2008-10-03_HYDROLOGY - C1981035 ‎(2)‎

• Permit No: C1981035
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/3/2008
• Doc Name: Drainage Details Sheet 2 of 3 KII
• To: DRMS
• Permit Index Doc Type: Prof Pond Certifications
• Email Name: TAK
• Media Type: M
• Archive: No

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3,500 PSI CONCRETE VERTICAL 24"
REINFORCE WITH PRO 0 CMP RISER
FIBERBMESH 300 OR EQUIV. PER A (TYP OF 2 VERTICAL 24"
MANF. RECOMMENDATIONS 0 CMP RISER
INLET END
2' 6• +1- 10" - 10• WITH OIL
SKIMMER
+/-
4..
24" 0 CMP
(TYP OF 2) TO
V FROM OUTSIDE EDGE OF PIPE (TYP) POND
OUTLET
PLAN VIEW SECTION A
POND OUTLET (2) 24"0 CMP
FPRINCIPAL OUTLET INVERT ELEVATION = 7233.0 FT
EMERGENCY OUTLET INVERT ELEVATION = 7234.0 FT
CONCRETE BASE STRUCTURE @ RISER OUTLET PER DETAIL ABOVE
7260.00
TOP OF EMBANKMENT MIN
ELEV = 7235.0 FT '
7250.00
POND OUTLET
> ORIGINAL - . 1111- 7 .00 (2) 24' CMP CULVERT
W 7240.00 - INVERT ELEVATION = 7224.0 FT
W 90° C P SWEEP GRADE HEADWALL CONSTRUCTION DETAILS TO
(S E ABOVE) TOP SLOP FOLLOW IN SEPARATE FUTURE DRAWING SET
7230.00 - ]290.00
]220.00
ya
24.0 OR SQUARE OPEN INLET ORAMYIGE
o „maNy
GRA I E RING B COVAR- 250 SO IN OPENINGS
-0+25 0 +00
0 +50
DETAIL 1
N.T.S.
OD 143811
COMPACT MATERIAL USED IN SEDIMENT POND EMBANKMENT
SOUTH OF SECT40N D TO 95% MODIFIED PROCTOR PER TRAUTNER
GEOTECH METHODS AND TESTING, FLOW FILL INSTALLED AROUND
CMP.
S. TO FOLLOW (TYP))
24.0 OR SQUARE OPEN INLET ORAMYIGE
ROAD SUBBASE MATERIAL. CL N COOT
GRA I E RING B COVAR- 250 SO IN OPENINGS
SPEC. GRAVEL
@ APPROX 21N X 6 I
ROAD MATERIAL CL
TRAPEZOID
SPEC. GRAVEL PROFILE
W THICK PRECAST FIAT TOP.1
ROAD
RIP-RAP
UBGRADE
6" WIDE CONCRETEOOLUR
J MATERIAL ROAD
R ING AROUND FRAME -TYP-
EMBANKMENT
SEAL COLLAR RINGWITH
PROPOSED T�L. - -
RAP AND BURY GEOFABRIC
®ROAD C = 7235.0 3SAF PT
GROUT OR RAMNECKMASTIC
14 -O CMP AT 3% SLOPE TO POND
ENEATHROCKUYERAT
W
i
SITE
VYP
JB R
I' MANHOLE
MATERIAL
NK FOR LONGTERM
POND SOIL MATERIAL
COMPACTED PER POND
DESIGN DWGS.
GEOTEX NW401
SECTION
EAST CLEARWATER DITCH SECTION
"T-POSTS" ± 20' O.C.
TYPICAL INSTALLATION
4 BRAIDED NON - BARBED
FENCE WIRES AS SHOWN
EXIST`
'-S ORIGINAL GROG ND
DITCH
2
1.0%1�d
S� 10
_8' WIDE PROPOSED -
DITCH
LACE CUT MATERIAL ON
DITCH BERM AND POND BERM
DETAIL 2
N.T.S.
