HomeMy WebLinkAboutRC 20220422000973 (2) Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-1 of 16
Record Date:4/22/2022 3:40 PM
Electronically Recorded King County, WA
6��t.urr�l�c�dr�ss:
��ty C����S`�C�f�ic�
City ca�R�nton
1.U�5 5�r�a��+Uld�y
V�e��tc�r�,i�l��f�C&.�'a7
�
� �t � �F����'A � � �II��`� � �� � C8 �N �.�E F��IL�TlE� ��fJ
_.5�1'� F'�
�r�r�ta�: �V�;nti��c i��n
���u�t��a� GtY c�i�1��ntar�, a Vi6�shd��or� rr7�rroci �1 ecar��swatiarg�_,__e......_. ..._a
L��;a6 �7�s�ripticsw�� � ��� F�C1F �J 5�i7.2�J �=l'(J��W 'f/� C7F tN 1/? C1� �\dV 1l� C7� hl�:p1/4 �����_____.
��... ..��,.._w_w___..��.. �
1C18�6"9-9 ��m'� �� I..�.�i �/6t/6 C^�;�a�"� _.._____ ____._...._�__.._.._�___.__�._..._.___.__.
��s��sc�r°s T�x W�ar�c��l 6�>�: ���3��°�`�°�1� ..._._.��� _..______..__.____..____.
9iV CC.��ESIi��(���`IC)€V oft�����s�csv�t�C:q�y�$F�e�otc�r� q'checkvnera�che�'vdPowing)
��esoc�er��s�l ��ai�c�ir��P�r�it ��:earr�ev��reaal �raifdirt�P�rs�r��
[�Cl��r�n�and�s��c#ir��Perrr�it �Civil C;canstructic�n car Lltili�y ��rre��t
�arPr�rr�lt(s}_����(}1�34� ..._vW._..�,_...,�_.fccrras�ructr�n,�'���o'�c�ing/utipicy�ern�irn)re6�ta����sthcr��l�rcap�rty
('°P�r�p�rty`"� d�r>c�gb�c1 abr�ve, ���� �r��tta��syp �he cswr��r(s) i�� f�� czF �ha� I�rca�a�rty, �o�r�by
�cav�r���at� �cav�r����t��nri�f�the��t;y raf Rerrota:an �"C:it�c�f R�rrtc�r�" �r "City„� � rv��anici��l corpe�r�tac�r�
ca�th��st�t���Wash�r��tcz��,t�a�t l��/sh�(�h€�y}vuilG r�bs�rv�, ecar�se�t ta,�nc}�bi��k.�y the�:ortdi�iar�s
and c�bli����ra�s s�t �crr�th �r�d d�s�rikae� in Par��ra�hs 2. �hr��gh � b�lc�� wi�h r��;ard teo �h�
�r�c��aerty, arrc� her�by�r�c�tts (�Q°�nt� �r� ea�em�r�t �� desc��bed dn 6'�r��r��.�a�rs �: �nd �. Car�s��t�rr(s}
�rer�by�E������(�r�rtt�,c�,v�ru�r��s (cc�v�nars�}, �r��l��re��� ���ree� �s fa9Oc�ws:
3�. �1���r��tcrr(s��rr�t6s/�s��(�I��irp succ�ss�r�sx d�r��t�r�st�nd�ss€�r�s(°,C1v�r��r�"°j shall at�h��r ca�nr��
cc�s�A c���r�t�, �aarr�t�ir�,ar�d k���a ��r�c�cad r���ir,th� �'rap�rty"s dra��sa���acilit`s�s canstrt.�c�ec#
as r�q�air�d in th��y��re�w�d �ar�st�r�ct�e�n pf�r�s a�d sp��'sfic�ts�ns 39�� �,._.______.._._.f�'�v.i��r
�taa,�) c�r7 fiV� wcRk� �&�� Coty caf �,er�tara ;��ad s��br�it��d �c� th� C%ty of R�r�tc�n fc�r the revie� arroc�
��S{��a�rak�af�e�rv�'rt(s} lJ�6Q0��34� ._.____.. (��+��cructi��,j��,pac�;ne�fut�tRtyp�rmita�).�"h�
���a��rty'� c#E��awr���e f�ceisties �r� �hervucr �rtd/c�r ki���cf c�ra ��h6bit�—���� P��s�. �"Fr� �roperty's
