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Aggregate Piers: Top-Feed vs. Bottom-Feed
By Jeffrey W. Coonse, PE |
Installation Methods for Aggregate Piers: Top-Feed vs. Bottom-Feed Aggregate piers are an effective ground improvement method for increasing ...
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Auger Cast Pile Advantages
By Jeffrey W. Coonse, PE |
What are the advantages of auger cast piles? Fast and Cost-Effective: Simultaneous Drilling and Pouring: The process of ...
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Auger Cast Pile Design
By TJ Ju, P.E. |
Step-by-Step Design Process of Auger Cast Piles (ACP) The design process for Auger Cast Piles (ACP) follows a ...
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Support of Excavation in Cities
By Jeffrey W. Coonse, PE |
Construction projects are ubiquitous in the busy concrete jungles that characterize modern cities. Whether it's the erection of ...
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Permanent Soil Nail Wall Face Options
By Jeffrey W. Coonse, PE |
Soil Nail face Options While we love soil nail walls and beauty is in the eye of the ...
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3 Excavation Shoring Buy-out Pitfalls
By Jeffrey W. Coonse, PE |
General Contractors have a huge responsibility when buying out the many trades. Excavation shoring can be difficult as ...
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5 Mistakes Contractors Make with Deep Excavations
By Jeffrey W. Coonse, PE |
Deep Excavation Mistake #1. You get 4' for free. OSHA tricked us. It's really not our fault. Everywhere ...
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Limited Access Micropiles, 180′ Deep
By Jeffrey W. Coonse, PE |
Limited Access Micropiles, Company Record 180' Depth As the 17-story Virginia General Assembly Building (VAGA) neared completion, it ...
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Anchors
By Jeffrey W. Coonse, PE |
Anchor design and installation for excavation support systems Definition FHWA defines anchors as cement grouted prestressed steel tendons ...
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Soldier Pile Wall Safety
By Jeffrey W. Coonse, PE |
What are some safety considerations when constructing soldier pile walls? Soldier pile wall safety is about taking care ...
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Soldier Pile Wall Construction
By Jeffrey W. Coonse, PE |
How are soldier pile walls constructed? Soldier Pile Installation Soldier piles are typically steel H-piles or W sections. ...
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Soldier Pile Wall Advantages
By Jeffrey W. Coonse, PE |
What are the advantages of a soldier pile wall? Flexibility Soldier Pile Walls are the go-to excavation shoring ...
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Quality Control for Micropiles
By Jeffrey W. Coonse, PE |
Micropile Foundation Quality Control Using some basic micropile foundation quality control measures will help your project move forward ...
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Micropile Design
By Jeffrey W. Coonse, PE |
Micropile Design Micropile design includes structural and geotechnical design. Let's discuss the importance of these two types of ...
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Micropile Advantages
By Jeffrey W. Coonse, PE |
What are the advantages of micropiles? Overcoming Difficult Ground Conditions The first advantage of micropiles has to do ...
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Quality Control for Soil Nail Walls
By Jeffrey W. Coonse, PE |
Soil Nail Walls Quality Control One of our founders has a saying, “checking is cheap.” Another one most ...
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How Does a Soil Nail Wall Work?
By Jeffrey W. Coonse, PE |
How does a soil nail wall work? Concept Soil nail walls are typically designed using a limit equilibrium ...
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Alex Smith is the New Managing Member
By Jeffrey W. Coonse, PE |
Congratulations to Alex Smith on becoming the new Managing Member at Subsurface Construction. Alex is a professional engineer, ...
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Soil Nail Wall Advantages
By Jeffrey W. Coonse, PE |
What are the advantages of a soil nail wall? Speed and Cost Soil nail walls are installed more ...
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Congratulations to Greg Sullivan
By Jeffrey W. Coonse, PE |
With admiration, gratitude, and sadness we announce that Greg Sullivan will retire at the end of 2020. Greg ...
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Permanent or Temporary Soil Nail Wall?
By Jeffrey W. Coonse, PE |
Do you need a permanent or temporary soil nail wall? Here are the similarities and differences. Both Remain ...
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Empathy is Imperative – Construction Leadership
By Jeffrey W. Coonse, PE |
Expressing genuine empathy is critical to being a successful leader, salesperson and coworker. Want to lose someone's confidence? ...
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OSHA Announces “Targeted Industries in Construction” for silica enforcement.
By Jeffrey W. Coonse, PE |
Silica Enforcement in the Construction Industry We should consider the OSHA's new silica law a good thing. The ...
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Considering Movement of Excavation Shoring Systems
By Jeffrey W. Coonse, PE |
Considering Movement of Excavation Shoring Systems Are you shoring to limit excavation into a tree protection area? Are ...
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Robert Jones Serves as Field Supervisor for AMPIS Drilling School
By Jeffrey W. Coonse, PE |
We would like to recognize our General Superintendent, Robert Jones, for serving as Field Supervisor for the Anchor ...
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The things we (and you) should ask when Preparing and Evaluating a Shoring Bid
By Joseph Nixon, PE |
Common questions we ask ourselves when preparing a shoring bid: 1.Have we clearly communicated the scope of work ...
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Leading Engineer TJ Ju becomes a US Citizen
By Jeffrey W. Coonse, PE |
Congratulations to TJ Ju, PE, on becoming a US Citizen. TJ is our lead geotechnical design engineer, a ...
Read More Micropile Foundations – Are they a good fit for this project?
By Jeffrey W. Coonse, PE |
Micropile Foundations Is this project a good fit for micropiles? This is a question that I’m asked quite ...
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Are you a Level 5 Leader?
By Jeffrey W. Coonse, PE |
Leading in the Construction Industry HUMILITY + WILLJim Collins in "Good to Great" defines Level 5 Leaders as ...
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Why you should use driven soil nails.
By Jeffrey W. Coonse, PE |
https://www.subsurfaceconstruction.com/wp-content/uploads/2018/09/Why-you-should-use-driven-soil-nails.mp4
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Silica Exposure Control Programs in the Drilling Industry
By Jeffrey W. Coonse, PE |
Silica Exposure Control Programs in the Drilling Industry We are all gaining familiarity with “Table 1. SPECIFIED EXPOSURE ...
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Leadership Development
By Joseph Nixon, PE |
Recently our Regional Managers, Alex Smith, PE and Jodie Nixon, PE, attended the Bell Leadership Institute’s Achievers™ conference in ...
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VA War Memorial featured in Foundation Drilling Magazine
By Greg Sullivan, PE |
Subsurface Construction is honored to have the Virginia War Memorial as a Technical Featured article in Foundation Drilling ...
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Secant Pile Wall
By Jeffrey W. Coonse, PE |
Subsurface completed a permanent secant pile wall at the VA War Memorial. The wall serves as a permanent ...
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First driven soil nail wall is allowed in Fairfax County, VA
By Jeffrey W. Coonse, PE |
Driven soil nail wall innovation benefits client in McLean, VA. For the Freddie Mac Expansion project in McLean, ...
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Subsurface Helps Develop Senior Community Site
By Jeffrey W. Coonse, PE |
Developer taps into demand created by Triangle’s growing senior population DAVID BRACKEN RALEIGH With the Triangle’s job market ...
Read More Drilling Safety – Always Critical
By Jeffrey W. Coonse, PE |
I am sharing an email from one of our industry safety leaders: All, This is yet another unfortunate ...
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