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HomeMy WebLinkAboutD-3057044 1 \` ` EL. 86.77 l"'\\\ \111 REB R /CAP , �� , ,� _ NOTES: I LEVEE DEMOLITI -0N AND CONSTRUCTI -0N TO TAKE PLACE AFTER JULY 15 WHEN RIVER LEVEL I S AT ITS LOWEST AND FISH WINDOW IS OPEN. 2. USE STRAW BALE AND FILTER FABRIC, OR SAND BAG COFFER DAM TO CONTROL SEDIMENT ENTERING RIVER. PLACE JUST ABOVE WATER LINE. 3.. HAND CLEArt REED CANARY GRASS ON 25' fAPPROX.) ON EITHER SIDE OF CHANNEL IN EMERGENT WETLAND. 4. `L,EAVE SLOPES. AS IS FROM WEIR TO APPROX. STATION 1 2 +0 5. COBBLES THAT LINE BANKS IN RIFFLES TO BE 6 " -12" ROUND. COBBLES. 6. REMOVE LOG WEIR BY CUTTING IN PLACE. LEAVE ROCK AS IS. 7 -_- ..,.STREAM BED GRAVEL TO BE .5 -4" <5% FINES. 8. ROAD - .CROSSING TO BE 12" OF QUARRY SPACES COVERED WITH 4" OF STREAM BED GRAVEL. _IMITS �� C � r`: ......... i , / - �" 'ti /� S .SILT FENCE'') -•y - POOL LOCATIONS FROG POND APPROX'•- #�,2A'' -f ��g. 30' BY 20' 1 2 -_ E 1,314,142 044 �` ~' ` ,BY � `y ''1 CRMS9 ' N 174080.016 ;• �"F���,t( � , •� VE LOG WEIR _ . E -131 401 5 -.558 � � -�"�� � EL. 86.57 ,� ��_ yt e REBAR /CAP �.�. -�� �� -- - �''•- MATCH: LINE � - LWD ALONG BREACH , -' EMERGENT: WETLgND% �'. {� .LEVEE REMOVE TEED CANA`Y �\ - � GRASS \ � ��� � '€ I , 3 14 20� .294 - -. ` — — — y� -!X�� — — � , . '' , � EL.1�86919 R BAR X�:.. " , �c �. . `�:- 85.41 •.••. `t`':, :• � S\, I REBAR /C' ,;i ... .. -, .: .• � a �� �\ SEE DETAIL; FOR•. � �= _ � 174 , 14 I .363 � � -�� CHANNEL CROSSING, 4 , �� _ \\ � 858' � - I ; :3 14 ,2I 6 .982 •� CRMS8 __ `� N 174019.3. "67 — ��� E 1314058.744 , 'E- L�85.57 REBAR�GA_P_ _ ___ `F� ��`! NOTES: I LEVEE DEMOLITI -0N AND CONSTRUCTI -0N TO TAKE PLACE AFTER JULY 15 WHEN RIVER LEVEL I S AT ITS LOWEST AND FISH WINDOW IS OPEN. 2. USE STRAW BALE AND FILTER FABRIC, OR SAND BAG COFFER DAM TO CONTROL SEDIMENT ENTERING RIVER. PLACE JUST ABOVE WATER LINE. 3.. HAND CLEArt REED CANARY GRASS ON 25' fAPPROX.) ON EITHER SIDE OF CHANNEL IN EMERGENT WETLAND. 4. `L,EAVE SLOPES. AS IS FROM WEIR TO APPROX. STATION 1 2 +0 5. COBBLES THAT LINE BANKS IN RIFFLES TO BE 6 " -12" ROUND. COBBLES. 6. REMOVE LOG WEIR BY CUTTING IN PLACE. LEAVE ROCK AS IS. 7 -_- ..,.STREAM BED GRAVEL TO BE .5 -4" <5% FINES. 8. ROAD - .CROSSING TO BE 12" OF QUARRY SPACES COVERED WITH 4" OF STREAM BED GRAVEL. 3 C 2 r`: • NOTES: I LEVEE DEMOLITI -0N AND CONSTRUCTI -0N TO TAKE PLACE AFTER JULY 15 WHEN RIVER LEVEL I S AT ITS LOWEST AND FISH WINDOW IS OPEN. 2. USE STRAW BALE AND FILTER FABRIC, OR SAND BAG COFFER DAM TO CONTROL SEDIMENT ENTERING RIVER. PLACE JUST ABOVE WATER LINE. 3.. HAND CLEArt REED CANARY GRASS ON 25' fAPPROX.) ON EITHER SIDE OF CHANNEL IN EMERGENT WETLAND. 