c�rak���;� fa��9�ties sh�k€ b� m�Grr��[ned 'an c�s�spli�srsccx snra�h th� ca�reratwc�rr �r�d artadr�te�r�n�e
schedtal�� ir�c��ac��d a�d att�c�a�d h����o7 as ��I�wk�p� �—C���r�tdsas�� �r�d f���r�t�rt�r�c�. b�-afr���e
f�cil's�d�s includ� �ipa�s, �f�arrrre�s, ��rrw ca�rn��cal fac¢6i�6��, w�ter qu�lity fac66sties, csra-sw�� k��s�
r��ra�g�cr��^rrt K���ctrc�s (E�&�Ps} �nr� ��th�r �ragoraeered sts���tur�s d�si�;c�ed �a rz��r���� anc�/ar
Pa��1 af�3
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-2 of 16
Record Date:4/22/2022 3:40 PM King County, WA
���at str���n�vat�r� can th� Prc���rty. (�nmsit� �E�Ps if�cEuc�e disp��sic�n and ir��il�ratic�ru �evic��,
b�sar�st���ic�rr, pe��r�e��le �a��rn�r�ts, r�fr��nr�ker har�resti�p� sysl:��r�, �r�� r�tei�kian cr�d'ot„
red�a��d irr��s�rwe�us surface�czc�tprM�ty v���t�t�d rearf���ad a�h�r�n��sur�s desi�n�d trr r�i�nic
�5��:-d�v�lca�s�� hyd�calc��;y�nd rn��rsrnsze �tcarrrowa��r ra�ncsft a�t tk�c F��c��xe°rty.
2w �ity c�� F�ei��csr� shakP haa�� th� ro�h� ��a ir���°�ss ��d e�r�ss c�vc�r t�Oc�s� perirti�r�� af the F�rc�p�rt�
ir��c�s��i�y tc� �s�rfarrn ae�sp�cti��s r�f th� sCorrrtavat�r f�cil`rCi�s and 8PV�9�s dr�ci c;�ar�ciuct
�aar��€��^�an�� �ctiviti�s specofi�ci nrxi t�ais ��clar�tir�� caF Cave�r��er� �r�e� iro accca�dance v�ita7 �h�
f�r�ritr�n IV1un�cip�C Cc�c��. Ci�y c�f E��r�taan s�-aall �arcrv6r�� at I�a��thi�ty (:�C�) d�ys`writt�r� r�cr�:ic+� to
�f7�C��n�rs�Y»t��t�ry e��r the Prc�per���+is ��9��rora�c�fcar th�irrspe�tser�af dr�is�a��f��ilita�s.Atil�r
tF����a�rty�(�CG� d�ys,tPo�G��rsers shaf� �l4o�v�H�e��ty ea�����tc��tc� �nt�r fcar kP7e sc�l� �aur�r�s� c�f
IYl"."r��,'C�fY1�.� C�V"c�^1�Ic����e�CiB6�k��. ��! �6�1Y U�!R"RS�Y�G'C�463I1 �7°�/��q� �„h��/���'6��}WG4E.'I"S C�c��k��C?��'�C4��6��I�yT�' �
� IMe�ros�d c:iub���u�i��t�r r��ist�r�c� @�tN��st�te a�F VVas�ri�u�t�sn whr� h�s c�x�a���rs� �n c�rrain��e�cro
insp�ct �he dr�a�a�;� ��a�B�ti�s �snd p¢�ave�� � vuri�t�rr r�pcart c#escribin� the�r ce�nditkurs. �f tk�e
�°��fn����c�ptic�rr as�hease�u�,�h¢�C7an�r��rs sh�l! �r�av�r��writt�r� ncrt�ce tr��hoc C;ity cr�R�ntc�n witrain
�ifte�� �1 a�r��ys cafi r�c�rvArt�;���CiYy`s rrr�ti��ca�e�s�sectiar�.1dVithir�t��kw�ty(30�c��ys of�;ivi��tff�is
ryc�trc�,th�CBonrr��rs,�ar�ngir����c�n k��half caf th��vv�ers,�hall p�cavade�h��c�gau�P��r°s repc�rt tcr
t9���ity�af R��n�c�r�. Mf�h� r��scart is r�cat�rc��rie��cP 'sr��ta���ly rna�n�r as sp��ifi�d abau�,th�City
af��nt�r� rr�ay Gnspect th�d��i�����f��a9a���s wri�hcaut feurther u�atir:e.
