Laserfiche WebLink
e } <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES lD. No.. Pond #4 <br />Inspection Period: Fourth Quarter 2007 <br />Inspection Date: January 3, 2008 _ <br />General Description or Reference to Site Plan: <br />RECEIVE® <br />I <br />MAY ~ 4 2008 <br />Division of keclamation, <br />Mining and Safety <br />This pond is located on the north east comer of the refuse disposal area. It is a sediment control <br />faality receiving runoff from the refuse disposal area. The primary d'~scharge gate has been disabled <br />ition, ensuring that the pond functions as a "pass-through" facil'dy. <br />in the open pos <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 />Qt the principal spillway inlet? <br />,'Exc:ellent~ Moderate Few ,Poor <br />Extensive Some ~ None <br />Yes <br />Yes <br />4}. Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Yes <br />.i <br />No <br />No ~- <br />I <br />No <br />5). Is seepage occurring through the dam? <br />Could this seepage cause potential instabiliitl? <br />Yes No <br />_..r.~- <br />PRINCIPAL SPILLWAY <br />1). is the principal spillway system in working order? <br />2). is the inlet free of debris and restrictive material? <br />3). Is the discharge outlet free of restrictive material? <br />4). is erosion occurring at the discharge outlet'? <br />Evaluate the severity: Extensive Moderate <br />Y~ 1.~- No i <br />~~ <br />Yes t , No <br />I <br />No <br />Yes l i _:~ <br />i <br />Yes No r% <br />Just starting None <br />Page 1 of 2 <br />