23RD ANNUALEXCELLENCE he National Council of Structural Engineers Associations (NCSEA) on each individual project. The preliminary round was performed Tis pleased to publish the winners of the 2020 Excellence in by NCSEA Past Presidents and the final round by NCSEA’s Awards. The awards were announced during Northeast Coalition with engineer judges from Connecticut, Rhode NCSEA’s 28th annual Structural Engineering Summit, which was held Island, and Massachusetts. The judges had an enormous task virtually this year. A video of the presentation can be found on the of trying to determine winners. The level of challenges requiring NCSEA website. Given annually since 1998, each year the entries innovation and creativity was impressive. The group of winning highlight work from the best and brightest in our profession. projects is outstanding.” Awards were given in eight categories, with one project in each Please join NCSEA and STRUCTURE magazine in congratulat- category named the Outstanding Project. The 2020 Awards ing all the winners. More in-depth articles on several of the 2020 Committee was chaired by Carrie Johnson (Wallace Engineering winners will appear in the Spotlight section of the magazine Structural Consultants, Inc., Tulsa OK). Ms. Johnson noted: “We over the 2021 editorial year. Visit the NCSEA website had two rounds of judging to allow the judges more time to focus (https://bit.ly/2IYbDb8) for more! OUTSTANDING PROJECTS

Category 1: New Buildings under $30 Million Category 2: New Buildings $30 Million ICE Block I to $80 Million Sacramento, CA | Buehler Casa Adelante ICE Block I is one of the first projects in Northern California to utilize San Francisco, CA | Mar Structural Design an exposed mass timber structure. The building blends three structural Casa Adelante is a seismically resil- materials seamlessly: ient, nine-story affordable housing mass timber at the project for low income seniors. The upper floors, concrete specially “tuned” reinforced-con- podium at the second crete building uses self-centering floor, and Buckling walls on a rocking mat foundation. Restrained Braced Lead extrusion dampers within Frames. The fourth the foundation control the seis- floor “mezzanine” mic response. The building has provides expansive been evaluated to have zero days of views through a glass downtime for repair after a major curtainwall. earthquake.

Category 3: New Buildings $80 Million to $200 Million Category 4: New Buildings over $200 Million International Spy Musuem The Academy Museum of Motion Pictures Washington, D.C. | SK&A Los Angeles, CA | The International Spy Museum is a 130,000-square-foot, distinc- The project consisted of a museum plus a soaring spherical addi- tively designed steel building. The design incorporates exposed, tion housing a 1,000-seat theater. The original steel and concrete sloping columns along structure required the south and west seismic strengthen- faces that are part of ing in addition to its the building’s gravity major renovation. For load carrying system the 150-foot-diameter and support an intri- orb-shaped theater, an cate series of exposed unusual base-isolation steel monumental system allows move- stairs and platforms ment 30 inches in any and a sixty-foot-tall direction during an glass “veil.” Courtesy of Alex Nye earthquake.

18 STRUCTURE magazine in STRUCTURAL ENGINEERING AWARDS 2020 PANEL OF JUDGES Preliminary Round – NCSEA Past Judges Bill Bast, S.E., LPI, Inc.; Craig Barnes, P.E., CBI Consulting Inc.; Marc Barter, P.E., S.E., SECB, Barter & Associates, Inc.; Mike Tylk, S.E., TGRWA, LLC; Ron Hamburger, S.E., Simpson Gumpertz & Heger, Inc.; Barry Arnold, S.E., P.E., ARW Engineers; Ben Nelson, P.E., Martin/Martin; Tom DiBlasi, P.E., SECB, DiBlasi Associates, PC; Tom Grogan,P.E., Retired; Vicki Arbitrio, P.E., Gilsanz Murray Steficek LLP; Carrie Johnson, P.E., Wallace Engineering Structural Consultants, Inc.; Jim Malley, S.E., Degenkolb Engineers; John Joyce, P.E., Engineering Solutions LLC; Sanjeev Shah, P.E., Esq., Shajeev Shah, Inc. Final Round – NCSEA’s Northeast Coalition from Connecticut, Rhode Island, and Massachusetts Bassem Almuti, P.E., Cannon Design; Bruce Richardson, P.E., The DiSalvo Engineering Group; Craig Barnes, P.E., SECB, CBI Consulting; Erik Nelson, P.E., S.E., Structures Workshop; Graham Carr, P.E., Vital Structures, LLC; Han Xu, P.E., Thornton Tomasetti; James Fox, P.E., BVH Integrated Services; Kevin Chamberlain, P.E., S.E., Distefano & Chamberlain; Mark Rodriguez, DiBlasi Associates; Michael Fillion, P.E., S.E., Fillion Group; Rick Boggs, P.E., S.E., SECB, Fuss & O'Neill; Robert Kane, EIT, McNamara Salvia; Ben Nelson, P.E., Martin/Martin OUTSTANDING PROJECTS

