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Multnomah County Central Courthouse hero image

A New Home for Justice Rises in Downtown Portland, Built by a Highly Diverse Workforce

Multnomah County Central Courthouse

On a busy downtown site, Hoffman is completing the new 17-story tower that will accommodate the essential functions needed in a modern courthouse serving Oregon’s most populated county. The new 460,000 SF courthouse will house 44 courtrooms, the DA’s office, judges’ chambers, and secure holding for detainees. The lobby includes three-story board-formed concrete columns and a steel and glass staircase; 10 elevators are required throughout the building.

The lobby of the new Courthouse includes three-story board-formed concrete columns and a steel and glass staircase; 10 elevators are required throughout the building. The curtain wall is comprised of limestone from Spain and point-supported glazing. The building is designed to retain functionality after a Cascadia Subduction Zone seismic event, with the shafts extending 70 feet below the basement, a PT structure, and viscous dampening devices throughout. Hoffman’s scope also includes renovation of a three-story historic structure. The existing Multnomah County Courthouse, over 100 years old, was deemed seismically unsafe and structurally obsolete.

Challenge

How can a major public project serve as a chance to maximize opportunities for firms owned by minorities, women, and other disadvantaged business owners?

Solution

Multnomah County and Hoffman established a goal of awarding a minimum of 20 percent of the contract value to State-certified minority and small business firms. Using active outreach, mentoring, and networking, the construction team surpassed the goal. A key element was promoting successful partnerships between small and large firms. At approximately 70% completion the project is tracking over 30% participation from businesses owned by minorities, women, service-disabled veterans, and emerging small businesses. The contracts awarded to those firms totals more than $64 million.

Contract Type

CMGC, GMP

Client

Multnomah County

Architect

SRG Partnership

Location

Portland, OR

Year

2020

Price

$324,500,000

Sustainability

LEED Gold

Project Story

Integrated Project Delivery

The Courthouse design team was co-located with the client and the architect, SRG Partnership, throughout the design and construction process. Hoffman’s estimators were involved in the intimate details of the design and concept from early on, allowing them to understand where the budget for the project was heading. Estimators gained trust by listening and providing fact-based feedback in regard to cost and constructability. Often this avoided investing design time into designing something that was over budget or was non-constructible. This also provided insight into what was important to the owner such that we were able to guide budget decisions on where they could cut some cost to keep a higher dollar item in the project.

Integrated Project Delivery image
Integrated Project Delivery image

Early Trade Partner Involvement

As part of the project’s Integrated Project Delivery (IPD) approach on the Multnomah Country Central Courthouse, key subcontractors joined the team early as Trade Partners. Having Trade Partners helped us to do BIM early and build full-scale mock-ups for early owner and stakeholder review. These included HVAC, Electrical, Structural, Instrumentation & Controls, Millwork, Walls and Ceilings, Security, and Facade.

The wide range of Trade Partner disciplines also allowed Hoffman leverage to further increase diversity on the project. Under the IPD model, Trade Partners, subcontractors, and lump sum bidders each have their own contractual DMWESB goals and requirements. Hoffman worked closely with each Trade Partner in the Big Room to develop strategies to break scopes of work into smaller pieces that would match the capabilities of each DMWESB firm. Hoffman coordinated the DMWESB among all the Trade Partners to help spread the work out among all the DMWESB firms that wanted to participate.

Hoffman Green Dot Training: Making Construction More Inclusive

Making construction sites more welcoming, especially for female and minority workers and apprentices, is an important part of our efforts to increase diversity on our projects. Hoffman is taking a proactive approach to this issue at the Multnomah County Courthouse by partnering with Green Dot, an organization that began on college campuses, high schools, and military bases to help combat harassment, hazing, and bullying. The Green Dot program focuses on measurably and systematically reducing power-based aggression by training community members to engage as reactive and proactive bystanders. It provides workers with a clear understanding of who they can turn to on a jobsite if they feel they’ve been mistreated or have noticed such behavior.

Hoffman Green Dot Training: Making Construction More Inclusive image
Hoffman Green Dot Training: Making Construction More Inclusive image
Hoffman Green Dot Training: Making Construction More Inclusive image
Hoffman Green Dot Training: Making Construction More Inclusive image

Hoffman is helping to develop a pilot program at the Courthouse, Green Dot for the Trades, in partnership with Oregon Tradeswomen. Portland State University is providing pre- and post-program evaluation. This is the first time any contractor in the US has implemented a Green Dot-certified program for the trades on a construction project. Green Dot for the Trades has the potential to make our jobsites safer and more hospitable for women, minorities, and apprentices, and therefore more attractive for Certified Business firms.

I have three young daughters, who are 7‑year‑old triplets. When I brought them to the Multnomah County Courthouse I showed them these beautiful concrete columns in the lobby that I helped to build. I watched their little faces light up with awe. That was a proud moment for me. Heather Mayther Journey Carpenter

Mockups

To help the stakeholders and designers during preconstruction of Multnomah County Courthouse, the Hoffman team built a detailed mock-up of the planned courtroom configuration. The mock-up was constructed at one of Hoffman’s warehouses, and composed of modular, movable pieces, so we could demonstrate how the final components could be altered to provide mobility accessibility and varying technology types for the individual needs of each judge. We hired a MWESB contractor to build the mock-up, and they were able to get familiar with the scope of the work, so that they would be positioned to participate in construction of the actual building.

Mockups image
Mockups image

Sustainable Design Strategies

The building will achieve LEED Gold, with radiant floors and a rooftop solar array powering the building and offsetting energy costs for the adjacent Hawthorne Bridge. Using a holistic approach, the Courthouse project has sought to push the environmental sustainability limits in every aspect of its design. The uniquely composed façade coupled with the structural thermal mass is designed to capture the solar heat gain delivered by the morning sun.

A radiant hydronic loop embedded in the concrete floor absorbs the energy that falls on the slab and redistributes it to other public spaces, reducing building heating loads on a clear winter morning by up to 20%. Architecture 2030 targets will be achieved by combining limited glazing, a high-performance envelope, radiant heating and cooling systems for judge and staff offices, and a displacement system for the courtrooms and public spaces.

In addition to passive energy conservation strategies, the Courthouse will also feature an array of rooftop solar panels whose excess energy production will help offset the adjacent Hawthorne Bridge’s energy costs.

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