HomeMy WebLinkAboutRC 20211001001587 Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-1 of 30
Record Date:10/1/2021 3:16 PM
Electronically Recorded King County, WA
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-2 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-3 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Record Date:10/1/2021 3:16 PM King County, WA
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AREA=44,349 S.F.(1.02 AC,)± � ;
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- � � � � �w�" NEW/REPLACED IMPERVIOUS AREA: 320,394 SF(7.36 AC)
ON-SITE BMP(S)USED:
SOiL AMENDMENTS,TREE RETENTION CREDIT
THIS PRQPERTY IS PART OF OF DRAIhIAGE AGREEMENT
IN WHICH FLOW GONTROL IS PROVIDED BY A REGIONAL
SHARED STORMWATER FACILITY.
I �
EXHIBlT A — (�IV—SITE BMP i�LAN S�EET
1 QF 1
2lrC�llt�CtS p�QLOGIS RENTOR! 9 PROJECT NUMBEF2
601 MONSTER ROA� SW , 17-045
95Q Pacific Avenue,Suite 450 RE N TO N, WA �ATE
Tacoma,WA 9E402 10-1$-2020
253-572�943
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-5 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Prologis �enton 9 �'v���:,��`c�`-��
601 onster oad S
Maintenance and Source Control Manual
For: Prologis
12720 Gateway Dr., Suite 110
Tukwila, WA 98168
By: Innova Architects
950 Pacific Avenue, Suite 450
Tacoma, Washington 98402
253-572-4903
Date: April 2019 / Updated 06/2021
Job No: 17-045
Parcel: 2423049008
Permit No: C18006309
Engineer: Steve T. Nelson, P.E.
Contact: Steve T. Nelson, P.E.
Innova Architects
950 Pacific Avenue, Suite 450
Tacoma, Washington 98402
253-572-4903
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June 14, 2021
INNOVA Architects Inc. Phone (253) 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-6 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Table of Contents
Section 1 — Project Description
Section 2 — Maintenance Importance and Intent
Section 3 — Responsible Parties
Section 4 — Facilities Requiring Maintenance
Section 5 — Vegetation Maintenance
Section 6 — Pollution Source Control Measures
Section 7 — Annual Cost of Maintenance
Appendix A: Maintenance Checklists
INNOVA Architects Inc. Phone (253) 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
I
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I
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-7 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Section 1 — Project Description
The proposed project site is located at 601 Monster Road SW, Renton, Washington in King
County on Parcel Number 242304-9008. The property is located inside the city of limits of the City
of Renton. The total parcel area is 9.61 acres.
This site's redevelopment will consist of expanding the existing building's footprint by about 0.367
acres to about 3.75 acres and the pollution generating impervious surfaces will be expanded by
about 1.102 acres to about 3.29 acres.
The proposal is for three accesses off Monster Road SW (one new) and using the existing
sidewalk along most of Monster Road SW but adding a new section of curb, gutter and sidewalk
along the east side of the site. The landscape buffer will be added to.
Sewer, water and other utilities common to this type of project (power, cable, phone, etc.) are
available in along Monster Road SW.
Currently this properly has an existing commercial building, access and parking which is generally
around the site. The general ground cover is mostly grasses, a few brushes and a few trees.
Grades across the property generally slope from southeast corner to northwest corner with slopes
ranging between 1 to 5 percent ending next to Monster Road SW. There is a small much steeper
area next to the south property line that runs around 30 percent. Total vertical relief across the
site, not counting this steep section is approximately 15-feet from an elevation of 39 along the
existing parking area at the southeast corner to an elevation of 24 at the northwest property
corner next to Monster Road SW.
The project is bounded on the west and south by existing commercial buildings, on the east by
Monster Road SW and then King County sewage treatment facility, and on the north by Monster
Road SW and then a city park and then Black River.
For stormwater quantity, this property, along with the surrounding properties, is part of a private
shared regional stormwater facility which is just west of this site. Utilizing this stormwater facility
eliminates the need for an on-site detention facility.
Stormwater quality will be to provide enhanced basic water quality treatment along with utilizing
an oil/water separator for the truck dock area and then further cleaning water by using a linear
modular wetland system which meets the enhanced basic water quality treatment.
New storm connections will be made to the existing storm line which runs along the south side of
the existing building. The project is proposing to connect the roof drains (clean water) directly to
the last manhole on this existing storm lines that continues to the existing stormwater facilities just
( west of this site.
�
INNOVA Architects Inc. Phone(253) 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-8 of 30
Record Date:10/1/2021 3:16 PM King County, WA
,.,��L� ���r�����
Section 2 — Maintenance Importance and Inlet
The importance of-maintenance for the proper functioning of stormwater control facilities cannot
be over-emphasized. A substantial portion of failures (clogging of filters, re-suspension of
sediments, loss of storage capacity, etc.) are due to inadequate maintenance. Stormwater BMP
maintenance is essential to ensure that BMPs function as intended throughout their life cycle.
The fundamental goals of maintenance activities are to insure the entire flow regime and
treatment train designed for this site continue to fully function. For this site these include:
Maintain ability of storm facility to attenuate flow rates
Maintain the oil/water separator facility
Maintain ability to safely convey design stormwater flows
Maintain the BioPod Biofilter System
Preserve soil and plant health, as well as stormwater flow contact with plant and soil system
Clearly identify systems so they can be protected
Keep maintenance costs low
Prevent large-scale or extensive stormwater system failures
Prevent water quality violations or damage to downstream properties
The intent of this section and manual is to pass on to the responsible party(s) all the information
critical to understand the design of the system, risks and consideration for proper use,
suggestions for maintenance frequencies, and const so that realistic budgets can be established.
Section 3 — Responsible Party
DCT Industrial will responsible for the maintenance and operations of the onsite storm system.
Section 4 — Facilities Requiring Maintenance
All stormwater structures, oil/water separator facility, BioPod Biofilter system, cleanouts and
conveyance piping will require regular maintenance.
