All posts by Jeffrey W. Coonse, PE

photo of internally braced soldier pile wall
Soldier Pile Wall Safety

What are some safety considerations when constructing soldier pile walls? Drill Rig Stability Drill rigs must have a...

photo of an anchored soldier pile wall
Soldier Pile Wall Construction

How are soldier pile walls constructed? Soldier Pile Installation Soldier piles are typically steel H-piles or W sections. ...

photo of an anchored soldier pile wall
Soldier Pile Wall Advantages

What are the advantages of a soldier pile wall? Flexibility Soldier Pile Walls are the go-to excavation shoring...

Micropile Drilling
Quality Control for Micropiles

Quality Control for Soil Nail Walls Using some basic quality control measures will help your micropile project move...

photos of micropiles for supporting a tower crane
Micropile Design

Micropile Design Structural Design Design Criteria Micropiles are designed by two standards, the Federal Highway Administration (FHWA) and...

photo of a small drill rig installing micropoiles
Micropile Advantages

What are the advantages of micropiles?   Overcoming Difficult Ground Conditions Micropiles can overcome ground conditions such as...

Anchor rig drilling soil nails
Quality Control for Soil Nail Walls

Quality Control for Soil Nail Walls One of our founders has a saying, “checking is cheap.”  Another one...

Photo showing installation of a soil nail wall
How Does a Soil Nail Wall Work?

How does a soil nail wall work? Concept Soil nail walls are typically designed using a limit equilibrium...

Photo of Alex Smith
Alex Smith is the New Managing Member

Congratulations to Alex Smith on becoming the new Managing Member at Subsurface Construction.  Alex is a professional engineer,...

Permanent soil nail wall during shoring construction project
Soil Nail Wall Advantages

What are the advantages of a soil nail wall? Speed and Cost Soil nail walls are installed more...