Plans ::Y. f.. .. 1 a a`? .. P x � .� a..'. pie :.�� S..Aw . _ .s., . ..c, a S � ,, ' Y . '
LEGEND: ;
a
• Approximate Manhole Location Approximate Location of Turbidity Curtain 0 Proposed Confirmation Sediment Sample Location
c.
r
A. Approximate Storm Sewer Outfall Location Area of Limited Vegetation Removal D Turbidity Monitoring Location r
for Creek Access and Restoration ' ° ; q
- - - Approximate Culvert Line • Wattles ,
Proposed Transportation Route (see Detail D 5) x ^
- ° � �
Approximate Storm Sewer Line
Sheetpile Check Dam* Proposed Sediment Removal Area =
-,.---',.!';'"'w.:',Z3„i44:- ":,,'''-' '.' - -,0*..-i.:. k'
--••• Approximate Storm Water Flow Direction (see Detail D -3) ; ,
i
Taxlot Boundary °+_ Station De Designation il (25ft. Interval)fi k =• '
• (see ta D -5)
Tract B (Taxlot 2S1 01 CA 700)
m. . , .. c
.
x
II
c
.. R JR r' �. M _ + P F .i
3 f ,
3
Y r s S< , ',. r� a
*.: ' ' .,‘, '"- # : , :‘' i.S, ' .' ' '.''''', ;: , T ,�, . i:.
- -�a 1 .
,
.n .. .. . �. 1 . e , ei k.. �,,..,, ,,. a .� i.: ��.�... & ^'K -^ ' t' i
,. . ::. .+nd .. a .,....a;:: � .s. �' i:^.�;*. .. _ ;�,,;,P,. y . . :w , 4 v . '� a� "o §
� ' Sec B Do wnstream T ur b i di Cu rtain a, ; Section A Downstream Turbidi Curtain e
sue" ty , tY
� ; . . � , _ . �.... �:. ;� ., F es ,, :
' ' . ""W4W ' ' ' ' '''''' ,i i;7: :1 1: . .. : : :' : .■ ,...,.. ', , c ,.. ; ' : 4 1 ' ':,,,,,'''.4:14'-' Section B Upstre Turbidity Curtain ;: --
f
Section
r r o u . e
,..,„...:,,,., — -,
0 .
—r° E;,'
frecbon of Stream Flow
{ s a
k ....
, _,.._
„..,„:„..,-4,"- '-''': '''' _ _ _ .m� :
■
t
" aFx' ,taz, ., ae . v s 4fr 'C } ssS'
Y?`LTt'` 4Y`fl+i. Y 'i'+ i Yd .. .
,
U #. 4 ` , e`A � vkL, 'uhf Y < 'S ;
NOTE: Taxlols and 2009 aerial imagery from ftp.metro- region.org -Metro Data Resource Center. cLI ".T PROJE '
`Bypass pumping may be used to transfer streamflow to below work area. SD REM OVAL AC TI O N OCTOBER 201 1
Slonnwater Best Management Pra "ices are boot to `hangs depending on wealhec REALNET INVESTMENTS, LLC CHK'D BY FORMER C MANUFA FAC PARCEL PROJECT 190.
No sediment excavation aClivltles will be con ducted in wet weather Contlilions,
JE 7930 OE SW HUNZIKER ROAD CTURING , TIGARD ILITY - OF 0 - 61M - FI 11685 - URE
DATUM
NAD83 TI REV. NO.:
AMEC Earth & Environmental PROJECTION EROSION CON TROL PLAN
11810 North Creek Parkway N OR SP North, Ft. FIGURE NO.
Bothell, WA9 a e SCALE SECTIONS A -B
1 inch =25 feet G 3
K 111000 \11600\116851116851 \DWG \Front Parcel Maps \Tract B Removal \Erosion_Control\Figure 3 - Erosion Control Plan Sections A -B.mxd
,
Downstream Secondary Turbidity Curtain w= LEGEND:
C <
Approxima Sewer Outfall Location ® Proposed Confirmation Sediment Sample Location
la
Section F Downstream Turbidity Curta — — 100 Year FI d Storm PI
Turbidity Monitoring t
see Detail D 4 -� ear oo aln ur I oni oring Loca ion
dity M
x Approximate Fence Location Approximate Location of Turbidity Curtain
i f.„._
�.' Line Area of Limited Vegetation Removal
' ra
—► Approximate Approximate Storm Storm Water Flow Direction
x Matting
City of Tigard Local Wetlands Sewer Inventory _—_
„ ..... , ' I W — posed T ransport Rout
Taxlot Significant Boundary etland
II Sta Designation CreekAccess and Resto (25ft. ation e
Interva l) k '.