D50 = 0.75
24.0 OR SQUARE OPEN INLET ORAMYIGE
NOTL. CAST RING
GRA I E RING B COVAR- 250 SO IN OPENINGS
OPEC I LY IN TO CONCRETE
@ APPROX 21N X 6 I
GRADE RING AS REWIRED
TRAPEZOID
C
W THICK PRECAST FIAT TOP.1
C�
RIP-RAP
"BARS @TEA WAY
6" WIDE CONCRETEOOLUR
-
7
L
R ING AROUND FRAME -TYP-
' = -
SEAL COLLAR RINGWITH
FORALLFRAMES.
RAP AND BURY GEOFABRIC
1
GROUT OR RAMNECKMASTIC
W
ENEATHROCKUYERAT
W
i
SEALALL JOINTS WU H GRPRECAS
VYP
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OR RAMNECK MASTIC
NK FOR LONGTERM
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BARRELS)
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ABRIC STABILIZATION
DETAIL
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Z.
APPROX 21N X 61N. APPROX 2W SO IN
SEE PLANS FOR
O
OPENING AREA TOTAL WITHIN 241N CIA OPEN
PIPE SIZES 11
�U
GRATE COVER SQUARE OR ROUND OPEN
PIPE LOCATION
o
NOTE: GROUT DOUBLE WALL 241N
0
OIA ADS PIPE NTO92 N MH MSE
r�_
OPENING
X MIN CUSS
6 AGGRLGA TL BASE
9.T lKPRECAST BOTTOM
AND MONOLYTHIC BARREL
FOAL GRADE NATIVE MATERIAL TO SLOPE
COURSE
CASTING (TYP) TO INLET PER GRADING PLAN
D50 = 0.75
RIP -RAP
RIP -RAP
AL
TRAPEZOID
50 =0.
CHANNEL
TRAPEZOID
C
CHANNEL
C�
RIP-RAP
GEOFABRIC. GEOTEX NW 801. OR APPROVED
ENERGY
OISSIPATOR
-
7
L
SURFACE C�NELLN
' = -
CONTINUOUS
AS SHOWN
1
-III I III 1 If
2AH'1.OV POND
EMBANKMENTSLOPE
PONDBOTTOM
I_ i t I I I I i_I Tom, ELEV= 7226.0 FT�
�T7-
I ;1 71 r
1, - III -III L;Crt�
UNLINED STANDARD ROAD -SIDE
BORROW DITCH OR /G/
CUT
2 MAX
_ 1.5
DETAIL 7
N.T.S.
24'0 MANHOLE RING d OO✓ER -
-STORM SEWER' LABEL -SOLD
COVER IWO OPEN GRA T C INLLI)
REINFORCED \
GRADEIN
GRADE BIROS
AS REQUIRED
B' MIN CUSS:
OR6
AGGREGATE
BASE COURSE
RIP -RAP
m
m
AL
C -1
50 =0.
ANNULUS AROUND INLET GRATE OVER INLET
O
C
IN SIZE
C�
FT DA.
GEOFABRIC. GEOTEX NW 801. OR APPROVED
Y
0
U
-
7
L
r EQUAL. RIP -RAP IS D5D= 91N. DIA Wi RANGE OF 6
111 = =1
,'
IN TO IB IN DM.
RAP AND BURY GEOFABRIC
1
i
W
ENEATHROCKUYERAT
W
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AST 12' FROM TOP OF
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DETAIL
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APPROX 21N X 61N. APPROX 2W SO IN
UNLINED STANDARD ROAD -SIDE
BORROW DITCH OR /G/
CUT
2 MAX
_ 1.5
DETAIL 7
N.T.S.
24'0 MANHOLE RING d OO✓ER -
-STORM SEWER' LABEL -SOLD
COVER IWO OPEN GRA T C INLLI)
REINFORCED \
GRADEIN
GRADE BIROS
AS REQUIRED
B' MIN CUSS:
OR6
AGGREGATE
BASE COURSE
IN DA
MENTGROUTIO
AL AT GRADE
SULALLJOINTS
WITH ONCE] OR
RAMNECK
MASTIC
PRECASI
MANHOLE
SARRLIES)
�W THICK PRECAST BOTTOM
AND MONOLYTHIC BARREL
CASTING (TYP)
DETAIL 3
N.T.S.
