East Sprat Platte Microtunneled Interconnect

East Sprat Platte Microtunneled Interconnect


Thornton, Colorado

Deere & Ault Consultants, Inc. provided design review and construction engineering assistance to the City of Thornton in their 675 foot long interconnect pipeline between East Sprat Platte Reservoir and West Sprat Platte Lake.


Overview of jacking pit.

This interconnect pipeline was installed by slurry microtunneling through the Denver Formation claystone underneath the South Platte River. The pipe was 42 inch diameter steel pipe with field applied mortar lining.


Cutterhead inspection prior to river crossing.

The pipe connects the new East Sprat Platte Reservoir to existing lakes and city water treatment facilities.

Client:  City of Thornton

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