_

~.L l

Go\f Coli rsei

-

r

I l I -

PROJECT LOCATION FOR THE •CLOVER CREEK IMPROVEMENTS AT PARKLAND PRAIRIE PRESERVE• IS JUST SOUTH\.JEST OF THE INTERSECTION OF TULELAKE ROAD SOUTH AND YAKIMA AVENUE SOUTH IN PARKLAND, \.JASHINGTON. CONSTRUCTION ACCESS \.JILL BE THROUGH AN EXISTING GATE ON THE EAST SIDE OF THE PRAIRIE PRESERVE.

MAP SCALE: 1 • = 1,000' <FROM DeLORME 1999).

CLOVER CREEK IMPROVEMENTS AT PARKLAND PRAIRIE PRESERVE

Kristin \.Jillio.Mson (360-412-0808) Ckristinw@spsseg.org) South Puget Sound So.lMon Enho.nceMent Group 6700 Mo.rtin \.Jo.y Ea.st, Suite 112 OlyMpio., v/A 98516

DRAv/ING LIST:

1. PROJECT LOCATION 8. DRA'w'ING LIST

2 . EXISTING PRESERVE SITE PLAN

3. SITE PLAN FDR CHANNEL IMPROVEMENTS

4 . SECTIONS AND DETAILS

5, STREAMBED AND BANK DETAILS

6. PRAIRIE MOUND DETAILS

THE PROJECT SITE IS LOCATED AT THE PARKLAND PRAIRIE PRESERVE

IN PARKLAND, \.JASHINGTON. THE PRESERVE IS AN UNDEVELOPED

FOUR ACRES OF LAND JUST SOUTH OF TULELAKE ROAD SOUTH, AND \.JEST OF YAKIMA AVENUE SOUTH.

JUNE 2008

CLOVER CREEK IMPROV EMENTS AT PARKLAND PRAIRIE PRESERVE

SOUTH PUGET SOUND SALMON ENHANCEMENT GROUP

PROJECT LOCATION 8. DRA\.JING LIST ORA\.JING 1

r /ff_ULE LAKE ROAD sounIJ/

XI STING I FENCES t­::) D (/)

f

~ I

- -- -- - ~ I -· - -- I --· - - · -- - >

- ~ I .,.. - - ~ I

' / ~ I

PARKLAND PRAIRIE AND r .,, ✓ : I \ \./ILDLIFE PRESERVE ,· / ____ __ - - 302 I \

1 .,, -- - - - I ,,,,,,,, _.,.,., - \./ALK-IN I I

,,,, .,- _DJRT ..,, ACCESS I I I

\./ALK-IN ACCESS / / .,, _-:_ -=--=--_R~A~1 - - - - - - - - - - - JTING : THROUGH FENCE )

I // - -- --- - - - - ) -- ---1- ---- - ---- -,,.. - ...G.t;TE I -- - - -- ---z-'-- __ __ -- --; -- / f

/ 1 - ----- __ -;-- ----- ( /

1

304 - - ·

--- - - --- - ---- ) I ,,, I --- -- - ------- I I _,,,/ I

- - ---------- I I .,,.,,,, I ------==--=----- --.... / ------- i- ------ I I ,,..,,,, I - - - - - - - - - - - - , I ,,,,I -- .,,,, _ - - - - - - - -aoo. I I '--- 3o -- _:, ,,.. .,,,. - - - - - - - - - - - - - - - - - - I I --:::--------- ---- -- ------::.~-:=-...:::-~..=:-=--=-:_-- 298 I

------ .---- --- ,..,,,,. ___ _,_-- -- --- ----.=--- \. _ _, _ _ 302 ,,,..,. --::::--- - ...__ - - _ _, ---- - - - - - I I I _,.,., - - _.,,,. ,,,, - - - .... ---- - - - - _.,,,. - _.. ,,,..,. -- - -- --_-::-.- \

--- ------ --- ~ --::::-- -- ...... --....., .,,.,..,,.,._,,,,--_________ ------ I I I - _... --- - • ---- -- ..- _,,,. ................ ,_.. - .,- - - -- '- .._'--- - - - --- ~,,. ,/ -- -- -- _,,,,,, ..- ..- ~ / I

