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

by Anthony Ries May 29, 2014

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 […]

Read the full article →

All Handheld Showers Require Backflow Protection

by Dean Dalvit May 20, 2014
Thumbnail image for All Handheld Showers Require Backflow Protection

We do a large amount of design work in the medical sector and are often called upon to do a code analysis on existing facilities that are being renovated. Recently, we were asked by one of our Clients to look at the hand held showers […]

Read the full article →

Avoid Costly Future Alterations: Free Fair Housing and Accessibility Presentation

by evstudio May 20, 2014

This week the Department of Local Affairs (DORA) Civil Rights Division offered one of four free lectures on Fair Housing, Accessibility and Reasonable Accommodations. The lecture is given by DORA’s fair housing expert, Jennifer McPherson, she covers the local, state and federal fair housing regulations. This is a must see for architects, […]

Read the full article →

What in the World is a Ufer Ground?

by evstudio May 20, 2014

In EVstudio’s structural engineering practice this question comes up almost every week. In contemporary construction, a ufer is a concrete encased ground electrode, which is most often a 20 foot long piece of #4 rebar cast into a foundation wall that will protrude from the […]

Read the full article →


by Anthony Ries February 28, 2014

Part of the LEED (Leadership in Energy and Environmental Design) is to provide better environments for building occupants. Something we do every day but don’t think about much is breathing. Our lungs are very sensitive to contaminants and dust. If you have ever walked into […]

Read the full article →

Implementation Date for 2010 ADA Standards

by Sean O'Hara December 26, 2013

We’ve begun to see the 2010 ADA (American’s with Disabilities Act) Standards brought up on new construction projects. Like many codes the date in the title is not necessarily the date where it begins to apply. Given that commercial projects tend to takes month and […]

Read the full article →

Separation of Top of Foundation Wall and Adjacent Exterior Grade

by evstudio November 14, 2013

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 […]

Read the full article →

Varying Design Wind Speeds for Arvada, Colorado

by evstudio October 25, 2013

Contractors, Owners and Designers should be aware that the City of Arvada has five different wind zones of varying intensity. This could mean a difference of up to 20-25 pounds per square foot of wind pressure on the components and cladding of roofs. For a […]

Read the full article →

Windows Close to the Floor

by Sean O'Hara October 18, 2013

There are a number of codes related to windows. As windows have been growing in size, and therefore getting closer to the floor, there is a new one that we’re starting to run into. The International Residential Code section R613.2 Window Sills states: In dwelling […]

Read the full article →

Slope on Stair Treads and Landings

by Sean O'Hara October 2, 2013

I received an email today from an individual who’s contractor had built an exterior concrete stair for them. Each tread sloped 3/4″ down from back to front. I quickly emailed them back to let them know that isn’t up to code and in fact is […]

Read the full article →

Where the Building Code Requires More Than Two Exits

by Sean O'Hara October 1, 2013

In most building types the occupant count is low enough that the building is only required to have  one or two exits. The International Building Code calls out where you must have more. In each story where you have 501-1,000 occupants you are required to […]

Read the full article →

The ADA, ICC/ANSI A117.1 and Kitchen Sinks in Break Rooms

by Anthony Ries September 16, 2013

Building codes and guidelines are always full of exceptions and variations on a theme and the Americans with Disabilities Act is no different. The ADA was first created in 1990. It is designed to protect against discrimination based on disability. The act has five titles […]

Read the full article →