INNOVA Architects Inc. Phone (253) 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-9 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Section 5 — Vegetation Maintenance
Plant Maintenance
. All required landscaping shall be maintained for the life of the project.
• Plants shall be maintained in a vigorous and healthy condition, free from diseases, pests
and weeds.
• All landscape areas shall be kept free of trash.
• Plants maintenance standards apply for the life of the project and to all future property
owners.
Tree Pruning
� Pruning of Significant and Legacy trees shall be done by a professional tree service only.
• All plant materials shall be pruned and trimmed as necessary to maintain a healthy
growing condition or to prevent primary limb failure.
• Pruning of trees shall be limited to thinning, windowing, or skirting, unless otherwise
restricted by critical area regulations.
o Thinning: Removal of foliage evenly through the tree crown maintaining tree form
and health. Not more than one quarter of the total leaf area is removed.
o Windowing: The practice of creating a "window" within the tree crown. The overall
crown remains intact. When windowing one side of a tree, it may be necessary to
prune the opposite side of the tree to maintain balance.
o Skirting: The practice of openirrg up views by removing the lower limbs of a tree.
As a rule, do not limb up more than one-third of the tree's visible height.
Section 6 — Pollution Source Control Measures
Pollution source control measures will be provided for individual lots during the building permit
phase of the project.
Section 7 — Annual Cost of Maintenance
Annual maintenance costs are estimated to be approximately$5,000 per year.
INNOVA Architects Inc. Phone (253) 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-10 of 30
Record Date:10/1/2021 3:16 PM King County, WA
APPENDIX A MAINTENACE REQUIREi1/IEfUTS FOR STORMWATER FACiLITIES P,ND ON-SITE BMPS
IVCD. 5�GATCFI BASItdS AND MAfVH�LES
MA6fUTENAPICE DEFECT OR CONDITI�Id WHEM F2ESULTS�XPECTED VUFlEPI
COIVIPS7NEN7 ' PRO�LEM N9AI[�TENANCE IS MAIPdTEN,4NCE I�
RIEE�E� PERFORMED
Structure Sediment Sediment exc�eds 6Q%of Surnp c�f catch basin contains no
accumulation the depth from the bmttom of sediment.
ihe catch basin ta the inverF
, of the iowest pipe into ar out
� of the catch basin or is
within 6 inches o#the i9ivert
of the lowest p6pe into or out
of the catch basin.
l�rash and debris Trash or debris of more than Na Trash or debris blcrcking or
Yz cubic faot which is loca4ed patentia0ly blocking entranre to
immediately in front af the catch basin.
catch basin opening or is
blocking capacity of the catch
I basin b more than 1{7%. �
Trash or debris in the catch Na trash or debris in the catch
basin that exceeds 'Is the �� basin.
depth frorn the bcattom of
basin tn invert the low�st pipe
dnto or out of the basin.
Dead animals or Na dead animals or vegetation
vegetation that could p9�e5Gll$Wi[IlICI Ga$Ch�7aS9f1.
I gesierate adors that
could caus�camplain4s i
or dangerous gases
e.q.. methane . _._.n.
Deposits of garbage No condition present which would
exceeding 1 cubic foot in attract or support the breeding of
vo0ume. insects ar rodents. _
Damage to frame Corner of frame extends Frame is even with curb.
and/ar top slab ' more than'/s inch past curb
face inta the street(If
a IirabBe .
Top slab has holes 4arger Top slab is free of holes and
than 2 square inches or cracks.
cracks widerthan Yainch. _
_.�._�.
, Freme nat sittireg flush on � Frame is sitting flush on top slab.
top slab, i.e.,separatian
of more than 3/R in�h of the
frarroe from the 4o slab. �
i Cracks in walls or Cracks wider than '/z inch � Catch basin is seafed and is
bottom �nd longer than 3 feet,any structurally sound.
�vidence of soil �articles
entering catch basin thraugh
aracks,or maintenance
persan judges that catch
basin is unsound.
� ._._. ��..r._ ._._�_
2�17 City of Renton Surface Water Design Manual ������� �������� � �ry��� ��
12/12/2016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-11 of 30
Record Date:10/1/2021 3:16 PM King County, WA
APPENDIX A MAINTENACE REQUIREMENTS FOR STORMWATER FACILITIES AND ON-m ITE BMPS
S .��._.
-..__._� ._�.----. .M� ..�.�.-- �-.__w ... _.��. _—.._.. _...��
�racks wider than Yz inch No crarks more than �/a inch
and longer than 1 foot at the wide at the joint of inlet/outlet
, joint of�ny inletloutiet pipe ' pipe.
' or any evidence of soi9
par�icles enkering catch
ba,sin throuc�h cracks. __ �.
Settlement/ Catch basin has settled Basin replaced or repaired
rrrisalignment more than 1 inch or has to design standards.
rotated more than 2 inches
out of ali rlm�nt. �
Damaged pipe joints Cracks avider than'/2-inch at No cracks more than'/-inch
the joint of the inleUoutlet wide at the jaint of inletloutlet
pipss or any euidence of soil pipes.
enterirsg the catch basin at
the joint of the inletfUutlet
.i�es. '
..�..�.�.. .�_
Contaminants and Any evidence of Materials removeci and disposed
pollution ' cont�minants or po(lu4ion of according ta applicabie
' such as ail, gasoline, regulations. Source cantrol BMPs
concrete slurries or paint. imp6�mented if appropriate. No
cantaminants present o4her than a
�
� surface oil film.
_ ,
InIeUOutlet Pipe Sediment Sediment filling 20%or more inlet/outiet pipes clear af sPdiment.
accumulation of the pipe.
,._. ..�, _..._m.
Trash and debris � Trash ar�d debris accurnulated No trash e�r debris in pipes,
' in inleUoutlet pipes(includas
floata6les and non-floatables).