- - f NATURAL -- _. - - --:..--:.. _, - ..a9s· - - - - - - _,,,, __, _. ,:_. - ;: - _..- \ I 302 - - ------------------ I TERR J ---- ------ ------------ \ ACE --.::::.:::=--..:-:;:::-..:::-- ---------- I I I I

I _ - _: ~ -_:--:,..--;:-- - BENCHMARK r - -___ ..- -- I I I I ------ - -~-::::---:...-:..- <NAIL IN TRED I I

- · - - --- - -- - --1--- - - - -- - - - - ,- -----:.::.:::.-:.. _:------ \ ...----~ ELEV. 300.0'~(7 96 ,) II : _____ _ -- ----- ,,,,- XISTING - ___________ _ ____ _ __ _,,, ) I J --- ---- .,,..,,.,.-- ----- ' \_ - /

_:00 --=_ ~ -=-~ ~ ~---- 1:---=- :=_ __ - - - : ~ __ I - - BA_S_EJ:,J NE ', TREES .,,- - - - - - - -..-- -A--__ - - - - - - - - - - - -- ________ _ _ _ _ _ _ .✓ I . a- --------------- - - __________ -HX. 4,800 r",,.. BASELINE ------- I __ __ __ ___ ,_ _ __ __ __ I ', 1 TA. 5,000 -- I 29

