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22 March, 2017 C-1981-010/Trapper Mine RAR <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 7 <br />Number of Complete Inspections this Fiscal Year: 2 <br /> <br /> Page 8 of 12 <br /> <br />A culvert inspection took place as per the following table: <br /> <br />Culvert Maintenance Comments Size <br /> <br />A9 <br />Sediment plug on inlet side. Badger hole on bank <br />@ outlet caused a sediment plug. Both inlet and <br />outlet sides require cleaning. <br />48 <br />A10 Sloughing of slope at outfall 48 <br />A11 18 <br />A12 Both inlet and outlet require cleaning. 36 <br />SAH1 Sloughing of slope at outfall 24 <br />ASH1 Sloughing of slope at outfall <br />A2 Needs cleaning on inlet side 60 <br />A3 Phase III bond release reports to this area 48 <br />A4 Sediment deposition and, grasses growing at <br />outfall 48 <br />A5 Culverts require cleaning 48 <br />A12 36 <br />A9 42 <br />GRS1 Inlet and outlet need cleaning 24 <br />GRS2 Sediment at outfall 48 <br />A14 36 <br />SA4A Update culvert size in permit renewal to 48" 48 (36) <br />SA7 <br />Update culvert size in permit renewal to 36". <br />Culvert bottom is perforated at discharge end <br />about 8 feet in. <br />36 (30) <br />SA6 REMOVED <br />SA4A <br />Water exiting culvert through bottom about 8 feet <br />back from discharge end causing channel <br />undercutting. (photo) <br />36 <br />SA3 36 <br />SA2 Water exiting culvert through bottom about 23 feet <br />back from discharge end 48 <br />SA1 <br />East culvert not draining due to grasses near <br />discharge site. Both culverts exhibited deposition <br />inside the culvert. <br />48 <br />AE7 Culvert more than half full of sediment. (Photo) 24 <br />AE4 24 <br />AE10 48 <br />AE11 48 <br />EMF1 Runoff not flowing over armored channel causing <br />channel side cutting. Rock in channel is too large. 36 <br />