Transcript Building Abstract (ppt)

BALLENGER EAST & WEST
BUILDINGS
ALEXANDRIA, VIRGINIA
Project Information
Size
Floors
Project cost
Construction
period
Delivery
method
East-61000 ft²/West-80000 ft²
East-8/ West-7
About 34 million US dollars
June 2007 – October 2008
Design-bid-build
Project Team
Owner
Architects
MEP
Structural
Lighting
LCOR Ballenger Avenue LLC
Still & Svitchan Associates, PC
Girard Engineers, PC
Tadjer-Cohen-Edelson
MCLA
Structural systems
• Foundation of 4” thick slab on
_grade
• Reinforcement 6 x 6-10/10 wwf
_poured over 2 layers of 10 mil
_polyethylene & 20’ washed gravel
• Cast-in-place concrete
• Post-tensioned columns
Mechanical systems
• Rooftop A/C units
• Fan coil units
• Variable Air Volume terminal
units (VAV)
Electrical systems
Architecture
• The building envelope feature several
_wall systems
• 2 different colors of bricks are used
• The ‘Hot-applied fluid roofing system’ is
_applied for the roofing system
• Both intended for mixed use, retail
and office spaces
• 45 KVA transformer used
• 30 KVA transformer used
• Service with 1600 Amp 480/277V
_step down to 208/120V for tenants
Lighting systems
• Accent luminaire, bollard luminaire
_are used for exterior
• Various types of wall sconces are
used for facade
KELLY CHAN
Lighting/Electrical Option
http://www.engr.psu.edu/ae/thesis/portfolios/2009/kyc5006