Kolb Grading, LLC was selected by Winger to perform the water main extension
at the Iowa Fertilizer Plant. The project consisted of strict guidelines and a tight
schedule satisfied by Kolb Grading:
- Water Main Extension with HDPE Pipe
- Excavate and Install over 32,000 ft of HDPE Pipe Ranging from 24” – 30”
- Installation of 44 Thrust Anchors
- Clearing and Grubbing
- Private Land Excavation and Restoration
- Road Crossings and Ditch Install/Maintain
- Wetland Protection
- Fire Hydrant Assembly and Installation