� - -- Section E Upstream Turbidity Curtain
p y o+oo (se Detail D -5)
=' n Tract B (Taxlot 2S101CA -700)
Wa ttles
1
1 i ° Section C Downstream Turbidity Curtain ( see l D -5)
i
E .
�_ j Proposed Deta Equipment Staging al A rrea a
' `
- Proposed Sediment Remov Ae
�`- - -.l
..-%
, • < Proposed Shallow il e a Area
'�' xis`" s as f � . '. "7 SoR " • -, ....t.<2.1... � i f -�U vim` ��` r , � �°• '�
y � ' 1 -‘ , " , ''' Cross Section A
s see Detail D 1 6 .
. n
a a �� Section C Upstream Turbidity Curtai
■
"."'.....a."''''''....... i II
�g FIItEf 1
a
,, Untreated (6.500- ga Water
FRAC Storage Tank) Tank °.. r.,„,.. 4,.... . r :
\ i \ i,N''''A-k*.,,, ' 9 llon 1
� �
•
alien GAl Filt2r I
_ -_ ti r -- ' + + + +.� ++ f . J j
--- Treated Water Storage Tank r►� - ,? •
1 (6,500 gallon FRAC Tank) ?
w,:
i Section 2A ` �
i
0
I ` ii
r M:
.... /
w
NOTE 2009 anage aenal image ry m ftp.metro- region.org -Metro Dale Peso
' 1 unitiminsimill -,,t1
urce Center. L - DAN '' PROJECT DATE.
Stormwater Taxlots Best and Mment Practic (torn subject to change depending on weather. SD REMOVAL ACTT ON OCTOBER 2011
No sediment excavation activities will be conducted in wet weather conditions.
REALNET INVESTMENTS, LLC CH DBY F ORMER COE MANUFACTURING FACILITY FRONT PARCEL PROJECT NO.
JE 7930 SW HUNZIKER ROAD, TIGARD, OREGON 0 -61M- 11685 -4
DATUM:
NAD83 TITL REV. NO
AMEC Earth & Env PROJECTION EROSION CONTROL PLAN
11810 North Creek Par N OR SP North, Ft.
FIGURE NO.:
Bothell, WA 9801 �� SCAIE: SECTIONS C -D -E -F
1 inch =25 feet FIGURE 4
K111000111600\116851116851 \DWG \Front Parcel Maps \Tract B Removal \Erosion_ Control \Figure 4- Erosion Control Plan Sections C- O- E -E .mxd
-- .-
,--
._
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Figure 4 ^ ,
,..
a
a , .. ...., ,.. '17- .1", - ,,,_ - ,! : - -7 , =• .' _ - 1'1' -, _ III ''-'-,------ -7 , --- ' - '•.'Fi!ure 3,1
_,' , , If , ..., ;•
2S101CA00700 ,
- , ,.,
i .J ,
_.„ _ .„,
(Tract B)
.., .... .
: - 2SI 01 CA00600''
,
3 •,. , i -
a..,a
1
,•• `-• -- .7; -. - f -r-_•.:..- --,- • • - - --- ',1,...„- - :-.. -- ;: - ' - ' -''' -::,, 4 i g i .;',..`:,- '---- ' . : .
.:...- '7:17 ',:- '''''''''.""''''''... ' --_,, '
r .;::.
Former Hazardous V i 1 ,----- - •
! - ' -- ' '
Waste/Petroleum
Storage Area
/
c
,-,
N
,....- ____ .
.„
2S101CA00500 Compressor Shed
Building #1 / • '''. - iatniiiit1
i cn
_ ...,..
- .• , .
2 t C p A a 0 r 0 c 4 e 0 0 0
Offices
SW-Wall-St.
. .., -
..— A .---. :r -7-.-:-?--,,.-.!.-'8.----..,,...-4e,,c-f.-- <,-;;:t. ' "'''' - '-' -1, r r ' ----- 7
LEGEND:
..,
- - - - Redrock Creek .
City of Tigard Local Wetlands Inventory
_
= Significant Wetland
F1 Site Boundary 0 50 100 150
-----'
Taxlot Boundary -- - 1.1M1.11.1
'' Feet
. , - - . „•.
. .
I
NOTE Taxlots and 2009 aerial magery from ftp.metro-region.org - Metro Data Resource Center CLIENT DVV1TTY PROJECT DATE
City of Tigard Wetlands Inventory data obtained from City of Tigard SD REMOVAL ACTION OCTOBER 2011
REALNET INVESTMENTS, LLC CHK'D BY FORMER COE MANUFACTURING FACILITY - FRONT PARCEL PROJECT NO
JE 7930 SW HUNZIKER ROAD, TIGARD, OREGON 0-61M-11685-4
DATUM
REV NO.
