Foundation Construction – When Frost Depth Can Not Be Met

by evstudio November 17, 2015

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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E-470 Solar Project Dedication

by Jim Houlette September 5, 2015

EVstudio attended the E-470 Solar Project Dedication June 26, 2012.  Our office designed the helical piers used for the two solar panel systems; a typical array and unique single pole design.   It was exciting to be a part of this important project. Solar Project Facts […]

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Permanent Dewatering Design – Parking Structures

by David Borcherding July 15, 2015
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While at Jehn Engineering I gained nearly 5 years of experience in designing permanent dewatering systems; primarily for below grade parking structures in Vail and Denver Colorado. Permanent dewatering design consists of a series of pipes and proprietary drainage products which capture ground water. The […]

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Helical Pier Foundations

by Jim Houlette May 25, 2015

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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How to Repair Brick Walls that are Separating (Delamination)

by Jim Houlette May 1, 2015
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In the last year I’ve been finding an increase in the number of brick wall failures.  Most of the walls are in need of repointing due to the age of the dwelling and some are in need of more significant structural repairs.  One common repair […]

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Steel Screw Pile Foundation

by Jim Houlette April 20, 2015

A deep foundation system that is gaining popularity in areas with difficult soil, contaminated soil and due to its speed of construction is steel screw piles. At first glance screw piles look like the typical helical pier.  However, there are significant differences that make a […]

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Repair of Badly Damaged Joist and Sill Plate Due to Water Moisture

by Jim Houlette March 28, 2015

The repairs are complete at a residence in Greeley where water moisture was so severe along the entire north face of the house the joists and sill plate had crushed like cardboard.  EVstudio’s Structural Department worked with Complete Basement Systems to provide a high quality […]

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Hydronic Radiant Floor Heating in Post Tension Slab-on-grade Foundations

by Jim Houlette March 24, 2015

The structural department recently designed and observed the construction of a post tension slab-on-grade foundation that incorporated a hydronic radiant floor system.  Although there is nothing special about a hydronic radiant floor system in the basement floor, many builders and owners wonder if it can […]

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Fastening to Concrete – Wedge Style Expansion Anchors

by evstudio March 20, 2015

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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Wall on Grade Foundation

by Jim Houlette March 4, 2015

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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Insulfoam R-Tech Under-Slab Insulation

by evstudio December 2, 2014

The builder for the Haley Residence we designed in Evergreen is using Insulfoam R-Tech for the under-slab insulation.  Insulfoam R-Tech is a high-performance, block-molded expanded polystyrene (EPS) rigid insulation product for under-slab applications.   It is an ideal solution for projects that incorporate radiant-heat flooring systems, as […]

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Interrupted or Narrow Spread Footing Foundation

by Jim Houlette October 2, 2014

When the site has low to moderate swelling soil an interrupted or narrow spread footing may be used.  The Geotechnical engineer will specify a maximum and a minimum soil bearing pressure.  Most people understand a maximum soil bearing which is discussed more at our post […]

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