2014-11-04_PERMIT FILE - C2010089A ‎(4)‎

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 11/4/2014
• Doc Name: Pond NHN-002 As-Built
• Section_Exhibit Name: Map 2.05.3‎(4)‎-9
• Media Type: M
• Archive: Yes

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MER NC PI AY T P P - - - - - -'
18" CM >3 FT NG _ in
r'stream buffer
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E E GEN Y SPILLWAY /,1�8 IA CAI
1 %\ GRADE + +IN T AT' 568 .75'
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\ ERGENCY WAY: 5686' 6
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Pond NHN - �2 Dr -
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co_, . slope dit ran ------
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towards ' c en ralice
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Principal Spillway Pipe
i'
X XI
/ 1 5700 Pipe daylights, 5700
5690 remainder on surface
Pond NHN-002 5690
} ' \ 5680 �-Baseline topography Meehan Draw _ 5680
5670 18"dia. CMP 5670
5660
S74 / `_ o o_ 0 0 0 0 0 0 0 0 0 0_ 0 0 0 O o 0 0 o O o_ 0 0 0 0 0 0 0 0 0 0_ 0 0 0 0 5660
/ O , _ O N M V III (D M 0) O N M mr u7 (D a0 W O N M V Lo M O N fM et 4
+ + + } + } } } + + + . + + + + t + . + + } . + + + + + + } . + + } . .
��� N N N N N N N N N N M M M M M M
// Emergency Spillway Pipe
J- - - - - - - -------- _ -
_ - ----- --- -- - -------- -- -- ------ --- 5700 Pipe daylights, 5700
/
_ -- ---------------- remainder on surface
-- -- -- --- -- - - - - - _ a - - - _ - - - _ -- 5690 Pond NHN-002 5690
_ - ---- ------ ------ -- /' - =-�- Meehan Draw
5680 �-� Baseline topography
5670 5680
18"dia. CMP
5670
5660 5660
o 0 0 0 0 0 0 0 0 0 o O o o Cl o 0 0 0 0 0 0 0 0 0 o O o 0 0 0 0 0 0 0 0 0 0 0 0
O N M V 0 0 r- eD O) O N M V ID r9 r W O O N M V u7 (o t` W M (D N M V ID co I- a0 O
I - / O O O O O O O O O O N N N N N N N N N N M M M M M M M M M M
I 1 I
I I
0' 100' 00' 300' i --- ----
/ - - - -
y
- -
New Horizon North Mine Stage Storage Curve C-2010-089
Table 2.05.3(4)-8-2 Pond NHN-002
Ditches NHN-002 North and NHN-002 South NHN-002 Ditch Design Parameters
1.00 ft. Freeboard Cumulative Minimum
Stations Flow, Q Slope, % Bottom Width Side Slope, H:1V Rip Rap,D50, in
NHN-002 North 0+00 to 9+00 13.6 1-4 12.0 2.0 N/A
2+ 9+00 to 32+50 28.0 1-4 12.0 2.0 N/A 5688
�
See table'-- '+ NHN-002 South 0+00 to 7+75 23.8 1-5 12.0 2.0 N/A �568OF STRUCTURE
1:01 7+75 to 11+00 24.0 6-10 12.0 12.0 13.0 1 5687 11
Both ditches will be built to a bottom width Of at least 12 ft 25-YRPEAK TAGE(5686.35)
and a total depth of at least 2.0 ft. Sideslopes must be no 5686 I -
steeper than 2H: lV. Channel bottom width and lining based on E ERGE CYSPILLWAY(5686.0 )
NHN-002 North Ditch � 5685
table to the right.
