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ENERGY STAR Labeled Building Profile

651 Gateway
651 Gateway Blvd.
South San Francisco, CA 94080
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651 Gateway Boulevard is owned and managed by Boston Properties. Located on the highway 101 corridor in South San Francisco, the building, completed in 1986, includes a 16-story office tower with approximately 279,532 square feet of Class A office space; grade-level and structured parking are also provided on site. The vertical transportation throughout the facility is provided by four passenger elevators and one convertible passenger/ freight elevator. The Gateway Center is near Cal Train and has connection service to BART for commuter access to the building/ campus.

Onsite parking lots around the building contain spaces for 1,216 cars, and the structured garage contains spaces for 1,800 cars. The on-site security staff patrols the parking lots throughout business hours. Paving is typically asphalt and sidewalks are concrete, with granite pavers at the building entrance plaza. Parking at a ratio of 3.3 spaces/1,000 of rentable square feet, or 2,963 spaces are available for tenants' employees and visitors. Exterior lighting is high-pressure sodium for the parking areas and metal halide for the walkways. There are 16 handicap accessible parking stalls directly adjacent to the building.

Energy management at 651 Gateway begins with proper preventive maintenance and repair of the installed systems. From this point, good operating strategies--i.e., retrofitting lighting fixtures using reflectors, T-8 lamps, and electronic ballasts along with variable speed drive technologies on the central plant chiller, cooling towers, and main supply and return fan systems--have provided ongoing energy efficiency opportunities in operation. The addition and enhancement of the Andover building automation system has further allowed a more integrated approach and connection to the field systems and components, giving the building management team the flexibility to make the overall system operate more effectively and thereby more efficiently. 

In 2005, the replacement of the domestic water booster system with a new variable speed drive integrated system added additional efficiencies in the domestic water system. 

In 2006-2007, the build out of all floors with current codes and new direct digital controls (DDCs) on the HVAC system components have and will continue to enhance the building's future energy performance. This effort also replaced lighting with T5 lamp and ballast technology as well as occupancy sensor control of the lighting system and energy-efficient task lighting at the workstation level. The project also included new DDC integrated HVAC variable air volume (VAV) zone boxes and controls. 

In 2010, the shared parking structure underwent a lighting retrofit of over 500 light fixtures from the traditional HID system to T8 florescent fixtures. The project achieved substantial reductions in both demand and consumption by replacing the existing HID fixtures at 215 watts per fixture with new T8 fixtures, lamps, and electronic ballasts that use 55 watts per fixture in comparison. In addition, the perimeter fixtures were outfitted with photocell operation to take advantage of daylight reductions. All in all, we achieved a 70-percent reduction in demand and consumption from this one lighting project.

Also in late 2010, we converted existing air handlers from variable inlet guide vane to variable frequency drive (VFD) operation and installed VFDs on all primary air handling units in the building as well as the primary chilled water pumps. We completed the project in December of 2010 and expect an overall reduction in fan horsepower consumption and substantial energy savings in 2011 and moving forward.

Communications:

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Testimonial:

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Please note: Narrative information in this profile has been provided by Boston Properties or a representative of this facility. Other building information was verified and submitted to EPA at the time of application. Building energy performance, operating characteristics, and ownership/management may be subject to change over time.

Building Owner:*
Boston Properties

Property Manager:*
Boston Properties

Year(s) Labeled (Rating):
2003 (90)
2008 (89)
2009 (87)
2010 (88)
2011 (90)
2012 (90)
2013 (91)

Facility Type: Office

Total Floorspace: 279532 sf

Year Constructed: 1984

Contract Type: None
Financing Type: Internal Capital

Technologies Used:
   Stage 1-Recommissioning
   Stage 2-Lighting
   Stage 3-Load Reductions
   Stage 4-Fan Systems
   Stage 5-Heating and Cooling Plant
   Other Technologies/Strategies

For More Info:
Daniel Murtagh
Director of Engineering
San Francisco, CA 94111
415-772-0635
dmurtagh@bostonproperties.com