l-/4u~riA~~~,p~~~~~~ ' .. z ·f [~·~:_-=-::-=~=-:- :~- ------.----- -.-:--, : . I BY PIERCE COUNTY I ------- ---------------- .la-_____ ..::::-..,,,_-=--=-- . ______ __ _ -_-_-_-_-_-_--_~ -..."! ) I I

~~~~~~~~3~~=:~::~~~~~~~~:~~~~-~:~~~~~~~~~~~~!~ti~~~~i~t~i~~~~~;:, I I ; ✓- -- ---------------- ----- 300 I I I ,.,, ,,,..-·.....- JA~;:;r;,;;--~ ~-~~~~~ ~~- ~ ~gg~~ ~~ L - - - - -- -- - - - J. _ - - - - - - - - - - - - - - - -- - -- - -- -- -- - - _ I _! - - -- I - - - _ ..,L - r -.. ,./,-1" -· --~ ~ , ~..s!:.,_...__ _ - - - -~~ ~ ~ =§ ~ . ~~== - ~ ~ - ~ - 3IO _ - -k/ - / __ - ":-. , - , . ~ -~~- - -

al;la / / 'i" · /':,- v • ~ r · -~, 1 EXISTCNG SCHOOL NORTH FENCE GROUNDS

t<APPROX.>

I l / // l'•/~ //~(-¢j'"i ,; '\

NOTES: I I / / / 302 -0\ r f )~v, CLOVER CREEK IMPROVEMENTS

, / ' n b " ti} ~-@ PARKLAND PRAIRIE PRESERVE I. ELE VATIONS SHO\./N ARE BASED ON AN -·- ,.1 ~' (i -.,!-t,- . w, ' : ~. .cf,./ -. I

,, , -:-r:, '- . __,.. '5'' .,. SOUTH PUGET SOUND SALMON

SCALE: 1• ;:: 50' DD NOT MATCH ACTUAL SITE ELEVATIONS. . .I.. 'IS~ 6 1

1

0 20 50 !Ob FEET 'ASSUMED' ELEVATION <NA I L = 300.0') AND ~s,rw-;,·· f\(: :..c ENHANCEMENT GROUP

·' J~ EXISTING PRESERVE SITE PLAN DRA\./ING 1 2. CONTOUR INTERVAL = !'.

------ --- ----- ----- ------ ------ -- - -- --- -------

-- -------

---- ----

LEGEND FOR CHANNEL IMPROVEMENTS

r INDIVIDUAL ROOT \JADS <30 EACH) & ~ ~ LOGS <30 EACH) \JITH TRUNKS BURIED

INTO BANKS FOR ANCHOR.

STREAMBED & STREAMBANK 'ARMOR' ~ MATERIALS \./ITH 6'-12' SIZE

BOULDERS & COBBLES. FILL VOIDS ! \./ITH NATIVE SOILS .

\JALK-JN ACCESS THROUGH FENCE

/

30� -- .- -_/ - -

-------~~~-----·---

/[ULE LAKE ROAD sour~/

-- - - •"

\JALK-IN ACCESS

---------.......

/ /

/ / - - ./

........ ....... .,,.

- 302

I I­::::) D (/)

w :::::) z w > <I

<I ~

~ <I >-

JTING

7 GATE

I I I I I I I I I I I 1 I I I I I I I

START & ENa NE\./ CHANNE~

- - - , -• il-- 5' INSIDE I ') I PIERCE c�UNTh' _____ _J f:_R.Up_ERlY L __

- - - - - __ - 296

~~;;;;.,:;-:::- :=:=. ~-:--~ = --=-, =-,--=• = ·-

-- CLOVER CREEK IMPROVEMENTS

6 r-1~•0-:2:r::;o:-+-•--+-•----;s:t-;;o:-----.;:;110b

SCALE: 1• = 50'

FEET 1. ELEVATIONS SHO\./N ARE BASED ON AN 'ASSUMED' ELEVATION <NAIL = 300.0') AND DO NOT MATCH ACTUAL SITE ELEVATIONS.

- ..._ --. - -.,

./

@ PARKLAND PRAIRIE PRESERVE SOUTH PUGET SOUND SALMON

ENHANCEMENT GROUP PROPOSED PRESERVE SITE PLAN

2. CONTOUR INTERVAL = 1'. DRA\./ING 2 /

------------------

------- ------ -- ---

---------

I

f

f r-f ,..._

I-w w u. "' z D I-<[

> w ...J w

ROOT VADS AND LOGS BURIED INTO NEV

100-YEAR CHANNEL BANKS, SEE EXISTING PRAIRIE GROUND FLOOD (660 CFS ) SITE PLAN