6770 _.� l __ 5770 0 5684 PRINCIP L SPILLWAY(5 84.00)
-� I
Spillway i 5750 > 5683
Pond NHN-002 EmergencyS illwa Channel Dimensions 5760 a°� 1 _
I ,
I 1.00ft. Freeboard 5730 -_ - _ --� - _� C �_ 5730 w 5682
1
L 4
_._r --� 5710
2 10.00 ft. - I_ - - � 5681
5ss -i -- LEAN OUT LEVEL(5680.05)
2 5710
• -
�� _ _._ _ 5690 5680
f �\ j �-
Trapezoidal Channel T1 .0ft maximum flow depth 5s70 r -_ - - _ _. 6670 5679
Equal Side Slopes . . . . . . . . . . . . . . . no . . . . . . no . . . . no no . . . . . . no . . . . o � o � o no no no now ono no n
` N - - - - - - - - - - - - - - N N N N N N N N N N N N N N N N N N N N M m OI M m m
Channel Lining: Alluvial silts collodial 5678
NHN-OW2 South[itch 5677
0.0 5.0 10.0 -15.0 20.0 25.0
5730 5730
��------,_5�, Accumulative Storage (Acre-Ft)
5710 5710
5690 _ 1U0/1 5690 Storage volume computations
/
5670 5670
New Horizon North Mine
V
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 c, 0 0 0 0 =
I n 0 N o In o In o In o In o In n N o In o In a o o Pond NHN-002
#f + + ' + + + # + + + # # + + # + + + + # #
0 0 � N N M al v a In ul m m r r m m rn rn o o
ELEV. Width LENGTH AREA AVG. INTERVAL STORAGE ACC. STAGE
(ft) (ft) (ft) (ac) AREA (ft) (ac-ft) STORAGE INTERVAL
„
A /� 1 (ac) (ac-ft) (ft)
5740 5677.00 N/A N/A 0.0000
5730 5678.00 N/A N/A 1.6156 0.8078 1.00 0.8078 0.8078 1.00
5730 __... -__ _ 57zo 1.6731 1.00 1.6732 -2.4809 2.00
5730 _ 5679.00 N/A N/A 1.7307
_ 5710 1.7891 1.00 1.7891 4.2700 3.00
6720 - --- -- 5680.00 N/A N/A 1.8475
5710 5700 5680.61 N/A N/A 1.9197 1.8836 0.61 1.1490 5.4191 3.61
_ 5690 1.9067 0.39 0.7577 6.1767 4.00
57oD __. _ -._-_ 5681.00 N/A N/A 1.9659
5690 _ 5682-00 N/A N/A 2.0860
5sso 2.0259 1.00 2.0260 8.2027 5.00
5670 J.- - - - ��. i-
2.1468 1.00 2.1469 10.3495 6.00
ss7o I'i 1- _ 56s0 5683.00 N/A N/A 2.2077
5660 i _:_ _...-
22693 1.00 2.2694 12.6189 7.00
a - a o 0 o Ion o vol Io --- - oil o Ion + Ion + voi + Ion o Ion 5684.00 N/A N/A 2.3310
O N + } } # # + + + + + t + # # +
}O (}y N M M 'Y O u) O O O r r O aD at nI
0' 50' 100' 150' 5685.00 N/A NIA 2.4560 2.3935 1.00 2.3935 15.0124 8.00
5686.00 N/A N/A 2.5826 2.5193 1.00 2.5193 17.5317 9.00
5687.00 N/A N/A 2.7108 2.6467 1.00 2.6467 20.1784 10.00
- 5688.00 N/A N/A 2.8407 2.7757 1.00 2.7758 22.9542 11.00
F ,rrmm ��aa
n�` 10OCT 7 02014
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$ �e� oW(� IDlylad/ MI'VIN°SCL� no
5730 5730 - -
- - - - -- _ _ !_ Le end �F�s•.........
5720 __ 5720 �', �', g /oi ti l WESTERN FUELS - COLORADO
A 1
5710 5710 5710 5710 Permit Boundary x: A LIMITED LIABILITY COMPANY
- - -
5700 5700 5700 Y elegy.) to 5700 ��������������������� �2 NEW HORIZON NORTH MINE
- 7z' did drop Inlet Pond Desl n Watershed Areas
5690 0 nntrwM� ^e Ce wt 5690 5690 P s 5690 9 /YORIZON' P.o Box 628, NuctA, co. 81424
nee,(PP _. - . -
- t 6'i EM, weep8wle on neec. Emerg PI way - -Lt-t
tj
by Tpi..Ily raft - 5680 5680 ) -- 568o Subwatersheds Map 2.05.3(4)-9
5680 8' Ptlnripwl SPlllway Pipe [mi 9Mq
Vnorth to e.M ,._.t-� .__ _ T Pre mine Contour
'C 1
o� oI!^n el °s ain.
e rwwr Meehan amw .,._ _t .� _,. _ 5670 5670 �'a� na °�,uea Me�et,e�,"' ---
--
5660 _I_ � 5660 5660 °row _�__1 _ 5660 '®ENnd
p "
5650 _( 5650 0 0 o IOI+I o 10 o POSi IYiiI�e VOrl' aUf UCf 7p2�14 NHN - 002 &
O O ---_ O v N N M
00 o o '+ C. ivision of
Baseline opo D1tC�1 DeS111S
0 o N N M Pond TOpo Mining Saeytion,
100 FT Stream Buffer DWG. DATE: 10/01/13 REV. NO. 2
01 40' 80'
CONT. INTERVAL 5' Contour Int. CONT. DATE: REV. DATE: 10/04/14
DRAWN BY: GLA DWG. NO.:
Map 2.05.3(4)-9 Pond NHN-002 040CT14.dwg