2018-07-24_PERMIT FILE - C2010089 ‎(7)‎

• Permit No: C2010089
• IBM Index Class Name: Permit File
• Doc Date: 7/24/2018
• Doc Name: Pond NHN-001 Design
• Section_Exhibit Name: Map 2.05.3‎(4)‎-8
• Media Type: M
• Archive: No

Stage Storage Curve
Pond NHN-001 As-Built
5680.0 TOP OF STRUCTURE(5679.50)
5679.0
5678.0
5677.0 EMERGENCY SPILLWAY(5677.517)
5676.0
5675.0 PRINCIPAL SPILLWAY(5675.50')
Z PEAK STAGE(5675.04)
5674.0
C
5673.0
5672.0
j 5671.0 2-6"VALVE WEEP HOLES(5671.50')
SEDIMENT LEVEL(5671.237
5670.0
5669.0
5668.0
S W I-A 5667,0
5666.0
8.5 ACRES
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 160 17.0 18.0
Accumulative Storage (Acre-Ft)
Storage Volume Computations
Pond NHN-001
ELEV. Wift LENGTH AREA AVG. INTERVAL STORAGE ACC. STAGE
(ft) 00 (ft) (ac) AREA (ft) (ac-ft) STORAGE INTERVAL
►� V Y 1-C (ac) (ac-ft) (ft)
Pond NHN-001 We ____
West Ditch �j
See Appendix 2.05.3{4}-7
"6• ACRES 5666.0 NIA N/A 0.247
for As-Built Design 1 `p
5667.0 NIA NIA 0.441 0.344 1.0 0.344 0.344 1.0
S W 1-B 5668.0 NIA NIA 0.549 0.496 1.0 0.495 0.839 2.0
5669.0 NIA NIA 0.650 0.600 1.0 0.600 1.439 3.0
25.2 ACRES 5670.0 NIA 0.753 NIA 0.702 1.0 0.702 2.140 4.0
l
5671.0 NIA NIA 0.856 0.805 1.0 0.805 2.945 5.0
5672.0 NIA NIA 0.958 0.907 1.0 0.907 3.852 6.0
5673.0 NIA NIA 1.059
1.009 1.0 1.009 4.860 7.0
5674.0 NIA NIA 1.302 1.181 1.0 1.181 6.041 8.0
5675.0 NIA NIA 1,459 1.381 1.0 1.381 7.421 9.0
5676.00 NIA NIA 1.616 1.538 1.0 1.538 8.959 10.0
5677.00 NIA NIA 1.776 1.696 1.0 1.696 10.655 11.0
5678.00 NIA NIA 1.955 1.866 1.0 1.866 12.520 12.0
5679.00 NIA NIA 2,133 2.044 1.0 2.044 14.564 13.0
5679.50 NIA NIA 2.231 2.182 0.5 1.091 15.655 13.5
_ N
Pond NHN-00I East Ditch
See Appendix 2.05.3(4)-7
_ for As-Built Design
S
100, 0 10a 2001
CONTOUR INTERVAL 10 FT.
Weep Hole 2-6"Valves
POST MINING TOPOGRAPHY
Primary Spillway 24"Riser Variable Diameter from D"to 6"
w/18"Restrictor plate Weep Hole Elev.5,671.5'
B Primary Spillway Elev.5,67�i.5'
(; D Legend
E
A
Permit Boundary
Subwatershed Boundary
---
Pip-Rap at end of Pond Design Contour
- - East Inlet Culvert
-
Top of Embankment 5,679.5' B+ C� Anti-Seep Collars - - -- -- -____.-__�__ --` 36"Diameter Full CMp
Postmining Contour
Primary Spillway 24"Barrel -- 793 (Minimum 1'Cover)
- o Emergency Spillway Elev.5,677. -"-, _ ,..
AA Road 173�2.7Dro slope ' ----•� E,
Rip-Rapped Trapezoidal Channel w/10' D Top of Embankment 5,679.5'
Bottom Flowing into a C Drop Inlet Pre-mining Contour
Existing 18" Structure then into 24"CMP06'1to outlt
Diameter CMP primary Spillway Outlet \ Emergency Spillway Outlet
(Not Being Inv.Elev.=5,666.1' Inv.Elev=5,664.3' AA Road
Used) D0 L ENGINEERS CERTIFICATION
S•••.CFs� I, Jason S. Storey, hereby certify that this map has been
STp•�O reviewed by me and is true and correct to the best of my
knowledge and information, relying on information
f8 09Z supplied by experts employed by New Horizon Mine and
that I am a Professional Engineer licensed in Colorado
.` •••��c. as required by the provisions of C.R.S. 12-25-101
5680 _, ••..•••'`��� through G.R.S. 12-25-119. IN WITNESS WHEREOF I have
A
/gN
5680 hereunder set my hand and affixed my seal.
ORIGINAL GROUND __--- JA N S. STOREY
___ _ _ _ o• P.E. No. 48092
5670 _--_- ______________________ - fr -- -- - - `� '` _.._� -JJ+r � TR-17 412018
DA E Approved 712
-- 5670
5660 POND
NHN-001
DESIGN
5660
0+00 0+40 0+80 1+20 1+60 2+00 2+40 2+80 3+20 3+60 4+00
4+40 4+80 5+20 5+60 6+00 6+40 6+80 7+20 7+60 8+00 8+40 8+80 9+20 + SCALE: AS SHOWN
9 60 10+00 .,, ORIGINAL DATE: &2012Q18
z�•. z DWG. BY. TSGT
E E '�� APPROVED BY F. FERRIS
5690 B t
D ORIGINAL GROUND NEW HORIZON MINE
5690 5685 5685 5685 � _-- Permit C-2010-089
ORIGINAL GROUND ORIGINAL5685 $680 �-�,-�-- -_____� 5680 P.O BOX 628,Nucta,CO.81424 DWG NO.
GROUND •O j ------------- -----
RIP-RAPPED EMERGENCY Map 2.05-31AI-8p , ..-___` SPILLWAY TO 72"DROP
ORIGINAL GROUND f PRIMARY SPILLWAY •OI �' DILET
5680 POND TOPOGRAPHY ' �_ ^'` •` I _ _ _-- - -
11 5680 5675 ---�- ----- �o, q NO. REVISION
�• 567 56 DATE
•o. . .� s 5 75 •� /�,• BY CHK
_ 5675 5670
5670
OEM REDESIGN POND NHN-001 TO RECLAIM
•� rR-17
1
EXCESS STORAGE 6120118 TSGT TT/FF
ANTI-SEEP COLLARS ��
5670 5670 5665 POND TOPOGRAPHY � ��•
POND TOPOGRAPHY HORIZONTAL SCALE: 1 = 401
0+00 0+40
5665 5665 5660 POND TOPOGRAPHY � 5665 5660 VERTICAL SCALE. 1 -�r - 101
0+80 1+20 1+60 0+00 0+40 0+80 1+20 1+60 0+00 +
0 4U 0+80 1+20 1+60 0+00 0+40 0+80 1+20 1+60
FILENAME.Map 2.05.3(4)-8 Pond NHN-001 Design.dwg