2020-12-28_GENERAL DOCUMENTS - M1977300 ‎(36)‎

• Permit No: M1977300
• IBM Index Class Name: General Documents
• Doc Date: 12/28/2020
• Doc Name Note: Map: DISSIPATION BASIN & ROADWAY CROSSING DETAILS
• Doc Name: North Waste Rock Pile Diversion Channel, Record of Construction
• From: Colorado Legacy Land
• To: DRMS
• Email Name: AME
• Media Type: M
• Archive: No

22'-6'
-6645— . .....
15'
ELEV. 6640.75
RIPRAP CHANNEL
-.6640-
0
+ CHANNEL INVERT
ELEV. 6639.75 ELEV. 6639.75 0
ELEV: 6639.75
0;00 c�
3
/Z ELEV. 6639.75 APRON
FLOW 2:1 2:1
18, ELEV: BASIN FLOOR FLOW
ELEV. 6639.75 6639.7 ELEV:
6638.2
ELEV. 6639.50 B
ELEV. 6638.50
ELEV. 6640.75
DISSIPATION BASIN
ELEV. 6639.50 GEOWEB CHANNEL
ELEV. 6638.50 ELEV. 6638.50
ELEV. 6639.50 SEE DETAIL, SHEET 7
c
C\i
TOP ELEV: 6641.8
ELEV. 6638.50
EDGE OF EXISTING
GRAVEL ROAD
ROADWAY CROSSING
f
ELEV. 6639.50 PLAN VIEW: DISSIPATION BASIN
A SCALE: NTS
SITE PLAN: DISSIPATION BASIN
SCALE: 1" = 5'
�A ELEV: 6639.8 TOP OF BERM ELEV: 664
EG ELEVATION: 6639.5± IRV INV. ELEV: 6
639.75
ROADWAY CROSSING ELEV: 6638.5 if
GRADE TO DAYLIGHT SLOPE 2% 2'-611
-------------
'77'
-4�
GEOWEB CHANNEL
X
7'-6"
1'-2 ALL GEOWEB TO SEE SHEET 7
12' 91 KEY IN 2FT DEEP
21-011 6" LAYER OF
GRANULAR BEDDING D50 = 9" RIPRAP
GEOWEB TO KEY IN 2 FT DEEP
SECTION A -A: Profile TYP EACH SIDE OF ROADWAY
SCALE: NTS
4" GEOWEB
FILLED WITH CONCRETE
VARIES, SEE PLAN 11. EXISTING ROADWAY
24' 10,
VARIES, EXISTING GROUND
SEE VARIES 1 10 10
PLAN 18'-24'
=xxx
TENCATE MIRAFI HP570 HIGH STRENGTH 24" #4 REBAR. ofil
D509" RIPRAP SPACE @ 3'
WOVEN GEOTEXTILE SEPARATION FABRIC, O.C., E.W.
GRANULAR BEDDING
SECTION B -B: RIPRAP APRON SECTION C -C: ROADWAY CROSSING OR APPROVED ALTERNATE.
SCALE: NTS 6" LAYER OF SCALE: NTS 4 rn
���s� j �j N����i
SNA L
LFIl
DISCLAIMER TEXT: DISSIPATION BASIN & ROADWAY CROSSING DETAILS
THIS DRAWING HAS BEEN PREPARED FOR THE USE OF ALEXCO WATER AND ENVIRONMENT INC.'S
CLIENT, COLORADO LEGACY LAND, LLC AND MAY NOT BE USED, REPRODUCED OR RELIED UPON BY NORTH WASTE ROCK PILE DIVERSION CHANNEL
12-13-2019 For DRMS Review E TSC THIRD PARTIES, EXCEPT AS AGREED BY ALEXCO WATER AND ENVIRONMENT INC. AND COLORADO FORMER SCHWARTZWALDER MINE, GOLDEN COLORADO
8-5-2019 For DRMS Review D EW COLORADo LEGACY LAND LEGACY LAND, LLC AS REQUIRED BY LAW OR FOR USE OF GOVERNMENTAL REVIEW AGENCIES. ALEXCOo.TECHNICAL REVISION #28
6-10-2019 For DRMS Review C EW WATER AND ENVIRONMENT INC. ACCEPTS NO RESPONSIBILITY, AND DENIES ANY LIABILITY -1977-300
1 1 WHATSOEVER, TO ANY PARTY THAT MODIFIES THIS DRAWING WIT,-IOUT ALEXCO WATER AND MINE LAND RECLAMATION PERMIT M
5-22-2019 For DRMS Review B EW
42MM EWAM&OsWemview A EW ENVIRONMENT'S EXPRESS WRITTEN CONSENT REVISION: E 12-13-2019 SHEET No.: 9
DATE ISSUEIREVISION REV DRW. APP. DRAWN BY: TSC DESIGNED BY: SL REVIEWED BY: IL
No.
DEC 2 8 2020