2011-02-03_REVISION - M2000158 ‎(22)‎

• Permit No: M2000158
• IBM Index Class Name: Revision
• Doc Date: 2/3/2011
• Doc Name: Erosion Control Plan
• From: Civil Resources
• To: DRMS
• Type & Sequence: AM2
• Media Type: M
• Archive: No

1
I - - -�_-- � � � �`• '( I PYRAMATO HPTRM ON A SLOPE
SITE PREPARATION
t \ % /� �� _�\ ` c / %�� f - / \ I • GRADE AND COMPACT AREA OF PYRAMAT® HPTRM INSTALLATION AS
DIRECTED AND APPROVED BY ENGINEER. SUBGRADE SHALL BE
UNIFORM AND SMOOTH. REMOVE ALL ROCKS, CLODS, VEGETATION
OR OTHER OBJECTS SO THE INSTALLED MAT WILL HAVE DIRECT
/ CONTACT WITH SOIL SURFACE.
�' �� \ ``� /, \� \ �/ /��/ % I \1 f/ III, • PREPARE SEEDBED BY LOOSENING THE TOP 2 -3 IN (50 -75 MM)
MINIMUM OF SOIL.
� ��' • INCORPORATE AMENDMENTS SUCH AS LIME AND FERTILIZER AND /OR
CELL �� WET THE SOIL, IF NEEDED.
1 CELL DZ �� // �' o O 6„ fl" • DO NOT MULCH AREAS WHERE MAT IS TO BE PLACED.
�� _
1797 LF SLOPE � CELL %32 ��, � � \ v -
--� �( CELL B
- 1 �.- - _ - - � - - -- SEEDING
�II II PROTECTION ��� - _ - '� - • APPLY SEED TO TOP SOIL SURFACE AFTER INSTALLING MAT. ALL
DISTURBED AREAS AO BE E
• CONSULT PRO CTPLAN AND/OR SPECIFICATIONS FOR SEED
TYPES AND APPLICATION RATES
PLACE A MINIMUM 6 INCHES OF TOPSOIL ATOP AL PYRAMAT
�-- - S I \ I� •
INSTALLATION.
-- - --= � _�- -- _\ - -_ - N // t\ TURF I ;(� INSTALLATION ON A SLOPE
_- INSTALLATION LAYOUT AND DETAILS FOR
l
' � ` �� (,�� • DETAIL A SHOWS GENERAL INSTA
REINFORCEMENT ' .
PYRAMAT® HPTRM ON A SLOPE
SLOPE I�
� •EXCAVATE INITIAL TRENCH 12 IN WIDE X 12 IN DEEP MINIMUM 2 -3
PROTECTION �,li ��� �( FT OVER END OF SLOPE AS PER DETAIL B.
> PYRAMAT ��
-- 1 �.` •EXCAVATE LONGITUDINAL EDGE TRENCHES 12 IN WIDE X 12 IN
DEEP MINIMUM ALONG BOTH SIDES THE INSTALLATION TO BURY
CELL "A RIPRAP SLOPE I ;�r� EDGES OF MAT DETAIL E. THE LONGITUDINAL EDGE TRENCHES
\ 1 D
PROTECTION 1� SHALL BE LOCATED ALONG THE FIRST AND LAST INSTALLED ROLLS.
-
\ _ -,', , • BEGINNING IN SECURE
WINDS PLACE
THE DOWNSTREAM END OF
ROLL END INTO THE INITIAL TRENCH AND SECURE WITH PINNING
DEVICES ON 12 IN CENTERS. POSITION ADJACENT ROLLS AND
M CELL C2 SECURE IN TRENCH IN SAME MANNER. BACKFILL AND COMPACT
_ -- -_r
L� �•° 3321 LF SLOPE CELL C2 �� A / _ - - '' ® A - _ SOIL INTO TRENCH AS DIRECTED AND APPROVED BY ENGINEER.
PROTECTION CELL Cl /i,�/ �. -- - -_ - ` _ -_ --
'�! B �� ROLL AT DOWN THE SLOPE OVER THE COMPACTED INITIAL
I y, 3 � TRENCH.
M
i E
�� ® I � � \� � . it TRENCH.
ul ® \ SECURE LONGITUDINAL EDGE TRENCH WITH PINNING DEVICES ON 12
CELL B \ _ = IN CENTERS AS PER DETAIL E .
