Dccr proposes to drill one geotechnical boring (rcagi-06) located in the southbound turning ramp of madison st nw, at the intersection with 3rd st nw and madison st nw, south of the address 307 madison st nw. The boring will be 12 inches diameter and feet bgs, drilled by vacuum excavation methods. A monitoring well will be installed in the boring. All drilling generated waste will be drummed (solids and liquids), tested and shipped offsite for disposal. In the event the well is not completed within 1 day, the well shall be covered protected from surface water drainage, and the vertical migration of contaminants and other materials through the well casing and well annulus. A locking well cap will be installed and the rig parked over the excavation to prohibit vandalism. If no monitoring well is installed, the boring will be abandoned following ddoe requirements. No drilling spoils or excavated soils will be used as backfill. The monitoring well or well abandonment will be completed the

Construction staging area