HomeMy WebLinkAboutR-398711INNS
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1
BOTTOM LIMITS OF BIORETENTION
1
AREA AS DENOTED ON PLAN
UPPER LIMITS OF WITH DARK OUTLINE AND
O
BIORETENTION SOIL PER BIORETENTION AREA HATCH
W
LA DWGS OR 1.5' MIN
F-
CONSTRUCTION SEQUENCE FOR BIORETENTION AREA
UPPER LIMITS OF
- - -
---1.
PLANTINGS BIORETENTION SOIL PER INSTALL TEMPORARY SEDIMENT CONTROL EMIRS AS SHOWN ON PLAN.
PER LA to DWGS OR 15 MIN
DWGS
-
2. COMPLETE SITE GRADING. PROVIDE PROTECTION SO THAT DRAINAGE IS PROHIBITED
FROM ENTERING BIORETENTION CONSTRUCTION AREA.
I
6" PONDING
agrw q OBE
3. SITE NTION
TO NTEMPOR
AREAS BIIORETENOTIONAREASCTTHATLETE WERERSED ASR RIY SEDIMENT RAPS
SIORETENTION AREA BOTTOM SHOULD BE EXCAVATED 6 INCHES BELOW THE BOTTOM OF THE SEDIMENT TRAP
3" TOP MULCH �y ELEVATION AT TOP OFz
" PRIOR TO CONSTRUCTION OF BIORETENTION AREA
:(.o DTE
LAYER LAYER (PER PLAN)
� ,_ ,F
E.WJHMK Ec w„+sMULCH
12" BOTTOM OF BIORETENTION 4 INSTALL BIORETENTION AREA IN ACCORDANCE WITH CITY OF RENTON STD PLAN
MIN DEPTH IL AREA SHOULD BE LEVEL 26200
SOIL ON
swims EN1�iT�SIDE
4SIDE
REsooesieBIO
WITH NO SLOPE
SLOPES (TYP) '� y i
SLOPES
WSTD ;LOCKING
ACT SUBGRADE 5. EXCAVATE BIORETENTION AREA AND INFILTRATION TRENCH. INSTALL FABRIC, AND
l awEwO�rsk'Neaw
ENTION BOTTOM BACKFILL INFILTRATION TRENCH. GEOTECHNICAL ENGINEER SHALL VERIFY SUBGRADE18" DEPTH BIORETENTION
MIX
v -
WSOIL
UPPER 3'-4' PRIOR TO BACKFILL. PROTECT INFILTRATION TRENCH FROM ANY STORMWATER UNTILREQUIRED UNDER FULL
CEMENT OF SITE IS COMPLETELY STABILIZED AND STORM DRAINAGE SYSTEM IS CLEANED.
._� Ck e•«
"t0 s_�w^¢aEXTENT
?U
IKE
OF BIORETENTION
TERIAL
_
�ill:12'
sA„Occ. „OERLe FRI rREWRED
1IN
BOTTOM AREA
- PER CIN OF RENTON 6. SCARIFY THE TOP 3"-4” OF EXISTING SOIL SURFACES OUTSIDE OF INFILTRATION
___�`'
DEPTH CITY OF 40 W/ LOCKING DUCTILE TRENCH CARE SHALL BE TAKEN TO NOT CONTAMINATE INFILTRATION TRENCH. DO
'
sFEE " 1111111 II IIIIIIIIIIII
'E
q NOT COMPACT NATIVE SUBGRADE
SEATTLE MINERAL IRON BEEHIVE GRATE
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AGGREGATE TYPE 26 RIM SHALL BE 6" ABOVE BIORETENTION
T °E'msR
BOTTOM (TOP OF MULCH LAYER) T BACKFILL BIORETENTION AREA WITH BIORETENTION SOIL MIX AND AGGREGATE
_
MATERIAL. OVERFILLING IS RECOMMENDED TO ACCOUNT FOR SETTLEMENT. LIGHT
¢+0.dPEeM1 j
BOTTOM LIMITS OF BIORETENTION HAND TAMPING IS ACCEPTABLE IF NECESSARY.
AREA AS DENOTED ON PLAN
UPPER LIMITS OF WITH DARK OUTLINE AND 8. BIORETENTION SOIL MIX SHALL BE PER LANDSCAPE AND CITY OF RENTON SWDM
BIORETENTION AREA HATCH
BIORETENTION SOIL PER REFERENCE SECTION 11 C. BIORETENTION SOIL DEPTH SHALL BE A MINIMUM OF
UPPER LIMITS OF 18 -INCHES
,y FFF 7l F
IA DADS OR 1.5' MIN
v.
BIORETENTION SOIL PER
-
s„„�
LA DWGS OR 1.5' MIN 9. PRESOAK THE PLANTING SOIL PER LANDSCAPE PRIOR TO PLANTING VEGETATION TO
IT. 'IF' i-.. c. 's:«
-- ,.
6” PONDIN
aH'/v M ' AID IN SETTLEMENT.
_
PETER;
car � w.rew+saRmir.
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l
10. COMPLETE FINAL GRADING TO ACHIEVE PROPOSED DESIGN ELEVATIONS. LEAVE SPACE
,5c IT NU-
3” TOP MULCH FOR UPPER LAYER OF MULCH AS SPECIFIED ON PLANS.
a enw s a«o.+s.eaa _sa[R�'
««_°
POTu.
