Laserfiche WebLink
TABLE 2'8: INSPECTION SCHEDULE <br /> - After high rainfall event inhibit flow <br /> Culverts (greater than 1.5 inches in - Signs of buckling or crushing of culvert <br /> 24 hours) material <br /> - Excessive erosion or loss of erosion <br /> control measures (riprap collars/aprons) <br /> - Weekly Signs of geotechnical instability(bulging <br /> at toe, cracks at crest, slouqhinq, etc.) <br /> Signs of erosional instability(material <br /> Road Fill/ <br /> Embankments washing out, erosion gullies, exposed <br /> rocks without fine matrix, etc.) <br /> Signs of subsidence such as depressions <br /> or unintentional low areas <br /> - Weekly Cracks, bulges, or other signs of <br /> - After high rainfall event movement <br /> (greater than 1.5 inches in Fractures in pit walls <br /> 24 hours) Signs of subsidence such as depressions <br /> Pit Slopes - After seismic activity or unintentional low areas <br /> (magnitude greater than 3.0 Seeps or springs emanating from pit walls <br /> within 50 miles of the pit) In-pit stormwater storage"low area" away <br /> - If conditions vary significantly from pit wall <br /> from previous inspection <br /> - Daily - Berms intact, continuous <br /> Pit Berms - After high rainfall event - Berm height adequate <br /> - No ponding water behind berms <br /> Weekly - Signs of geotechnical instability(bulging <br /> After high rainfall event at toe, cracks at top of slope, sloughing, <br /> Reclaimed etc.) <br /> and/or - Signs of erosional instability (material <br /> Backfilled washing Out, erosion gullies, exposed <br /> Slopes(21 rocks without fine rnatrix, etc.) <br /> Signs of subsidence such as depressions <br /> or unintentional low areas <br /> - Quarterly - Obstructions or other blockage that may <br />� Note: Pit slope inspections will be documented on an inspection form and./or log with photographs to document <br /> conditions. <br /> e Inspections/monitoring forerosional success m discussed under exhibit E <br /> If conditions are observed that may be an early indicator of Qeotnohn|ca| instability (pits, <br />� reC|airned/b8okfi||ed@naao and road s|Op�S\ American BypSunnvvou|d infornnthe appropriate <br />! ` '' <br />� state and federal agencies (narne|y. BLM and CO DRK8S) via telephone or email, increase <br />� inspection frequency, and (depending on the Severity) would engage an engineering consultant <br />� to observe conditions and provide recommendations. If neceeSSry, the impacted area would be <br /> blocked off until the potential hazard could be further evaluated or mitigated. Corrective actions <br />� would be completed as appropriate tothe conditions encountered and plans would be submitted <br /> 26 <br />