NAD83 TITLE
AMEC Earth & Environmental PROJECTION
•• - '
11810 North Creek Parkway N afriec OR SP North, Ft PROJECT SITE OVERVIEW FIGURE NO.
Bothell, WA 98011
SCA
inch - 100 feet FIGURE 2
K \ 11000 111600 \ 11685 \ 116851 \ DWG\ Front Parcel Maps \Tract B Removal\ Erosion_Control \ Figure 2 - Project Site Overview mxd
TYPICAL SECTION Y DIRECTION Y DRIVE SHEET PILE
OF FLOW g
CUVERT INLET�
o i FLOW I o L I"
STAPLE PN ES TO
w WOODEN STAKES 1 �
m Y O
j '',1--
U
a o o 16' MIN.) \ MB" 1 IN.)
r r r +
� i Q r F • o i o 1
o 5 i w 3 E C A V EO .A g [ a 1 ` TRENCH TOE OF
EXCAVATION AREA g a.
0 8' (MIN.)
z Qw° * i w >- v_.' a aw z ~ ~ ( 6 M��D BOTTOM
o s > ° °.i i ¢ o > E r o TOP OF EXCAVATION CULVERT PLAN ( MIN.)
o l'2' ¢ ¢ rc a c a i a 1 ROADWAY
� � o EXISTING GROUND SURFACE
N,. < � m o a :•:I:•:•:•1:1:r t:1 :i_I:N. CHECK DAM DIRECTION
STREAM :..:i:i: 1:r. 6 COMPACTED GRAVEL 5' SURFACE
PLAN VIEW
Access .a:1 Y:1C.:∎ci: :: :: ::I:,::n. (ASSUMED DEPTH) 1 0' (MAX.) Flow
ROUTE i1. 11ft: 1I•I:I li.
6' () DEPTH OF WATER = — f f
wIDiH OF - of ttoe (6' BELOW SHEET PILE)
E XCAVATION F '',,,,,','N. •,i^;,„5r
( (VARIES) I i`�''' �+4 " � " 6 NATIVE SOIL SECONDARY WORK SECTION
4•42.N R" �Y r atsa"e� \ / CURTAIN
TURBIDITY (TYR)
�,''i . s 1 PROFILE VIEW DOWNGRADIENT TURBIDITY CURTAIN
• 1 F ; , h , " , r� . l., B9TtOM of EXCAVATION I (TOTAL EXCAVATION DEPTH: 1-Fr.) — — —
REDR CREFX I `
SHEEP PILE
CHECK DAM p1RECT10N
PROFILE VIEW
1 IN.) OF 1- f ..
n
DEPTH VARIES EXISTING CULVERT "II f_
(LIMIT WATER DURING 1 1 • i �.� •' : ..:
SEDIMENT REMOVAL) 3' (MIN.) '
UNIMPACTED SOFT SEDIMENT SURFACE WATER IN DITCH 6' (MIN.) I f6" MIN^ •
WILL REMAIN IN PLACE i �I ��''...�•'..- .,;:.;,�.::.. `.•.::.i �:. -.
BELOW 6- INCHES IMPACTED SEDIMENT \ L � PILSHEET
(REMOVE UPPER 6- IN
E
410
GO CROSS SECTION A' - A° EXCAVATION CROSS SECTION B' - B° 1' SUMP OPTIONAL' Fiji BArnCKFTCLLEDOAND 41
CO `
1 411111k.-41
N TO SCALE NOT TO SCALE MPA • .
CHECK DAM CHECK DAM TURBIDITY CURTAIN (TYP.)
