Pentagon Wedge I - Arlington, Virginia
Demolition of existing basement structure, excavation to lower basement floor and installation of new piles to support future building loads, installation of new mezzanine level.
Scope of Services: Furnished construction inspection and laboratory testing of materials, including: Type of construction:            Cast-in-place Reinforced Concrete
Total Project Cost:                 $30,000,000
Duration of Construction:      1998-1999
•Geotechnical Engineering: wave equation analyses of piles, driving systems,
observe pile load testing using “Quick Load Test Method”, determine failure
of piles during load testing using Davison Offset Method, perform vibration
monitoring during pile driving, prepare pile pay length submittals

•Environmental Consulting: Obtain samples of suspected contaminants,
perform laboratory testing and analysis of samples
•Construction Materials Testing: Laboratory analysis of proposed fill materials,
field densitytesting of fill materials, inspection of formwork for elevated slabs,
inspection of reinforcing steel placement, field testing of plastic concrete,
laboratory testing of concrete test cylinders
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