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Grant High School Modernization
Submitting Company: CBRE | Heery

Location: Portland
Cost: $158 million
Start Date: June 2017
Completion Date: July 2019
Owner/Developer: Portland Public Schools
Architect: Mahlum Architects
Engineer: KPFF
General Contractor: Andersen-Colas
Submitting Companies: CBRE | Heery
Subcontractors: A-Game Courts, Accurate Concrete Cutting, Advanced Equipment, Alternative Surfaces, American Direct, Amodeo Structural Engineering, Apollo Mechanical Contractors, ASI Structures Concrete, Azimuth Communications, Barclay Dean, BMS, Brix Paving NW, Carr Construction, Cash鈥檚 Drapery, Center Pointe Signs, Chosen Wood Windows, Colas Structures, Convergent Pacific, Corpac Construction, Culver Glass, Custom Designed Skylights, Daktronics, Dennison Finn, Elevator Solutions, Elmer鈥檚 Flag and Banner, Field Turf, Interior Tech, J&S Masonry, Knife River, Laboratory Design Construction, Larusso Concrete, MacDonald Miller Facility Solutions, McKinstry, Merit Contractor of OR, Multivista, Nor-Pac Seating, Northstar CG, Northwest Scaffold Services, Northwest School Equipment, NW Playground Equipment, Okeefe鈥檚 Ladders, Overhead Door, Pacific Foundation, PAS Performance Abatement, PBS Supply, Penhall, Pioneer Restoration, Pioneer Waterproofing, Prairie Electric, Prestige Tile & Stone, Pro-Bel Enterprises, Pure Floors, Raimore Construction, RC Building Specialties, Rubenstein鈥檚, SDB Contracting, Seattle Sound & Vibration, Smith & Greene, Snyder Roofing of Oregon, Sportsfield Specialties, Stagecraft Industries, Straight Up Carpentry, Sunlight Solar Energy, ThyssenKrupp Elevator, Town & Country Fence, Turtle Mountain Construction, Urban Racks, Valley Growers, Viking Automatic Sprinkler, WH Cress, Weitman Excavation, Western Partitions, Western Rebar

This LEED Silver project involved the 293,000-square-foot renovation and expansion of historic Grant High School and modernized its campus. The project required gutting and remodeling the 1920s-era main building, gymnasium and auditorium with new MEP systems and seismic upgrades.

The interior was upgraded with state-of-the-art classrooms, along with a seismic and fa莽ade renovation and an extension of the floor plate, while preserving the historic elements. Other amenities include stairwell amphitheaters, a three-story common area that provides a community gathering space, gender inclusive bathrooms, new spaces for career and project-based learning, a library and media center, outdoor learning spaces and courtyards, and an early Head Start facility.

Several buildings adjacent to the main building were demolished and replaced with a new gymnasium building and a large addition on the west side of the existing building. A turf ballfield was included in the renovation.

A four-inch difference in existing floor elevations from one end of the main building to the other added to the project鈥檚 complexity. Through collaborative teamwork and out-of-the-box thinking, the team was able to even out the elevations to make for level flooring.

After design work was completed, several issues arose on the jobsite concerning scope. With a little flexibility and collaboration between partners, a new constructability plan was made to address the problems while still maintaining the project鈥檚 substantial completion date, a first priority for the 2019 school year to start as planned.

Despite being a complicated renovation, the modernization earned its Temporary Certificate of Occupancy one day ahead of schedule. This was increasingly challenged by added scope and six months of schedule delays brought on by labor shortages and weather. Collaboration and point cloud scanning helped to close the gap in schedule, prepare the team for challenges and ensure timely delivery of materials.

Dan Jung, senior director of the Office of School Modernization for Portland Public Schools, commended the Andersen-Colas CMGC team on its professionalism and collaborative approach. He noted the Grant High School modernization, a seminal project within PPS鈥� $1.4 billion capital improvement program, was a unique and highly complex effort.

鈥淎ndersen-Colas鈥� excellent communication, cooperation and overall management have set this project up for success. Additionally, on a project with high visibility and public interest, Andersen has proven very effective in stakeholder and community outreach and continues to provide consistent communication about challenges, progress and forecasting,鈥� Jung said as the project was under construction.