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Home My WebLink AboutSWP2702325.2ti A'1 h o z � m O Li: x 0 3 0 0 a a 0 uj W z 0 co ul 0 J H 2 W z z J <L � N 4 9 LI , o 04 ; o N Y = M r- m o w W 04 Way 4 a G TRANSITION TO MATCH �y EXISTING DITCH GRADE EXCAVATE EXISTING CHANNEL USING HAND LABOR AND VACTOR TRUCK (AS APPROPRIATE) 3 DISPOSE OF EXCAVATED MATERIAL AT AN APPROVED DISPOSAL FACILITY. z MINIMIZE DISTURBANCE OF EXISTING WOODY VEGETATION, SAVE TRIMMED WILLOW CUTTINGS FOR RESTORATION.DTION. Z SECTION OF CHANNEL MUST BE ELECTRO—SHOCKED BY WASHINGTON STATE DEPARTMENT OF FISH & WILDLIFE TO wQ RELOCATE FISH, PRIOR COMMENCING WORK. I L_ TEMPORARY FLOW BARRIORS SHALL BE INSTALLED TO ISOLATE THE PROJECT AREA FROM SURFACE FLOWS AND C- O PREVENT SEDIMENT FROM ENTERING FLOW PRIOR TO CONSTRUCTION. EXTREME CARE SHALL BE TAKEN TO PREVENT CONTAMINATION OF THE FLOW DOWNSTREAM OF THE PROJECT LLI WITH TURBID WATER OR OTHER CONTAMINANTS. INSTALL TEMPORARY FLOW BARRIOR U W W PROVIDE CLOSED CONDUIT FLOW BYPASS AROUND AREA TO BE EXCAVATED ALL WORK SHALL BE CONDUCTED IN STRICT COMPLIANCE WITH PERMIT REQUIREMENTS m ALL WORK SHALL BE PERFORMED IN CLOSE COOPERATION WITH WASHINGTON STATE DEPARTMENT OF FISH AND o L' Lj--j WILDLIFE PERSONNEL. ° m CL TURBID WATER SHALL BE DISPOSED OF TO SANITARY SEWER OR ALLOWED TO PASS THROUGH AT LEAST 0 � � 100 FEET OF GRASSED SURFACE PRIOR TO RETURN TO CHANNEL. Q u! PROVIDE OPENINGS IN SECTION OF FENCE W AS REQUIRED TO ALLOW AN UNRESTRICTED CHANNEL 0z O U (� PROVIDE MIN V TALL EXCAVATE SEDIMENT TRAP z SITKA SPURCE OR APPROXIMATELY 12' x 12' BY 2 W Q WESTERN RED CEDAR USING MECHANICAL EQUIPMENT IN HIGHER AREAS Z (TOTAL 7 TREES) Q PLACE CULVERT SECTION OVER 8' WATERLINE EXISTING DEADMAN BLOCK AND VALVE (TYPICAL) FINISHED GRADE EL. 37.8 @ CENTERLINE CRUSHED SURFACING TOP COURSE PER (9-03.9(14)) 4' ASPHALT, CL B TOP OF PIPE EL, 35.0' INSTALL LOOSE PEAT OR STRAW BETWEEN CULVERT AND 8' D.I. WATERLINE BACKFILL PER 7-10.3(10) OR NATIVE UPON ENGINEER'S APPROVAL j PIPE BEDDING PER SECTION 7-10.3(9) BACKFILL PER 7-10.300) OR NATIVE ,r - ,. REMOVE EXISTING 24' CULVERT AND DISPOSE UPON ENGINEER'S APPROVAL y _ 10 GAUGE CORRUGATED ALUMINUM ARCH CULVERT PER 7-08 R �{ INVERT 32.39, MINIMUM COVER 1.5 FT, ASPHALT COATED ------------------40— s CONTROL DENS\FL\ /'- --- /------- --- --------- a/3_�EXISTING 30-INCH CMP��/' ----_-- / PROTECT --- ------- --- __ j -� � ---- � / EXISTING DEADMAN BLOCK AND VALVE (TYP) THRUSTBLOCK (TYP) \�� \�� 1' MIN. POLYFILL SPACER OVER WATERLINE i ` ------------------- --------------- �_-- - - - - - - ----- - - - -- _ __--______---_______ _ 8' LONG BODY SLEEVE (TYP) /` / —PROJECTION OF EXISTING 6-INCH WATER MAIN PLACE GEUPAC 16 % - PROTECT (SEE PLAN VIEW) (PHILIPS SUPAC 16NP OR OWNER APPROVED EQUALS BETWEEN FOUNDATION MATERIAL AND NATIVE SOIL -_- - - FOUNDATION MATERIAL PER 9-03.12 (1)A, 3' MIN. TOP OF PIPE EL 30,59'� -i I / 8' D.I. CL 52 M.J.erg• 45° BEND (MJ X MJ) (TYP) ONE FULL LENGTH OF 8' D.I. PIPE CENTERED UNDER CULVERT—/ POLYETHELYNENE WRAPPED 4 EA. 3/4' SHACKLE RODS COAL TAR EPDXY COATED O.C. PER RENTON CITY SPEC. 1 1 ' DEEP REMOVE EXISTING 24' CMP AND DISPOSE REPLACE EXISTING 24" CMP WITH NEW 64" x 43", 10 GA, CRUSHED SURFACING TOP 10 GAUGE CORRUGATED ALUMINUM ARCH CULVERT PER 7-08 COURSE PER 9-03.9(14) INVERT 32.39, MINIMUM COVER L5 FT, ASPHALT COATED PIPE B ALUMINUM ARCH CULVERT H-20 LOAD RATING AT 1.5' BURIAL CONTROL ➢ENSITY FILL, LIMITS -NORTH EDGE SIDEWALK TO SOUTH OR OWNER APPROVED EQUAL PER 7-10.300) OR NATIVE ACKFILL MATERIAL �_�i! 77EDGE CURB, NEET LINES ARE LIMITS SHOWN ON THIS DETAIL UPON ENGINEER APPROVAL o EXISTING 30—INCH CMP. PROTECT � C O of :-o Q INSTALL NEW 12" CPEP EXISTING CHAINLINK FENCE >'i c) MAINTAIN, OR REMOVE AND REPLACE ) w STORM PIPE AND OUTFACE INSTALL "HAND PLACED" RIP RAP FOR SLOPE STABILIZATION D n (IE 33.94) CONNECT TO AND AQUATIC HABITAT FEATURES (TYPICAL) n EXISTING CB ANGEL APPROX. USE CLEAN, ANGULAR 2—MAN TO 3—MAN ROCK, EX SDMH & CUE' � 35', GROUT TO MATCH EXISTING REMOVE BACK SLOPE WITH GEOTEXTILE AND DISPOSE CD E PATCH EXISTING T)iENCH CUT RELOCATE \E APPROXIMATELY 5 WADE X 720' LONG EXISTING 8" INSTALL TREE ROOT WAD WITH ATTACHED 8'�, DI. W 12 TO 16 ' DIAMETER LOG 5 TO 6 LONG FOR . TERM N CLEAN EXISTING SEE AQUATIC HABITAT FEATURE. BURY IN ROCKS FACING - DRAINAGE STRUCTURE ' UPSTREAM. SECURE WITH 4" DUCKBILL TYPE SOIL ANCHOR c� ON 5/8 GALV. CABLE (1 EACH) (CATCHBASIN) OR OWNER APPROVED EQUAL 2 REMOVE EXISTING 12" STORMWATER PIPE Zz - CLEAN EXISTING DRAINAGE STRUCTURES/STORM WATER J PIPES AND C.B. F� � 0 2;. CAVATE POOLS o ADJACENT TO ROOTWADS = GLEAN