DIA Deicing

Runoff Recycling on the Taxiway

After reading about and discussing Denver International Airport’s centralized deicing infrastructure, I was able to see it action yesterday. According to ACRP Report 125 (http://bit.ly/2kwftcS), the airport has 7 dedicated deicing pads that cover 36 acres. The pads are surrounded by slotted drains that direct runoff to a glycol recovery facility (drains are visible just behind the deicing[…]

What’s the Point?

It’s been off and on for me in the past, but recently the question of what we’re really trying to achieve has been front and center.  I am struggling on one particular project with exactly what our water quality goals should be.  We’re trying to find a balance between checking the box and going overboard to simply make[…]

LID and GI – What’s the Difference?

Every time I think I know the difference, I read something or hear something that contradicts my understanding.  I’m beginning to think that there is no difference and that’s why we always see Low Impact Development and Green Infrastructure written together as “LID/GI.” I think I have a decent handle on LID (please correct me if I’m[…]

Regulator Magnets – INLETS

          Inlets represent the location of our last line of defense.  Many times they serve as a gateway or direct conduit to receiving waters. They are essentially your discharge point.   The quality of runoff entering inlets can often be directly tied to regulatory compliance.  Therefore, regulators love ’em. 1) Sediment control alone[…]