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FILTER FABRIC STAPLES OR 2 2 14 GAGE
MATERIAL, MIRAFI WIRE RINGS (TYP) WELDED WIRE FABRIC NEWLY GRADED OR
140, OR EOUAL OR EOUAL DISTURBED SLOPE
co!
2"214GAGE
W.W.F.
I I I I I I FILTER FABRIC
I I i l MATERIAL
1 I 2• " 4' DOUG- j
I I I I 11 I'A I/2' WASHED EQUALAS L OR
W EX. CB u 11 u GRAVEL OR PEA
RIM =64.96 I I ''1 GRAVEL
I / -1I,E. = 62.56 (12' CONC. E) u U U
I I.E. = 62.56 (12' CONC. TO N) I i
it
II I II II II II N
EX. SD MH __ I �j"-14--- - -- - -n =T N U
RIM = 66.25 I I I I I ,.
LE.=62.75(8' CONC.N) U u u
I.E.=62.65(12' CONC E) I co I II
I.E. =62.25(15' CONC. W II 3 ' I II AT 4'
ODOUGLAS FIR BURY BOTTOM OF FLTER
II X I X Ili �I ELEVATION eAI RET,,rH"', L °" TYPICAL CROSS SECTION - ---65
w1 _ _ - - ,FB ZONE M-I
T �- EX. PWR. FILTER FABRIC FENCE DET. (NTS)
VAULT P/L 1246.63'
EX. CB ��,
RIM = 65.48
I.E. = 62.88
IS' CONC. N TO S) I IIIW
57 I - - • X '
4"-8" 01VARRY SPALLS
Prcvic% �a// !k/iWA
of /17prest JEyresS grew
(20' M/N.)
TEMP. CONTRUCTION ENTRANCE (NTS)
r1-
M
TEMPORARY SWALE (NTS)
W------- - - - - -- --N---------- �-----T-/7r/t
-LEGEND:
69.5 i68.6EX. SS MH Q IIINSTALL, \ -i ZONE M-I PROPOSED CONTOURS 71
RIM =65.89 oil I I FILTER FABRIC FENCE �� ° "' _
I.E. = 60.61 I o cD 1 EXISTING STORM DRAINAGE --�- - - -
(8' CON'C. W TO E) II 8.0 /° c ALONG NORTH 8 EAST i O
h I I 4 �° PROPERTY LINE PER - - - 02 PROPOSED STORM DRAINAGE
I I .211 ( s DETAIL THIS SHEET 3,1 I ! '65
RIP RAP PAD
MAX. I MAX -�
651\ I I II`, �Ic -----.INSTALL- eo ; I.ox_
FLOW DIRECTION
dl o aENTRANCE PER D TTEMPORARY AIL THIS S STORM DRAINAGE 10 1 \ \
0
GRASS -LINED SWALE ------
I -�
INSTALL: 1 Ex TEL. J-BO I - SHEET DETENTION POND - - f � \ WETLAND AREA - SEE
F TEMP. PIPE D BOT. EL = 66.0 PLAN PREPARED BY----16'W--------
Il WETLAND EASEMENT FILTER FABRIC FENCE
FOR SITE EN- I ,� MIN. TOP EL = 68.3 ' TERRA ASSOCIATES INC. EXISTING WATER
TRANCE �I I 69.5 1
- ` MAX. WS EL = 67.3 i FOR THIS PROJECT.
VOLUME = 2,273 C.F. I EXISTING TELEPHONE T
EX. F.H.
EXISTING GAS 4' G
I � 1
11 N I1 2�1 i I X EXISTIING SANITARY SEWER SS---0 -
o5T3 I~ 1 I • I IJ I' MA I \� O
Top of Berm
INSTALL' 0D I 0 3:1 1311 drvidngpond EL = 66.3 -
A EXISTING DITCH -
� I 11 69.40 � \ 0.5/0 0.5°/ O in10lwDcenS
TEMP. "V' DITCH I I I W II I I� / ♦♦ --♦ PROVIDE RIP RAP I MAX
PER DETAIL I I I ♦ PAD FOR EROSION \ .650� EXISTING EDGE OF PAVEMENT
THIS SHT. l fl + ` PROTECTION OF
PLACE 2'-4` IMPORTED -FILL MATERIAL SLOPE i N[�W4,
1 I' II I 6�so OVER EXISTING SOILS IN 6" - 8" LIFTS
COMPACTED' TO 90% ASTM D-155 ' NOTE:
X. UTILITIES 3 �3• ♦ 1 Top ofDead Slorage
jl I ESMT. 6 ♦♦ INSTALL, a I THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFING
I 3 I I I SILT F
- �B I �p«a Il7MRRmm THE LOCATION DIMENSION 8 DEPTH OF ALL EXIST
NG
ENCE
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`-INSTALL NEW CB TYPE II-48" WITH SOLID LID OVER EXISTING 70
STORM -DRAINAGE PIPE. RESTORE SIDEWALK TO ITS ORIGINAL
CONDITION OR BETTER CONTRACTOR TO POT HOLE AND FIELD
VERIFY THE rHORIZONTAL 'AND VERTICAL LOCATION OF EXIST.