:�. 6f C�ity c�� Rc^�Cc�rr c��t���r�rines ��°c�a� i�s ir�spaec�aarr, e�r ��ca�r �n �*r�a�in�€�r"s re�acart ��rcavid�d e�t
�c��rcf��r��rr�`s�P� B��r��r�ph 2k��r�� rr�air���r�arrc�, r�p�er, r�s��r��aor�, �rBd/csr rr�itagaticrr�varock ns
rm:.quwred ta �a� r��ane�ca �ny�rf�17� drd�irt�t��facilEties, �lky c�f f�er�t�r�r shap@ ncat€fy t�a� t7uvraers c��'
�h� s�a��ifi� ��kr�t�r�ra�sc�, r�p�ir, rest€�ra��or�, �rt�/c�r r�ni�ig�tfar� wr�srl< �„4hJark"� requir�d
q�urs�a��t tr, �hc Rerrtsan C`��n��;ipal Cc�r.9e. �'h� �wty shall �hsca se�t a r�ascrr�abGe c#��c#li�re f�r��h�
�tane�t�r°s�c� �earr��le��t�� �t/ea�k, �rr t� p�e�e���R� �n �r��ir�eer`s ��por� tl��t ��rif�es �.carrapl�tiort �af
[h� �OUr��tlC. ��t€���6�a� r���d8�r�� P�as pa�ss�d„ t��� �wn�rs shaal6 allca�nr�h� Caty ac��ss tc� r�-ins�ee�
�h� dr�sr���� f�cEli�ces uc�8�s� ar� �n�ir�e�r's re�art h�s kr���r �rrca,ridec� �rerifying c�ar�apletion c�f
�h� �N�arEc. IF�kae �/V�rrk is ncat cc�rr�pl��t�d �eritt�irr thc te��€� frarn� s�t �ay ��e Ca�y, ��c. City rrsa}a
init�a�� ��a en�c�rr���nt actie�n �r7d/or p€-rf�arrr� th� VVsark ��td her�by is �iv�r� acc�ss tc� tFse
Pra�a�r�t:y �c�r st�ch �ur�ets��. �f�iti�ra �crtic� w�96 be �e�ot tc�s th� Ovu��rs st�tir�g the C�ty's
in���a�dar�tca�rE�rfc�rs�r^�uch W4�sark.���s 4dv/rark wil!nca�cca�r¢��r�c:e�antil aC le�st��v�r�(7�days<�5���
suc�a rteatac� is �aNl�d. �f, vvi���sr� the sc��e d�scr�ti�ro caf th� �ity, tha�re �xistis �r� ir��ar��nt ra�-
p�e��r�t c��r��c��, �h� s�ve�r (7) d�y ncat�c� �a�ricrd �+vill ka� w°�Av�c� �nc� U�Jc�rk �e16 be�in
irrr�er�p�t�xfy.
�. T��� t��cr�rs sh�a88 �sso�rrae a&f r�espc�k�sibility�sar�h� cost af a�s�r�r44c�rk, car any rrr��sur�s tak�r� by
�h� �l�y� ���a �ddr�ss ce�ndsticsns �� cPc�s�:rikr�d srs �"4�ra�ra�l� �3. S�ch� res�seansikail�ty �h�BI ��r;[r..xd� �
rz��rr��urs�s��o���ca t��¢e C:ity�i��irr thfrty(3C?}d�ys af�h� �ec�ipt c�fi the ir��c��c�fe�r�arry�u��1sVcark
���fc�rrr��r�. C7v�rdu� payr����s �nrill r�cguwr� p�yrrx�rat csf ir�ter�st �t t��� r�aximur� I��aP r�t�
�Il�w�d @�y f�C''a�l 1�.52.C12C7(�u�r�ni:l�fi�r�Mv� �erc�r�t (12%,>}1. kf 1he C:i��/�r�itd��es P��al�ct�c���tca
�nfcari.c thGs ��r���rs�n�, the ��e��i�Gn� �a�r�y in ���ch ����cars is er�tatf�� �ca r��c��er r�ascrnaY�l�
�iti�atio� cc�st� and att�rr��y`s f�e�.