LAYER
53ia�b9LERRg*R+L9€
ss FST f4bM2w i&'�g�,s�n ¢ E+ +,
Fv+` L �&'.54a;&"'r� ;!^ '2Ra? � i. .�.-_:
s.
97 e��5.�i�cs �a..a m. a. A- aR�w towomm is TRI stuFr+aRIM
_ *n we maPwE�E`et uirc.euvo>rwarsRea„oReaw-src.
_ 11. INSTALL DISCHARGE PAD PROTECTION AT FLOW ENTRANCES. DISCHARGE PAD WILL BE
n��•T. esn rc a„ra,uvi.
_
18" DEPTH BIORETENTION - -- -' =`:TDO NOT COMPACT SUBGRADE SET INTO BIORETENTION SOIL AND NOT LOCATED OVER MULCH.
±T +aen+snMrouvw'ulvEhi s+sRsonullo-susbw PEEERtbrrapcT�n ':co•
WITHIN BIORETENTION BOTTOM
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SOIL MIX
s ro„ews�lmw-..s'rcaaaysts att¢wfeERmokN
O"E
REQUIRED UNDER FULL / AREA. SCARIFY UPPER 3-4” 12. PLANT VEGETATION ACCORDING TO LANDSCAPE PLANTING PLAN.
R .M„ RTLo„u.a/oR.si n+uOe a o. sE R.ame+t„T ORsw ss... a_+.
s .I„. TUNE co9e.sD"CTER a„iiL 9E HONEST THANu.. wivaee.EoRsww
EXTENT OF BIORETENTION PRIOR TO PLACEMENT OF
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BOTTOM AREA AGGREGATE MATERIAL
GENERAL NOTES
src nnm. v.EE„RRsustaTexnwsaswuxRYaseeA. sEPreR?as,
j - 13. CONTRACTOR IS RESPONSIBLE FOR KEEPING BIORETENTIONSOIL SEDIMENT FREE
�3' WIDE BY 28' LONG AFTER INSTALLATION AND UPON COMPETITION OF CONSTRUCTION, AND ANY SEDIMENT
CONSTRUCTION,
R R� ews� a y s s u wxwwu o.uemv �.On.
oaelEuiEmeu
//
RECEPTOR BED INFILTRATION TRENCH CONTAMINATED BIORETENTION SOIL SHALL BE REMOVED AND REPLACED AT THE
c P vss '^sE « Ro E sx E c+c
"`w V
12” DEPTH CITY OF SEATTLE
+- e..„F Rw vrx TOw.O.u.Raew.x..eeEss. s Benne.
TYPE 26 AGGREGATE MATERIAL TO BE PER AASHTO NO. 2 CONTRACTORS EXPENSE.
INSWINUMMOMENTot o p . euPmE„Rsss ss s EEn;
SIDs O PR. 9 _ w NIT we *Rt _ ses RSFa.
T .::„os R.„csw.,„„a�wr.wRs.Rucm„. ePmO.OSOew,w.T.nvws+gees
6 ELEVATION OF RECEPTOR LAYER
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aN PsresRnNMe or xv svn'arx~, asrs ±esstawSmxxa+'9w+yygganpE.ns*sRR + Em,Uw
-
12” APPROXIMATELY 7 FEET BELOW EX GRADE
a. 5 c AATCfewRE+Nm
E�m
CONTRACTOR TO COORDINATE WITH
I FOOD
Hn
GEOTECHNICAL ENGINEER FOR
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-,� „.,„v ��. R „.,,
PROVIDE SEPARATION FABRIC ALONG -//
LONG VERIFICATION OF SUBGRADE PRIOR TO
,. ”
SIDES OF INFILTRATION TRENCH TO BACKFILL
,sva+w.wv.o+m=...,w
6” INTO RECEPTOR LAYER
Pueuc woeKs
STD. PLAN M2,00
BIORETENTION SERION -
Pu9uCAVOBKs BIORETENTION OVERFLOW OUTLET
M. PUTS i6x.ao
DO NOT PLACE BETWEEN
oEaaRTn4eRT
(NO UNDERORAIN) - ILL 17
' GFPAnrmSrvr STRUCTURE
_
BIORETENTION AND GRAVEL OR AT
r f
BOTTOM OF INFILTRATION TRENCH
SECTION A—A
NUSL
Nrs
BIORETENTION FACILITY WITH INFILTRATION TRENCH V
COR STD PLAN 262,00 - BIORETENTION SECTION (NO UNDERDRAIN)
COR STD PLAN 262.40 - BIORETENTION -OVERFLOW OUTLET STRUCTURE
R-398711
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
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SURFACE WATER UTILITY
(Fitz -James 02/15/2018
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CITY OF
RENTON
FIRE STATION 15
1404 N 30TH .STREET
12/22/2017
1932 First Ave Call 3 Working Days
SuitE201 Before You DIG!
Seattle, WA 98101 I�`''�
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PERMIT RESUBMITTAL 2/12/18
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p. 206.725.1211 9E� �\
PERMIT RESUBMITTAL 1/29/18
RENTON, WA 98056
IN NOImm
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f. 206.973.5344 q
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WE RON
DATUM
Planning/Building/Public Works
16 18
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AT PILL
Dept.
DATE
APPR
engineeringpllcRwwlpdengineenng.Eom 7-800-424-5555
NO. REVISION BY
SP"`"Css"cL'
DRrwACE DEALS
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