leached from the concrete were either unde-tectable or well below the prescribed limits for unsafe drinking water. In general, less than 1% of the heavy metals contained in the fly ash were detected to leach out of the concrete. A 30% and 60% Fly ash mix were both tested, with similar results. Based upon the results from the testing there is a relatively low risk of heavy metal contamination to humans or the sur-rounding environment when fly ash is used in good quality HVFA concrete.

More detailed information is in the reference paper by Malhotra, V.M., Mehta, P.K., “High-Performance, High-Volume Fly Ash Concrete: Mate-rials, Mixture Proportioning, Proper-ties, Construction Practice, and Case Histories”; Supplementary Cementing Materials for Sustainable Develop-ment Inc., Ottawa, Canada, August 2002, pp. 8-10.

Timber bridges, many of which are over 40 years old, comprise about one-third of the inventory of Class I freight railroads. In 1998, the Trans-portation Technology Center, a sub-sidiary of the Association of American Railroads, teamed with Texas A&M University to generate fatigue data for use in assessing the performance and reliability of existing bridges under heavy axle loading. Cyclic tests were performed on 45 new solid sawn stringers. Test results indicated that while horizontal shear was the most common failure mode, beams failed at shear strengths higher than the allow-able values defined by the AREMA (The American Railway Engineering and Maintenance of Way Association) Manual for Railway Engineering. It was also observed that cyclic load-ing caused the incremental growth of pre-existing checks, which eventu-ally led to horizontal shear failure. A beam having several large checks at mid-depth was found to be more del-eterious than one having numerous smaller, evenly distributed checks.Those wishing more information are directed to the reference paper at www.arema.org/eseries/scriptcon-tent/custom/e_arema/library/2001_Conference_Proceedings/00020.pdf

Wood structures in general are subject to decay, fatigue cracks, porosity, and other defects that can undermine the timber’s strength. A study to improve non-destructive evaluation techniques of salvaged timber was performed by Washington State University, in col-laboration with USDA Forest Products Laboratory and the Federal Highway Administration. Effective methods of accessing the mechanical integrity of timber using ultrasound inspection, radiography, and vibration analysis were developed and improved upon.More information is in the reference paper by Emerson, R.N., (1999) “Non-destructive Testing of Large Bridge Timbers”, Forest Products Society, Proceedings of the 11th International Symposium on Nondestructive Test-ing of Wood, Madison Wisconsin, September 1998.

The Sustainable Design Commit-tee expects that structural engineers have questions regarding sustainable design. Feel free to ask any member of the committee your question, or email Erik Kneer, committee vice-chair, at EKneer@degenkolb.com. The committee will do its best to answer questions as best it can. Refer to the committee’s webpage on the SEAONC website for these questions, responses, and supporting references.

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Biggs Cardosa Associates has immediate openings in our San Jose, San Francisco and Oakland, CA offices! Are you interested in a long-term career with an exciting and growth-oriented firm? In San Jose, we are looking for three Senior Engineers or Project Managers (one with min. 10 years experience in building design and Califor-nia SE required; and two with min. 10 years experience in bridge design and California CE required). In Oakland, we are looking for Project Engineers or Staff Engineers, and a Senior Engineer or Project Manager with a min. 10 years experience in build-ing and/or bridge design (California CE is required, SE is preferred). Please email your resume to mharms@biggscardosa.com. Find out more about our firm at www.biggscardosa.com. EOE.

DASSE Design, recognized again by Structural Engineer Magazine as one of the best SE firms to work for, has open-ings in Oakland for talented Staff and Project Engineers interested in diverse and technically challenging building structures. Our work includes new con-struction and retrofit, in education, health care, civic and life sciences. Requirements are BSCE (MSCE preferred), 2-10+ years relevant design experience; DSA or OSHPD experience a plus. PE or SE license required for Project Engineers. Position requires strong technical and communication skills, with a desire to grow in a professional environment. Email resume with cover let-ter to William Andrews, andrews@dasse.com Visit us at www.dasse.com.

Degenkolb Engineers is looking for tal-ented engineers to join our San Francisco team. As recognized leaders in seismic engineering, we offer a diverse, challeng-ing mix of projects on new and existing structures. We offer an excellent salary and benefits package. Currently, we are look-ing for engineers with a M.S. in Structural Engineering with 0-3 years of experience. Experience in structural/seismic engineer-ing analysis and design of buildings is a plus. Please see our website at www.degenkolb.com. EOE. To apply, send a narrative letter about yourself with your current resume to malley@degenkolb.com or to Degenkolb Engineers, Attn: James Malley, 225 Bush Street, Suite 1000, San Francisco, California 94104.