Category 5: New Bridges or Transportation Structures Category 6: Forensic / Renovation / Retrofit / Rehabilitation Structures < $20 Million Dublin Link Pedestrian Bridge West Virginia State Capitol Building Dublin, OH | Endrestudio Charleston, WV | WDP & Associates Consulting Engineers, Inc. The Dublin Link Pedestrian Bridge was conceived simultaneously Repairs to address the structural deficiencies of the historic inner as a sculptural form, an efficient structure, and a dramatic expe- dome and interior supporting walls of the West Virginia State rience for Dublin’s Capitol Building visitors and residents were designed to alike. Its features of the strengthen portions of Eye of the Needle cen- the existing structure. tral pylon, sinuously Supplemental supports curving deck, and preserved integrity unusual single-sided while supporting the suspension method dome in place as the create a unique and walls beneath were structurally innovative completely removed Courtesy of Cory Klein bridge. and rebuilt.

Category 7: Forensic / Renovation / Retrofit / Rehabilitation Structures > $20 Million Category 8: Other Structures Google Spruce Goose Mackinac Bridge Paint Platforms Los Angeles, CA | Arup Mackinaw City, MI | Ruby + Associates, Inc. By rehabilitating and seismically upgrading the existing timber Unique platforms allowed for removal and collection of original Spruce Goose aircraft hangars to current code requirements, the lead-based paint and repainting of the Mackinac Bridge’s towers. buildings have been Traveling along cables, transformed into a davit-like “outriggers” modern office. Retrofits supported two-story included the use of up movable structures to 52-inch self-tapping to paint the towers’ wood screws, heavy upper portion. A steel (multi-tier) braced second platform, frames, and steel tie consisting of steel box rods to limit deforma- , was used for tions under seismic the struts connecting loads. the tower legs.

DECEMBER 2020 19 AWARD WINNERS

CATEGORY 1: NEW BUILDINGS UNDER $20 MILLION

Wagner Education Center Seattle, WA | KPFF, Inc. The Wagner Education Center establishes a new front door for the Center for Wooden Boats. The dra- matically exposed structure, simple yet evocative materials, and energy-efficient design solve the challenges presented by a limited budget and restrictive site.

CATEGORY 2: NEW BUILDINGS $30 MILLION TO $80 MILLION

Apple Park Visitor Center Cal Poly Pomona Student Services Building Cupertino, California | Nabih Youssef & Associates Pomona, CA | John A. Martin & Associates, Inc. A large column-free space dominates the Apple Park Visitor Center. The The 138,400-square-foot Student Services Building is comprised of two extremely transparent building structures separated by a spacious is enclosed by a twenty-foot-tall breezeway. A streamlined, undulat- perimeter glazing system and cov- ing serves an essential role in ered by a thin curved carbon-fiber passive solar design. The engineer’s roof deck. The building utilizes process decreased costs, increased a novel post-tensioned steel roof speed, and delivered structure. Courtesy of Bill Timmerman a sustainable campus icon.

North Surrey Sport & Ice Complex Surrey, BC, Canada | StructureCraft Builders Inc. This new 134,000-square-foot complex features three ice arenas with curved, long-span hybrid-timber roofs and provides venues for lacrosse, basketball, and trade shows. Centrally located near transit, the Courtesy of Calvin Owen Jones building is part of an effort to rejuvenate this up and coming area.

CATEGORY 3: NEW BUILDINGS $80 MILLION TO $200 MILLION

Charles Library, Temple University University of Michigan Biological Sciences Building Philadelphia, PA | LERA Consulting Structural Engineers Ann Arbor, MI | SmithGroup The architect’s vision demanded a dynamic and innovative structural Integrating science education with innovative research space and an system, employing a combination interactive museum, the vision of large cantilevers and long-span was to bring science to life by arches. The 4-story library features putting active research on display a building-wide green roof, a 3-D and encouraging interactions printing workshop, an automated between scientists and visitors. book storage and retrieval system, The design encourages visitors and more. to explore science in new ways.

