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| Content | Date | Cost | Contractor Rank | Address | Contractor |
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SCORE 56 30 Military Rd Nw, Washington, Dc 20015 Perform a total of 2 earth drillings and 1 excavation pit as tests to determine how this activities the adjacent property, the carnegie institute, with respect to vibration levels. The earth drilling will be advanced to depths ranging from 25 to feet below the existing ground. Earth drilling will be performed utilizing a track mounted drill rig that uses a 17. 5 inch diameter down hole hammer. Vibration monitoring devices will be installed on the adjacent property to determine the levels of vibration transmitted through the earth associated with the test earth drilling. The excavation pit will be dug using an excavator machine with a maximum bucket with of 36 inch and a depth to approximately 12 feet. Upon reaching the weathered rock at the anticipated 12 feet depth a hydraulic hoe ram attachment will be used to impact the weathered rock. Vibration monitoring devices will be installed on the adjacent proper to determine the levels of vibration transmitted through the earth associated wi Date: February 11, 2015 Contractor: John Ruhanna The Whitingturner Contracting CoClient: Ms Ann Schiff Westminster Ingleside Communities And Foundation | Permit type: Miscellaneous | Permit status: Permit issued | Permit id: Sb1500138 |