CRETE recently completed the design and permitting for an Oregon Department of Environmental Quality (DEQ) Tier II Stormwater Corrective Measure at a steel manufacturing facility in Portland, Oregon. Construction of an 850-foot bioretention and infiltration basin, a new pump station, and associated upgrades to existing storm sewers commenced last week. Work will be complete by the end […]
Category: News
Riverbank Source Control Complete
Bank stabilization along a 2,000 foot segment of Lower Willamette River shoreline was performed to prevent the transport of PCB-contaminated soil. Construction on the riverbank was implemented between July and November 2015 and included excavation and disposal to prepare the bank for stabilization. Planting of over 9,000 native shrubs and trees was completed on March 25, 2016. Work was conducted under a voluntary agreement […]
A Beautiful Day for Sediment Sampling
CRETE performed sediment sampling in support of permitting for pier improvements and we couldn’t have picked a better April day. CRETE negotiated the sampling scope with DNR and EPA and prepared the Sampling and Analysis Plan and Quality Assurance Project Plan.
ISS Bench Testing
CRETE collected test pit samples in December to initiate bench testing for an in situ solidification project. The pre-remedial design bench testing is being performed to confirm the applicability of ISS in support of the site remedy selected in the Cleanup Action Plan. Additional bench testing is being performed to assess dewatering and solidification for […]
March 2015 – PCB Demolition and Remediation Complete
CRETE led the design and provided construction oversight for the demolition and PCB soil cleanup at a warehouse property for the Port of Tacoma. The design work started in November 2013 and the demolition and cleanup was performed between December 2014 and March 2015. Building demolition and disposal were performed per the recent TSCA Reinterpretation […]
May 2014 – New Office Location
Over the Memorial Day weekend CRETE moved a whole 3 blocks north to the Delmar Building. We are still within historic Pioneer Square and we now we have an improved view. Instead of looking at alleyways and dumpsters, we can see the Smith Tower and Occidental Park from our office windows. Stop by and visit […]