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20" RIPRAP <br /> 1.7' FREEBOARD @ 14% <br /> 1.5' FREEBOARD 1.5' FREEBOARD @ 1% <br /> 2 O' <br /> / 2•0 FULL FLOW LEVEL i <br /> 1 FULL FLOW LEVEL + 1 - - - - <br /> 2 0.5' FLOW DEPTH 2 0.3' FLOW DEPTH @ 14% <br /> 0.5' FLOW DEPTH @ 1% <br /> / 8.0' 2.0 <br /> lrc POND �� �� Pv'l`'IP 3H: 1V EMBANKMENT SPILLWAY DETAIL DITCH DETAIL <br /> / POND J D -H1 <br /> 1.1 FREEBOARD <br /> � FULL FLOW LEVEL <br /> SLOPE MAY BE CUT OR FILL <br /> ERING 2•0' 1 - - - - DEPENDING ON LOCATION <br /> PIPE <br /> 2 0.9' FLOW DEPTH i 2.0' <br /> �1 <br /> _ 1 <br /> 0.4' D <br /> _ a a <br /> 0 0 <br /> _ 8.0' oU cc) 00 aD <br /> i \ a <br /> i1 SPERWAY y EMERGENCY SPILLWAY DETAIL MIRAFI 60OX OR EQUAL 3" RIPRAP (D 50=3") <br /> POND J RIPRAP LINED CHANNEL <br /> WIDTH <br /> DITCH DETAIL D -H1 <br /> OUNpPR( 0.3' FREEBOARD <br /> PERMIT 90000 <br /> - - - FULL FLOW LEVEL - - <br /> N FREEBOARD <br /> DEPTH <br /> DEPTH 1 <br /> W E 1 <br /> FLOW DEPTH FULL FLOW LEVEL <br /> S 1.5 1.5 - - - - <br /> FLOW DEPTH <br /> "V" DITCH DETAILS <br /> POND J DRAINAGE AREAS H AND J <br /> 3.0' <br /> SEE MAP Nos. 21-1, 21-2, 21-3 AND 21-4 FOR LOCATION <br /> PLAN VIEW DITCHES: E.CWDiv. (0.6, 7.5* & 1 .0%) <br /> SCALE 1" = 50' * Rip rap plated channels TRAPEZOIDAL DITCH <br /> MINIMUM CULVERT SIZE DITCH J3, M JJ, J10 & J11 <br /> 5870 DRAINAGE AREAS H AND J <br /> SEE MAP Nos. 21-1, 21-2, 21-3 AND 21-4 FOR LOCATION <br /> SECTION A - A ' CULVERT MINIMUM CULVERT MINIMUM <br /> SEDIMENT POND J No. DIA. No. DIA. <br /> ORIGINAL GROUND - C-H1 42 C-J15 30 Half Culvert POND J CAPACITIES <br /> 5865 I - 10. C-Ji 24 C-J16 18 <br /> ACRE - FEET <br /> 2 H : IV C-J2 24 - Use 30" C-J18 24 <br /> C-J3 12 C-J19 18 <br /> C-J4 24 C-J20 24 WATER SEDIMENT TOTAL <br /> C-J5 12 C-D1 18 <br /> DESIGNED CAPACITY 3.93 .58 4.51 <br /> C-J6 12 - Use 18" C-D2 24 <br /> 5860 FULL WATER EL. 5856' C-J7 12 - Use 18" <br /> C-J8 24 REQUIRED CAPACITY 3.03 0.37 3.41 <br /> C-J9 24" (Double Barrel) <br /> C-J10 12 <br /> •�•� C-ill 12 - Use 18" <br /> C-J12 12 - Use 18" <br /> 5855 C-J13 24 <br /> C-J14 12" (Double Barrel) CONCRETE DITCH DETAIL NOTES: <br /> •\ MINIMUM DITCH 1. For pond, culvert and ditch sizing calculations <br /> see Volume XI Appendix B. <br /> • Q• �' EMBANKMENT 2. Riprap shall consist of hard, dense, rough <br /> 5850 EL. 5858' DEPTH REQUIREMENTS fractured stone as nearly cubical as <br /> DRAINAGE AREAS H I AND J practical. Stone shall be well graded in <br /> 2.p' 1 1.8' FREEBOARD order that the voids can be filled, and at <br /> SEE MAP Nos. 21-1, 21-2, 21-3 AND 21-4 FOR LOCATION least 50 percent of the mass shall be <br /> stones equal to or larger than the specified <br /> DITCH DITCH FLOW 1 riprap size. <br /> No. DEPTH DEPTH 3. A