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Linn-Benton Community College
Chemistry And Science Buildings Addition/Renovation 
(Albany, Oregon)

SDC provided mechanical and electrical design for Madrone Hall, a new chemistry classroom addition and a science wing renovation for a community college. The two level, 15,250 square foot chemistry building includes chemistry classrooms, prep rooms and offices on the upper level and general classrooms and study spaces on the first floor. A separate 4,400 square foot addition provides classroom, entry, offices and support spaces to the science complex. The Madrone Hall addition has been granted LEED Silver certification.

The campus heating hot water system was extended to serve the addition. Energy efficiency and innovative features include:

• Air conditioning provided by package rooftop equipment with high efficiency digital scroll compressors providing linear unloading and close temperature control
• A central laboratory exhaust system serves the hood system utilizes a dedicated control system to maintain space adjacency pressure relationships.
• A heat recovery coil is included in the exhaust fan system to recover heat for preheating outside air to the rooftop unit serving a chemistry classroom with nine hoods.
• Common areas are illuminated by indirect lighting sources controlled by time of day / occupancy controls.
• A 20KW photovoltaic glazing system is connected for net metering including visual display of system performance.
• Wired and wireless connection to the campus computer network is provided in all areas.
• An extremely flexible video/audio interface is provided to allow the teaching staff access to the ceiling mounted video projection system from any video / audio source.

The science building renovation is a 30,400 square foot renovation to house the college biology and physical sciences areas including agriculture / horticulture and biology laboratories. The project mechanical design converted an existing dual duct air handling system in an adjacent mechanical room to a variable volume system. The interior of the unit was essentially rebuilt to house new coil, filter and motor assemblies.