STORM PRIOR TO CONSTRUCTION. CONTRACTOR TO OFF -SET LID
ITO BE LOCATED WITHIN SIDEWALK. AN STORM DRAINAGE PERMIT
IS REQUIRED FOR THIS CONNECTION. RIM 66.7i, I.E. = 61.5t
65
EX. CB
RIM 67.08
I.E. 61.16 (15' CONC. E)
I.E. = 60.73 (18' CONC. TO S)
EX. SD MH
RIM = 65.93
I.E. = 60.38 (18' CONC. N) 60
I.E. = 59.98 (24" CONC. TO SW)
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70 � SILT
FENCE
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70 -
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INSTALL,
NEW CB TYPE II-48'
RIM - 66.7i
L.E. - 61.51
I.E.
r64.7
INSTALL,
MIRAFI FILTER FENCE
PER DIET. THIS SHT.
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=111 I�111�IU=1j1? 11�I11�I11�1lIclU
INSTALL, GRAVEL
BEARM PER DETAIL
(
1
of om o
\ UTILITIES WHETHER SHOWN ON THESE PLANS OR NOT.
I
LOCATIONS OF UTILITIES AS SHOWN ON THIS PLAN ARE
I
BASED UPON THE UNVERIFIED PUBLIC INFORMATION a
X ARE SUBJECT TO VERIFACATION.
1
\ 11•-4•Washed CONSTRUCTION SEQUENCE:
2
' 3=I
6 Mvwnvm
I I Rock
Core 1. ARRANGE AND ATTEND A PRECONSTRUCTION MEETING WITH CITY OF AUBURN
19' Thickness
MAX
OFFICIALS.
I
Ouarry Spalls Layer
\
2 2 2. FLAG ALL CLEARING AND GRADING LIMITS.
\1
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3. CONSTRUCT TEMPORARY CONSTRUCTION ENTRANCE (MIN. 50' X 20' WITH QUARRY
1
SPALLS).
1
1
•6ag5 4. CONSTRUCT PERIMETER DITCHES, FILTER FABRIC FENCE AS SHOWN ON PLAN.
1
Cell pond Cell Pond
nom Bolom
Bo5. CONSTRUCT DETENTION AND EROSION CONTROL POND.
1
/ Note: 'Key' not required 6. CONSTRUCT DISCHARGE STRUCTURE AND SWALE.
/
I
7. FILL THE SITE TO NEW PROPOSED GRADE.
/
GRAVEL BEARM DETAIL (NTS) 8.REVEGETATE ALL EXPOSED AREAS.
1
- - '�
9. CLEAN AND INSPECT THE POND AND CONVEYANCE SYSTEM.
- 10, COMPLY WITH THE GRADING, DRAINAGE AND EROSION CONTROL NOTES.
-
INSTALL, I
TEMP. GRAVEL CONE
CONTROL STRUCTURE
PER DETAIL THIS SHEET
20 LF 12' SD @ 10.0%
SEC. C --C (DISCHARGE STRUCT. DET.)
SCALE, 1' 20' HORIZ., 1' 5' VERT.
165'
PROPOSED GRADE TOP EL = 67.00
0.5%
fIl lu=l))=111-11)
EXISTING GRADE
SECTION B-B
SCALE, I' Tor 20' HORIZ.
1' 5' VERT. 32'
260'
SILT
-FENCE
�111
2' WIDE
= GRASS -LINED
SWALE
SHOW TOP BERM ELEV. 48 IN. CMP STANDPIPE 0,
68.3 OPEN TOP CLOSED BOTTOM
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INCASED IN CONCRETE
�0
EL - 68.0
DISTANCE GREATER THAN
MIN. HEAD TO
DATUM: CITY OF AUBURN
BENCHMARK, "27Y" = 1 I/2' I.P. PC MON. 100' E. OF WEST ERN ON MAIN
PASS DESIGN STORM
(N. EDGE PIPE) EL. = 66.32
-
E.L.= 67:8 /
- /
SHOW do DESIGNATE
THE DESIGN STORM
SITE ADDRESS=
2. O
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L 0. 5' f
ELEV.= 67.3
940 WEST MAIN STREET, AUBURN WASHINGTON
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TIGHT SEAL O O O
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LEGAL DESCRIPTION:
\ °
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°
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to ,
O° O
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° ° ?
