Workmanship and Professional

To whom it may concern:

This letter is to attest to the ability, workmanship and professional work ethic that I have witnessed from Castle Rock Construction Company over a time span of almost three decades. I have worked with Castle Rock Construction Company in a variety of capacities. In the early stages of my career with the Colorado Department of Transportation I worked as an Inspector and Tester. This required me to spend long hours working with the field crews to insure that the product that was being placed met the specifications required for that given project. Later in my career with the department I was an Assistant Project Engineer, Project Engineer, Resident Engineer and Managed the Concrete and Physical Properties Laboratory. In these capacities I worked with Castle Rock Construction Company’s project management personnel as well as their corporate personnel. In 2011 I retired from CDOT and took a position with Denver International Airport managing their Landside Engineering Unit. In this position I again have had the opportunity to work closely with Castle Rock Construction Company on major construction projects outside the airfield fence.

I have found that Castle Rock Construction Company to be a ‚Äúno nonsense‚ÄĚ company that prides themselves on getting projects completed on time. Their staff works hard to provide the customer a quality product on time, each and every time. As the Colorado Department of Transportation‚Äôs Concrete and Physical Properties Program Manager I chaired several specification task forces. Castle Rock Construction Company always had representatives present to give input and insight as these specifications were developed. As the DIA Landside Engineering Project Manager I worked with Castle Rock Construction Company on the reconstruction of inbound Pena Boulevard from 64th Avenue to Second Creek. This project was a great success being completed on time, on budget and within specification.

I look forward to working with Castle Rock Construction Company this Spring on the reconstruction of Pena Boulevard phase two. I have no doubt that Castle Rock Construction Company will meet or exceed the level of quality and cooperation I have received from them on previous projects over these many years.

Sincerely,

Glenn M. Frieler P.E.
Denver International Airport
Planning and Development
Landside Engineering Unit

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