Building Code

Understanding R-Value and Insulation

by evstudio May 30, 2019

This post is provided by Earthcore SIPs. There are many conditions that determine the effectiveness of any building material to provide comfort and energy efficient performance. R-Value is only one of these factors or measurement tools. R-Value is the measure of resistance to heat flow […]

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Means of Egress Hazard Categories in the Existing Building Code

by Sean O'Hara May 30, 2019

The International Existing Building Code (IEBC) is the I-Code that covers existing buildings in depth. While the International Building Code (IBC) covers changes of occupancy in existing buildings, the IEBC goes into much greater detail. When you’re doing a change of occupancy, see if your […]

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Clear Creek County Energy Code Requirements

by evstudio May 30, 2019

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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Accessible Fitting Room Requirements

by evstudio May 21, 2019

When designing an accessible fitting room, remember to provide the required clear floor space along with a code compliant bench.  According to ANSI 803.4 and ADA 4.35.4, a bench is required in all accessible fitting rooms. Benches must be 42 inches long, between 20 and 24 […]

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Accessible Drinking Fountain Guidelines ADA

by evstudio March 29, 2019

The Americans with Disabilities Act (ADA) requires wall-mounted drinking fountain units to have a clear knee space of at least 27” high, 30” wide, and 17” to 19” deep.  They should also have a minimum clear floor space of 30” by 48”, for wheelchair accommodation. […]

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Type ‘A’ vs. Type ‘B’ in Residential Design

by EVstudio AEP March 26, 2019

Type A dwelling units are those that are required by and defined in the International Building Code. These units are referenced in Chapter 11 of the IBC and have to comprise at least 2% of the units in R-2 occupancies so long as there is […]

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Restrained versus Unrestrained Members

by EVstudio AEP January 7, 2019
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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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Staples or Nails? Choosing the Right Fastener for Wall and Roof Sheathing

by Dean Dalvit January 7, 2019

We are often asked by contractors if they can substitute framing staples instead of nails for their wall and roof sheathing fasteners. There is no easy universal answer to this question because the location of the project may place it in a high wind or […]

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Allowable Building Height, Story and Area Tables Updated in IBC 2015

by EVstudio AEP November 30, 2018
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Updated versions of the International Building Code are published every 3 years.  On a new project, one of the first code restrictions to determine is the allowable building height, area, and number of stories. Since 2000, the International Building Code has shown the allowable building […]

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Foundation Construction – When Frost Depth Can Not Be Met

by evstudio November 30, 2018

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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Restaurants, Bars, Bakeries and Occupant Loads

by Sean O'Hara November 30, 2018

When you are designing restaurants, bars, bakeries and other food service businesses the number of occupants is a fairly important factor. Occupant loading is not determined by the actual number of people, but rather by the number of square feet in your space. You’ll have […]

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Interpreting Truss Shop Drawing Dimensions

by evstudio November 16, 2018
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Spend any time as a structural engineer that deals with residential structures and you will no doubt be asked to review pre-engineered truss shop drawings.  For a young engineer this may be a daunting task from the look of the cut sheets (shown below). One […]

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