The 411 on NC811

August 11 is National 811 Day! In case you haven’t noticed, we are big fans of 811 here at Colliers Engineering & Design. Our friends at North Carolina 811 always have something new... ... Read More

Frontline Workers Say “Call Before You Dig”

811, Know Before You Dig We all know that we’re surrounded by utilities. But we don’t often think about how many of them are out of sight, underground. Whether you are a... ... Read More

Maintaining Pipe Casing Integrity

Because gas or oil pipelines tend to be buried in soil or immersed in water, they are prone to corrosion. As such, statutes 192.467 and 195.575 from the United States Department of... ... Read More