LEVEL= NEV TOP OF BANK 300

______________ 4 __ _

2 99

7 / ----------------------------------2 9 8 ---------------------------------------- r 12' -LONG ARMOR

BANDS FDR CREEK BED 297 &. BANKS, SEE SITE PLAN ---==.._CLOVER CREEK

296 FL�V

2 95

294 NEV CHANNEL BOTTOM SLOPE 0.36% 293 •-•••••~•w••••~•••• - ••••~••-•••••••-•~•••••--••- •

292

291

290 1.5' THICK ARMORED CHANNEL ~ MOST or NEW

CHANNEL BOTTOM SLOPES UP VITH 6'-12' SIZE BOULDERS &. CHANNEL BOTTOM = COBBLES V/ VOIDS FILLED FROM DEEPEST POINT TO NEV EXISTING GRAVELLY SOILS

VITH NATIVE SOILS TOE OF STREAMBANK. BOULDERS, ETC. CONTINUOUS ACROSS CHANNEL

SECTION D BOTTOM BUT NOT SHOWN. <NEV CHANNEL PROFILE SHOVING ARMOR BAND

300 EXISTING EXISTING PRAIRIE GROUND

--~ · -299--------------------------- ------ --- --- ..,. _______ _

100-YEAR FLOOD (660 CFS)

...J WW zz _z ...J <[ ~:r wU

~'.:3: WW

--------'' -, -- '' ',,,_

,

-------

U , Z SOUTH BANK tj 298

u. ------/_

---------------------EXISTING r---------"' 297

z NOTE: NEV STREAMBANKS SHOWN AS TRENCH SLOPE\✓// D 296 2:1 BUT VILL VARY FROM 1.5:1 TO -I-

295 2.5:1 FOR VARIABLE TOPOGRAPHY 2:1 STREAMBANK ✓

<[ SLOPES / > w 294 /

/

/ ...J w ✓

293 /

292 r--I ---- ~ EXCAVATE NEV CHANNEL

f 291 ROOT VAD 12'-24' DIA. /L. ----- ROOT VADS j _J THROUGH EXISTING TRUNK BURIED IN BANK EXTEND S' +/ - ____ _ _. ___ REM�VE EXISTING ASPHALT GRAVEL, SAND &. SOILS 1 290 <LOGS SIMILAR VITH CURBS &. CHANNEL BOTTOM

BROKEN ENDS INTO CREEK> INTO CREEK

i SECTION C 10-J LBURY 8' TO (TYPICAL NEV CHANNEL TRUNK IN BANK VI MINIMUM CUT &. F !LU

t I I 0 5 10 [_ SCALE : 1 • = 5'

CLOVER CREEK IMPROVEMENTS ~ PARKLAND PRAIRIE PRESERVE SOUTH PUGET SOUND SALMON

ENHANCEMENT GROUP STREAMBED AND BANK DETAILS DRAWING 4

L

----------

--------- ------

NE\./ CHANNEL 22 ' -\./IDE AVERAGE, _____ _, , ________ BU T VARIES 18' -\./IDE TO 26 '- \./IDE

100-YEAR FLOOD <660 CF S)

300 PRAIRIE GROUND EXISTING --- EXISTING - - ------ SOUTH

BANK 2 98 - -2 97 --- /

2 96 I-<I 2 95 >

2 94 1.5' THICK ARMORED CHANNE w ..J \./ITH 6'-12' SIZE BOULDERS w 2 93 COBBLES \.// VOIDS FILLED

2 92 \./ITH NATIVE SOILS <EACH ARMOR BAND 12' -LONG)

2 91

2 90 REMOVE EXISTING ASPHALT PAVEMENTS. CURBS

SECTION B <TYPICAL NE\./ CHANNEL \.// MEDIUM CUT S. FILL, ARMORED STREAMBED)

NE\./ CHANNEL 22 ' -\./IDE AVERAGE , ____ __ , ____ __ BUT VARIES 18' -\./IDE TO 26'-\./IDE 1

100-YEAR FLOOD <660 CFS )

FILL EXISTING TRENCH _____ ____ , 1-1--- - AS SHO\./N SITE PLAN

300 • ------ EXISTING

~ 299 SOUTH w 298 GRADUAL BANK w EXISTING PRAIRIE GROUND

/

REMOV E/EXISTING GRP,1EL, ETC.

1------ --ir-PRIGR TO ASPHALT ):IS E THESE

