Sprint Cellular Tower
Elkneck, MD

Incorporated rock anchors into redesign of caisson foundation to eliminate the need to excavate rock. Pressure grouted rock to halt groundwater intrusion.

Edgar Construction Company
P.O. Box 217
Coopersburg, PA 18036


When extremely dense bedrock was unexpectedly encounter on this project the Owner was faced with a potential four-fold increase in the cost of the installing the proposed 84" diameter caisson foundation system. COOK redesigned the foundation system to a combined caisson rock anchor system eliminating the need for expensive and time-consuming rock excavation. To facilitate the use of rock anchor COOK had to first pressure grout the underlying rock to prevent potentially corrosive groundwater coming in contact with the rock anchors.