4. `L,EAVE SLOPES. AS IS FROM WEIR TO APPROX. STATION 1 2 +0 5. COBBLES THAT LINE BANKS IN RIFFLES TO BE 6 " -12" ROUND. COBBLES. 6. REMOVE LOG WEIR BY CUTTING IN PLACE. LEAVE ROCK AS IS. 7 -_- ..,.STREAM BED GRAVEL TO BE .5 -4" <5% FINES. 8. ROAD - .CROSSING TO BE 12" OF QUARRY SPACES COVERED WITH 4" OF STREAM BED GRAVEL. 3 BANK ARMORING 2 �" ''• _ - - --- � - - - -. - - -- - - - - - -- - --___-_— - ._..__-- --- .- -_... - E_I ,314,805.487 - �" 'ti , i:.> POOL LOCATIONS • - - I I � #�,2A'' -f ��g. •ti E 1,314,142 044 �` ~' ` ., f ''1 I � , •� VE LOG WEIR _ . � `. -- � � � - � �`., -- - �''•- MATCH: LINE � - LWD ALONG BREACH , -' -- -- .LEVEE \ \. �\ - - -- � '€ I , 3 14 20� .294 - -. ` — — — y� -!X�� — — � , . '' , � EL.1�86919 R BAR X�:.. " , �c �. . `�:- 85.41 •.••. `t`':, :• '" REBAR /C' ,;i ... .. -, .: .• � a - _ � 174 , 14 I .363 .� '�, _ -- - I ; :3 14 ,2I 6 .982 •� `�, __ N 173 I4 6 ...:: �.' - _ t , � -� _ - -- -� . , - . g� � - -_` ,.. .....•• _ - : � I ;3.1'4 ,'372 .076 _ � ., ''\ �� / , r� -. - .. -- t � '' �••� � : . ,� �. ., , . — ••. ... , -.., _ _ - :.. �L \ N 17,082.057 •. � � I � ��'! :� �- CONSTRUCTION L I MI'TS �.� — '�, f -. `� ` . , 1 .. � ,, � � - - �\ \� ., �\ � �. � - j ' N : {74.007.825. �, ., �,, -,� E :1 , 31 4 , 18 3_ 3 3 I /5.71 —' —� _ \�.,� �`�� ..., .: �� �.\ ` t I \ /_ _ / � - - -- �_ 879-__ '�� .. ,.. _. - 85 -CO' �� —__ �� SIYT F�F C� �'�,� -- - -____ n E /I 31 4201 .828 ., _ �,;` __ � E� �.., —`4u __ Ss,43 - -_ - �1 �'Y 1 ': �. $2.47 '. - -__,_ --- _�AD:. -. E L,. 314- 707..834 ��. = REBAR /CAP __ a8�s —_ - -__ __ =� �' N 173 - ,927.362 .,� �? . � / -- - � , '— _ � _� _ _ — _ _ .- — - 8e37` _ _ ;;�. E•.1 , • 1 4`,222 .42E - `,: - -_, �, `_ - -___— CRMS3 •.. __- �....�.. — .� 88. a3 __— _`_`` �s / — - -_ -N '173947.16F � _ � � 85 6iT NOTES: I LEVEE DEMOLITI -0N AND CONSTRUCTI -0N TO TAKE PLACE AFTER JULY 15 WHEN RIVER LEVEL I S AT ITS LOWEST AND FISH WINDOW IS OPEN. 2. USE STRAW BALE AND FILTER FABRIC, OR SAND BAG COFFER DAM TO CONTROL SEDIMENT ENTERING RIVER. PLACE JUST ABOVE WATER LINE. 3.. HAND CLEArt REED CANARY GRASS ON 25' fAPPROX.) ON EITHER SIDE OF CHANNEL IN EMERGENT WETLAND. 4. `L,EAVE SLOPES. AS IS FROM WEIR TO APPROX. STATION 1 2 +0 5. COBBLES THAT LINE BANKS IN RIFFLES TO BE 6 " -12" ROUND. COBBLES. 6. REMOVE LOG WEIR BY CUTTING IN PLACE. LEAVE ROCK AS IS. 7 -_- ..,.STREAM BED GRAVEL TO BE .5 -4" <5% FINES. 