NE\./ ARMORED

SLOPE ..., - 297 z D 296 I- r---...._ .f -re

COBBLES, <I 295 ~ ,q 1--: 4 r. . SEE NOTES FOR > ' <VARI ES> w 294 2 =1 STREAMBANK (: TOE OF CHANNEL BOTTOM REMOVAL. ..J SLOPES / BANK SLOPE w MATERIALS FOR 293

CHANNEL

L 292

291 SECTION A EXCAVATE NE\./ CHANNEL REMOVE EXISTING ASPHALT-' 290 <TYPICAL NE\./ CHANNEL ---CURBS S. CHANNEL BOTTOM THROUGH EXISTING

CHANNEL BOTTOM NOTES: \.// MAXIMUM CUT S. FILU GRAVEL , SAND S. SOILS

[ . 1. LO\./EST POINT FOR NE\./ CHANNEL IS 0.5' BELO\./ EXISTING ASPHALT AT ENDS NE\./ CHANNEL REACHES.

2. LO\./ POINT IN CHANNEL \./IDTH SHALL MEANDER FROM NORTH-TO-SOUTH TO \./!THIN 4' OF THE TOE BANK SLOPE S.

0 5 10 3 . LO\./ POINT OF CHANNEL IS l ' + / ­LO\./ER ELEVATION THAN TOE OF BANK SCALE: 1• = 5 ' SLOPES .

t .

CLOVER CREEK IMPROVEMENTS ~ PARKLAND PRAIRIE PRESERVE SOUTH PUGET SOUND SALMON

ENHANCEMENT GROUP SECTIONS AND DETAILS DRA\./ING 3

/[ULE LAKE ROAD SOUTH]/

XI STING ::c FENCES I­:) D

[ (I) I

~ I

--- - -- ~ I --- -- - > I '- ~ ...-- ---- <I I

-· - ~ I .----~ ~ I \ \_ PARKLAND PRAJRJE / : I \ \./ILDLIFE PRESERVE / _ - -302

\ / ---- I ) /,,,, .--- I I /,,,, .----- \./ALK-IN I

,,,, ,,, DIRT __., ACCESS I I I /,,,, _,, ,,,.. ,,,,, __,., ROAD1 _ - - - - - - - - - - lTING II \./ALK-IN ACCESS I / ~ ------ m THROUGH FENCE

) I

1 // ----------) -----7-----------...... - . GATE

I --- -r'-- ------✓ -- / 7 I

1

----- ---- / .,,, I --- __ --;--- ./

: I --- -- ---=--=--=---------- ) ;' // : --- -- I _,,,.,,,, I I ----- t ; ,,, - --- - - _,,,. I I - ---- - ------~~- - - - - -...... / ; _,,,.,,,

- --- --- -- ------ -- -- r - ' i ,,J __.,,..,,, --------- -Joo- , I '-- J __,., .,,,. .- .- - - - - - - - :::..:=--=-::-.:. - = = = 29e I I 3Q.l... --;:::.:::-- - -----_.,,,. __.-- - ------:--.:::..:::::.-- -- ~ I I ,,,.. ..-- - - - 302- .-;:--....:-_---::._ - - - __,., _,,, _.. ____. - _.. .- _..-:::;: - - - ' )

...- --- __ __..-- ~,,.,. _.------......,._'---- ________ _ __,.,.,, ~ ---~ _,.--~,,- ' j I I ------ _____ _......- _,,.-- ~~ ._,,..,.- ....... , .,,..,,-~.,..,,----_...--_:;:,..,;.,.- _..-------- ....... --.. I

I -- --- - - ----- ....___ -------- - --- - --- \ -- - _, • ,_ ~ _. --~ ~ -2-9e- -- .___ -. =:- - - ~- - __.,... :: --~ ~:: .- .-- \ I I I _ _ _ _ r NA TUR AL _ - _ --:.. _ - _ - - - _ - - - - --.....- - 1 - - - I TERRACE] - -~-_;-_;:: .- - - - - -- _. j I 302 - - - - - - - - - -

I - - ,::: - _:---_::::: - - BENCHMARK / .- - - - - -- I I I _J ____ - - - - :: ,;:-_::::-_::::-~ -::..-- - - <NAIL IN TRED / L - -- I / I