° O O
THE EAST QUARTER OF THE WEST HALF OF NORTHEAST OUARTTER OF THE
SOUTHWEST QUARTER SECTION 13, TWP.
to
O O
°°°°°O°°
6
21 NORTH , RANGE 4 EAST, W.M. IN KING
COUNTY, WASHINGTON , EXCEPT THE NORTH 30 FEET FOR STATE ROAD
0= 0.08
(CFS)
sHow INV. 8" PVC
�-
0
°�-`
O° O O° O O° O O O O O O
SUMP
SITUATE IN THE COUNTY OF KING , STATE OF WASHINGTON.
EL = 66.0 ° ° D O O O O O O
O°O°O°O°O°O°O°O
8"X8"X8" PVC TEE
RUBBER GASKET JOINTS III I-� I- -
00Z 1" DIA. TYP., 40 HOLES MIN. ® 10" O.C.
l�
.
-
12
€ ¢
�~ jn
PERFORATIONS SHALL BE LOCATED WITHIN
I _
=
THE LIMITS OF THE GRAVEL CONE
Sr
Y p� 1
y
8"RUBBER GASKET PLUG �- U �) 2 - 6" CONC. BASE
W/ ORIFICE HOLE SIZE I I III -III -III -I I -I
oe
L0� 1 9r"SST mo
! eT" sT N
s -III=1 I I-III-III-III=1 I COMPACTED GRAVEL BASE AS RCO'D. I /EI'�
v v
SHOW POND BOTTOM ELEV.=66.0
�TJICKER_ I 6
ROCKER
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a
_ EU(MER
_ - T".S FE _ - _ -flEk¢
sr�l rvST"
ST NE
TEMP. OUTLET CONTROL STRUCTURE (NTS)
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PARK:•A�d/`` K;x wwNE
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H ■ � ZN =
SITE
3 MAIN
GENERAL CONSTRUCTION NOTES:
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ST $E
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ST
1.
Within the City of Auburn, all required Detention
LL N
a
Sedimentation Drainage and Erosion Control Facilities must be
TI r
constructed and in operation, prior to land clearing and/or
sT
sE xRA
other construction activities, to insure that sediment -laden
-
TT
r„ sEz
ITK ST
water and storm drainage run-off does not impact the
adjacent
9r"
9r ST SE
properties or the natural drainage ways.
iAUBURN11T.
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PS
Ah/dNMI �!Gl^
2 •
The Detention, Sedimentation Drainage and Erosion Control
facilities depicted on this drawing are intended to be
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minimum requirements to meet anticipated site conditions.
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Additional drainage and erosion control facilities may be
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required as situations warrant during construction. The
BOUNDARY I"
sr"sTSEI
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implementation, maintenance, replacement and additions to
these control
IITH.
24j
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1
,IeT"SSE$
systems shall be. the responsibility of the
;`,T
9TM5"'��
permittee.
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2oTM
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3
The Detention Control pond shall. remain In plape
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until the permanent storm system is in place and
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operational.
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e
RD T SE
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6
4.
The Temporary erosion control facilities, including all
Wipmy
�rK 5T SEx
perimeter controls, shall remain in place until final site
construction is completed and approval has been received
from the City.
5.
Denuded areas and soil stock files t
VICINITY M A P
17
• ST E'er Id � � w
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`'9CV6V�N
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�UCRLEY T "
'I r"DI.II RES.
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Lake
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ITHST SE 20
YUCRLESIK)07 1•rM °
f RDIW
RES.
Es h w
ORES
ID ST SE--_-
1D ST SE
„ T I
-se- - y
p mus a stabilized or
DETENTION POND - TOP EL. according to the following schedule:
- PROPOSED GRADE
5, 668.3 From April
0.5 %1 to October 31 all denuded areas at, final
� I grade and all exposed areas that are scheduled to GRA 0005-91 ��������
remain unworked for more than 30 days shall be ! SA ,y e'
o
SILT FENCE stabilized within 10 days. 1G i P�-"••R•.R^%,�^ e
_ THESE PLANS ARE "APPROVED" FOR 0�s S•'' of Lti.'- �''•`•p' '•
From November 1 to March 31 all exposed soils at final
grade shall be stabilized immediately using permanent CONFORMANCE WITH THE CITY OF a rf~�l \ `I '00% 0
/ or temporary measures. Exposed soils with an area AUBURN ENGINEERING DIVISIONS i
greater than 5,000 square feet that are scheduled to REQUIREMENTS: • �_
• X
remain unworked for more than 24 hours and exposed area • •
EXISTING GRADE
14'
of less than 5,000 square feet that will remain
unworked for more than 7 days shall be stabilized
SECTION A -A
HIGH GROUND
@
immediately, by Mulching 8 Hydroseeding
6. On
/�
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SURFACE
projects with Grading Permits only, and for which no
; g y,
APPROVED: BY:
SCALE' I' = 2C' HORIZ.
39E
subsequent Building Permit hos been issued, an as -built
I" = 5' VERT.
drawing will be required upon completion of grading
activities.
DATE APPROVED"
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