HomeMy WebLinkAboutWPO201400097 Certified Engineer's Report 2018-08-29f&D Field Report 8-7-18 Biofilter
I� Various Report Date: 8/10/2018
Crozet Office Client: Project:
6185 Rockfish Gap Turnpike
Crozet, VA 22932 Contour Construction 7100001
Phone: 434-823-5154 1713-213 Allied St. Contour Construction Soil Testing
Fax: 434-823-4764 Charlottesville, VA 22903 1713 2B Allied St
Charlottesville, VA 22903
Date: 08/07/2018 Location: Storm Water Pond
Category: Soils/Earthwork Location Details: Bio-filter at north end of Northridge Medical
Complex parking lot
Coverage: Test Pits
Type: Observation Frequency:
Weather: Clear
Air Temp. (deg. F): 85 F&R Personnel: Sanders, II George A , Technician
Description of Work Completed
Work Completed: F&R representative on site as requested to hand auger and measure bio media thickness.
Field Notes: Hand auger was utilized at location #1 to remove bio media to "refusal' which was assumed to be the
gravel layer of the filter. Once the hand auger hit refusal, a probe rod was used to confirm the gravel
layer depth and to measure bio media thickness. At the other three locations, only the hand probe
was used to reach the gravel layer and measure the thickness of the bio media.
Location 1 - Hand auger and probe depth- 25"
Location 2 - Probe depth 25"
Location 3 - Probe depth 23"
Location 4 - Probe depth 23"
Determination: As Specified
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7100001 Contour Construction Testing
8-7-18 Northridge Biofilter Hand Auger
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