- - - - - - - - - - - - :- - - - - - --=--=--=--=-- }: ~--=-::-.::-.::-::---=-__:-_:-;_ )~ ___ ~ \ XJSTING E.LEV ~ ----------_- - - - - - - - - - - - - - _,,, ,,,.,,,. .) )I 3000'~ : - - 300 - - - - - - - - - 1- - - - -=-_:::-:_ - - - -~ L _.- - - BASE__[JNE \ TREES ,-- - - - - - - ,..,._ _._ - _ - - - - - - - - - - - _____ _ _____ - / I ---------- ,-=--=--=----- --- - I ___ -TA'". 4,800 ,_,, ...... --- - _ _ I · BASELINE _

-- 29g- ------ - - - ~ --- - -- , - ' I TA. 5,000 - I

---------- - :-~~P~R:X. PARCEL-----......: '. \ 97 ~I.a ----; -- ~----------=-~ - -. ~--~ : V l!_~_UNDARIES 0\./NEO 'L l L __ -------~-- - ---- .D - -~ / I

_ BY PIERCE COUNTY - - - - - - - - - - - - - - - - - ' ' - - - 1 .J L. ..3 _ _ _ _ _ _ _ I I ~ -... _ _ _ .-:: ::: ::: ~ _ - ~ =--=---=- --- ...,, = = = :::: = = ~ --~~-:_ ?-=--=:.::. -=J- __ = = _ _ _ _ _ _ _ _ _ 9

,,,--I I _,, ,,, ,,.-,r; ~,. = = ____ ____ = __ ___ ~ _

1 L - _L - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - i- - - - - - - - / -f- - - - - _ /J - - - - ~ , l-,;.. r ~ -~ ' :.:....I:... = ~~= ~ - -- ==: =:- - - = - = -§: 310

- - - - - - - - - - ~ /..-.../ ... y-~, 6 ~ -....... . 298 / / _,, ,-/ · / r r ;. · · ' i'l,"/~, \ .... I , / j / •-., ~ . . ,r EXISTING SCHOOL NORTH FENCE GROUNDS t (APPROX.)

JUNE 2008 l. I ,/ // j>r;J~lJ3·) ! J,' , NOTES: 1 CLOVER CREEK IMPROVEMENTS 1 ,.1 , ,.. / / JO{ ., ~"' ~jf a·cY1 /2i·-f AT PARKLAND PRAIRIE PRESERVE L ELEVATIDNS SHO\.IN ARE BASED ON AN · -~ ,GJSf~Y.•~- K.· .~ SOUTH PUGET SOUND SALMON ~ -l: ~ . ~ , ~--6 i'o 20 I 50 10b FEET 'ASSUMED' ELEVATION (NAIL = 300.0') AND ENHANCEMENT GROUP DD NOT MATCH ACTUAL SITE ELEVATIONS. ;/ , ~· ~N~t1: 0~ '>

EXISTING PRESERVE SITE PLAN SCALE: I' = 50'

2. CONTOUR INTERVAL = 1'. DRA\./ING 2 ,,

---

• • ---

- --------------

/fruLE LAKE ROAD s�uTi{/j

XIS TING I I FENCES I LEGEND FOR CHANNEL I-:J

I � AND PRAIRIE IMPROVEMENTS (,I)

I

INDIVIDUAL ROOT w'ADS (30 EACH) S. w I :J LOGS <30 EACH) WITH TRUNKS BURIED z I w INTO BANKS FOR ANCHOR <SEE I > DETAILS OTHER DRAWINGS). PLACE <! I 3/4 OF WOOD PIECES ON OUTSIDE OF <! I CHANNEL MEANDERS. :::E

I -::>:'. <! PRAIRIE MOUNDS FOR LONG-TERM I >--302 'STORAGE' OF SURPLUS EXCAVATED

MATERIALS <SEE DETAILS OTHER I I

NATIVE PLANT SALVAGE: I DRAWINGS). ABOUT 150 SMALL PLANTS

(\JILL BE FLAGGED) SHALL I PRAIRIE MOUNDS TO BE CREATED BE C4REFULLY SCOOPED I WITH EXTRA EXCAVATED MATERIALS, UP BY CONTRACTOR CIN I JTING w'ALK-IN ACCESS EACH MOUND 30'-DIAMETER x 3'-HIGH. EXCAVIATOR BUCKET) AND GATE THROUGH FENCE

\JAL!SED OVER TO SOUTH I PATTERN TO BE LAID OUT BY SIDE/OF CREEK CNE\J FILL I 7

AREAS) FDR RE-PLANTING I 304 _ - -- - -Ks CHANNEL EXCAVATIDN I \JATER CONTROL & EROSION CONTROL NOTES:

