HGS E&E - Horizontal Directional Well Installation for Sub-Slab Vapor Mitigation

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Wednesday, August 11, 2021

In-Person Event
Craft Republic Houston • 11470 Westheimer Rd.
Social 5:30 p.m., Dinner 6:30 p.m., Presentation 7:30- 9:00 p.m.
Cost: $35 Pre-registered HGS members; $40 non-members & ALL walk-ups
$15 Emeritus/Honorary Life; $5 HGS Student members

 

*Non-Members can submit an application and pay their dues before registering to get the member price. Please call the HGS office at 713-463-9476 to be registered only AFTER your application and dues are submitted.*

To guarantee a seat, you must pre-register on the HGS website and pay with a credit card.  You may walk up and pay at the door if extra seats are available.  Please cancel by phone or email within 24 hours before the event for a refund. Online & pre-registration closes Wednesday, August 11, at 5:00 a.m. 

 

Speaker:  David Bardsley, P.G.
Company: Ellingson - DTD 

David Bardsley P.G. has over thirty-seven years of environmental drilling experience working in a variety of settings across the United States.  Mr. Bardsley earned a Bachelor of Science degree in Geology & Geophysics along with a Communications Minor (1984) from the University of Missouri-Rolla.  He started his career as a drill rig helper advancing through various technical and managerial positions in both small and large drilling companies.  He was an early leader in the use of horizontal drilling to solve environmental and water supply challenges and has authored/co-authored over twenty papers on horizontal environmental drilling methodology.  David has been directly involved in the design and oversight for the installation of hundreds of horizontal environmental and water supply wells. 

 

He is a licensed well driller in Texas, Arizona and Louisiana and holds RG/PG certifications in Texas, Missouri, Louisiana and Tennessee.  Mr. Bardsley is a strong proponent of education and has served as a short course instructor at Battelle environmental conferences and University of Wisconsin Madison along with presenting environmental drilling training to students at University of Arizona and University of Louisiana Lafayette.

 

Horizontal Directional Well Installation for Sub-Slab Vapor Mitigation

Indoor air quality is a substantial health and regulatory issue, and the installation of vapor mitigation systems for existing structures can be a significant challenge.  Low-flow, negative pressure systems can be installed by penetrating the building floor, completing shallow vapor points and connecting the vapor points to a “whirly bird” on the building roof.  This approach, although popular, is more like a patch or band aid to the problem as remediation is not occurring. 

 

Horizontal wells are an efficient way to provide BOTH a negative pressure barrier beneath the slab while ALSO driving the remediation process forward by removing a meaningful amount of contaminant mass. 

 

Horizontal/directional drilling (HDD) has been utilized in the environmental drilling industry for the installation of monitor and remediation systems since the late 1980’s.  Refinements in drilling equipment, steering/locating technology and blind well construction methods are providing consultants and building owners a beneficial option for removing vapors from below a building slab

 

 

Locating bit under warehouse slab

 

Installing sub slab SVE well

Completed sub slab well ready for system hook up

 

 

 

When
August 11th, 2021 5:30 PM   through   9:00 PM
Location
Craft Republic Houston
11470 Westheimer Rd.
Houston, TX 77077
United States
Event Fee(s)
HGS E&E
HGS Member $ 35.00
Non-Member $ 40.00
Emeritus/Honorary Life $ 15.00
Student $ 5.00
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Brochure
Speaker Lineup
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Vendor Form
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Event Contact
Contact Matthew Cowan
Contact Phone
contact Email mrcowan1@hal-pc.org

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