Sewer Project Involves Significant Dewatering

By Aram Kalousdian, Editor | September 28, 2010

Approximately 13,800 feet of 21-inch, 18-inch and 6-inch polyvinyl chloride (PVC) sanitary sewer pipe has been installed in Lyon Township. The work was done for future residential and commercial development. Sunset/Eclipse Excavating, of Livonia, was the prime contractor for the project. The pipe was placed from 12 feet to 30 feet deep.

"This project has wet ground. The water table is 5 feet deep. We're dewatering as we go with deep wells. Every bit of the project has been dewatered. The ground conditions have made the project very challenging. We've had a very high volume of water on this project," Tom Pender, foreman for Sunset/Eclipse Excavating, said. The project began in May and it was completed in September.

Sunset/Eclipse used a Cat 375 excavator and a Komatsu PC 600.LC excavator. The project included installing approximately 9,000 feet of 21-inch PVC sanitary pipe; 800 feet of 18-inch PVC pipe; approximately 4,000 feet of 6-inch PVC pipe; and approximately 41 precast concrete manholes. The contract amount for the project was approximately $1.6 million.

Suppliers for the project included Etna Supply, of Wixom (PVC pipe), and Premarc Corporation, of Durand (manholes).


Project: Sanitary sewer project in Lyon Township

Prime contractor: Sunset/Eclipse Excavating

Cost: Approximately $1.6 million