Foundation

St Francis of Assisi Catholic Church in Castle Rock

by Jim Houlette September 28, 2018

EVstudio provided post tension foundation design for the recent St Francis of Assisi Church.  The Church is being built by Fransen Pittman and designed by Architectural Innovations, LLC. This was a great project to be a part of.  The project was an addition to an […]

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Platt Park Footing Inspection

by Katelyn Wager September 28, 2018
Thumbnail image for Platt Park Footing Inspection

Today I hit an exciting milestone in my budding career.  I conducted my first footing inspection of a model house I mentioned in a previous article!  EVstudio conducts countless site inspections of the foundation and framing plans we design, but today’s was the footing inspection […]

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Why It’s Critical To Have Correct Floating Sill Plates on Slab-On-Grade Floors in Colorado

by Jim Houlette August 13, 2018

When I’m requested to investigate a house with structural concerns one of the first things I check is proper floating sill plates on slab-on-grade floors.  I’m always amazed how so many basements are finished without a floating sill plate or some way of allowing the […]

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Raft Slab-on-Grade Foundation

by Jim Houlette May 11, 2018

A Raft Slab-on-Grade foundation can be as simple as a 4” thick slab with no reinforcement and a shallow perimeter rib to an 8” thick slab heavily reinforced with deep ribs spaced roughly 10’o.c.  The wide range of concrete thicknesses and reinforcement is a function […]

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Reinforcing Concrete Slabs-on-Grade

by EVstudio AEP May 11, 2018

A few weeks ago, I got a great question regarding the reinforcement of concrete slabs-on-grade, so I thought I’d take a quick minute to share how rebar works structurally when the slab is continuously supported by earth. First, it’s important to understand that, structurally, no […]

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Fastening to Concrete – Wedge Style Expansion Anchors

by evstudio March 27, 2018

There are many situations were it may become necessary to attach a timber ledger to a concrete wall. It is desirable in many new homes to lower the elevation of the finished floor to make a home more wheel chair accessible. An example of the […]

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Straight Shaft Drilled Concrete Pier Foundation

by Jim Houlette March 27, 2018

Straight Shaft Drilled Concrete Piers are constructed by drilling a hole into the ground and filling it with concrete and reinforcing. The diameter of the pier varies depending on the load the pier must support.

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Resistance Piers for Economical Foundation Repair

by evstudio February 14, 2018

EVstudio is asked quite frequently to perform structural evaluations of cracked foundation walls. These cracks are often due to settlement. Modern design philosophy (and most geotechnical reports) calls for the original structural engineer to design foundation walls to clear span ten to fifteen feet to […]

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Helical Pier Foundations

by Jim Houlette January 11, 2018

Helical piers are typically used when repairing failed shallow foundations.  The helical piers are a deep foundation system that can be placed alongside existing foundations with very little interference. However, helical piers are also used for new construction as an alternative to typical straight shaft […]

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Wall on Grade Foundation

by Jim Houlette December 29, 2017

Simple and cost effective, but limited in design capabilities.  A wall on grade is just as simple as it sounds.  If the bearing capacity of the soil is moderate to high and the load from the structure is light then a typical spread footing can […]

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Quickly Construct Concrete Pad Footings with FASTBAG

by evstudio November 30, 2017

At a recent seminar I attended I was introduced to the Fab-Form product called FASTBAG. This product is brilliantly simple….a textile bag you can fill with concrete and reinforcing bars to take the place of the wood formwork traditionally utilized to construct pad footings. The […]

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Foundation Construction – When Frost Depth Can Not Be Met

by evstudio October 12, 2017

The 2009 International Residential Code (IRC) specifies that foundation walls, foundation piers and other permanent support of buildings and structures shall be protected from frost heave. As we know, when water freezes it increases in volume. Bearing a structure’s foundation below the frost line helps […]

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