IXISTI 0 0 W = W Y ' O W a n o o 0 °d Cr In n Q LJ Q 0 m G AS DIRECTED BY DRAINAGES UC RES 3 ENGINEER (TYPICAL) (PIPES AND B.') 1 -- CLEAN OUT EXI 11N DITCH TO IXP SE _ - - EXISTING CUL RT EXISTING TREE, PROTECT - EXCAVATE SEDIMENT TRAP 1 APPROXIMATELY 8' x 30' BY 2' DEEP INSTALL WILLIOW LIVE STAKES; ERECT WILLOW OR CUT SHOTS FROM WILLOWS ON NORTH SIDE OF NE 43RD EXCAVATE LOW FLOW CHANNEL TWO ROWS, 4' FEET ON CENTER AT EDGE OF CHANNEL ABOVE ORDINARY HIGH WATER LEVEL (TYPICAL) HAND CLEAN CHANNEL DOWNSTREAM OF SEDIMENT TRAP EXISTING STORM MANHOLE, REMOVE AND DISPOSE DITCH 130TTOM HAND CLEANED SSEC ON SHALLUBE CLEHOWN IS MINM ANED TO FOLLOW EX ISTING CHANNEL D ELEVATIN2 EVE 43RD ST. DOWN TO THE MINIMUM ELEVATION AND MIN. 4' WIDE WITH 1:1 SIDE SLOPES EXISTING 24 INCH CULVERT REMOVE AND DISPOSE ..._-INSTALL 43"X64" 10 GA CORRUGATED ALUMINUM ARCH CULVERT S=0.0 INVERT=32.39 -- - - - - S= 0.759ot S= 0.75%t MA EXCAVATE TO EXCAVATE 7MAINTAINED DITCH BOTTOM MINIMUM ELEVATION ION (SEE t - TRANSITION TO - - EXCAVATE SEDIMENT EXCAVATE TE SEDIMENT TRAP z MATCH EXISTING DITCH APPROXIMATELY 12'X12'X2' DEEP TRAP APPROX. 8'X30' B Y 2' DEEP EXISTING 8 w D.I. WATER MAIN (INACTIVE) >IF - _ -- - - RELOCATE (SEE2) - - - - - -- EXISTING 6" STEEL WATER MAIN, PROTECT WAS PLACESEE g D.I. WATER MAIN I O z �'—EXISTING 30' CMP PROTECT FOUNDATION GRAVEL PER 9-03.12(1)A, MIN PLACE GEOTEXTILE MATERIAL (PHILIPS SUFAC 16NP OR OWNER APPROVED EQUAL) BETWEEN FOUNDATION MATERIAL AND NATIVE SOIL 3 11 TYPICAL EXISTING GROUND ELEVATION VARIES 0'-2.5' N - 18" MIN. I' EXCAVATE TO MAINTAINED DITCH EXCAVATE LOW FLOW CHANNEL 4' MIN, BOTTOM. PROVIDE MIN. 2% SIDE SLOPE. AS SHOWN (TYP) TS r. -_ ) @ NOTES: AREA OF DITCH TO BE MAINTAINED EXCAVATE TO "TYPICAL MAINTAINED DITCH SECTION" SEE 1 11 0 AREA TO BE EXCAVATED BY HAND OR VACTOR TRUCK MAINTENANCE EQUIPMENT SHALL WORK FROM ADJACENT STREET, PARKING LOT, DRIVEWAY, & STABLE EMBANKMENTS. EXCEPT FOR EMERGENCIES, WORK SHALL TAKE PLACE DURING DRY WEATHER BETWEEN MAY 1 & OCTOBER 15 DITCH SIDE SLOPES SHALL BE MULCHED AND H YDROSEEDED WITH GRASS MIX. CONTRACTOR SHALL POT HOLE ALL EXISTING UTILITIES TO VERIFY LOCATION. COORDINATE RELOCATION WITH WATER UTILITY. LEAVE 3' MIN. GAP UNDER FENCE AT DITCH CROSSING. FOLLOW ALL REQUIREMENTS OF ALL PERMITS. I D I I '1_31 121 � 1ill