CUTSLOPE
MAX
1.5
1 1' DEEP BORROW
2 DITCH 2
�1 7�
CUT SLOPE �
MAX 225'
SITE -WATER DITCH SiECT10N t.s
-11
2
�1
1'
2.25' -I
FILL SLOPE STABILIZE FILL SLOPE WITH WESTERN EXCELSIOR
1 �' •�, MAX 2 /EXCEL R -1 SLOPE STABILIZATION MAT OR EQUIV.
OVER THE APPROVED REVEGETATION SEED MIX:
RANGELANDAREAS.
BELOW 12" FY AND RECOMPACT TO 90% K400
PROCTOR FDETAI SITY W131.5 %OPTIMAL
MOISTURE.'. N LEVEL BENCH LIFTS KEYED
INTO NAT SOILS.
L �8�
1
2.25'
2
\ 11
CLEARWATER DITCH SECTION
3' -1- 2.25'
e
N a
W
m
m
ANGULAR RI P IN MIN 8 FT DIAMETER
C -1
O1
ANNULUS AROUND INLET GRATE OVER INLET
O
C
/ MANHOLE - ONSTALLOVERTYPARM10
C�
0
GEOFABRIC. GEOTEX NW 801. OR APPROVED
Y
0
U
-
7
L
r EQUAL. RIP -RAP IS D5D= 91N. DIA Wi RANGE OF 6
CD
IN TO IB IN DM.
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DEETER FOUNORY GRATE OPENINGS
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APPROX 21N X 61N. APPROX 2W SO IN
S
O
OPENING AREA TOTAL WITHIN 241N CIA OPEN
00
(o
�U
GRATE COVER SQUARE OR ROUND OPEN
o
GRATE COVER AT CONTRACTOR'S OPTION.
0
Z'
IN DA
MENTGROUTIO
AL AT GRADE
SULALLJOINTS
WITH ONCE] OR
RAMNECK
MASTIC
PRECASI
MANHOLE
SARRLIES)
�W THICK PRECAST BOTTOM
AND MONOLYTHIC BARREL
CASTING (TYP)
DETAIL 3
N.T.S.
CUTSLOPE
MAX
1.5
1 1' DEEP BORROW
2 DITCH 2
�1 7�
CUT SLOPE �
MAX 225'
SITE -WATER DITCH SiECT10N t.s
-11
2
�1
1'
2.25' -I
FILL SLOPE STABILIZE FILL SLOPE WITH WESTERN EXCELSIOR
1 �' •�, MAX 2 /EXCEL R -1 SLOPE STABILIZATION MAT OR EQUIV.
OVER THE APPROVED REVEGETATION SEED MIX:
RANGELANDAREAS.
BELOW 12" FY AND RECOMPACT TO 90% K400
PROCTOR FDETAI SITY W131.5 %OPTIMAL
MOISTURE.'. N LEVEL BENCH LIFTS KEYED
INTO NAT SOILS.
L �8�
1
2.25'
2
\ 11
CLEARWATER DITCH SECTION
3' -1- 2.25'
e
N a
W
m
m
1
C -1
O1
W�A/
LL
O
C
C�
0
FILL SLOPE ,STABILIZE FILL SLOPE WITH WESTERN EXCELSIOR
,.` MAX 2 / EXCEL R -1 SLOPE STABILIZATION MAT OR EGUIV.
1 J OVER THE APPROVED REVEGETAT40N SEED MIX:
i RANGELANDAREAS-
BELOW " SCARIFY ANDRECOMPACT TO 90% MOD.
PROCT OPTIMAL DENSITY W /31.5 %OPTIMAL
MOISTU E. COMPACT IN LEVEL BENCH LIFTS KEYED
INTO N SUBGRADE SOILS.
DETAIL 4
N.T.S.
30' WIDE TRUCK HAUL ROAD AND LOOP
WIDTH VARIES ON WIDENED CURVES AND IN STAGING
CONTINUATION ROAD TO MINE BUILDINGS AND NORTH ENb F TYP. HAUL ROAD SECTION
VALLEY IS 20' W IUE (-VP) N T S. 8• CLASS II AGGREGATE SUB -BASE COURSE COMPACTED TO 95%
i E2'%/SLOPE AND COMPLYING WITH CDOT SPECIFICATIONS FOR CLASS 2
CUT SLOPE REGATE SUB -BASE COURSE.