© !i= 2968 LF SLOPE N� �� BURIED • CONTINUE INSTALLATION AS DESCRIBED ABOVE, OVERLAPPING
RIPRAP SLOPE. \ I PROTECTION '� \\ \\ RIPRAP ADJACENT ROLLS AS FOLLOWS: 11 O PROTECTION �� �� 1 ��! , RIPRAP ° DIKE 3767 LF SLOPE A. ROLL EDGE OVERLAP: 6 IN MINIMUM OVERLAP WITH
290 LONG l UPSTREAM MAT ON TOP. SECURE WITH ONE ROW OF GROUND
r 1 I /_ PROTECTION
TURF ! WING BAR fl ° _- ,- -- � o i% PINNING DEVICES ON 12 IN CENTERS.
REINFORCEMENT ��� 20O LONG B. ROLL END OVERLAP: 12 IN MINIMUM OVERLAP WITH UPSLOPE
SLOPE %�( �- MAT ON TOP. SECURE WITH TWO ROWS OF GROUND PINNING
- T, -� /� - PROTECTION
(PYRA % ( _ / DEVICES STAGGERED 12 IN APART ON 12 IN CENTERS (SEE
J
MAT) % /�� »� _ - o DETAIL D )
\ �✓ / ,/ TURF REINFORCEMENT SLOPE PROTECTION PYRAMAT ° • SECURE MAT USING SUGGESTED GROUND PINNING FREQUENCY AND
SEGMENT LENGTH BEGINNING COORDINATES ENDING COORDINATES PATTERN SHOWN TERMINAL QN DETAIL F.
EXCAVATE TERMINAL TRENCH 12 IN WIDE BY 12 IN DEEP MINIMUM
V� %�\ CELL C9 ID LF (OTOE OF SLOPE) ( @TOE OF SLOPE) o /� 12 IN (300 MM) FROM THE TOE OF SLOPE (SEE DETAIL C).
OE �. /� ` % 4838 LF SLOPE / 1 1741' E= 3178731.8307 N= 1334316.1349 E= 3178857.9864 N= 1336039.3275 \ R /PFj2 \ - • PIN, BACKFILL AND COMPACT END OF MAT IN TERMINAL TRENCH.
7 � � �\ \ \ >~r � � �'� PROTECTION / � 2 609 E= 3178887.8978 N= 1336249.4717 E= 3179075.8010 N= 1336827.6173 _ ��-�� PINNING DEVICES SHOULD BE SPACED ON 12 IN
,,�, TERMINAL TRENCH PINNI
2668 E= 3179050.5590 N= 1337532.4586 E= 3179090.1086 N= 1339996:8182 - CENTERS (SEE DETAIL C).
S 4 1314 E- 3178763.4502 N= 1340267.2590 E= 3177861.7166 N= 1341106.8889
\ 5 821 E= 3177705.0428 N= 1341193.2527 L- 3177111.8538 N- 1341760.0644
GROUND PINNING DEVICES
944 E= 3176871.1067 N= 1343342.3314 E= 3177283.6163 N= 1344133.8967 •METAL PINS SHOULD BE AT LEAST 0.20 IN (5 MM) DIAMETER
389 E= 3177403 3184 N= 1344489.5207 E= 3177705.4743 N= 1344734.3759 BURIED RIPRAP DIKES 8 576 E= 3178057.1706 N- 1345343.8967 E= 3178422.6047 N= 1345784.3281 STEEL WITH A 1 1�2 IN STEEL WASHER AT THE HEAD OF THE PIN.
ID BEGINNING COORDINATES ENDING COORDINATES METAL PINS SHOULD BE DRIVEN FLUSH TO THE SOIL SURFACE.
449 E= 3178571.9841 N= 1345866.4349 E- 3178933.4293 N= 1346909.0284
G1 \ H _ / �1 @TOE OF SLOPE END NEAREST R467 PINS SHOULD BE MI PENETRATION S IN LENGTH AND HAVE
i 1260 E= 3180019.3121 N= 1346504.7847 E= 3181123.2308 N= 1346263.5094
I RIPRAP SLOPE PROTECTION REVETMENT E= 3180755.1664 N= 1346536.3039 E= 3180772.0673 N= 1346735.oaa7 SUFFICIENT GROUND PENETRATION TO RESIST PULLOUT. LONGER
E= 3180003.0310 N= 1346503.3291 E =3179977.1506 N= 1346701.1051 PINS MAY BE REQUIRED FOR LOOSER SOILS. HEAVIER METAL
/ SEGMENT LENGTH BEGINNING COORDINATES ENDING COORDINATES E =3178556.5760 N= 1345860.6681 E =3178497.9915 N= 1346051.4919 STAKES MAY BE REQUIRED IN ROCKY SOILS.