8. ROAD - .CROSSING TO BE 12" OF QUARRY SPACES COVERED WITH 4" OF STREAM BED GRAVEL. CTION.. LIMIT � ` ��` •:� -�� r': � a z•, BANK ARMORING \ CONSTRUCTION ��_�, LIMITS �__ - - --- � - - - -. - - -- - - - - - -- - --___-_— - ._..__-- --- .- -_... - E_I ,314,805.487 - i� , i:.> POOL LOCATIONS • - - I I � #�,2A'' -f ��g. RIFFLE AREAS I ., f LARGE WOODY DEBRIS I _ _ � -., .. .... • ---•• •-FOE' "DF � 4 : I �St - 't��BtJ;�`D— LfVf-E T6 - EXISTING ELEV ��90.06 E" � — . REPLACE EXISTING L - -~ LWD ALONG BREACH , -' 1 73920..91$• 32 ._ , .LEVEE BREACH EXCAVATE.... - TO----- -, . -'' ----- -- - - -- -- -- -- - -' -- - -_. -- -EL.EV . 80 .0' - -. ` — — — y� -!X�� — — � , . '' , � EL.1�86919 R BAR X�:.. " , �c �. . CTION.. LIMIT � ` ��` •:� -�� r': 1` �.., - --EJ'314623.035 EL. 88:0 -__ CONSTRUCTION ��_�, LIMITS �__ - - --- � - - - -. - - -- - - - - - -- - --___-_— - ._..__-- --- .- -_... - E_I ,314,805.487 - ., t LOXQ,``� \'ft .,•, , i:.> _r" N �-- L.73.856:57-4 —;: -- - ._ REBAR /CAP '- _- —__� % ` 1�= '89.60 - - - -- -9.76 90 �-- - - - -_ ,. t. . ` �� �. �. - `� `-��, •, ., f ., _, r` "' '; -" � `' � 1 `^ � `; , ^E 1' 3`I 4 , 56�4�.650� - _ _ � -., .. .... • ---•• •-FOE' "DF � 4 : I �St - 't��BtJ;�`D— LfVf-E T6 - EXISTING ELEV ��90.06 E" � — . . \ .� ,. ' �'�- `• . . L ., 1 _ N 1 7383\'6`x,307 ::: .. -�' .• ,__ __ ____ - - -- 1 73920..91$• 32 ._ , ,� ,, � __ ., ., • : t, s •. •.. -• E 13 1 4 4 6V} -. 7 4 7 EL. 83.33:, . . ,.: • r- - -. N - -. ` — — — y� -!X�� — — � , . '' , � EL.1�86919 R BAR X�:.. " , �c �. . `�:- 85.41 •.••. `t`':, :• "•••.,. REBAR /C' ,;i ... .. -, .: .• � a . r �. ... / -, TLE Cr 10 C '`1 ` �� . � -- (na1, .- �'-.. _ -- .. .r« - -: ,> : - E N LOG,S•'CL -0SELY .INy F •t ., �'- x� '•., � �;� -• -_•,-• .; _ - -• N 173 I4 6 ...:: �.' - -- . - - ;• _ ... BAN CHAiFiL .... � . � �x.� �+ •. � - -� . , - . g� � - -_` ,.. .....•• _ - : � I ;3.1'4 ,'372 .076 _ � - - -- k r- _, 13 46 6 298 - 4 .. : - . .._. A:'8 , r� -. - .. -- t � 1 + ••.. - , �-- _ _ - :.. �L , - �.__._ _ s.�, zs- , -- .......• ��.. -••' // L- _,' ,_,.. -... N 173.870.831 .:' x '� E I ,314 ,659.615 ix /�'�S - jx�nLF � ,CONSTRUCTION LIMITS - 8� ......., ' x.- __...._. . �x /.. t .. N 173 ,824.4!.12 ' E I ,314,470.358 1 � � _,: 4 3 • 1 30' 15' 0 30' 60' I" = 30' REDUCED TO 50% OF FULL SIZE U.S. ARMY ENGINEER DISTRICT, SEATTLE CORPS OF ENGINEERS SEATTLE, WASHINGTON CEDAR RIVER MITIGATION CHANNEL LAYOUT II RENTON WASHINGTON SIZE INVITAiiON N0. FILE N0. DATE: PLATE D E- 19 -I -7 -I OOAPR06 C -2 oscN• MJC CHK, SHEET q OF 9 �C�+wp' "'� ,yIIN 8l2tlm' _. _ _ � _� t� V 1 � � _ o m b � 1- a N `� �' � `� °z r � e � 0 � �L% �� � +