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HomeMy WebLinkAbout20191189 Ver 1_Corrective Action Plan_20191115'OLD SPRING' SEEP N:804142.3340 �\ � 30 7F p E: 1265483.6804 \ EL:1153.14 FLY CORRECTIVE ACTION PLAN \\\\\\ 1. ENSURE UPLAND AREA IS WELL VEGETATED AND WILL NOT PRODUCE SEDIMENT LADEN ✓� — - — — --- w\ \ \ \\\\ \\ \ \\ \ \ RUNOFF. ✓ — —\ \\ \ \\ \\, \ INS LL FRENCH DRAIN TO INTERCEPT 'OLD SPRING' FLOW w1 \\\ \ \ \ 2. RE -ALIGN STORM CULVERT THAT CARRIES SEDIMENT LADEN WATER FROM UPSTREAM J \\\ \\\\\\ \ TO A DOWNSTREAM LOCATION BELOW THE STREAM CHANNEL RE -ALIGNMENT, RE -ALIGN STREAM CHANNEL \ \ \ \ \\\ \ \ \\ \ \ \ ALLOWING IT TO CONTINUE TO THE EXISTING SEDIMENT POND. \ \\ \ \ l \ \\\\\ 1125.6 )\ 127 \ \\\\ \ \\ \ \ \ 3. RE ALIGN PORTION OF EXISTING CHANNEL AND DIRECT FLOW TO THE JURISDICTIONAL CHANNEL. / / \\ I _\\ \\ RE LIGN CULVERT TO SEND SEDIMENT LADEN WA ER TOJSEDIMENT POND 4. INSTALL OLD SPRING FRENCH DRAIN AND DIRECT FLOW TO JURISDICTIONAL CHANNEL. _ L 1123.6� 1125.4 = / /\ 1 \ \\ \ \� tip✓ /% �1 \\ / _✓// / �_�_//� / \moo \ \\ ✓ / /// / ^�� / % /� 3�44 19/ w1 II \ \ 59 _ \// �IRDHO w' 11 / ' \\\ \ \\\\ \\ _\ \\ \_ E s o \\/ �/ _ / •� / / \\, 1 \\ \ \\ wqNX / +1137.8 11 \ \\\ \ \\ 11x 1kn \�/ / j /✓/ 1137.9 wl _✓//% —\ NDERDRAIN \\ \ B U ___-- \ 1\G EXISTING = _ _ w1 /1156.8 V RELO ED TR , A AND SIDESTREAM ETLA TO AI 1156.E / z \+1157.0 +1157.6\\ +1157.1 A I\\ 1157.4 \ \ \ \ �\ \ \ o \ \ \ / /_//// /✓ / WO\\ \ \\1/ A ITH EST BL HED VEGETATION //�✓/ISTURBANCE. ALLOW XAI 1157.5 F TO LO DOWNSTREAM WITH „57.6 \ \ \ \ �\ \ _ // /_ URRENT RING FLOW AS WATERS usz. 1157.E I \ I / �\ \ \ \\\ /_/_✓ J \ — JURISDICTIONAL MINE POND — PREVIOUSLY MAINTANED BY NORMAL DREDGING, REPAIR, AND VEGETATIVE CONTROL. DRAINED AND REMOVED FROM JURISDICTION 2014. c 0 N v ro 0 6 Z �. Z i > i > i > o N f+f N 3 2 LA N v c M N N E y ZZ z W � W Y 2 Q Li Q U o 14 z J W O z J IY U U z J � T cr Q fr O Z 2 � O Z F— Z D O U J J w w U w Q oc O n z Lu C c Lu O w >_ ~ w 0� 0 U 0� rr w LL w Q U 0 20 40 60 SCALE 1" = 20' SHEET NUMBER 40F4