ID LF ( @TOE OF SLOPE) ( @TOE OF SLOPE) E= 3178048.1815 N= 1345330.1896 E= 3177568 6507 N 1345416 6848
RIPRAP \� Q- ' QA 927 E= 3179399.3740 N- 1333889.7585 E= 3,178,731.8307 N- 1334316.1349 E= 3177719.5118 N= 1344743.7850 E= 3177 40.8262 N- 1344838J043 SOIL FILLING
WING BAR
,. �� 212 E =3178857.9864 N= 1336039.3275 E= 3178887.8978 N= 1336249.4717 E= 3177278.6715 N= 1344150.5436 E- 3177086.9978 N= 1344208.6502 • INSTALLED PYRAMAT® HPTRM SHALL BE RE- SEEDED AND
Q / SOIL- FILLED.
200' LONG \ \`� 4 -69 E= 3179075.8010 N= 1336827.6173 F_= 3179232.2390 N= 1337176.1719 E= 3176864.8220 N= 1343326.9054 E= 31766942329 N= 1343433.6153
1/ - 300 E= 3179263:4307 N= 1337329.7839 E= 3179050.5590 N- 1337532.4586 E= 31771 -00.3253 N= 1341772.1865 E- 3176914.1053 N= 1341695.1394 •AFTER SEEDING, SPREAD AND LIGHTLY RAKE 6 INCHES OF FINE
300 E- 3179022.4780 N- 1340127.0351 E=3178763.4502 N= 1340267.2590 E= 3177845.3759 N= 1341111.5162 E= 3177751.7019 N= 1340932.7846
SITE SOIL OR TOPSOIL INTO THE MAT AND COMPLETELY FILL THE
179 E= 3177861.7166 N= 1341106.8889 E= 3177705.0428 N= 1341193.2527 E= 3178772.3270 N- 1340253.1078 E= 3178571.26.15 N= 1340240.3243 VOIDS USING BACKSIDE OF RAKE OR OTHER FLAT TOOL.
jJ • NO MOBILE EQUIPMENT IS ALLOWED ON THE MAT.
697 E= 3177111.8538 N= 1341760.0644 E= 3177263.6971 N= 1342323.3261 E= 3178774.9665 N= 1339677.9975 E= 3178574.8543 N= 1339665.1237 . AVOID ANY FOOT TRAFFIC OVER THE MAT IF LOOSE OR WET SOIL
583 E= .3177038.4308 N= 1342842.0397 E= 3176871.1067 N= 1343342.3314 E= 3178833.8985 N= 1339000.853.1 E= 3178633.4171 N= 1339004.1760 CONDITIONS EXIST.
PERMANENT EROSION CONTROLS PLAN 394 E= 3177283.6163 N= 1344133.8967 E= 3177403.3184 N= 1344489.5207 E= 3178881.2756 N= 1338250.8778 E= 3178682.4565 N= 1338224.7041
y 492 E= 3177705.4743 N= 1344734.3759 E= 3178159.3247 N= 1344700.6514 E= 3179056.9663 N= 1337517.2835 E= 3178857.6630 N= 13374- 9L2062
I 1 0 250 500 302 E= 3178094.2613 N- 1345079.4353 E= 3178057.1706 N= 1345343.8967 E= 3179080.1334 N= 1336843.4939 E= 3178880.2187 N= 1336855.6845
NORTH 170 E= 3178422.6047 N- 1345784.3281 E= 3178571.9841 N= 1345866.4349 P E= 3178857.7673' N= 1336056.0408 E= 3178661.0956 N- 1336090.6800
„ (IN FEET) 549 E- 3178933.4293. N= 1346109.0284 E= 3179364.1614 N= 1346203.3932 E= 317885x.8603 N= 1335043.6529 E= 3178656.4788 N= 1335061.1395
537 £= 3179714.0796 N= 1346128.3014 1 E= 3180019.3121 N= 1346504.7847 E=3178734 -.5359 N= 1334307.4408 E= 3178534.7725 N =1334307:2243
2 6" TOPSOIL
4 ft A NATIVE GROUND OR
6" TOPSOIL Oq FABRIC TAIL COMPACTED FILL TO 70' 440
M S�0 3 f 1.5" DIA. 12" MIN. 95% OF ASTM D698 S<Op�NO ee3'
\ (TYP.) <O� 4'
2.5
EXTERNAL SIDE SLOPE \ \ \ PF 2 "S. _ STEEL 6" TOPSOIL T
z
