Printable Version General A sand and gravel pit shall be located in area that precludes pit capture.
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Pit capture occurs when a natural buffer separating mining pit from a Scenic River is breached by streambank erosion, channel migration or overflowing floodwaters. Therefore, pits shall be located outside of a Scenic River channel migration zone i.
Always contact the Scenic Rivers program before determining the location of the mining site. Maintain vegetated buffers, a minimum of feet in width, between mining disturbance activities e. Handle and store toxic and hazardous material such as fuels and lubricants outside of riparian areas. Do not operate bulldozers, trackhoes, graders or other land-clearing equipment within wetlands or any perennial streams.
Pre-Mining Phase When constructing elevated access roads, install adequately sized culverts jobs carry surface water flow across the road. Culverts should be maintained to ensure that existing flow louisiana surface water is uncompromised. Install silt fencing adjacent to constructed roads and land that is cleared and grubbed.
Mining Phase In wet processing, pump water shall flow back into the mining pit and shall not enter adjacent streams or wetlands.
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Proper berms or levees shall be installed to ensure that pump water returns to the open pit. Route runoff from stockpiles of overburden, sand and gravel back to the open pit and contain runoff using silt fencing, berms, vegetated buffers, etc. Post-Mining Phase Produce a slope of at least 4: V on the edge of borrow pits once mining has ceased. Louisiana side slopes that are 4: Recontour and resurface excavated areas using stockpiled topsoil jobs sand.
Sr. Professional Data Analyst / Data Mining – New Orleans, LA
Restore soil profile to pre-mining conditions. Stabilize topsoil by seeding. Regrade constructed access roads and remove installed culverts if no longer needed..