Subterranean Drilling, Seattle, WA
Client: Onni Group
Equipment: CME 55 LCX and 60-ton crane
Description: Using a 60-ton crane, we lowered a CME 55 LCX drill rig 80 feet below ground level to drill environmental monitoring wells.
We installed thirty-four permanent environmental monitoring wells, including 30 40-foot by 2-inch wells and four 30-foot by 2-inch wells. Later, our team installed well monuments to finished grade. Client will periodically collect and test water samples per DOE requirements.