2017 City of Renton Surface Water Design Manual � ���� � � � 12/12/2016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-12 of 30
Record Date:10/1/2021 3:16 PM King County, WA
�� REQUIREMENTS FOR STORMWATER FACILITIES AND ON-SITE BMPS
APPENDIX A MA9NTENACE ___� �� __, ,� ,� .,_
'�, [VO. 5-�Al"CH �/ASINS AIVD MANHOL.ES
MAINTEIJANCE DEFECT CONDI'TIOM1B WHE9V ' R�SULTS EXF�ECTEQ UVHEfV
GOMPONENT OR MAINTENANCE IS MAINTENANCE IS
PROBLEM NEEDED PERFOE2MED
Inletl(�utlet Damaged Cracks wider khan'h-inch Na cracks more than Ya-inch
Pipe (cont.) inleUautlet pipe at the joint of the wide at the joint of the inletloutlet
inieUoutiet pipes or any p'ipe.
evidence of soil en#ering at
4he joints of the inleUoutlet
i es.
Metal Grates Unsafe grate I Grate with opening widsr Grate opening meets design
' (Catch o enin ' than�/e inch. standards.
_ ._._ --
Basins) Trash and debris Trash and debris that Grate free of trash and debris.
is b(ocking more than footnote to guidelines for disposal
20%of rat�surface. �_�.
_
Damaged or �rate missing or broken Grate is in place and meets
� missing grate member(s)of the grate. design standards.
Any open structure
' requires urgent
maintenanc�.
Manhole Couer/Lid Cover(lid not in Coverllid is missing or Cover/lid protects opening to
place oniy partially in p(ace. structure.
Any open s4rvcture
requires urgent
enaintenance.
Locking Mechanism cannot be Mechanism opens with proper tools.
mechanism not opened by one
working maint�nance person
with praper toals. Boits
cannot b�seated. Seff-
loeking covsr/lid does
not work. .
��..�....__ _ �
Cover/!id One maintenarroce per�9n Cover/fid can be removed and
' diificuit to cannof rernove cov�r/6id reinstallsd by one maintenance
remove after applying 80 Ibs.of person.
lift.
��...��._._.. ...�_�.....�.,.� �....__.n m.. �.�...� �.... __�...
2017 City of Renton Surface Water Design Manual 12/12/Za15
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-13 of 30
Record Date:10/1/2021 3:16 PM King County, WA
APPENDIX A IVIAlNTEIVACE REQUiREfl11ENT5 FQR STORMWATER FAClLITIES AfVD ON-51TE �MP5
IVO. 6—�ONaEYARiCE P1PE�AIVD DITC1i�S
nnai�r��A�cE ��F�c�r a� I ��n�D��oo�s wo��� ���uL��ex��crE�vvHE�
ccannPON��r ��zo�Ler� nn�,t�T��,�n���is ; �AiN�E��NCE is
���a�� ' ��r��'�a�n��ca
. ����
Pipes Sediment� Accumulated sediment or V�later flovvs freely through pipes.
debris debris that exceeds 20°10 of
accumulation the diameter of the i e.
�tegetationlro �� VegekationOroots khat Water flows freely thraugh pipes.
ot grcawth in reduce free mov�ment
a�_ of water throu h i es.
_.___.__ __.
Gontaminants �� Any evidence of contaminants Materials rerrioved end disposed
; and poliution or po6lution such as oi1, of according to applicable
g�sofine,concrete slurries or regulations.Source control BMPs
paint. irnplem�nted if appropriate. No
cor+taminants present ather than a
surface oil fiim.
Damage to Protective caating is Pipe repaired or re�laeed,
pratective coating damaged;rust or corrosian
or carrosion is weakening the structural
in#eqri�of an�r�art of i e.
Damaged pipes Any dent that decreases the F'ipe repaired�r replaced.
cross section area of pipe by
more than 20%or is
determined to have weakened
.._..�.
structural inte ritd of the i e.
.
Ditches Trash and debris Trash and d�bris exceeds 1 Trash and debris d�ared frorn
cubic foot p�;r 1,000 square ditches.
' feet af ditch and sio es.
Sediment p,ccumulated sediment that Ditch cleaned/flu�hed of all
accumulati exceeds 20°/a of the design sedin7ent and debris sa that it
on de th. matches de�i n.
Noxious weeds Any noxious or nuisance Naxious and nuisance vegetation
vegetation which may removed according to applicabfe
constitute a hazard to Gity regulations. No danger of noxious
personnel or the public. vegetation where City personnel
or the public miqht normally be.
Contaminants Any evidence of contamrnants fvlaterials removed and disposed
and pollution or poliution such as oil, of accarding to applicable
gasoline,concrete slurries or regulations. Source control �MPs
pafrr4. irraplemented if appropriate. No
contaminants present other than a
surfacs oil fitm.
_.�..�...�.. - �..�,
Excessive , Vegetation that reduces free Water flows frsely through ditches.
vegetation growth ' movement c�f vvater thrnugh
ditches.
Erasion damage Any._..T .�_..�..
� erosion ubserved on a ditch Slopes are nat eroding.
ta sia es sla e.
. �
Rock lining out One Beyer or less of rack exists Repl�ce rocks to design standards.
of place or above native soil area 5 squar�
missing (If feet�r mor�, any expased
' a licable ' natave s�il.
_....��.�,�..m. �..��.� m�..... ,�.��::, ...�.:.� �._..�.�.�
2017 City of Renton Surface Water Qesign Manual 12/12/2016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-14 of 30
Record Date:10/1/2021 3:16 PM King County, WA
APPENDIX A MAINTENACE REQUIREMENTS FOR STORMWATER FACILITIES AND ON-SITE BMPS
No. 77 -cRouNas (�►n�Dsca�in�G)
MAINTENANCE DEFECT OR CONDITIONS WIiEN RESULTS EXPECTED
COMPONENT PROBLEM MAINTE{VANCE IS NEEDEC9 WHEN
MAINTENAPJCE IS
�.'' F'��Ftl��kVfED
Site ' Trash and debris Any trash and debris which exceed 1 Trash and debris cBeared
cubic foat per 1,d00 square feet(this from site.
is abaut equal to the amount of trash
it would take ta fill up ane star�dard
size office garbage can}. !n general,
there shauld be no visual evidence af
dum in .