SECTION VIEW NOT To SCALE SECTION VIEW NOT TO SCALE
r FORMED cN ON rIY RAIL OVERLAP MAT 6- INCHES
f
WOOD STAKE 32 /
I 44 I4►r��� ' "°' ne T w m °' \ (IIFYDNR��) -
. 1!! ' �' ` €: £g# € 3 ?= #3#3 I 38 E! \ _ - _
a •
S TATION MARKER (TYP.) _ q c •• °s il; 3 •e !el* i f • ° . i•i • • • °° 11::4:.7., \ \ _
( SEE INSET D -5A) ` 1 I I i o ' 1 777 0 °o a ] ° o ° a• •i ° i •i• ° o e • - --
"C e.. • e • • eoe • �e iioeQe e �..ii PM. , ia:
RICE, COCONUT e • • a o a a • e o ° - .• • o o s,o•e a•• g •
TOP OF CREEK OR EXCELSIOR • .•
� 0 WATTLES �.. - -- c
SI Slr I • e • °o •° • • • • ••••e•e, e ° • •� • • • saeao4 1 • • J i °• o • a• • o # • a s o e • o ) 0 "'t 42 --" I3 • 1, . :i I R S t e • .•' S • eia • 84 STAPLE PATTERN - • , 21 -. -
SECTION VIEW tl •r ! y�y y�y a y � ty�y e ms •, y �y�y�y� �y�y � DOOR PANEL (TYP.) `�I►
PLACE WATTLES ALONG SLOPE CONTOURS. I. X y� r . [ •OOC~'SiYCXS <Y�$w it }801`�i}• 3 l- ? OC}Ci%6io ms
PROFILE VIEW _ ••
1 -T
4} / )ASXET CLEANOUT HATCH ,'
STATION DESIGNATION All I�1
STATION (WRfffEN IN INDELIBLE INK) ∎ ■ •.• siI JUTE MAT h
MARKER
II INSTALL JUTE MAT - II II I-YDROSEED
. ' PI ALONG
ING 4' O.C. STREAM TOP BANK 1 (IF NEEDED)
WHERE NEEDED EXISTING BANK
------24. 4' PIPE NIPPLE AND CAP WALL SHEET DIMENSIONS (MAINTAIN SLOPE)
OVERLAND & HYDROSEED
FLOW LONG X 3'4%4'i (MIN.) 6D 96 96 - 3
REDROCK
._ 2 STAKE 492 f--- es
CREEK (OR EQUIVALENT) . _ ti t _____. — - 1 -I
t "\, 'I I M , NOTES:
RMATION PROVIDED IS MINIMUM REQUIREMENTS.
STATION AADJACENT TLES GROUND SURFACE I I , oi MANUFACTURES REQUIREMENTS WHICH ARE MORE STRINGENT
MARKER • ' 53 SHALL BE USED.
MP.)
2 . INSTALL MAT PARALLEL IN CENTER OF CHANNEL IN THE
PLAN VIEW > ' �, : _ ___ - DIRECTION OF FLOW.
• ~1♦ 1'///////////// \ \ \ \ \ \ \ % / / / / / / / / / / / / / / / //, \\ \ \ \ \C % //J/ / / / / /1 / / / / /// / / / / / /// I I I l 3. COHESIVE
SOIL ST 6 NCH, B NON�COHESNE OILS 1 8- E INCH.
NOTE:
I. STAKING SPECIFICATIONS: L_ S TATION MARKER J \ � W 9 2' LJ LJ 4. HYDROSEED SHALL CONSIST OF NATIVE RIPARIAN /STREAMBANK
a. I WOODEN STAKES INSET D - 5A MIX WITH APPLICATION RATE OF 2LBS PER 1,000SF; (FESTUCA
b. ADOTTIONAL STAKES MAY BE INSTALLED ON DOWNHILL SIDE OF 6' PIPE NIP °LE AND CAP ; ELYMUS GLAUCUS
BROMUS CARENATUS
WATTLES, ON STEEP SLOPE OR HIGHLY EROSIVE SOILS. NOTES: RUBRA (505); (205);
1. ALL BOWS SHALL BE 03VERED 2510 NOT IN USE FOR A PERIM LONGER THAN 2 DAYS (205); LUPINUS POLYPHILLIS (105))
264
0 WATTLES (IF NECESSARY) & STATION MARKER (INSET) DEWATERING BOX (TYP.) JUTE MAT DETAIL
NOT TO SCALE NOT TO SCALE NOT TO SCALE
CLIENT: DWN BY PROJECT DATE:
SD REMOVAL ACTION OCTOBER 2011
REALNET INVESTMENTS, LLC cFiK'DBY. FORMER COE MANUFACTURING FACILITY - FRONT PARCEL PROJECT NO:
HN 7930 SW HUNZIKER ROAD, TIGARD, OREGON 0- 61M- 116854
DATUM:
N/A TITLE: REV. NO.:
AMEC Earth & Environmental PROJECTION:
7376 S.W. Durham Road N/A REMOVAL ACTION DETAILS FIGURE No
Portland, OR. U.S.A. 97224 ame SCALE: 6
N/A
K:\ 11000 \11600 \11685 \116851 \DWG \Front Parcel Maps \Tract B Removal \Erosion_Control \Figure 6 - Removal Action Details.dwg - Figure 6 - Removal Action Details - Oct. 19. 2011 3:18pm - stephane.descombes