DESIMONE Consulting Engineers, a leading national structural engineering firm with a staff of more than 160 em-ployees, has immediate openings in our growing San Francisco office for engineers at all levels, especially experienced Project Managers and Project Engineers. Presently, we are designing a diverse mix of interest-ing and technically challenging projects, including museums, resorts, and residen-tial projects, along with several high-rise buildings ranging up to 75 stories. Ideal candidates should have strong technical, management and communications skills, with a PE license (preferred). We offer a competitive benefits package, coupled with a dynamic work environment. Additional opportunities are available in our New York, Miami, New Haven and Las Vegas

offices. Please send your resume via e-mail to rpolivka@de-simone.com.

Forell/Elsesser Engineers, Inc Are you look-ing for that “dream job” that will allow you to work in a dynamic downtown San Francisco office with a collaborative, fun group of engineers on some of the most challenging and exciting structural and seismic projects in California and around the world? If so, Forell/Elsesser Engineers, Inc. is eager to hear from you! Named in 2004 as one of the top 15 Best Structural Engineering Firms to Work For in the United States by Structural Engineer Magazine, Forell/Elsesser Engi-neers, Inc., is seeking talented engineers to be members of our team. Join an exciting and thoughtful team in a dynamic work environment that actively encourages and supports individual professional growth through ongoing education, training, and mentoring. Our firm offers a competitive compensation package that includes major medical, dental, vision, life/disability in-surance, 401(k) match, profit sharing plan, incentive compensation plan and a flexible spending account. Find out more about Forell/Elsesser at www.forell.com Please contact Mason Walters at (415) 837-0700 or send resumes to Mason Walters, Forell/El-sesser Engineers, Inc., 160 Pine Street, 6th Floor, San Francisco, CA 94111 or e-mail mason@forell.com

FULCRUM STRUCTURAL ENGINEER-ING has an opening for a full-time project engineer/manager to join our growing SOMA firm. Varied projects include chal-lenging custom residential, commercial, public buildings and historical retrofit and restoration. Applicants must have 5-10 years of experience in structural detailing and preparing construction drawings for build-ings, knowledge of CA/field observation and excellent communication skills. Professional engineering license preferred. Masters de-gree in Structural Engineering a plus.We are looking for someone who can run projects from start to finish as a project man-ager or ready to step up to a project manager position. Excellent salary and benefits pack-age. Email resumes to careers@Fulcrumse.com or fax 415-543-0162

H. D. Rueb, Structural Engineer, a medium size firm located in Pleasant Hill, has been providing structural engineering services for the past 35 years. We are currently seeking a self-motivated project engineer/manager with 5 years minimum experience who is looking for growth opportunity working on various building types. Applicants must have CE license with SE and MS degree preferred. Job requires independent person with good communication skills to do project management and client interface. Applicants must be team players, work to meet deadlines and have concrete, masonry, steel and wood design experience. We offer an extremely competitive salary and benefits package. Learn more about us, and the position, at our website at www.hdrse.com. Contact us at: 360 Civic Drive, Suite F, Pleasant Hill, CA 94523 or Fax to (925) 825-9561 or email us at staff@hdrse.com

Jon Brody Structural Engineers is an award winning San Francisco firm with a reputation for design creativity and a high level of pro-fessional service. We work on a wide variety of new and retrofit project types, with a focus on the integration of structural require-ments with architectural design objectives. Committed engineers with strong design, analytical, and interpersonal skills and min. 2 years design experience in CA are encour-aged to apply for Structural Designer, Project Engineer and Project Management positions on our team. Please e-mail resume/cover letter to inquiries@jonbrody.com.

KPFF Consulting Engineers is seeking Project Engineers & Project Managers for full time employment. Applicants must be motivated and possess excellent written and verbal skills. KPFF offers our employees an environment that supports personal growth, education and training, and the freedom to pursue individual career goals. If you have at least 5 years of design experience, a PE license, an advanced degree in structural engineering, and an interest in Structural Design, we want to hear from you. Send cover letter and resume to KPFF 1160 Battery St., Suite 300, SF, CA 94111. EOE

Lawder Engineering-Structural designer/engineer position available with Modesto based structural engineering firm. Firm provides design services for a wide variety of projects including mid-rise buildings. Must have BS engineering degree, have good technical and communication skills, and be conversant with AutoCAD, SAP 2000, ETABS. Send resume to Lawder Engineering , PO Box 3206, Modesto, CA 95353 or fax to (209) 521-1581 or email to jobs@jhlawderse.com.

NISHKIAN MENNINGER SEEKS EXPE-RIENCED REGISTERED ENGINEER with 5 or more years experience in various types of structures; office buildings, high-rises, schools, multiple-tenant residential & other commercial projects, garages and seismic rehab. Resume & salary requirements to: 1200 Folsom Street, San Francisco, CA 94103 or e-mail: lnishkian@nishkian.com.

