HomeMy WebLinkAboutD-232501tRANSITION TO MATCH 111.G IS, ..IsP PEP , 9-F
EXISTING DITCH GRADE BAC FILL PER 7- '116, OP 11,71-E
UPI' E1111111 C 1111111L
REMOVE CXISTING 24' CULVERT AND Dl-,PUSE\
EXCAVATE EXISTING CHANNEL USING HAND LABOR AND VACTOR TRUCK (AS APPROPRIATE)
DISPOSE OF EXCAVATED MATERIAL AT AN APPROVED DISPOSAL FACILITY. Z
MINIMIZE DISTURBANCE OF EXISTING WOODY VEGEFA VIDN, SAVE TRIMMED MLLOW CUT17NGS FOR RESTORATION. GAUGE CORRUGATED ILUMINUM ARCH CULVERT PEP
INVERT 239, MINIMUM COVER 1_5 FT ASPHALT CGATE
SECTION OF CHANNEL MUST BE ELECTRO-SHOr-'KED BY WASHINGTON STATE DEPARTMENT OF FISH & WILDLIFE TO -----------------------
DENSITY F
RELOCATE FISH, PRIOR COMMENCING WORK-
TE34PORARY FLOW BARMORS SH&L BE INSTALLED TO ISOLATE THE PROJECT AREA FROM SURFACE FLOWS AND ----- ---- GTCCT
CIO PREVENT SEDIMENT FROM ENTERING FLOW PRIOR TO CONSTRUCTION. ----- --- ---- ---------- - PH
EXTREME CARE SHALL BE TAKEN TO PREVENT CONTAMINATION OF THE FLOW DOWNSTREAM OF THE PROJECT IND E 7
LE11 WITH TURBID WATER OR OTHER CONTAMINANTS. INSTALL TEMPO:?ARY FLOW BARRIOP
C-) PROVIDE CLOSED CONDUIT FLOW 13YPASS AROUND AREA -10 BE EXCAVATED `l (_T - - - - - - - _Ull SUDL SLEEIE TTF
Cf� ALL WORK SHALL BE CUNDUCTED IN STRICT COMPLiMCE WITH PERMIT REQUIREMENTS PROJECTION DF E
Q� >- n ALL WORK SHALL 13E PERFORMED IN CLOSE COOPERATION WITH WASHINGTON STATE DEPARTMENT OF FISH AND 'NE CDINEP AP-DIED EQUAL)
T TO SANITARY SEWER OR ALLOWED TO PASS THROUGH AT LEAST -FPDA,IDt, MATERIAL PcI I—— A Mil
TURBID WATER SHALL BE DISPOSED OF
r—) Lj-, 100 FEET OF GRASSED SURFACE PRIOR TO RETURN TO CHANNEL- OF IIIE OF, C-l"
COAA 3/4' SHACKLE ROSS
(f) PROVIDE OPENINGS IN SECTION OF FENCE-, PER PENTON CITY SPEC
D_ AS REQUIRED TO ALLOW AN UNRESTRICTED 'AAfNEL DC L TAR EPDXY COATED
0 CD
EXCAVATE SEDIMENT TRAP
ul Sf-lKA SPURCE OR APPROXIMATELY 12' x 12' BY 2' DEEP REMOVE EXISTING 21' CMP "D DIi— SE
W WESWERN RED CEDAR USING MECHANCAL EQUIPMENT
E IN HIGHER AREAS
(TOTAL 7 TREES) LACE EXISTING 24" CMP WITH NEW 64" x 43", 10 GA, ccE'R'M' LI CALICO lEIIIIATEI ILIIINI" 11-1 I1111IT III I-
ON I OR ND
-20 LOAD RATING AT 1.5' BURIAL PIPE BA UPC --NDPTH EDGE
OR OWNER APPROVED EQUAL PER 7-IDN,,R APE_A IS L I MEET LINES ARE EIINTS GCWN ON ETA
PROTECT
30-INCH CMP.