PROCEEDS. NATIVE PLANT I SALVAGE \JILL BE !. CLOVER CREEK THRU THE PRAIRIE IS NORMALLY DRY - - - -

DURING JULY THRU MID-SEPTEMBER. \JATER CONTROL IS CONSIDERED 'INCIDENTAL' NOT EXPECTED TO BE REQUIRED FOR THIS PROJECT. TD PROJECT EXCAVATJDN. I -------------..

I _ .2- .GON-TRA€TtlR-SRAU S PREAD EROSION CONTROL SEED -------- ----r- -1 I I I I

-- ·- • • lit •

• //~~;;-DRAWING 4 llE llE -----· _, - -299 llE llE llE

FI~ R�ss-HATCH- _:c- ~:::;:~t~~;-;~~f;i~~-;~~~~~-;-':, -AREA TO ELEV 298''.,0' .,,, ,,,- =~---= = =-----------

_....._ ______ _ / .. <PROTECT ~rREES , ,C _ L.,_: ___ - ~ ---= = =-~ =-~ = :== ~ = E~ I= T==JN= =~310 , - - - - - - - - - -J- / - I\

/ / / FENCE ? 8

NORTH f <APPROX.)

6 fo ~o I I 50 SCALE: 1' = 50'

L-- ------------ --------j'-------

THICK DASH- DOT LINE SHOWS LOW POINT IN 10b FEET CHANNEL MEANDERING TO

\./ITHIN 4' EACH OUTSIDE BEND, SEE DETAILS

// // / / // SCHOOL

EXISTING CHANNEL Lt NG TH = 620'..:./~------r::._. ✓ _ _ ,.!."~----;-L-.,,:,__ _____ _________ ___,_ GROUNDS ----.ROPOSED CHANNEL_/LENGTH = 660; / ✓ / 7

JUNE 2008 SINUOSIT = 1.1 / NOTES: ,✓ -/-- /

CLOVER CREEK IMPROVEMENTS / 1. ELE,VATION SHOWN ARE BASED ON AN AT PARKLAND PRAIRIE PRESERVE ' 'ASSOMED' E: l EVATI�N ( NA IL = 300.0' ) AND

SOUTH PUGET SOUND SALMON DO/NOT M~TCH ACTUAL SITE ELEVATIONS. ENHANCEMENT GROUP

2. COI\JTOUR INTERVAL = 1'. / SITE PLAN FOR CHANNEL IMPROVEMENTS

,'.300 DRAWING 3 r

- - - - - - - - - - - - -----

- - --------

I r

~

L

L

-300 - EXISTING -,..... 299

100-YEAR FLOOD (660 CFS )

USE GRAVELS &. -- COBBLES REMOVED

--TOE OF BANK SLOPE -- -- ---

STREAMBED FILL l FROM DITCH FDR

BOTTOM FOOT

--- -~- F ILL FROM EXCAVATIONS

SOUTH I-w BANK GRADUAL 298 w

/ L..... SLOPE '-' 297 z

SECTION B REMOVE EXISTING ASPHALT CTYPICAL NE\v' CHANNEL PAVEMENT&. CURBS \.JI MEDIUM CUT &. FILL

_J

WW zZ _z _J <C ocI wU

~ :3 WW EXISTING U I Z SOUTH I . 6.1000-­ GRADUAL BANK

SLOPE / ~

I REMOVE EXISTING""c�BBLES, SEE NOTES FDR GRAVEL, CT1:. (VARIES)

CHANNEL BOTTOM 1--------- 11-PRIOR TO/ASPHALT REMOVAL .

USE .,,.H-IESE MATERIALS FDR

D 296 -I-<C 295 EXCAVATED SLOPES DRA\v'N > ~ 2:1 SLOPE, BUT \.JILL/ w 294 _J VARY 1.5:1 TD 3:1, SEE SITE w 293 PLAN (ENGINEER \.JILL

SET SLOPE STAKES). 292

291

290

300 ,..... 299 1-w

2 99 w EXISTING PRAIRIE GROUND _.t,_ '-' 2 97- --EXCAVATE -z D 1-<C > w _J w

4' TD 8' LOG EXTENDS INTO CHANNEL FROM TOE J 291 OF BANK SLOPE. LOG END

290 IN STREAM SHALL APPEAR BROKEN CN� CUT ENDS).

100-YEAR FLOOD C660 CF S)

292

_____ _,

0 5

SCALE: 1 • = 5'

JUNE 2008

CLOVER CREEK IMPROVEMENTS AT PARKLAND PRAIRIE PRESERVE

SOUTH PUGET SOUND SALMON ENHANCEMENT GROUP

SECTIDNS AND DETAILS DRA\v'ING 4

