2021-07-22_REVISION - M2010071 ‎(6)‎

• Permit No: M2010071
• IBM Index Class Name: REVISION
• Doc Date: 7/22/2021
• Doc Name: Request For Amendment To Permit
• From: City of Lafayette
• To: DRMS
• Type & Sequence: AM2
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

OVERBUILD
SEE e
DOWNSTREAM F� 20'-0" P�EGG UPSTREAM SLOPE
4H:1V SLOPE ABOVE RIPRAP BENCH 9T y 6
SLOPE So �� 3H:1V SLOPE BELOW RIPRAP BENCH FPG�'O
6" MAX TOPSOIL SEEDED 6.0 `�LFFsr
WITH NATIVE GRASSES / TYPE VL RIPRAP
1 SEE NOTE 4 r/ \\ \,\ / ' 4 1'-O" THICK ti
/ % 1 6" COARSE RIPRAP BEDDING OVER
3 \\\ CHIMNEY 6" FINE RIPRAP BEDDING
Ai�, DRAIN
RIPRAP BENCH
EXISTING _ _ ,, \ GENERAL \\`\`"\\/ \\//\\/\ ,` \ \\/\\/\\/\\/\\/\/ -
4'-0"
I I I'—I I 1-III III=1 I I-I \\/ /\\\ / / / / / /' /' / r\ // / Fly / �\/
\ \r\\\ \ \ \
\
ilII I=--I I I I I OI VERSIB OI IU II LRI I DI EI IN_I I-II I=I \ / G�NE\/\\\\ EMBANKMENT
TRALI I III �ENERAL /����\•/�\\-//�\/�3X/\\,� N \/ \\/ \�/� / I��\
EQUAL UPSTREAM
\ \ \\/� \EMBANKMENT / / /FILL
1
AND DOWNSTREAM r\\/\ \\/�\/ /\\/\\/\\\/ j \j /\\/�%\
EMBANKMENT CORE \//\ \/\/ /\�\//\//\//\//\ ` /\//\ //\//\//\//\/�\//\�SLOPES
TOP OF
BEDROCK
r r.: AVATE DOWN TO
!)MPETENT BEDP.00H;
5. 0..
--BEDP)CI-. DPOCI-!
EQ. EQ.
CE KEYWAY
NOTES: SCALE: 1/8" = 1'-O"
1. SEE THE PLANS AND SECTIONS ON SHEETS
C-11 THROUGH C-27 FOR LOCATIONS AND 8' 0 4' 8' 16'
ELEVATIONS OF THE EMBANKMENT CORE, (::LTYPICAL EMBANKMENT DAM DETAIL
KEYWAY, RIPRAP BENCH, EXCAVATED SLOPE, C- U SCALE: 1/8" = V-0"
AND BLANKET DRAIN.
2. CHIMNEY DRAIN AND BLANKET DRAIN COMPOSED
OF PRIMARY FILTER MATERIAL.
3. THE RIPRAP WAS SIZED WITH THE
UNDERSTANDING THAT "TOLERABLE DAMAGE" TO
THE RIPRAP IS ACCEPTABLE, MEANING THAT
PERIODIC REPAIR OF DAMAGED RIPRAP MAY BE
REQUIRED.
4. PLACE GRAVEL ROAD MATERIAL IN LIEU OF
TOPSOIL FOR THE ACCESS ROAD FROM APPROX.
STA 26+00 TO 33+17 SHOWN ON SHEETS
C-16, C-26, AND C-27.
OWNER CONTRACTOR B R I E R L EY SHEET
CITY OF LAFAYETTE ROCK PRODUCTS OF COLORADO, LLC aQgpDO[/�Ey GOOSE HAVEN RESERVOIR C-30
ASSOCIATES ��°oae°ft ��� CELL 2A
P.O. BOX 893 Creating Space Underground �57505 n EMBANKMENT DAM DETAILS (1 OF 2) CRAWINCN21 OF 29
GRAPHIC,BALE 0 1" x 2" f' 3" BROOMFIELD, CO 80038 2000 S COLORADO BLVD.STE A400,DENVER,CO „a. REOSION
303.703.1405 FAX 303.53 1'1AL 4.1�7 - 0
CADD FILE NAME PLOT GATE APPRGbFD DAIS DESIGNED CHECKED DRAWN �k "(iN TRA 1 DATE DA.JOH SCALE
NO. DATE REVISIONS BY CK (- 30 E)WG P,EB MG REB MAY 14, 2021 113136-000 1;8" 1•-0"