Noxious weeds Any noxi�us or nuisance vegetatir�n �Noxious and nuisance
which may cons4itute a hazard to City uegetatian removed
, personnel or Phe public. according to applicable
regulations. Na danger of
noxious vegetation where
Gity personnel or the
ub8ic nieaht normallV be.
, ......_�. ._..�... ... —. ..__.
Contaminants Any evidence of contarninants or Materiais removed and
and pollution pollutian such as oil, gasoline, dispased of according to
concre4e siurries ar paint. epplicable regulations.
Saurce control BMPs
implementecl if appropriate,
' (�o conta�inants present
other than a surface oil
film.
�xcessive growth Grass or groundcaver exceeds 18 Grass ar yroundcaver
of inches in height, mowed to a height no
grass(groundcave greater than 6 inches.
r
� _.._._. w._... �...�.�
Trees and Shrubs Hazard tree Any tree or limb of a tree identified as No hazard trees in ffacility,
identified having a potential to fall and cause
property damage or threaten human
life.A hazard tree identified by a
quaiified arborist must be removed
as soon as_�ossible. _.�
..T ._,_..._..
Damaged tree Limbs or parts of trees or shrubs that Tr�es and shrubs with less
or shrub ' ar�split or broken which affect more th�n 5°l0 of tntai foliage
identified than 25°!0 of the tot�B foliage of the with split or broken limbs.
tree or shrub.
' Trees or shrubs that have been No blown down vegetation
blown down ar knoeked over. i or knocked over
vegetation.�rees or shrubs
fres of in'u
' Trees or shrubs which are not Tree or shrub in pface
adequately supported or are feaning and adequately
over,causing exposure�f the raats. supported;dead or
j dis�ased trees
remav d.
2017 Cit of Renton Surface Water Desi n Manual � � �� � � 12�12�2 �
.�...,.�..,�� Y g 016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-15 of 30
Record Date:10/1/2021 3:16 PM King County, WA
D OfV-SITE BMPS
APPENDIX A MAINTENACE REQUIREMENTS FQR STORNiWA�EFt FACILITIES AN�� ���
NO. 23—COALESCING PL.i4TE t31LlWAT�R SEPAFZATOR
nna,iN�rENANce � coNDrroaN wHEN �Ai�reNArvice ' R�suLTs exP�crea
CONiPONENT DEFECT IS NEEDED WHEN
MAIlVTENANCE IS
PERFORMED
Site Trash and debris Any trash or debri�^
�� s which Trash and debris remaved
impairs the function of the from facility.
facilit . ___� ._ _
Contaminants Floating oil in excess of 1 inch in RJo contaminants
and pollutinn ' first chamber, any oil in other present other than a
chambers or other contaminants surface oil fiVrn.
__._.._.m_ _...��._.
of an t pe in any chamber.
Vault Sediment Sediment accumulation of 6 No sediment in the forebay..
Treatmer�t Area accumulation in inches or greater in 4he forebay,
the forebay
Discharge water Inspertion of discharg�water shows Repair function of
not cl�ar obvious signs of poor water qualit}r plates sc�effluent is
—effluent discharge from vaul� cle�r.
shaws thick visible sheen.
_ _._ _
Trash or Trash and debris accumulation in Trash and debris removed
I debris vault(floatables and non- ' from vault.
aGcumulation floatables).
C�iB acrumulatian Oil accumulation that exc�eds 1 inch No visible aii
at the wa4er saarface in the in the d�pth on water
coalesc'rng plate chamber. and coalescing
lates clear of oil.
Coalescin Pfates Darrra ed Plate��_T --_ _._
g y �media broken, d�farmed, ; Replace Yhat par�ion of
cracked andlar showing sigras of inedia pack ar�ntir�plate
failure. pack deperrding on
sevarity of failure.
Sedirnenf Any sediment accumuBation No sedim�:nt
accumulatio which interferes wath the accumulation int€�rfering
n operatie,n of the coalescing i with the coaBescing
lates. iates.
Vault Structure Darnage to wall, Crar.ks wider than /=anch and any Vault replace
� � d or
frarne, battom, evidence of soil particles entering the repaired ta design
andlar top slab structure thraugh the cracks,�r specifications.
maintenance insp�ction personnel
determines that the vault is no4
' structurally sound. �
._. �.__�.
�affies darnaged �affles carroding, cracking,warping Repair or replace baffles to
and/or�howing signs of failure as specifications.
determined by
maintenancelinsaec#ian person.
Ventilation Pi es Pfu��� h� � �
p gged Any obstruction to the ventilation pipes. Ventilation �ipes are clear. '
ventilation pipes
__.___.� .�._ .�
Shutoff Va1ve Damaged or Shutoff vaive cannot be apened or Shutoff valve aperates
inoperable closed. normally.
shutaff valve
2017 City of Renton Surface Water Dessgn Manual ��� � � � 12�12J2 �
.�� 016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-16 of 30
Record Date:10/1/2021 3:16 PM King County, WA
�...e.�� __�.._____. _____._._. �..... r. ��TE BMPS
APPENDIX A MAINTENACE REQUIREMENTS FOR STORMWATER FACILITIES AND ON-SI� ��
Inlet/Outlet Pipe Sediment� �� � T ��
Sediment filling 20%�r rrrare of the lnlet/outlet pipes clear of
accumuiatio pipe. sedimerat.
n �__._._ �
Trash and debris Trash and debris accumulated in No trash or debris in pipes,
inie4loutlet pipes{includes
floatabl�s arrd non-floatables .
__m_.�. �
Damaged Cracks wider th�an '/�-inch at the joirrt Na cracks rnore than'/-
infe4Joutlet pipe of the inietloutlet pipes�r any ineh wide at the jaint of
evidence of svil entering at the joints the inlet/outlet pipe,
af fhe inleUoutlet i es.