NE\v' STREAM CHANNEL

SECTION A ~EXCAVATE NEV CHANNEL L REMOVE EX ISTING ASPHAL T_J CTYPICAL NE\v' CHANNEL CURBS &. CHANNEL BOTTOM \.JI MAXIMUM CUT &. F !LU

THROUGH EXISTING GRAVEL, SAND &. SOILS

SEE NOTES FDR CHANNEL CHANNEL BOTTOM NOTES: BOTTOM. LD\v' POINT FDR CHANNEL THIS SIDE ON I. LO\v'EST POINT FDR NE\v' CHANNEL JS 0.5' BELD\v' OUTSIDE MEANDER EXISTING ASPHALT AT ENDS NE\v' CHANNEL REACHES. CSEE SITE PLAN)

2. LO\v' POINT IN CHANNEL \v'IDTH SHALL MEANDER FROM NORTH-TD-SOUTH TD \./!THIN 4' OF THE TOE BANK SLOPES.

3. LO\./ POINT OF CHANNEL IS 1' +/- LD\JER ELEVATION THAN TOE OF BANK SLOPES.

10

------------ -- ---- ---- --------------- --------------------

---

295

I I [

[_ ------ ~- · t-

w

l ~ D -t-> w l_ <!

....J w

L

l~

300

299

298 -----------------297

296

295

294

293

292

291

290

EXISTING PRAIRIE GROUND FLOOD LEVEL= NEV TOP OF BANK

/ --------------------------

CNEV CHANNEL PROFILE SHOVING ARMOR BAND

100-YEAR (660 CFS )

_______ _ .. -

RDDTVADS AND LOGS BURIED INTO NEV CHANNEL BANKS VITH TRUNKS WITHIN 1' ELEV. CHANNEL BOTTOM, SEE SITE PLAN

-----~----------

r-

r~ [ -

I -I -

,-... t-w w L..... '-./

z D -t-<! > w ....J w

SECTION D

CREEK

~NE~ CHANNEL BOTTOM=

L�V POINT FDR CHANNEL THIS SIDE ON OUTSIDE MEANDER CSEE SITE PLAN)

JUNE

EXISTING GRAVELLY SOILS

EXCAVATE NEV CHANNEL THROUGH EXISTING GRAVEL, SAND &. SOILS

ROOT VADS EXTEND 5' +/-i-----,1----­

INTD CREEK

LBURY 8' TD 10' J TRUNK IN BANK

2008

300 EXISTING PRAIRIE GROUND 299 ----------- ------..... ---2 98 ---2 97

NOTE: NEV STREAMBANKS DRAVN AS 2 96

CHANNEL BOTTOM SLOPES UP 1' FROM DEEPEST POINT TD NEV

TOE OF STREAMBANK.

100-YEAR FLOOD (660 CF S>

....J WW zz _z ....J <! Ck'.I wU

~~ WW u .z

2=1 BUT VILL VARY FROM 1.5=1 TD 3:1 FOR VARIABLE TOPOGRAPHY

294

293

292

291

290

SECTION C (TYPICAL NEV CHANNEL VI MINIMUM CUT &. F ILU

CLOVER CREEK IMPROVEMENTS AT PARKLAND PRAIRIE PRESERVE

SOUTH PUGET SOUND SALMON 0 5 10 ENHANCEMENT GROUP

SCALE: 1· = 5'

l_ STREAMBED AND BANK DETAILS DRAWING 5

L

i MOUN D CONSTRUCTIO N NOTES=

FOR MOUND OM 1 ALL SOILS 'w'ILL COME FR CONSTRUC~~i~VATION.

CHANNEL OUT MOUND R 'w'ILL LAY

2. ENGIN~6CA TIDNS.

CENTER OILS PLACED 3 DD NOT COMPACT S FOR MOUNDS.

2' GAP BET'w'EEN MOUNDS

[

304

I ---- -~~;---~

DIAMETER 30' (+/-) TYPICAL PR AIRIE MOUND,

ROUND0~F~OUNDS TOPS

300 3' (+/-)

MOUND 299 EXISTING HEIGHT ~ PRAIRIE ~ 298 GROUND ~ 297

a 296 -I­<[ 295

~ 294 _J

w 293

292

291

290

--------- .

JUNE 2008 MENTS

CLOVTERP;:c~riM~:~r~CMci:ESERVE A ET SOUND

0 10 SOUTH PUGCEMENT GROUP ENHAN SCALE= l' = 5'

PRAIRIE MOUND DETAILS DRA'w'ING 6