Portland Building

Image courtesy of James Ewing / JBSA.

Portland Building Renovation

Portland, OR

Project Categories

Portland
High-performing buildings
All-Electric
Design-Build
LEED Platinum
Government

Business Type

Government Offices

Size

360,000 square feet

The renovation of this historical landmark was done under a successful progressive design-build delivery model, which finished one year ahead of schedule. The new workspace for about 1,400 City of Portland staff will last well into the next century.

Architect

DLR Group

Owner

City of Portland

Project Partners

HSW and DayCPM

Services

Mechanical engineering

Electrical engineering

Plumbing engineering

Sustainability

Certifications

LEED Platinum

Progress Report

Energy savings of 32% better than Oregon Energy Efficiency Specialty Code
Post-reconstruction water savings of 45%
The building performs 32% better than Oregon energy code, 56% better than the original Portland Building, and 72% better than a typical office building based on CBECS data
Daylight area increased from 4% to 20%

Special features

All-electric building allows for 29% energy cost savings
Water cooled chillers and high efficiency gas boilers improve air quality and reduce energy use
VAV air handling units utilize a high percentage of outside air for energy efficiency
Low flow fixtures use 32% less water than a typical baseline building
Ventilation system designed to provide 30% more fresh air than required by code to increase cognitive function and occupant productivity