OLMM (www.olmm.com), an award-win-ning structural engineering firm, has im-mediate openings for SENIOR and PROJECT STRUCTURAL ENGINEERS in its Oakland office. The positions offer excellent oppor-tunity for professional growth and advance-ment. You will take charge of diverse and challenging projects in a motivating and collaborative work environment. We are seeking motivated individuals with PE or SE license and 3 to 10 years of experience in structural/seismic analysis and design of major structures in wood, concrete, and steel. We offer a generous compensation package including 401(k) plan with company match, profit sharing plan, incentive compensa-tion, and major medical, dental, vision, and long-term disability insurance. Please email resume to: sunil@olmm.com.

PARADIGM Structural Engineers, Inc., We are looking for talented Project Manager, Senior Project Engineers, Project Engineer and Staff Engineer level individuals to come join our dynamic and creative team.

Job Forum

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At PARADIGM, we work in a collaborative environment which focuses on developing you as a professional while producing some of the most innovative design solutions for our clients. Now is the time to take control of your future and make a “PARADIGM Shift!” Visit us at www.paradigmse.com and see how your qualifications and talents can help you become a contributing member at PARADIGM. Send resume and cover letter to jchislett@paradigmse.com or fax Jennifer at (415) 362-8945.

RPSE Seeking Resumes for Structural Engi-neers:Rinne & Peterson Structural Engineers (RPSE) seeks and executes diverse, challeng-ing projects. Are you customer-focused, detail-oriented, flexible, with great commu-nication skills? Want growth opportunity, flexible hours, competitive salary, great benefits and superb working environment? Please send cover letter and resume to Hu-man Resources, via fax at 650.428.2861, or e-mail HumanRes@rpse.com.

Rutherford & Chekene, internationally recognized as a leader in structural and seismic engineering, has multiple career op-portunities in response to our considerable backlog of prestigious projects. Positions involving innovative structural design and analysis are currently open to engineers and designers with the following levels of experience who want to become part of our dynamic and collaborative team: - Structural Project Manager/Engineer with 3+ years of relevant experience and strong analytical, detailing, and communication skills (pro-fessional registration highly desirable), and - Structural Designer with strong academic background, demonstrated interest in the profession, and willingness to learn (M.S. degree in structural engineering or B.S. de-gree from a 4-year architectural/structural engineering program preferred). If you wish to apply for one of these positions or learn more about them, please contact Peter Rev-elli by phone at 415/568-4400 or E-mail at prevelli@ruthchek.com. Also visit our web site at www.ruthchek.com.

Structus Interested in working on diverse, challenging projects in a congenial environ-ment without office politics? Structus, a small, award winning structural engineering firm in the San Francisco Financial District is looking for self-motivated professionals with experience in structural design/analy-sis/PM. Projects range from mid-rise edu-cational/residential-mixed-use buildings to water/waste water and transportation facilities. Minimum Qualifications: 1 – 10 yrs. experience for Engineers (MS required with less than 5 yrs. experience); 10 – 20 yrs. experience for Project Managers. Fluency in English is essential. We offer excellent compensation/benefit package. E-mail re-sume to henry@structusinc.com or Fax to: 415.399.8966, Attn: Don Chappell.

Tipping Mar + Associates seeks an ener-getic, creative individual to join the staff of a dynamic, emerging structural engineering firm. If you have imagination in addition to technical expertise, and would enjoy work-ing in early collaboration with architects and contractors to provide exceptional seismic

and sustainable design, please send a resume and cover letter to Tipping Mar + associ-ates, 1906 Shattuck Avenue, Berkeley, CA 94704; fax to 510-549-1912; or e-mail steve.tipping@tippingmar.com.

Walker Parking The Project Engineer will take a lead role in developing and preparing documents for project designs. Project En-gineer responsibilities include performing structural engineering work requiring use of conventional engineering practices, plans, investigations, surveys, and structures or equipment. The prospective candidate shall have knowledge of concrete design and have the ability to lead the assembly of contract documents. Experience in the design of post-tensioned concrete structures is desired. Computer skills (CADD included), written and oral communication skills are required. Must be able to work in a team environ-ment. Minimum acceptable requirements: qualified candidate shall be a registered professional engineer (or have the ability to become registered within one year), possess a BSCE degree, and have a minimum of 5 years of experience. Send resume to sanjay.pandya@walkerparking.com

Watry Design, Inc. is looking for just the right individuals to join our highly skilled team of architects, engineers and parking consultants. Are you interested in forging new territory? Our firm is doing just that . . . We currently have openings for entry to mid-level structural designers who would like to work for clients such as Pixar, Stan-ford, BART, Kaiser, IKEA and Marriott. Email resumes to jobs@watrydesign.com or fax 650.298.8151.

ZFA STRUCTURAL ENGINEERS has an immediate opening in San Francisco for a Design Engineer with 4 to 8 years experience in structural design and analysis. Join a team that is dedicated to growth with unlimited opportunities for motivated individuals. Minimum quali-fications: B.S. degree in civil engineering with a structural major. Excellent salary, 401K, semi-annual bonuses, vacation and benefits package. Contact Principal; Dr. Ahmad Issa: AhmadI@zfa.com or 415-243-4091.

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