In Depth Case Studies

Johnson Braund Design Group, Inc. Corporate Office (JBDG Office)

Overview

• Location: Seattle, WA
• Climate Region: 4C: Mixed - Marine
• Building type(s): Commercial office
• Renovation of a 1985 building, last renovated in 2009
• 8,000 ft2 (743 m2)
• Project scope: 2-story building
• Urban setting
• Completed January 1985
  System upgrades and O&M improvements are ongoing.
• Rating: EPA Energy Star --Level: 86

A small, owner-occupied office that is undergoing aggressive energy retrofits and a focus on energy efficiency. An ultimate goal of net-zero by 2012.

Environmental Aspects

• Energy use reductions of 70% over baseline
• Water savings of 95% over baseline
• 20% of energy used generated on-site via rooftop photovoltaic
• EUI of 35 kBtu/ft2
• Interior air quality exceeding standards for hospital operating rooms
• Preparations for electric vehicle charging

Owner & Occupancy

• Owned and occupied by 52nd Ave. LLC, Corporation, for-profit
• Typically occupied by 20 people, 45 hours per person per week; and 10 visitors per week, 2 hours per visitor per week
• Expected Building Service Life: 60 years

An Architecture Firm.

Building Programs

Indoor Spaces:	Office (65%), Conference (10%), Restrooms (5%), Electrical systems (5%), Cafeteria (5%), Mechanical systems (5%), Lobby/reception (5%)
Outdoor Spaces:	Wildlife habitat (45%), Parking (45%), Drives/roadway (10%)

Keywords

Integrated team, Design charrette, Simulation, Green specifications, Commissioning, Performance measurement and verification, Operations and maintenance, Wildlife habitat, Indigenous vegetation, Efficient fixtures and appliances, Efficient irrigation, Drought-tolerant landscaping, Airtightness, Passive solar, HVAC, Lighting control and daylight harvesting, Efficient lighting, On-site renewable electricity, Adaptable design, Recycled materials, Local materials, Occupant recycling, Connection to outdoors, Daylighting, Ventilation effectiveness, Moisture control, Thermal comfort, Indoor air quality monitoring

next topic: Process

 

Case Studies Database provided by the U.S. Department of Energy's
Building Technology Program, High Performance Buildings.