Laserfiche WebLink
,: <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES ID. No.: Pond #4 <br />Inspection Period: Fourth Quarter 2006 <br />Inspection Date: January 8, 2007 <br />General Description or Reference to Site Plan: <br />This pond is located on the north east comer of the refuse disposal area. It is a sediment control <br />facility receiving run-off from the refuse disposal area. The primary discharge gate has been disabled <br />in the open position, ensuring that the pond functions as a "pass-through" facility. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />4). Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Excellent odes Few Poor <br />Extensive Some ~ None <br />Yes <br />Yes <br />Yes <br />No v <br />No v <br />No ~ <br />5). Is seepage occurring through the dam? <br />Could this seepage cause potential instabilitl/? <br />Yes <br />No y <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working ordeR <br />2). !s the inlet free of deluis and restricWe material? <br />~).~s the discharge outlet free of restrictive material? <br />_ = ':~ °4j. ~'IS ervaioq occuning at the discharge outlet? <br />_ Evatu~ts the severity: Extensive Moderate <br />- - Page 1 of 2 <br />Yes V No <br />Yes v No <br />Yes jam- No <br />Yes No ~~ <br />Just starting None <br />