5. �h� CJw�t�rs�r� rc�q�r����s��c�eabt�ir�Enrg°itt�r��ppraval frczr�s Ci�y r��8���rtc�s� �ar6cwr�c�fiiiVir��;, �ai�r8rt�,
c��ttar��, c�r r��nc�v�rr�v���t�tic�r� (�xccpt i� ra�at6��� f�r�dsc�ap� rr�aBr�t�r��c�c�� ir� �rp�r7 ����t���d
s�carrrrw���r fac;ilit'ses �saae�a a� s�al�s, a,h�rrr�e4s, ditc��s, paanc�s, ��c.j„ ar per�o�r�in� ar�y
�kt�ratica��s aar�nad°sFic;��`se�r7s ta th�=c�r�in���fi�cili�i��i�c�Fe�r�r�c�c�i�a�his F�ecl�r���czn cafi C�sver��r�t.
P����caf�.._
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-3 of 16
Record Date:4/22/2022 3:40 PM King County, WA
�. Ari�a r�r�tic� rr�cans�rat r�equir�d ta �,�cy�6vero car c��h�rwis� �r�avac�ec� fe�r �iy t6�a� prc�visia�ns €af this
a�����rn�i�r�sha�&b��ffectior��Epcar�persccn�l d�fiv�ifY>cr�th���(3�¢��ys�f��r�°naiRaro�by Cer��fi�d
1�1Waily r��s��•ra re��s�t a°�a��a�st�c�.
7. UVB�E� ���arc��t���t���tk��s�ddr���ec� tl�e��irr,t���s a�r��r��nt cc�r�statu���t����r�tire��re�r��r��
b�tw�er� th� p�rte�s, �rud s�ap�rw�c��s �II pr�ucar ciisc�essicrrt�, n��c�tEat�car7s, �nd akl a�r����:rtts
�nrhat��a�v�r�nr9��tka�r�z�a��r uvrit��rr.
�. �his Ct���ar�t�e�rt c�� Cov�r��r�t as mr���r�c��d �ea prcat�ct the valu� and cS�sir��aility ar�d prar�ate
���ic6�E~kt �rud e���ctave rr���a��rr�er�t cr� a�trFac� w��er c�rainage caf tf�� r��E prcaperty descruka��8
�k�c��re, �nc� sh�l� intar�t�s th€� ��r�efi�caf�fC the e:Et�z�'-�s c�t the�ity c�f ���tcar� �r�d it�so��cc�s�ar�
�r�c� �.ssi�ns. 1'�is @��cl�r�tiarr c�� �cav�r��rat sh�l6 raa� wi�h �he I�r�d �rtd ka� bindo�t� u�saa�r
t�rartt�r��s�, �¢�d Ca���r��car°s(s"}so�cc��ssr�r�s in �w�C�rest, �u�d a�°�rgns.
J. T'��es L�ecl�r��iar� csf C�°v�r���t rnay b� termV��ted kay �x�c�atia�rr r��� vurm���i� ��re�i�t�nt �y tr�s�
C}vvrier�s�rac��h�Cit�r�Frat i� s°pccard�€� by Kes���aunt�r ira its r�a� �arc�per�y r�ecard,s.
�pV V'V!4"�'l��SS W�f�REG�F, thts C�ecq�ra�Qa�r7 c�f �c��r��r��r7t �rrr 4:1��� I�rs��cta�ar� ��sd �Jl�o�ut�nar�e�� cat
�8raira��;� ��c6R��ies is�.�s���at�a�t&�is�.�I�_.._.��y cyf_�11A�_�E-9__________.__...__._.��22
�, �
�'___� ___.. .�`��°�`�_._.. �✓' ____..w._..�._.�.._ _—______._.�_________.___—__—________- ________—_
C�R�fV°�(�Fta aa�rrr��-c�f�P�e cs�Ze�t� C�f�AkU`�'C�f�, c��nr�er c�f th� �rop����y
S�A��t�F"�/�SI��IVC�T�71� )
CC9l1�T'�'QC� KNP�� �s.s.
