Job
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| Rock Excavation, Rocky Land Clearing |
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“Today
we worked on an area that required non-explosive rock excavation
in the area of the north courtyard. We drilled a large area of
what appeared to be pinnacle or bed rock. The rock being very
steeply sloped and irregular it is hard to be extremely accurate
on yards, but the holes (varying from 6 to 10 feet) are easily
measured. We drilled the rock on an 18” pattern. We used (39)
11-pound bags (429 lbs.) of Crack Dexpan to fill 183.83 lineal feet
of hole today. 1 trackmounted drill w/ operator worked 7 hrs.
and 6 men worked approximately 2.5 hrs. to perform the necessary
operations. An air compressor was also used to clean rock surface
and holes before filling. Jessie Scarborough from S&ME
was on site monitoring operations.”. |
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