1 OF DAMS \ \ 2 (TYP) 4 t 2 PINS WASHER r - EXPOSED, 2_4" THICK LAYER oe VERTICAL
PER SQ 00 OF D50 =12" RIPRAP FLOODWAY
l0• YD COMPACTED FILL TO
1' (TYP) 11- q( � � (UDFCD TYPE "M „)
GROUND COMPACTED TO S� oAG 0.20 " DIA. 18" (TYP) 95% OF ASTM D698
OF ASTM
INITIAL TRENCH 95% 0698 4 STEEL P VERTICAL r-- \ MIRAFIABRICNORLTER ATOP FABRIC TAIL 1 FT SOIL
F
AT TOP OF SLOPE FLOODWAY 2' (TYP) APPROVED EQUAL REFERENCE COVER
6 �_0 1'x1 ANCHOR TRENCH (TYP) POINT
°/ o a g b °� PYRAMAT HPTRM OR �1 (�P) PIN PIN PYRAMAT TRANSITION TO RIPRAP:
PYRAMAT / °/ a_ o _ REFERENCE 18" ADJACENT TO AND 2 FEET
o/ o b--- o APPROVED EQUAL
POINT SPACING DETAIL BENEATH RIPRAP FOR TIE -IN
HPTRM ®i/ ° ° i// ® o/ o III
BURIED, LAYER OF
° o °i ° ° III G F PIN PLACEMENT DETAIL H RIPRAP SLOPE D50 =1'2" RIPRAP
5' RIPRAP
/° /
RIVER ✓ ill 4 FT TYPICAL INSTALLATION EC2 PROTECTION DETAIL UDFCD TYPE "M ") RIP
PIN ®/ o o E ��(OW ® li III VERTICAL DETAIL EC2 TYP
OVERLAP o o ° _ III -III FROM EC2 NOT TO SCALE
AT EDGE °// III; III III -- NOT TO SCALE FT
OF ROLL °j o/ / o !-1 TOE NOT TO SCALE
/ o/ of o III III -III. I Pyramat HPTRM EXTEND
FROM TOE OF BAR DAM. 00SEE
FLOW
(P') ° ° III III -:III FACE OF SLOPE Pyramat HPTRM Q COMPACTED PLAN FOR LOCATIONS -.�
o// °/ o °// o I -III \I -]I' 2 -3 FT TYP COMPACTED � 3' TYP I
TERMINAL / o / HINGE POINT (PREPARED SUBGRADE)--,,,_ BACKFILL
TRENCH o/ ° ° ® °i ° =III III BACKFILL \� COVERED \ \ \
o// / ® o/ III III III Pyramat HPTRM -1= EDGE / / /iAz �i' /� / %��/
AT TOE / ° -III III II Pyramat Ill OVERLAPPING 4 e }� ��'`' <a a I BURIED RIPRAP DIKE
OF SLOPE / o/ o o/ ° III 111 h= COMPACTED I- o (/, EC2 DETAIL
_ HPTRM I 1 ;-
/ o / -III III. = BACKFILL a
°j III -III -III -III III a I; :III 11 1 EDGE Q �� �� D < D NOT TOSCALE
12° MIN
® o/ ��
=1
__ II III -III;-
III "i II Ill illi 12 "MIN
III - I_ 12 IN MIN
NI
REFERENCE 'li III I-
POINT III- 1 111 \III ��.�� %�•���;� ��� °���- 1 FT MIN
�- / / \/j y i /\ j/
FACE OF SLOPE ! 2
MIN N ► 12 MIN A,y
PERSPECTIVE II =IIL. III III ;f II (PREPARED SUBGRADE) \ PINS -PINS 12 IN MIN. PINS
*GV ER P LONGITUDINAL EDGE
INITIAL TRENCH AT C TERMINAL TRENCH AT TOP OF SLOPE DETAIL TOE OF SLOPE DETAIL DETAIL EC2 TRENCH DETAIL
NOT TO SCALE NOT TO SCALE NOT TO SCALE NOTTO SCALE
ANENT RIPRAP ON THE INTERIOR OF RESERVOIR CELLS SEE SHEETS GP1 -7
NOTE. ADDITIONAL PERM
SEO FILE NO C- 9 c-1973, C-1972,
C -1971 C-1970 & C -1969
GILCREST RESERVOIR, LLC
NO.
REVISIONS
DESCRIPTION
DATE
BY
GILCREST RESERVOIR FACILITY
PERMANENT EROSION CONTROL PLAN AND DETAILS
1
SEO COMMENTS
]AN 11
CMC
323 5th Street
CIVIL R E SOU R C E S, LLC P.O. Box 680 Frederick, CO 80530
303 833 1416 (p) 303 833 2850 (f)
DESIGNED BY: CMC
DRAWN BY: CMC
CHECKED BY: BLH
DATE: MAR 2010
SCALE: AS NOTED
JOB N0.
DWG: EC 2
141.001.10
SHEET: c O
V