Access 6Vianhole Cover/lid nat in place Cover/lid is missing or only � Manhole access covered.
partially in place. Any open
manhole requires immediate
maintenance.
Locking iVlechanism cannot be opened by Mechanism opens with
mechanisrn not ane maintenance person with prap�r tools.
working proper tools. Bolts cannot be
seated. SeIF-locking caverlfid does
npt vvark.
i n Manual _�.�.. ..wn._..._�..�..,� 12�_...�
017 City of Renton Surface Water Des�m� ���mmmm.
2�'�� .g 12/2016
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-17 of 30
Record Date:10/1/2021 3:16 PM King County, WA
�MM�_v_ ORMWATER FACILITIES AND ON-SITE BMPS
APPENDIX A MAINTENACE,REQUIREMENTS FOR ST �� � ��� ___�
NO. 23 -COALESCING PLATE OIL/WATER SEPARAT�R
MAINTENANCE CONDITION WHEN RESULTS EXPECTED
COMPONENT DEFECT MAINTENANCE IS NEEDED '� WHEN MAINTENANCE IS
F'ER�C7����7
Access Manhole Cover/lid difficult C�ne maintenance psrson Coverllid can be remaued
{cont.) to remove cannot remaue coverllid after and reinst�lled by one
applyina 80 Rbs of lift. � maintenance person�
Ladder rungs unsafe fvlissing rungs, I__adder me�ts d�sign
' misalignment; rust, or ' standards.,�Ilows
cracks. maintenance persan safe
2CCPSS.
L.arge access Damaged or Large access doors or plates Repl�ce or repair access
doors/plate difficult to open cannot b�opened/removecl door sc�it can opened as
usenq normal equipment. desi ned.
�.�
Gaps,doesn't Large access donrs not flat Daors close flat and caver
caver complstely and/ar access openir�g not access opening campletely.
co�let�( covered. __
Liftir�g rings Lif'ting rinys not ca�abte of Lifting rings sufficient to lift or
missing, rusted liftir� wei h[of doar or piate. remove door or plate.
2017 City of Renton Surface Water Desi n Ma ���'� ������ ��� �
g nual 12/12/2016
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-18 of 30
Record Date:10/1/2021 3:16 PM King County, WA
��t"�'��iTc�c'i-�
�p�e11C�iX A,:
Maintenance Check(ists
INIVOVA Archltects I�zc. Phone (253} 572-4903 950 Pacific Ave., Ste 450, Tacoma WA 98402
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-19 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-23 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Ir�spe�tian �nd aint�nan�e Guide
�ts�r�n�t�r
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-24 of 30
Record Date:10/1/2021 3:16 PM King County, WA
�ioRo�Y" �d�filt�r anrith 5��rmlVlix7" �i�filtr�tiran M�cli�
���r��tian
Th� Bic,I'�cf�" E3iofilter Syst.ern (�ic�Pc�d) is a stcarrr��.+�ter bic�fltr�t.son tr�atr�i�nt sys[�m u�e�i tca r�rriave
pc�llut�r�sts from stt�rmw�der r��anaff. Imp�r-viou� s>urfaces and othcr urksar� anr� sub�arb�n landsc:aE��s ��errc=rat�
� v�ri�ty ot c�antarnir�r�rets that can entcr storr7iw�ter �rie� Eaol�ute dowr�str�am rec;eiving waters Lrnle�s
treatrrrer�t i� pr�vider�. �he C3inPcar.i system u�es �sr�priet�ry Storm9�ix�" Viafi�lr�tion �riedia to c�pturF
ant! retain pcakt�atants ir�cludir�g ttatal suspend�d solids {rSS), met�ls, nutrients, gra�ss s�lids,tr�sl� ar�d de�bris as
welt�s p�trn��um hydrr�cerbs�r}s.
�t��°t�tl�fl
�he �3i,aPad syst�m uses er�c�ine�r��c3, higtr-flc�vt+ i�at� fi�t�r rr�edi� t�a rerrtave �tnrmwater pottutants, aflowin� �car
a srriatter for�tprir�t�han converrtic�s7at k�iuA�etenti�n syst�rr�s. 4;emtained withire a corr7pact pre�:ast can�r�te v�utt,
th� �iaP�d system consists af a kaiafi�ti-�ti�n cP�arr�her �r�d an c�ptional er7ter�rat�d high �law byE�a�:s with �
cc�ntoured inl�t r�c.k tU mir7irrgize scoue. The bie�fil.tr�tic�n chamber is fill�d wi�t� horizc�r-�t�l layers of �ggreg�te�
(which rr��y or may not include ar� und�rclreir�'}, biofittra�ion rn�di� arid rriutch. �tr�rmw:�ter }�a��s�s verticelly
dowP� thrrauc�h ihe iraialck-r arrd biatiltr�atia��, rr�eciia for tr��tment. The e7io.a�ch �arc�videra pretr��t:rroent by ret�ir7inc�
mas� rsf the salid� or sedimes�t. TI-s� t�icafi�tratic,rt meclia pro�aides feorther trc:�tment tay retainir�c� finer sediment
and �iss�tved potlutanCs. The �yc�r�gate atRaws the me�i� bed to cir�ir�� ev�nly for disci�arg� thr-r�uc�h arr
�cnderdrain pi�e r�r k�y ir7filtratian,
�����q�r�ti�r�
The F�ioPt�d syst�rr� cao�s be ��nfigaared with either an int�rn�l c�r exterrral by�rass. The intern�l by�rass alla�vs
both w�ter quality arrd kay�a�ss ftcsws tr_+ er7ter the treatment va�att. The water qua�ity f�+�ws arn dir�cted ta� th�
bics�iltr�tian chamber�+uhilc the exc�s� fl�va•s are diverted over the kayp�ss vueir withosat ent�ring i:he bioEittration
c�ramb�r. t3c�tk� �he treatrr�er}t and byg�ass fl.r7vvs are comt�ined in the auttet �r�ea �rior tn dis�:h�rg� frorn �t7e
st:ruct�are�. �io�od �nits wathouk an intern�l kayp�ss ar� designe� seach th�t oP7iy tre�trnent flo�nrrs erat�r the
tr�atm�rtT str�acture. 1Nheri the sy�st�m has c:xceec��d its treatment ca�,acity. pcs7�in� witL fe�r-ce byp�ss flov+ea to
�or�tir�u� dovvn ti7e yutt�r tc� th� near�st st�ndard catch hasira or c�ttr�r�extert7�l bypass structur�.
