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 Hildebrand Hall Laser Research Laboratory

The lab is on the basement level of Hildebrand Hall, a laboratory/classroom building constructed in the 1960s. A basement location is ideal for laser research because it ensures considerably less structural vibration, is removed from student traffic, and can be placed in total darkness during daylight hours. The laboratory is a self-contained facility with four laser labs arranged around a core of support and interaction spaces as well as researcher offices.

During the programming phase the supplier of the laser tables completed on-site vibration testing to ensure the ambient vibration was within the performance criteria for the tables and the delicate research they would support.

Other major design concerns were temperature stability, minimizing air turbulence around the laser experiments, and minimizing airborne particulates introduced into the labs. To satisfy these requirements, the HVAC scheme is a stand-alone system of small, individual air handlers supported on vibration isolators and suspended from the concrete floor slab above the lab corridor. The units, supplied by central hot water and chilled water loops, were designed to accommodate HEPA or standard filter banks. To provide thorough mixing of room air with minimal disturbance, ceiling diffusers were located at the corners of the laser rooms. The air is returned into the ceiling plenum through a large ceiling opening above the laser table in each room. Individual temperature and humidity controls for each laser room ensure a one-degree Fahrenheit temperature delta during experiments, which can take as long as eight hours to run.

A flexible floor plan allows running different laser experiments concurrently, fosters a high degree of interaction, and provides a safe and comfortable work environment.




Project Information
Building Owner: University of California, Berkeley
Owner Contact: Robert Bluhm, Senior Project Manager
Building Location: Berkeley, CA UNITED STATES
Project Type: Renovation
Principal Building Function: Research laboratory
Project Timeline
May 1997Planning Start
Jun 1997Design Start
Jan 1998Construction Start
Jun 1998Completion
Last known status: Completed
Construction Cost: $1,200,000
Cost Per Sq. Ft: $240
About These Cost Figures
Building Information
Project Includes: Chemistry
Education
Education: Classroom
Laboratory: Research
Laboratory: Teaching
Total GSF: 6,200
Total NSF: 3,820
Efficiency: 62%
Building Services: Vacuum; compressed air (25 psi), high-pressure compressed air (90 psi), nitrogen, chilled water, 480V, 208V, 120V power receptacles
Special Equip: Laser tables (air balanced)
Office Size: 56 NSF
Power Req: 35 w/nsf
HVAC Req: 2.5 cfm/nsf
Laboratory Parameters
Lab Module: 12' x 27'
Casework Mat'l: Wood casework with epoxy tops
Fume Hoods: 1 @ 6'
Project Team
Consultant - Cost Analysis Davis Langdon Adamson
Consultant - Electrical Engineer Bhatia Associates
Consultant - Mechanical Engineer Fisher O?Connell Associates
Consultant - Structural Engineer Tennenbaum Manheim Engineers
Profile Created 03/31/2001
Last Updated 01/02/2007
About the Reported Cost Figures
The cost figures reported are supplied by the firms that submitted these projects for publication, which in most cases are the designers or builders. Whereas these sources are intimately familiar with their projects, they may not be fully aware of the owners' finally-realized and recorded costs. In some cases, costs are truly and completely accounted for, and in others they represent a near approximation of the final costs. Costs have not been adjusted for year of construction, nor has any attempt been made to make regional cost adjustments.

Further, costs are not comparable on any kind of detailed standard costing model. Hence, it is possible for the cost of one building to include a steam boiler, while the cost of a comparable building might not include the boiler, if steam is being supplied from an already existing campus grid. Or, in another case, a building might include excess boiler capacity to supply steam to another building. Some submittals include fees or unusual site improvements as part of the construction costs, which others do not.
We welcome your Questions and Comments

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ISSN: 1096-4894
Fig. 1

Hildebrand Hall

 

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