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1/ <br />X16.0 \ <br />1 <br />X210 <br />0251-5 <br />O <br />i <br />LEGEND <br />—+� EXISTING DRAINAGE SYSTEM TO BE MAINTAINED AS IS. <br />RUNOFF COLLECTION DITCHES TO BE CONSTRUCTED AS PART OF <br />ROCK SLOPE ENTRY PORTALS AND ROAD CONSTRUCTION. <br />CULVERTS TO BE INSTALLED AS PART OF ROCK SLOPE ENTRY PORTALS <br />AND ROAD CONSTRUCTION. <br />2% RUNOFF FLOW DIRECTION SHOWING SURFACE AND CHANNEL <br />GRADIENTS. <br />T\ PORT COLLUVIAL 11.0 I.01 IFTMIN. <br />y SOILS <br />3 F. <br />DITCH SECTION A —A' <br />— <br />/ 0 <br />SCALE I 2 2' <br />\ / / R 3 " = ' <br />U x 120 <br />4COLLUVIAL <br />\ \ 7275' 2.0 2.0 S01 LS <br />I FT, MIN. Z 1.0 1.0� -� / <br />12,500 N. <br />- DITCH SECTION 13-13 <br />\ - <br />FUELING <br />AREA � \� SCALE I" = 21 <br />\ \ <br />BATH <br />OUSE <br />I I � <br />x 070 \ A - -- <br />T <br />I2 �.. <br />a�l.o IFTMIN Logo %p <br />I ti 00 F� RETURN PORTAL �- <br />- COLLUVIAL SOILS <br />\ �_ \ -__ 6 Ooq r .• ^�` ' •`' I FT.MIN.THICKNESS RIPRAP <br />\ ° � <br />aoaopa' .0o•0'�'. � DI00 °6IN. �//% <br />/ 025 \ 2{ DIA.MIN., \ .\\ \ �� L1�t � lb'e �✓ <br />NOTES 1) RIPRAP SHALL CONSIST OF WELL- �1 <br />RS -5 \ \ - _ \ o B ICH ELEVATIO DITCH SECTION D- D F SUCH THAT HAT THE ATIOUOF D100 TOOK <br />RS -6 -i - 7165 0 1' 2' 2) RIPRAP SHALL BE PLACED OVER A <br />\ <br />xo7o \ \ \ CH A SUITABLE GEOTEXTILE FILTER. <br />11 \ ) 2° A' <br />SCALE I = 2 <br />IRS I <br />SUBSTATION I BELT ECEIV <br />TA HC C ERIC <br />BEL TL /NE ND CULVERT D ° EXT PORTAL - H C \ C ERT C BENEATH TEMP-ORARY \ /: <br />° B / �� - ON DJVISII <br />\ IN. ACCESS RAMP � ,�, - <br />efNCy <br />>�2SeV47-ION o \°% B �TCH_B <br />j INTAKE <br />_ CULVERTD <br />INTAKE PORTAL: _�� / / joJ 181N.DIA. I a / \ <br />D /TCH D TEMPORARY) ;z soFr. BENCH EI-EVATI O N <br />N a <br />iz <br />11Z 30Fr. / NCH ELEVATION A `? <br />7122 w I R 0 FT 1! <br />I l _ C1/LVER <br />\ \ TRANSFER TOWERM O 18 IN.DIA. <br />II R 0 FT �! - — — °'o _l~ - _ _ 7125 -- - <br />__ 4 \- CULVERT - <br />- - \ - 18 IN.OIA. - <br />TRANSFER TOWER #I 0 B1 N. O�A. — - -- - II I 1 \ _ - -- <br />710 <br />I <br />7125 II1, — - <br />- - _ - 1 - - \ ��� DRAINAGE DU�kNf; -P 'i`EMPORARY <br />CULVERT -8____ - <br />\� \' - - -�- f�IN,DIA —�_ <br />\ AC <br />7100 — -- —� j� �� G`�SS RAf�fP I IN P - - -- <br />�` <br />REVISIONS COLORADO WESTMORELAND INC. <br />DESCRIPTION RT GATE P.O. BOX 1 299 <br />0 40 80� _ �_ PAONIA, COLORADO 8 1 428 <br />TITLE ROCK SLOPE ENTRY PORTALS <br />SCALE 1" = 40' _ _Q" ' � —�- ���- <br />AND ROAD DRAINAGE <br />12,000 N. / - I -- DRAWN BDL SCALE " =40' DATE <br />3/23187 <br />CHECKED GM REVIEWED PGS JOB NO 873-2071 <br />�� DING No. 4 OF 7 <br />SURFACE DRAINAGE SYSTEM \� \ / Golder Associates FIGURE 4 <br />I moumumnml 11111 11111 1111 ll <br />Illllllllllllllllllllllllllll004i o} <br />