The E3icaF'od systern �arr k�e cor�figurer.i as a tree b�ax fitter e�rith tr�e and nrated i�rlet, as a �ilant�r bax filter
vvitl7 shru6a>,gr�sse�and an open tcap,or�s an undergt�c�und fil.ter witk�access risers,datsrs ar�d a sa�bsurf�ee�inl�t
pi�re. l�f�e ua�ation�l internal byp�.:�s ralay b� inccrrps�rated with any of th�se corrfi�ur�ticsns. ir� �ddition, ari a��n
bc�ttom ccarqfa�uratiare rrray bp used tc� �ramote infiltr�tiore ancl r�roundwa�er rech�rc��. TV7e confiyuratir7n and
sizc nf tf7e �3iaC�od syst�rr�is des's3n�d ta me�t th�:requirern�.n4:s of a spz cific prcaject.
Irt� ���ic�r� �°srmt���r������ i��r
St�te arrcJ 6.00at requlatians P'P..(�Cilt`C: all storr�tiw�tQr� mana�ement systenl� �n tae onspectecl nt7 a reyul3r b�sis
�nc� r�aic�tairaec� a� e7er,�ssary ko ensure per3orrn�r�rcc: �and F�rot�ct clov�rr�strearn receivinq wraters. VVit�aau@
maint�r��nc�, �xe�ssive paltutarat buitdup e,an kimit sysk�m p�rforrr�ae�c� by o�e�ucie�c� th� opersatir�c� c�p�ciCy o�
t17� syatert7 anc9 incr�a;iny the potenti�l for scouring ot p�!l.ut�nts dLaring}�eraods of high flc�w.
�orrac r�onfiguratians; uf trre E��a(�od rnaya rer�taire periodic irric�ation te� e�;ta�rtish �nd mairrt�in ve�etafi�n.
V�:yetation will typicelly t��cc�m� esiakali=;hed �bf�ut twa years �fk�r plantie�g. Irr�ic�atior� r-equiu-ements are
i.altimately dep�r7d�nt e�n cli�nate,rainf�lt anll th�ty�ae of vege�atior�sePected.
2
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-25 of 30
Record Date:10/1/2021 3:16 PM King County, WA
���r�t�r��t��� �r�q��r���
P�riadic insp�rtinn is Ps.sential.far consi�t�nt system p�rfarmance arrd is easily cornplet�d. Inspection is ty�aicatly
condu�t�d a minimaarn�P twa�e per year,but since poliaatar�t t�~anspart and d�p�asitiorr uaries#rarr7 site�o site,a slte-
speci�ic mairater��nce fr�quer��y shauld be eJtabtishecf during the first tuva or thr�e y�ars of op�r�ti�n.
Ir���Z���i�r� ���ip �nt
l��e fUtlowing�quipmer�t as hetpful wherro cand�cting BIoP�d inspec�6ons;
� Recordir�g device(per�and pap�r tcarn7,�cai�e recar�ier,i�'ad,�tc.}
» Suit�bL�clothrng f a�prc�prw�te f�otvv��r,glc�ves,hardhat,s�fety gt�s5�s„eC�.)
w �'r�affic caratral equipment(�or�es,berricad�s,�i�nag�,ftagging,ete.}
� Nlanhate hor�k or pry ber
^^ Ftashlight
w 1"ape rneasure
In�������� �r����iur��
�'s�C'c�d ir�specti�ns �r� uosuat �and ar� ct�nductetl �aithe�u� er�t�ring th� �anot. To cornplete ar� inspectaon, safe��r
measure�in���fd'orsg�r�fiac cantral shcauld be�i�plcay�d befnre the�ccess covers or tre�gr�tes are r��oved.t�nce
the covers h�v�bee�r rerr7ov�d,the fcstt�w�ing it�rns should be checked�r�tl recard�d�see fcarm pravid�d�r�p�g�Ee)
ta d�terrnio�e wh�tt7er r�aintenance is required:
• I�the�iaPod ur�i2 is equ'sp�aed vaith an internal b�pass,�ns�ae��the corrt�ured dn�et�ack snd c�ut�et chamb�r
an�B nc�te vrheeh�r there are any broken rar missiti�parts�[r�the untik�ty event that wntern�t p�rts ar�k�rc�ken
rar messir�g,contact Oldcastte�torman�ater at{�Q(�j 579-�6:LJ ta determine a�propri�te�orrective�cticsn.
° �Jot�whether th�curb inl�t,iral�t pipe,�r-efi ttt�Unwt is equipped u�ith�sn ont�rr�al by�pass-the inl.�t rack i�
blacked or ot�stru�t€:d.
° (f�h�une�i�equipp�d+�ith an intern�C bypa�.�,o�is��rve,quantsfy�rad r�cc�rd th���cumut,ation af trash and
d�br6s in t�i�inl��rack.The�iqnific;�rr��of a�c�rrruiated tr�sh and debr4s is�makter�af judgrner�t,tlfte�i,
n�uch af the tr�sh and d�bris�ay be rerraov�d manc,alty at th�tim�of ir�s��c�ian it a separ•�te mair�tnn�nce
visit i�nat y�t warrertt�d.
• If it has not r�iraed v�rithin the past L4 ha�rs„ri�at��hetla�r st�ar�di�ag w�ter ls ak���rv�d�r��h�bica€il�ratl�an
chamber.