BORROW DITCH -- ' GRAVEL SU�2FACE WIDTH
9D )F L OUTWARD OUTWARD
-- -� --
------ "- ' -� - -- � - - � " 7'777 � FILL SLOPE
CLASS II AGGREGATE SUB BASE; COURSE COMPALTED TO 95, J "-
MDD AND COMPLYING WITH COOT SPECIFICATI $ OR CLASS I
AGGREGAT� SE COURS I _12" NATIVE SOIL MATERIAL SCARIFIED AND MOISTURE
CONDITIONED COMPACTED TO 93% MDD.
HAUL ROAD GRAVEL 4E, ION BASE IN RECOMMENDATIONS BY TRAUTNER GEOTECH IN MARCH 6, 2007
GEOTECHN(CAL NEERING COMMENDATIONS FOR NATIONAL KING COAL II PROJECT SITE-
DETAIL 5
N.T.S.
TYP. ROAD SECTION - ACCESS ROAD TO BELT PORTAL ON
4 FT. BORROW DITCH WIDTH
_ 12 WIDE GRAVEL SURFACE 3 w. SHOULDER
21, SLOPE OUTWARD -------------- _. _2% SLOPE OUTWARD -
\ •\ 3" COOT CL 6 GRAVEL @ 93% MOD. PROCTOR
OPTIMAL DENSITY &MOISTURE LJ
6" CDOT CL2 GRAVEL @ 93% MOD. PROCTOR
\ OPTIMAL DENSITY AND MOISTURE --
BELOW 12" SCARIFY AND RECOMPACT TO 90 %L400
12 "SCARIFY AND RECOMPACT TO 93% MOD. PROCTOR PROCTOR OPTIMAL DENSITY W /31.5 %OPTIMAL
OPTIMAL DENSITY W/ 31.5% OPTIMAL MOISTURE MOISTURE COMPACT IN LEVE E
L B N CH UFTS EYE D
INTO NATIVE SUBGRADE SOILS.
DETAIL 9
N.T.S.
TYP. ROAD SECTION - ACCESS ROAD TO UPPER SITE, OFFICE, & PARKING Sta. 0 +84.3 to 8-1
2.26 r 2 -�__F - �LOAE.tNWARD _____ -_� 20)' WIDE GRAVEL SURFACE -
CLEARWATER
DITCH 2% SLOP nUTAIAF L)
1
4 CDOT CL 6 GRAVEL 9 93% MOD PROCTOR - -� - --
�� OPTIMAL DENSITY 8 MOISTURE ��-
\ 8" CDOT CL2 GRAVEL @ 93% MOD. PROCTOR
L OPTIMAL DENSITY AND MOISTURE ILIKEYED
12" SCARIFY AND RECOMPACT TO 93% MOD. PROCTOR OPTIMAL DENSITY W/ 31.5% OPTIMAL MOISTURE BELOW 12" SCARIFY AND RECOOMPACT ODPROCTOR OPTIMAL DENSITY'Al 31.5 %CLEARWATER DITCH INCORPORATED INTO ROAD SECTION TO SIa.8 +30 - OMIT MOISTURE. COMPACT IN LFVE, BENC
FOR ALL OTHER STATIONING (DITCH CONTINUES AS SEPERATE ALIONMENT) INTO NATIVE SUBGRADE SOC::
DETAIL 10
N.T.S.
EYE SLOPE STABILIZE FILL SLOPE WITH WESTERN EXCELSIOR
\\ \\\\MAX 2 /EXCELR -1 SLOPE STABILIZATION MAT OR EGUN.
1 / OVER THE APPROVED REVEGETATION SEED MIX:
f RANGELANDAREAS.
FILL SLOPE STABILIZE FILL SLOPE WITH WESTERN EXCELSIOR
MAX 2 /EXCEL R -1 SLOPE STABILIZATION MAT OR EQUIV.
� 1 OVER THE APPROVED REVEGETATION SEED MIX:
0 RANGELAND AREAS,
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