1988-04-29_PERMIT FILE - C1981008A ‎(17)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 4/29/1988
• Doc Name: Typical Road and Ditches Details
• Section_Exhibit Name: Tab 13 Exhibit 13-20
• Media Type: M
• Archive: Yes

NOTES:
1) All roads to be superelevated at curves in accordance
with AASHO standards.
2) Base designs for highway trucks; (H 20 Live Load used) .
/a INCH/FT. SLOPE MIN. 3) All areas under roads to be cleared of topsoil before
Y1/ INCH F or . 12' grading. All disturbed areas to be retopsoiled and
Or Equipment 24 MIN.
\ 8" OF SCORIA, GRAVEL Original Ground Width Original (Two Lanes) seeded after constuction.
OR CRUSHED ROCK Grand
4) Procedure for installation of culverts:
COMPACTED
SUBGRADE '
\\ \S E��� \QVFR BUR DEN MATERIALS) /d/Ft. �4 d. A uniform blanket of loose material Should COVeT the
\ shaped bedding to a depth sufficient to fill the corru-
S�Flarter ZMIN gations.
I MIN.'S YF
Variable Slope Depending 1 1 b. Water in the ditch or foundation should be removed.
On Materials and Heigh � or or Flatter
TYPICAL HAUL ROAD PLAN Variable 5la Depending Flat FlatterI
Material and Height Flatter
C. Poor foundation material should be replaced with
_ SCALE: 1"=5
suitable fill to provide uniform continuous support.
—FILL — min.6"Gravel or Scoria
—CUT— d. Backfill should be placed in uniform well tamped
NOTES —CUT— —FILL — 6 inch layers on both sides of the structure.
4� 2:1 or Flatter ForAH Fla side slopes e. Compaction to over 90% standard density is re-
Over 15 Ft. High quired or as directed by the engineer.
TyplcallyAMotor Grader V-Ditch;
- Grade All Ditches To Drain ACCESS ROAD
cnaecnInterssing ceptUg Dip
OrApstream nAt-off TYPICAL SECTION 5) Dimensions for the ditches are the minimum require-
ments.
scALE 1 = 10
' LIGHT-USE ROAD 6) Culverts and ditches must be maintained and cleared '
of debris.
TYPICAL SECTION
scALE= 1"=Io' 7) Trash racks to be installed when vegetation distur-
bance is occuring above the culvert (e.g. topsoil
removal and mining) .
D ITCH/w _.
1.5:1 SIDE SLOPES
8) Assumed moderate slopes (.SEE TAB 13)
9) For detailed calculations (-GLEE TAB 13)
RIPRAP (Typical) - REFERENCES
i ORIGINAL GROUND 30,— ,
American Association of State Highway Officials,
/ BERM ^.� � — — -- Manual for Rural Highway Design, 1965.
r�{ `EE TYPICAL
ROADWAY DETAIL i American Iron & Steel Institute; Handbook of
3 z 1 " i � z' —�1 Steel Drainage and Highway. Construction Products;
1.5 1.5 3 1976.
� A Handbook of Hydraulics; 1976.
HAUL ROAD Procedures for Determining Peak Flows in Colorado
2�1 TYPICAL CUT SECTION (Incorporates Technical Release No. 55) ; 1977.
SLOPE;5
�a�PsrR`Ea�► - -------- SCALE: I'= 1o' United States Department of Agriculture; Predicting
---- _ RIPRAP (Typical) Rainfall Erosion Losses, A Guide to Conservation
J
----_ __-- CULVERT
DOWNSTRE�,�'� Planning; 1978.
United States Department of Interior Bureau of
2d - Reclamation Design of Small Canal Structures*
LOPE'' 1974. _
Q
\ O�
BERM
3 0'
RIPRAP (Typical)
2' BERM (Typical) SEE TYPICAL
ROADWAY DETAIL GRASS (See Mining/Reclamation Plan)
DITCH/w 2
1.51 SIDE SLOPES
2 1 2
Flow CE
J �T
'�-ORIGIMAL _ _ _ _ _ _`_ _ /
—— GROUND — — Pit. 2 91988
MINED LAND
RECLAMATION DIVISION
TYPICAL FILL PLAN HAUL ROAD
WITH CULVERT TYPICAL FILL SECTION
SCALE : I°= 30' SCALE: I"=10
WIDTH VARIES
GRASS (See Mining/Reclamation Plan) SEE TYPICAL
ROADWAY DETAIL 2'
NATURAL GROUND 2' BERM (Typical)
2.JI _ ...:......... .:..:::::...
3\
...: : ,:..:.:. ;... �' .
2 24' 3' �
r 3r'3/4-GRAVEL MAST a CHIP 0.4' FREEBOARD BASE
GRASS (SEE -MINING/RECLAMATION PLAN) Ill ORIGINAL GROUND
CULVERT (Typical) RIPRAP (Typical)
• \ FOR LOCATIONS SEE (Exhibit NATURAL GROUND I[ 12" PIT RUN SUBBASE
M 3 1.5 3
TYPICAL SECTION
TYPICAL CROSS SECTION TEMRORARY COUNTY ROAD
- EXHIBIT III3-2O'I
WITH CULVERT (FOR ECALE I NUCLA MINE)
TYPICAL ROAD AND DITCHES
SCALE: I"=10' - ENGINEER' S CERTIFICATION
DETAILS
OWN Fig so - NUCLA MINE
Colorado P.E. 19959 PEA BODY COAL CO. 1515 S.YA LE FLAGSTAFF, ARIZONA 86001
r` 's DESIGNED BY: PEABODY COAL SCALE: AS. SHOWN
:� Mo • APR 12 1988 DRAWN BY: PCC DRAWING DATE! 6/21181
a'tL 19959 *® Date
S-0 e • 11 CHECKED BY:
:• R1
3/28/88 RJG REVISIONS
�F •. .°
a