BTrenchless Completes Major Colorado Tunnel Project Ahead of Schedule

HUDSON, Colo., Nov. 4 /PRNewswire/ -- BTrenchless, a Division of BT
Construction, Inc., of Henderson, Colorado, just completed 4,200 linear feet
of tunnels and bores for Aurora's Prairie Waters project. These tunnels were
crucial to the completion of the $754,000,000 project. BTrenchless utilized
various construction methods to account for the diverse ground conditions,
including seven Microtunnels, four TBM's, two Hammer bores, and six Auger
bores. Sizes of the installed tunnels ranged from 60" to 79" diameter.

The Prairie Waters project for the City of Aurora, Colorado, is the first
large-scale water re-use project in Colorado's history. Slated for completion
in 2010, water will be pumped from the South Platte River, undergo a six-step
treatment process, and ultimately replenish the diminishing drinking water
supply.

Website: http://www.btconstruction.com

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SOURCE BT Construction, Inc.

Janna Renberg for BT Construction, Inc., +1-303-328-7588