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Developmental test report, assessment of XT-70E percussion drill rig operation in tank farms
Author(s) -
L.F. Dougherty
Publication year - 1996
Language(s) - English
Resource type - Reports
DOI - 10.2172/326866
Subject(s) - borehole , drill , hammer , marine engineering , engineering , petroleum engineering , environmental science , geotechnical engineering , structural engineering , mechanical engineering
The following report documents the testing of the XT-70E percussion drill rig for use in the 241-SX Tank Farm. The test is necessary to support evaluation of the safety and authorization level of the proposed activity of installing up to three new drywells in the 241- SX Tank Farm. The proposed activity plans to install drywells by percussion drilling 7 inch O.D./6 inch I.D. pipe in close proximity of underground storage tanks and associated equipment. The load transmitted from the drill rig`s percussion hammer through the ground to the tank structure and equipment is not known and therefore testing is required to ensure the activity is safe and authorized

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