CHRIS WILLETT AECOM

1241 W St Ne, Washington, Dc 20018
Dccr proposes to drill 5 geotechnical borings (nebbc-59, nebbc-61 through nebbc-63 and nebbc-65) located at 1241 w street ne. The borings will be 6 inches in diameter and drilled by hollow-stem auger. A monitoring well will be installed in nebbc-62. Permanent casing will be socketed feet into the p/a formation and grouted before continued drilling. See idw management plan and attached schematics for additional information. All drilling generated waste will be drummed (solids and liquids). Refer to the division j edr and gdr for environmental and geotechnical information. The well shall be covered and protected from surface water drainage and the vertical migration of contaminants and other materials through the well casing and well annulus.

26 Independence Ave Se, Washington, Dc 20003
Dccr proposes to drill two geotechnical borings (nebbc-66 and nebbc-67 located at 26 independence ave se. The boring will be 6 inches in diameter and 75 feet bgs, drilled by hollow-stem auger. Permanent casing will be socketed feet into the p/a formation and grouted before continued drilling. The boring will not extend into the ptx. See idw management plan and attached schematics for additional information. All drilling generated waste will be drummed (solids and liquids). Refer to the division j edr and gdr for additional environmental and geotechnical information. The well shall be covered and protected from surface water drainage and the vertical migration of contaminants and other materials through the well casing and well annulus.