1987-12-01_PERMIT FILE - C1981017 ‎(26)‎

• Permit No: C1981017
• IBM Index Class Name: Permit File
• Doc Date: 12/1/1987
• Doc Name: Runoff Diversion for Phase I and Phase II of Conveyor Construction
• Section_Exhibit Name: Map II-B-APP 5-3 Sheet 3 of 9
• Media Type: M
• Archive: No

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TYPICAL SECTION - B� OF CONVEYOi2 DIVE�ION DITCH
�\��jCIVEFc`= ION NOTES :
1 ) CONSTRUCT CONVEYOR DIVERSION DITCH PRIOR TO PHASE II
Too 1 OF CONVEYOR CONSTRUCTION . DITCH IS DESIGNED TO CARRY
r \ GiLE OUTL NE \ 10 YR/24 HR PEAK FLOW FROM DRAINAGE AREA SHOWN ON
��•�„_. . •••• ... .......... ...r.�,��,�. �.�, ice. .tea. — t•.• — — FIGURE A , WITH A MINIMUM FREEBOARD OF 0 . 3 FT .
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2 ) CHANNEL SHALL BE MAINTAINED AS NEEDED TO PREVENT UN-
L LOvvE2 2 F r pl�,r M P , DUE EROSION . FLOW VELOCITIES IN CHANNEL WILL BE
M I N I M A L .
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s
6
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It -8300
0
z 36.0 . • /
CONSTRUCTION SEQUENCE
LEGEND THE WASTE
EILED BPILE AND RELATED STRUCTURES WILL BE CONSTRUCTED IN PHASES AS
DETTHE AREAS WHICH WILL BE AFFECTED DURING EACH PHASE ARE SHOWN ON FIGURE A.
O OUTLINE OF SI;DDIMENTATION
I�ND THE SCHEDULE INDICATED IS TENTATIVE AND WILL DEPEND ON THE WEATHER.L
PHASE I CONVEYOR REMOVE VEGETATION AND TOPSOIL IN
\ OUTLINE OP t?L1o` l QLJNOFF nl` E12SI01\1 pITGI-+ CONSTRUCTION (MAY 1984) APPROXIMATELY 1 ,200 FT LONG BY 30
\ WP�E At_E FT WIDE CORRIDOR FROM WASH PLANT
g TO TRANSFER POINT. BEGIN CONSTRUC-
TION.
L,:!:�IOrJ Cr- (was -_EGrION PHASE II CONVEYOR REMOVE VEGETATION AND TOPSOIL IN
�\ QJ�LINE cF Fik��ti2 Q�I./ ]e CONSTRUCTION (JUNE 1984) FT APPROXIMATELY
CORRIDOR700 FT LONG BER30
CCU IS T21JCTfGJ CZAI N q(,�E plZEWIDE
POINT TO END OF BELT. BEGIN CON-
�IGUI2E A ►�-I�SE I AND � WSE I I CrONVEY(D2 �NST�l1CTION (2U►�10FF I�V�ZS 1 FERSTRUPOINNT TO END OF VOFOBELT. TRANS-
PHASE I PILE CONSTRUC- REMOVE VEGETATION AND TOPSOIL,
TION (OCTOBER 1984) AND BEGIN REFUSE DISPOSAL.
PHASE II PILE CON- EXTEND PHASE I PILE NORTHWARD TO
STRUCTION (MAY 1986) INCREASE PILE CAPACITY AND SUR-
FACE AREA,
GENERAL NOTES :
1 ) PHASE I OF CONVEYOR CONSTRUCTION (WASH PLANT TO TRANSFER POINT) IS RECEI�OED
INSIDE THE PRESENT PERMIT BOUNDARY AND IS MOSTLY DISTURBED LAND. A
DRIP PAN WILL BE PROVIDED BELOW THE CONVEYOR TO CATCH MATERIAL DROP- DEC 11987
PING FROM THE CONVEYOR ; SUCH MATERIAL WILL BE CHANNELED T•O THE EXIST-
ING SEDIMENTATION PONDS SOUTH OF COAL CREEK. MINED I
2) PRIOR TO PHASE II OF CONVEYOR CONSTRUCTION (TRANSFER POINT TO END OF
RECLAMATIONN DIVISION
BELT) , CONSTRUCT LOWER SEDIMENTATION POND AS SHOWN ON SHEET 5, CON-
STRUCT CONVEYOR RUNOFF DIVERSION DITCH AS SHOWN ON FIGURES A" AND
SECTION B-B' . ROUTE MATERIAL FROM CONVEYOR DRIP PAN ABOVE TRANSFER
POINT INTO CONVEYOR RUNOFF DIVERSION DITCH.
3) PRIOR TO PHASE I PILE CONSTRUCTION, CONSTRUCT UPPER SEDIMENTATION POND
AS SHOWN ON SHEET 5, AND EAST AND WEST RUNOFF COLLECTION DITCHES AS NEEDED AND STREAM DIVERSION AS SHOWN ON SHEET 4. PHASE I PIjE CON- RUNOFF DIVE(2SION r-'OZ PHASE I AND
STRUCTION SHALL CONSIST OF REMOVAL OF VEGETATION AND TOPSOIL, AND /� c / ^ /-
PILE CONSTRUCTION. ; PHASE I I Or GON�/EYOI2 c�NSTIZUCTION
4) PRIOR TO PHASE II PILE CONSTRUCTION , CONSTRUCT EAST AND WEST RUNOFF
COLLECTION DITCHES AS INDICATED ON SHEET 4. REMOVE VEGETATION AND COLDER ASSOCIATES
TOPSOIL FROM FOUNDATION AREA AND INITIATE PHASE II CONSTRUCTION. 17301 WEST COLFAX AVE., SUITE 275 MItO (pI�1TINENT 2ESou?LEg ING
90 PAX 156
GOLDEN, COLORADO 80401 C.Ae60N0Al_6, CAIAt2AD0
[phone]
/Z s CHECKED BY !aM
DESIGNED BY . Nc
DRAWN BY ' D L— APPROVED BY
DRAWING N0. 3—l�ZL> SHEET 5 OF q
DATE : AP21L- I�I� SCALE A5 INDIGATW