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Subcontractor of the Year - 2011  

 Merrillville Conservancy District: Taft Street Lift Station Expansion
 Sheet Piling Installation
 Merrillville, Indiana
 
Click to enlarge
The sheets were successfully driven with an impact hammer, after the
true soil conditions were discovered.
As a subcontractor to Bowen Engineering Corporation, Thatcher Foundations Inc. installed a 3-sided steel sheet piling pit with materials provided by Bowen Engineering. Thatcher fabricated a tight corner to complete the pit. 466.5 safe manhours were worked by Thatcher employees on this project.

Actual soil conditions were not accurately represented by a boring taken within 25' of the sheeting installation. Due to the unexpected finding of very stiff clay, Thatcher replaced the vibratory hammer initially brought on-site with an impact hammer, allowing the sheets to be driven to the design depth.

The renovations to the Taft Street Lift Station will double its capacity, creating greater potential for expansion in the southwest corner of Merrillville. The Independence Hill Conservancy District also benefits from the renovations, as its lines flow into the Taft Street Lift Station before reaching the Gary Sanitary District. The Independence Hill Conservancy District anticipates that the increased capacity will result in fewer sewer backups for its residents, particularly following a heavy rainfall.


 

Earth Retention Systems, Driven Piling, Drilled Piling, Micropiles, Marine Construction, 
Specialty Projects, Drilled Foundations, Gary, Indiana

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