|
CLIENT |
DESCRIPTION |
|
BLASTING: |
|
|
ASI
Construction/US Army Corps of Eng., Blue River, OR |
Blast and
pressure monitoring during lake tap at Cougar Dam, Blue River, OR |
|
Knife River
Corporation, Portland OR |
Vibration
monitoring during production blasting at basalt rock quarries. |
|
Webber Quarry,
Sweet Home, OR |
Blast design
for vibration mitigation, vibration monitoring and expert testimony. |
|
Tigard Sand and
Gravel, Wilsonville, OR |
Vibration
monitoring during blasting at a basalt rock quarry and expert
testimony of vibration levels measured. |
|
ELTE
Construction Co. Boring, OR |
Blast
consultation and vibration monitoring for Otty Road Reservoir
excavation, Clackamas, OR |
|
US Army Corps
of Engineers and Guy F. Atkinson Co. San Francisco, CA |
Installed
borehole accelerometers, reviewed blast designs and monitored blast
vibrations during excavation of basalt near Bonneville Dam, OR |
|
Kiewit-Pacific
Co. Vancouver, WA |
Blast
consultation for excavation at Highway 101 and Highway 26 junction,
Cannon Beach, OR |
|
Oriad Powder
Co. Oregon City, OR |
Vibration and
noise monitoring during quarry blasting: Oregon Rock Products,
Tonquin Quarry; Tigard Sand and Gravel, Tigard Quarry, and Progress
Quarry. |
|
Piper Drilling
and Blasting Portland, OR |
Blast
consultation and vibration monitoring during excavation of sewer
lines in Oregon City, OR and Lake Oswego, OR |
|
CONSTRUCTION: |
|
|
KLB
Construction/FE Ward |
Vibration
monitoring during blasting and pile driving during construction at
the US-26/Sylvan interchange. |
|
Braun Intertek
Portland, OR |
Vibration
monitoring during pile driving near a recent landslide to help
ensure that pile driving vibrations would not mobilize the
landslide. |
|
Morrison-Knudsen Corp. Tri-Met Light Rail Portland, OR |
Vibration
monitoring and analysis during pile driving and other construction
activities to ensure that nearby structures are not damaged by
construction activities. |
|
Denver Green
International Portland, OR |
Consultation
and vibration monitoring during pile driving at Terwilliger Bridge
reconstruction, Portland, OR |
|
Geotechnical
Resources, Inc. Portland, OR |
Monitored
vibrations associated with mechanical excavation at Uptown Shopping
Center, Portland, OR |
|
Granite
Construction and US Army Corps of Engineers Portland, OR |
Evaluation of
vibrations due to excavation of a tunnel through John Day Dam, OR |
|
H.S. Wright
Construction and Pittsburgh Testing Lab Portland, OR |
Evaluation of
the effects of pile driving vibrations on 'green' concrete at U.S.
Bank Tower, Portland, OR |
|
ENVIRONMENTAL IMPACT STUDIES: |
|
|
TW
Environmental and Tri-Met. Portland, OR |
Evaluation of
potential vibration impact of proposed South Corridor Light Rail in
Portland, OR. Study conducted in accordance with Federal Transit
Authority guidelines. |
|
SITE
EVALUATIONS: |
|
|
Siltec Silicon
and Takenaka (USA) Portland, OR |
Evaluation of
ambient ground vibrations and noise prior to construction of a
silicon wafer plant. Vibration isolation design recommendations were
also provided. |
|
SEH America and
Performance Contracting Inc. Vancouver, WA |
Analysis of
building vibrations to certify vibration levels in a new clean room.
Vibrations of sensitive instrumentation were also evaluated and
design recommendations were provided. |
|
Morse Bros.
Construction Tangent, OR |
Analysis of
vibration attenuation characteristics at various proposed plant
sites. Measured vibrations produced by various plant activities, and
provided expert testimony to assist client in obtaining building
permits. |
|
Oregon Natural
Gas Co. Portland, OR |
Monitoring and
evaluation of possible ground motions associated with underground
gas storage. |
|
Port of
Portland and Geoengineers, Inc. Portland, OR |
Monitoring and
evaluation of ground vibration and air overpressure near the
Portland International Airport. |