• Finatty,tsbs�rv�,quantify and re�t�rd presence af in�rasiv�wPgetation and th�ar�ount�t tr��h arid debri�
and s�dirraer�t toad ir�the biofi4tr�tic�n ah�mber.Errasiar�crF the mulr,h and biafiltratiaan m�dia bed sMo�td�lsa
be r��orded,��dirrsent lcrad rrray be r�t�d litryh�, medium or h���dep�ndirtg c�n the conditians.Lpading
char�c,~t�ristics may be d�t�rcrain�d as frerlleews:
o Lic�ht s�dirnent t��c�--s�dirn�nt is di�ficu�t kn distinguisi�a arnc�nc�th�rn�strh fib�rs at the t�p of the mu(.ch
Lay�r�;the m�a�eh��:r�ear��lrncrst new.
o '�'k«��°�bum����r�'x�n��a����9-��t�t�arner7t a���^dJrr7ut���'P���is�pp����r•i��and m�y be cran�entr�te�d in�orr�e�reas;
,��'����aing t�����r�i���eh I.���*r u����s��ls l�gh���r�u*dirr���r���:l�a�����r���r�h�tap 1"of rr7utch.
o Fi�avy�edirnent�caad-sedirraent fs readily�sppar�n�across the�rrtire tap oF th�rreulch tayer;andividaa�t
rnulch fibers are d9ffic�olt ta d%stiraguash;prabing th�rnut�h lay�r rev�als h��vy sedrm�rat Load urider the
�ap 1°'of mulch.
Clften,rnuch of the inva�iv�v�g�tation�nd tra�l7 artd debris may be rernnved rrianuatty at tt1��ime tif Ans���tia�if a
se�aarat�m�snt�nance visit is not y�t�vv�rr�n4ed.
;�
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-26 of 30
Record Date:10/1/2021 3:16 PM King County, WA
�a�����r��� Ir�di��t���
�a�nt�n�nce shc�uld k�e,ch�rluled of any af'th�fo�l��ing�anditir�ns are itlen�ified during or��pec,�cion:
m The rnncr�t�strc�cture is d�r��aged csr th�tree�rate car�c��ss ccaver is d�rnac��d or m�ssing.
• Th�r,urb inRet nr inle�rack is c�Pastru�ted,
• �tanding w�ter is observed in thc:kaio�il#rati�n chamber ra�are�han 2/+hc�urs aft�r a rainfatl evenP(use
tli�cr�ti�n if tFie�ic�F'ad is locat�d dowr�str�a�i�f a starac�e sy�tersl th�t att�r�uates ftcaw}.
• �1'r�sh and d�bri�iri th�'snl�t rack c�r�nok h�e��ity rernc�w�d�t tf�e t6rne o#ansne�tic�r�.
� l"r�sh�ntl debris,dnvasiv�veg�tatior�or sed'asnent load in tE�e haicafiltratlon chamb�r is heauy or exc�ssiv�
�rosion has�cctarred.
�01'i��f1�C1�� ��111(� �t'�t
Tt��follaanrirsg equiprner�t is�r�l��fa�l whe:rw conduuting D0�5 maint�r�anc�:
� �uitabt�ctc�thln9{a�aPropriat�frootwear,glov�s,hardhat,s�f�ty glasses.�tc.)
^ Traffic contrta�e�;uip�o�nt(cor��s,b�rri�acles,:�igr7age,ftagging,�tc.)
• M1�ar�hc�le hocak or pry bar
^ Flashl�ght
• Tape m�asure
@ t2ake,ho�,shov�t�nd br�cam
• �t.�ck�t
� F'rtarae�-s
• Vacuum truck(optiona[)
���t���n�� �r����i�r��
NBain��n�ara�e shr�uld be cUratluct�d dLmriryg dry vv�ather w�her�no ftov�rs are�rrt�rinc�the system.ALl mainte�ar�ce may
be condua�ed urithnut entering the�ia�csd structurs�.Onc�saf�ky measa�res such as tr�ifia cs�ntrc�t are deplc�y�d,the
a�cess ccavers rnay b�remov�d arod tti�fc�lloti�v4reg�rtivities may b�uartduct�d tca compte�e m�irat�nance:
° hemade alt tr��h�nd detarPs frorr�the curb inlet�r7d inl�t r�ck mane��lLy nr by using a vac�aurn tr�ack as
r�quia ed.
• Rerrar��u�alt trash and debris and invasdwt��+eg�ta8ion€rorai ttt�bA�iiltratiUn charnb�a-m�nually or iay using a
vactaurr�ts-uck as required.
� 4f�he ser3irr�ent l�ad is s'rtedwum Ur light�au�erosic�n off the k�iofittratiC�n media bed is eviti�nt,redistrwhut�th�
rr9utch w6ttr�rak�ar r�plr7ce massing rnulch as a�rprnproat�.ff�rQsicrn p�r:ist�,rescks m�y t�e��accd in thc
�r�detl arc:a t�hetp tlossopate en�rgy and pr�ver�t rect�rririg erasic�rr.
m IF th�seddm�nt toac�is heavy,remr�ve tFie mtalcFr tay�r�sing a hoe,rake,sh�ved�n�i ba.'c.ket,or by using a
v�cu�arn�ruCk as r�yuir�d.If the sedirr7�r�t laad is gaarticsat�rly he�vy,inspe�t th��tarface of th�bio$iltratiart
media anc�the ra-iutch has be�n r�rroc�v�d.If the media appears clagged wlth s�dimenr,remove and reptac�
ane or kwo inch�s of biofiltr��'snn m�dia prior tcs r�plaCir�c�the rr�ut�h l��a�r.
p Prue�e ve�,�tatiora�s apprt�g�riate and reptac�d�rnag�d or�9�ad pl�nts as r�quir�d.
° 6��pl�ce th�tr��grake�r�d/ar acc�ss covers�r�d s�na�ep t��area�rourid the�doF'�ci to teav�thre sit�c�ear-�.
� ARl material r�mau�c�frorn the�io�c�d durwny m�intenanc,e s�aaa�t b�dispas�d of ara�c�ord�nc�with lae�l
�nvir�onm�ntal regulatians.I��rnr�st cases,the ral�teriat rrsay b�h�ndl�d in th�same r-olarrner as dosposal of
rt��terial removecl frrern surnp�d catc;t�basins or�anhales.