CATEGORY 4: NEW BUILDINGS OVER $200 MILLION

W Hotel Tower New Stanford Hospital Bellevue, WA | Cary Kopczynski & Company Palo Alto, CA | Nabih Youssef & Associates The 41-story W Hotel Tower caters to every The base-isolated New Stanford need. The structure incorporates North Hospital represents the latest in America’s largest use of a seismic design inno- seismic resiliency technology, one vation recently pioneered by the Engineer of of the first to use Triple Friction Record. The combined success of the archi- Pendulum isolation bearings. tecture and structure makes the W Hotel A base-isolated steel moment Tower an outstanding example of contem- Courtesy of Bruce Damonte frame structure was designed for porary building design and construction. Functional Recovery performance following a major seismic event.

20 STRUCTURE magazine CATEGORY 5: NEW BRIDGES OR TRANSPORTATION STRUCTURES 707 Fifth - Manulife Place Pedestrian Bridge LaGuardia Airport Pedestrian Bridge B Calgary, Canada | Skidmore, Owings & Merrill East Elmhurst, NY | HOK 707 Fifth – Manulife Place Pedestrian Bridge’s elegant Relying on concourse islands to increase efficiency and trim years structural system, known as a suspended lenticular , improves off the construction schedule, and using cutting-edge parametric connectivity within the down- optimization, 450-foot-long town core. The new link provides bridge trusses were proposed that a seamless connection to adja- surpassed vibration requirements. cent buildings while managing Construction-staging strategies subgrade conditions, installation minimized cost and facilitated sequences, and non-structural erection with precise deflection Courtesy of Tom Harris coordination. predictions.

CATEGORY 6: FORENSIC / RENOVATION / RETROFIT / REHABILITATION STRUCTURES < $20 MILLION

First Unitarian Society Meeting House Napa County Historic Courthouse Madison, WI | Pierce Engineers Napa, CA | ZFA Structural Engineers The under-designed center-hinged arches of this National Historic The jail portion of the Napa County Historic Courthouse was Landmark settled significantly demolished in 1977. A new over the years. Pierce Engineers Administrative Annex was built designed a pretensioned cold- as infill between the remain- formed/steel hybrid truss that ing Courthouse and the Hall could be installed to take load off of Records buildings to create a failing trusses without the use of single-occupancy space between shoring to transfer load. the three separate structures.

28 Liberty Street New York, NY | Shmerykowsky Consulting Engineers Renovation of the sub-cellar floors included a new inter-floor escalator opening connecting five floors. This involved the simultaneous removal of two axially-loaded floor framing members on two levels and the redistribution of their axial loads via a new double truss system.

CATEGORY 7: FORENSIC / RENOVATION / RETROFIT / REHABILITATION STRUCTURES > $20 MILLION Yotel Stanley A. Milner Library Renewal San Francisco, CA | Holmes Structures Edmonton, Canada | Fast + Epp Yotel San Francisco, a survivor of the great 1906 and Loma The transformation of the existing monolithic concrete façade was Prieta earthquakes, required a accomplished through a complex full seismic retrofit. Engineering truss system that cantilevered challenges included designing to from the existing structure to high forces, strengthening the transform the building’s shape. frail existing structure within Other features included a new tight spaces, and rising to unfore- lateral system, a reading ramp, Courtesy of BAR Achitects seen construction challenges. and enhanced open spaces.

CATEGORY 8: OTHER STRUCTURES Coastal Wall at Northwestern University Cayton Children's Museum Courage Climber Evanston, IL | SmithGroup Santa Monica, CA | Holmes Structures Northwestern University’s Ryan Fieldhouse and Walter Athletics Center To evaluate the complex geometric shape of this 1,500-square-foot required an innovative solution. To tensile structure, a parametric maximize available land, the team form-finding tool was utilized created “virtual” land by cantilever- to assess the distribution of loads ing the building to Lake Michigan’s with the use of a non-linear mesh edge. SmithGroup designed a of cable elements. The building’s curved coastal wall to withstand roof was also strengthened to dynamic waterfront conditions. Courtesy of Paul Vu accommodate the climbers.

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