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Project Drawings - A Courthouse

7/31/2015

GOVERNMENT 01 - COURTHOUSE PROJECT DRAWINGS

This Courthouse Project is a one-story, 17,500 SF stand-alone Courthouse designed in 1990 for a local government Owner. These drawings were prepared for public bid and were accompanied by a Project Manual (non included here). Nothing was left to the Contractor’s discretion.

Special Features:

Designed to bring inmates from the adjacent jail building to the courtrooms through a back corridor.
The main entrance canopy is flanked by areas open to the sky, framed by brick beams.
The courtroom lobby has a dramatic linear skylight.
Courtroom casework was included.
The courtrooms have book-matched wood panelling.
Windows have sloping EIFS accent panels.
The Construction Type is 2B, sprinklered.
The building is Business Use Group.
Cost in 2013 Dollars is $2,400,000.

Folding Wall Sound Barrier

7/6/2015

If the goal of a folding wall is both visual AND sound separation, pay special attention to wall rating, seals and provide a sound barrier above the ceiling. Creating the barrier with drywall, while possible, rarely works as intended. Fixing a sound problem later is often imperfect because it is just too complicated.

Lead sheet is the ideal material for blocking sound because it is dense and flexible for an airtight fit around penetrations and the perimeter of the ceiling plenum. Lead is not a good idea any more for environmental reasons. The material we have used as a replacement is:
SoundBlocker1™ - Reinforced Flexible Sound Barrier
See http://www.gretchken.com/

Avoid duct penetrations and use dampening in ducts that connect to spaces you want to isolate.

Be sure to inspect the work before subcontractor leaves. Test by clapping or loud music to see if it is satisfactory.

Details

Project Drawings - A Courthouse

Folding Wall Sound Barrier

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