_ _ �
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-27 of 30
Record Date:10/1/2021 3:16 PM King County, WA
Nat�araC,sh�rcr.l�i�eJ 6�ardenaac,d mutch shG�ald f�e us�c]ir�the EiiaC'od Timely repl�ca�rv7r�r�t ofithc rn�slch tayer�cc�rdirrg
to the ma�r7t�r7anr,e�nd'sc�at.ors descrikaed�bove sl�c�ui.d prcatect th�biofii.t.ratian rn�>riia bel�w th�rndatch tr.aycr from
�;I.�agqin�due to sedimerst�ccurnuts�tiorr. Hc�w4v�r,vdh�n�ver�the mudch is r��l�ce�;6,fihe�*[3is7F�c7d shc�u�Gi h��vi�iYerJ
:�4 haurs after th.:r��xt rvi�jor sturrn evc:rrt to s�nsure that thcre is nc��t�nrlira�we�t�„r in the hic�fs�tr:�tion chamt�er.
Standi�lc� water ir�dirr•atws th�t tlie bet.�fo(.tratir�r7 �ri�r�ia k�elcaw th¢� rrtul,ch taye=r is �°4.ac�e�.e�i �nd rr��os4 d?e r�:pl.�c��.
F'teasc.c:cantact C)ldcastl�Storm,nrafer at{8C1C7;579-E��31�to paurchas�-�So��a��reet�ary.��torrr�C�lix bsc�$ittratit�rr mec�iz.
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-28 of 30
Record Date:10/1/2021 3:16 PM King County, WA
m� �w� �w��s��� .. � �.,. ������ �„ ���� qed� �
�� �� ��� ��� � �
� � � �
�� �� � ������ ��� '� ' m '�u �� � ��
���� a , � � ��� � ���� �
��� I ����� � f
'
�� ��
��
� � � �� ���� �� ��� �� ��
y�'m��° .� �..��, ��� .�...�,e.w.�� w. , „w , �a... �a ,...�..�
i � �
� �i��ad A�ad�� ----- Rn§p�ctio�r D�te__._
�.����i�r���..�..�.._. .
_ �
�� _..._._._w..._w...�.a� �....�.... .,...��,..� _ __:�.. _�__....�e.....m � �._ ��---....� �._.�_..�. _ ._... .��.u.�..�Kw .nrv_.. —.... e�.m_.�
, C�nciiticera af tr�ternad�amparrents Notes: '�,
;
', ❑ �aod ❑ Damaged ❑ Missing
�
r_��rrb intet or drel�t Rcrck.� .,.�.�.�m_ �e.., __ _� ..,..� n.,�� .� _,�....�
_._� _.._.._
(cr�keti I�ates;
i
' ❑ Yes ❑ No i
�-_-------....__»____�_ P.�.��„�..m�
__.. _._��.._e �a��� - --.._� .�,.r___ ------ .. r.,.,._�.. �._.�
�, Standin�l�crter in�is�filtratPon Chamber Notes: '
�
� ❑ Yes ❑ Na
—____._.. _ �__ _. �.___._..—._---- _..�__._w..�.�, .e�m�._. .�. ._.._...�
� �'rash and�ebris in Brsflet�c�ck hlates: ,
i
�..� I
, ❑ Y�s �__:' No
I _..._..u_� �..0 ... �.��.a...__ ------ --.._..__u _e.w�,� �._T_..-----.._.IT.. ��__....____---•- �.��_�__-- _._...__.�_.. T�
� Trastr arad tIe�arrs itt�itzfiftrtation�Paarra�er Nates: '
I
II�', ❑Yes ❑ No �
' .�..___...�.._.,,_.r..� _�_��..�... _ .���..m,�. �_._�__.�_�.__,_ ...�......�,.�,�—�
'� lnvasive 1/��etat►�n in�iafitt�ation Ctlaamber Nates: ;
❑ Y�s � No i
i
' �
_.._. �..�.� ._,..,_�_.,.�.� _�..�.�.�_� ...�._� ��.�.��.�...�^ �
'I S�dir��r�t in Bbofaltratian�harn��r Notes: ._���
ii
� Light (_���.� Medium ❑ Heavy �
_...—_... ----. v�r,�.. . _ -----
�._......�, .._ . _.�._. _ _. __--------� _..m...�
��, Erosian ir►�io fittratiora�liczmd��r Notes: '
, �
i r
❑ Yes �� No �
i
—_..._ ..._._.�,.a��..�—_—,�... ...Wa.a .�.mT---._.._�.�,__��....�.---�
���._��_��.ry..�.._�...__ __�.��W...m..M� ��, _
{ htrsint�a��rac���quir�rra�rrts
I, [�Y�s-Sch��ude iNain#�n�n�e ❑N�-Sched�at�6�e-In�p�ction
;
ti--..._.— ---._.__._.w.. �.,, r r__.__.._ �_..�.....�...� . __.._._.._ ___...___.. __ _,.____.__.__..�.� ..,�ms
6
Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-29 of 30
Record Date:10/1/2021 3:16 PM King County, WA
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Instrument Number: 20211001001587 Document:COV Rec: $232.50 Page-30 of 30
Record Date:10/1/2021 3:16 PM King County, WA
EXHIBIT C
PARCEL 242304-9008
LEGAL DESCRIPTION
LOT "B-L" OF THE SID ELAND/JEFFERSON SMURFIT LOT LINE ADJUSTMENT
NO. LUA-98-148-LLA OF THE CITY OF RENTON, AS RECORDED UNDER
RECORDING NUMBER 9812309028. RECORDS OF KING COUNTY AUDITOR;
EXCEPT THAT PORTION, IF ANY, CONVEYED TO THE CITY OF RENTON FOR
OAKESDALE BY DEED RECORDED UNDER RECORDING NUMBER 8706091481
SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON.
(