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When Vy Duong, an assistant field engineer with Turner Construction, was asked whether she would like to spearhead a Women in Construction Week event, she eagerly accepted.

Duong received a degree in civil engineering from the Colorado School of Mines in 2018, and then joined Turner Construction’s Portland office a year ago as an assistant engineer. She learned about the National Association of Women in Construction (NAWIC) and its annual weeklong celebration around the same time.

鈥淚 found out about NAWIC through some of my colleagues in the organization,鈥� she said. 鈥淎nd after that they were like, 鈥楬ey, you’re on a cool project; do you want to lead this tour?’ So I said, 鈥榊es, that sounds good.’鈥�

The 鈥渃ool project鈥� is the expansion of Adidas‘ North American headquarters in Portland’s Overlook neighborhood. There, two mass-timber buildings are being constructed along North Greeley Avenue.

On Wednesday, a group of around 15 women working in construction in the Portland area, and a few men too, joined Duong and others with Turner Construction at the Adidas campus.

鈥淧eople sometimes ask me why I decided to join Turner,鈥� Duong said. 鈥淎nd I think what makes me the most excited about Turner is that they support things like this. It’s been nothing but support.鈥�

The larger north building 鈥� with a hybrid structural system of precast concrete columns, heavy timber beams and cross-laminated timber panels 鈥� will be five stories and hold mostly office space, while the smaller south building 鈥� all heavy timber 鈥� will be three stories and provide amenities for Adidas employees.

鈥淚 think there’s a significant desire right now in the Pacific Northwest to utilize wood in structures,鈥� said Colin Foster, a Turner Construction superintendent working on the south building. 鈥淚 think it derived from the client, Adidas, saying we want to utilize resources from the Pacific Northwest in our new construction. So the design team’s challenge was: How do we do that? And we arrived at this.鈥�

Crews led by general contractor Turner Construction installed the final glulam beams and cross-laminated timber panels a little over a month ago. LEVER Architecture designed the buildings, KPFF Consulting Engineers performed structural engineering, and Interface Engineering handled mechanical, electrical and plumbing engineering.

Even some mass-plywood panels 12 feet wide by 48 feet long now cover an existing soccer field that is being used to host subcontractor job trailers, materials and deliveries. Sheets of plywood were laminated together to form a much larger piece of lumber.

鈥淲e laid this down to protect the existing waterproofing,鈥� said Andy Kavanaugh, a senior superintendent with Turner Construction. 鈥淭here are two inches of Styrofoam and these are two inches thick. We put this in last April and it’s almost been a year and it’s held up pretty well out in the weather with no protection.鈥�

The south building is being constructed an existing three-level parking garage below grade. Over three months of work was required to prepare the integration of the garage with the new building. This included reinforcement and thickening of existing columns, as well as driving 28 micropiles and pouring new footings for each of them.

鈥淲e poured new, huge footings on these piles and we took two-foot-diameter concrete columns that were there and we made them basically four feet with shotcrete and rebar cages all the way up,鈥� Foster said. 鈥淪o these columns (in each new building) land directly on the columns down in the garage.鈥�

A grand staircase dominates the entrance and lobby for the north building. It has three-ply CLT panels, unlike the five-ply panels in the south building. Also, the south building uses a structural steel building core with buckling restraint bracing for seismic resilience. The north building, meanwhile, uses precast concrete girders and beams for structural support, along with glulam beams and cross-laminated timber panels.

Over 700 CLT panels were used on the north building, Kavanaugh said.

鈥淭ypically we’d take four loads a day,鈥� he said. 鈥淭hey were stacked four to a truck. We had the glulams attached at the factory, so they all came out like a stack of Legos.鈥�

A Leadership in Energy and Environmental Design gold rating is being sought for the project. The team is looking to deliver the south building in May and the north building in October.

鈥淭hat’s definitely one of the highest priorities of Adidas,鈥� Duong said. 鈥淭hey told us that on time and on schedule and under budget is good, but if you don’t get LEED, then this project is a failure.鈥