j__ PLACE GEOTEXTIlFE MATERIAL (PHILIPS SUPAC 16NP OR OWNER
PROTECT
BETWEEN FOUNDATION MATERIAL AND NATIVE SOIL
MAINTAIN. OR REMOVE AM REPLACE INSTALL "HAND PLACED" RIP RAP FOR SLOPE STABILIZATION
STORM PIPE AND OUTFALL
(lE 33.94) CONNECT TO K AND AQUATIC HABITAT FEATURES (TYPICAL)
I._q EXISTING CEI ANGEL APPRO)C USE CLEAN, ANGULAR 2-MAN TO 3-MAN ROCK,
I REMOVE BACK SLOPE WITH GEOTEXTILE TYPICAL EXISTING GROUND ELEVATION
AND DISPOSE
RELOCATE INSTALL TREE ROOT WAD WTH ATTACHED y
,E APPROXMIATELY
D.I. N AQUATIC HABITAT FEATURE BURY IN ROCKS FACING
CLEAN EXISTING— S=EE I- MIN
UPSTREAM. SECURE WITH 4r' DUCKBILL TYPE SOIL ANCHOR la" MIN.
CD
-64C -APPROVED -EQUAL
6k ER
REMOVE EXISTING 12- STORMWATER o,.M
low CHANNEL 4� MIN. EoTTCM. PROVIDE MIN. 2% SIDE SLOPE.
CLEAN BUSTING DRAINAM-,
E CAVATE LOW FL
AS SHOWN (TYP)
ADJACENT CID RDOIWADS
AND
A,
AREA OF DITCH TO BE MAINTAINED
ION" SEE
EXCAVATE TO 'TYPICAL MAINTAINED DITCH SECT
CLEAN
OuT
DITCH To
EXISTING AREA TO BE EXCAVATED BY HAND OR VACTOR TRUCK
TREF_ PROTECT MAINTENANCE EQUIPMENT SHALL WORK FROM ADJACENT STREET,
EXCAVATE SEDIMENT TRAP PARKING LOT, DRIVEWAY, & STABLE EMBANKMENTS.
APPROMMATELY Ir . 30' BY 2' DEEP EXCEPT FOR EMERGENCIES, WORK SHALL TAKE PLACE DURING DRY
I V llrAVATF LOW FLOW Nrl WEATHER BETWEEN MAY I & OCTOBER 15
INSTALL WILLJOW LIVE STAKES; ERECT WILLOW OR CUT SHOOTS FROM WILLOWS ON NORTH SIDE OF NE 43RD
TWO ROWS, 4� FEET ON CENTER AT EDGE OF C14ANNEL ABOVE ORDINARY HIGH WAIER LEVEIL I YPICAQ DITCH SIDE SLOPES SHALL BE MULCHED AND HYDROSEEDED WITH GRASS MIX.
CONTRACTOR SHALL POT HOLE ALL EXISTING UTILMES TO VERIFY
LOCATION. COORDINATE RELOCATION WITH WATER UTILITY.
< HAND CLEAN CHANNEL DOWNSTREAM OF SEDIMENT TRAP EXISTING STORM MANHOLE_ REMOVE AND DISPOSE LEAVE 3' MIN. GAP UNDER
DITCH BOTTOM SHOWN IS MINIMUM ALLOWED R FVATION FENCE AT DITCH CROSSING.
HAND CLEANED SECTION SHALL 13E CLEANED TO FOLLOW EXISTING CHANNEL
DOWN TO THE MINIMUM ELEVATIONAND MIN. 4� WIDE WITH 1.1 SIDE SLOPES
FOLLOW ALL REQUIREMENTS OF ALL PERMITS.
E)OSTING 24 INCH CULVERT
REMOVE AND DISPOSE
Do
----4NSTAU 43'X64" 10 GA CORRUGATED ALUMINUM ARCH CULVERT
VATE TO
VAIE 10 MAINTAINED DITCH BOTTOM
MINIMUM ELEVARON
EXCAVATE SEDIMENT
z MATCH EXISTING DITCH APPROXIMATELY 12' , ),
o X2' I BY DEEP
EMSTING 8- D-L WATER MAIN (INACTIVE)
RFIOCATF (SEEM 04132*301
EXISTING 6" STEEL WATER MAIN, PROTECT
D. 1. WATER MAIN
PLACE_&V MAIN
ci
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