geotextile fabric shall be placed under <br /> 5845 F LL SEDIM NT EL. 5848' B TTOM EL 5846' FULL FLOW LEVE all riprap. Use Mirafi 60OX or equal. <br /> D-H1 SEE DITCH DETAIL D-Hl 02' FLOW DEPTH 4. Pond dewatering pipe shall be plastic <br /> O O C) O C) C) O C) O C) C) C) CD O CD CD CD D-H . <br /> 2 0.8 0.5 irrigation pipe, PIP, 80 psi rated, with bell <br /> O + CV 1) -1 Ln .0 n oo O� o + CV K) � LC) .0 1 and spigot joints or glued joints, valved <br /> + o + + + + + + + + + _ + + + + + D-I1 SEE CONCRETE DITCH DETAIL on the outlet end. <br /> O O O O o O O O O - 5. For sediment control plan see Ma No. 20. <br /> D-Jl 1.0 0.7 P P <br /> D-J2 DELETED FROM DESIGN 1.0' 6. For drainage plans see Map No. 21-1, 21-2 <br /> D-J3 2.3 2.0* 21-3 and 21-4. <br /> 5860 EMERGENCY SPILLWA EL. 585 ' 5860 D-J4 3.4 3.1 21 TR-122 ADQ #1 r.K.e. 12/28/20 <br /> D-J5 1.0 0.7 ENGINEER'S CERTIFICATION <br /> FULL WATER EL. 5856' 1 D-J6 1.0 0.7 20 TR-122, Remove CW ditch, re-align East U/D T.K.B. 10128120 l hereby certify t . drawing was done <br /> D-J7 1.7 1.4 Cn 19 TR-118 Reduce size of gob pile #3 T.K.B. 02105119 by me or un c�lq pervasion and <br /> D-J8 0.5 0.2* z 18 TR-109 Expand Pond ✓ to the West T.K.B. 09109116 that all of rrj-q esented on <br /> 0 <br /> 5855 S 2% 5855 SECTION B - B D-J9 1.3 1.0* M 17 TR-105 East gob pile #3 expansion T.K.B. 09129115 this drow' .��Mue •• ct to the <br /> D-J10 2.2 0.9* > best of fowled e9 <br /> w 16 TR-91, Adequacy Response #3 T.K.B. 12/22/14 y g 64d elief and <br /> f1 D-J11 1.6 1.3* � on J s :ten <br /> - - -_ - _ _ __ _ _ _ SEDIMENT POND N D J D-J12 0.7 0.4 15 TR-84, Adequacy Response #2 T.K.B. 06112114 with this esl �� cordance <br /> -S = 2% - - - „ _ No. DESCRIPTION: BY DATE <br /> 10 •,�.4 _ <br /> TJ- 1 - D-J13 0.7 0.4 <br /> D-J14 0.8 0.5 REFERENCES Tommerin K. S '9is <br /> /0����� Date <br /> A TI-SEEP COLLAR 2H : IV D-J15 0.6 0.3 1 VOLUME lll, EXHIBIT 8 Colorado P.E. 4 <br /> 5 8 5 0 5850 D-J16 0.5 0.2 2 VOLUME 1, SECTION 2.05.3(4) <br /> SECOND RY DEWATERING PIPE D-J17 1.3 0.9 PREPARED FOR: PROJECT: <br /> INLET L. 5854 D-J18 1.1 0.9 BOWIE N0. 2 MINE <br /> FULL SEDIMENT EL. 5848' D-J19 1.1 1.1 � D BOWIE RESOURCES, LLC TITLE: <br /> B TT M EL 5 46' D-J20 DELETED FROM DESIGN D BOWIE NO. 2 MINE <br /> 5845 5845 D-J21 2.2 1.9 P.O. BOX 483 POND J DETAIL <br /> WDIV #1 1.5 1.2 BOWIE RESOURCES, LLC PAONIA, COLORADO 81428 <br /> 0 0 0 0 0 0 o C) o D-D1 0.5 0.2 <br /> C) + CV K) -1 LO .0 r- aO I ONE INCH <br /> + + + + + + + + + D-D2 1.3 1.0 PREPARED BY: J. E. STOVER & ASSOCIATES <br /> C ) CD O O O O C) o D-El 0.5 0.2 P.O. Bog 60340 DESIGNED BY: T.K.B. 1%6 DMG I.D. No. C - 1996 - 083 DWG. NAME: <br /> Grand Jct., CO 81508 DRAWN BY: SCALE: MAP N 0. 2 2-J <br /> * SEE TRAPEZOIDAL DITCH DETAIL - __ CHECK D BY: AS NOTED <br />