Building Code

Clear Creek County Energy Code Requirements

by evstudio December 14, 2017

Clear Creek County Colorado has three different options to choose from when submitting residential energy code requirements.  Option 1 is to use the prescriptive insulation requirements for Climate Zone 7, along with Efficient Heating Unit and Duct Sizing (Manual J and Manual D calculations).  An […]

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Which Version of ANSI 117.1 Should You Be Using?

by EVstudio AEP December 14, 2017

ANSI 117.1 is a standard for accessibility in buildings and is referenced by the International Building Code.  The two most recent versions were published in 2003 and 2009.  Technically ANSI 117.1 is only a standard but because it is referenced by the building code it […]

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Denver Dad Saves $$$ on Post-Tension Tendon Supports Using One Simple Trick

by Calvin Curtis November 29, 2017

Last month, I discussed the need for precompression in a post-tensioned slab.  In that post, I mentioned that the code minimum amount of precompression is 125 psi for elevated slabs. I’ve also mentioned some of the various types of elevated decks in the past.  One […]

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EVstudio Mid-Roof Inspections

by Nic Snow November 20, 2017
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EVstudio is now capable of performing mid-roof inspections throughout the city and surrounding areas. Jefferson County, Wheat Ridge, Boulder, Golden, Littleton, Broomfield, Thornton, and Castle Rock are among the areas requiring an inspection and allowing third-party inspections. A mid-roof inspection may be required when the […]

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Restrained versus Unrestrained Members

by Calvin Curtis November 14, 2017
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In the last several months, I’ve had many questions about what constitutes a “restrained” concrete member, and what constitutes an “unrestrained” concrete member.  The volume has been such that I’ve decided to take a break from my usual post-tensioned discussions and lay this out. This […]

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Roofs: How Low (Slope) Can You Go?

by EVstudio AEP October 30, 2017
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Roof slope is one of those architectural features that really can define the style and character of a project. From time to time we are asked to design projects with some really low slopes. The 2009 IRC has something to say about roof materials and […]

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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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The Importance of Specifications and MasterFormat

by EVstudio AEP August 28, 2017

According to the Dictionary of Architecture & Construction a specification is “a written document describing in detail the scope of work, materials to be used, methods of installation, and quality of workmanship for a parcel of work to be placed under contract; usually utilized in […]

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Separation of Top of Foundation Wall and Adjacent Exterior Grade

by evstudio August 28, 2017

One of the most commonly asked questions to the structural department involved the required distance between the top of a foundation wall and the adjacent exterior grade. The 2009 International Residential Code requires a minimum of 6 inches of separation where brick veneer is not […]

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Reviewing Elongation Reports

by Calvin Curtis August 25, 2017
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At this point, I think it’s fair to say that I’m a proponent of post-tensioned structures.  I’ve found that they can be very economical, and there are many things you can only do with post-tensioned concrete.  However, there’s one point that I think all structural engineers […]

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The Maximum Occupant Load in the Building Code – Not a Maximum

by Sean O'Hara August 25, 2017

There is a common misconception about the “Maximum” Occupant Load table in the International Building Code. This table list the number of occupants per square foot that you are designing to rather than a true maximum. As an example, the table lists 100 gross sf […]

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Commercial Ramp Design – Guidelines, Criteria and Dimensions

by Sean O'Hara May 15, 2017

The 2006 International Building Code dictates the rules for ramps used in commercial buildings. The rules apply to most ramps in a building excepting ramped aisles in theaters, curb ramps and vehicle ramps in parking garages. The code also covers those conditions, but they have […]

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