C�n�his d�y p�rs�n�96y�p�a��r�d b��csr�u�a�:
� �•. �
,
_��__�'��%°��.�.����_____ �...m� ���,�`y...�...... __._.__._...� ta rrr� krec�wr� t�€a b� t&�� is�div�dual(�s�
�e�crik�eci a�r �rrci wh��a ex���atec� th� �rChd�o ��ac� iar��;c�ar�� instraa�va�nC �nr� �ck�cawraleck��d tC��t they
si�;raed�h�s;�rras�as tk�eir frre�;«a�d v�alu�rtary�c���d c��ec9,far�ha��ss�s�nd purpcases th�w-eirr stat�d.
� �
r�fv�r� a,�rtd�r°rvzy B�and ar�c6 caf�'�ci���E'?�I thi����d��c���._. r�,����'�"- -----> 2�7 �_��"" ',
� � �
...
�` ,.,��°"1 ..��� .�?� _... ��� �....._
� _�_ .:;��_.___
� ,� ,� � h.
��, � ; % { �
�..! � � �a;��� �� ��" c��^�.,w.�
.�.e �....�� _���.:�_._______.
Kf�E.V�k" u C;�-66��°4 �.�E: S�d�t�
�rf���a ����,�
�a�s��ry���Bt�d�e kVcatary N�ubCft: €r�and f�r�he�S�t���a�
st,��.���r w�as�-�i�,s�rc,���� �hf�sE�icb��c�rt, r�sie�crt� at �
�r�rrsuvvt`�»s6e�s� � ��P4��s�
Ahy Cc;¢m��. F��air�s Nua^ �, 7d��.2 � �!�� P�'g,F ti�_,'f�
.�.�„�.,..__---�____......� ...�.�_....�....w._..�._____
�Vly�ppr�€��rr��nt�xpir�s �� � 1 � � ^"��������"��
I�a�e:3����
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-4 of 16
Record Date:4/22/2022 3:40 PM King County, WA
� � ���
� �
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-5 of 16
Record Date:4/22/2022 3:40 PM King County, WA
1 08TH AVEI�IUE SE
STORM DR.411�IAGE
PIPE (TYP)
STORM DRAII`IAGE
STRUCTURE (TYP)
STORM DRAINAGE
DETEI�IT101�I A1�ID
WATER QUALITY
PERMEABLE� VAULT
ASPHALT
�
BUILDII�IG
� �
PERMEABLE
ASPHALT
N
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-6 of 16
Record Date:4/22/2022 3:40 PM King County, WA
�
� � � � � �
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-7 of 16
Record Date:4/22/2022 3:40 PM King County, WA
� � �
r1�0, 4--�DETENT1t3►PJ�PONp�r�� �����Mdl�,,�4 . ,��` ,. ,�
� „ " . �
�t ; ,., .._�, ,�. � �, �;,_t�a[�t�r�ar��e 43e�ui�er�en�sf�r�arr�u+r�ter�F�c�itJ�s�an��n;�tt���1��,�
MAINTENANCE DEFECT OP. CONDITIONS WHEN P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM MAINTENANCE IS NEEDED MAINTENANCE IS PERFORMEQ
Site Trash ard debris Ariy tra�Y ard debris wYiich exceed 1 cubic Tresh arid de6ris cleared froni site.
foot per 1,000 square fee#(#his is about
equal to the amount of trash it would take
to fill up one st�nd2rd size office g�rb2ge
can).In general,there should be no visual
evidence of dumping.
Noxious weeds Any noxious or nuisance vegetation which Noxious and nuisance vegetation removed
may constitute a hazard to City personnel according to applicable regulations.No
or the public. danger of noxious vegetation where City
personnel or the public might normally be.
Colltufiilfiuiits ufid Any evidence of coiitarrindnts or pollutior Materiuls reriioved aiid dispwed of
pollution such as oil,gasoline,concrete slurries or according to applicable regulations.Source
paint. control BMPs implemented if appropriate.
No contaiiiinants present other than a
surface oil film.
Exce�sive growth of Grass or groui�dcover exceed5 18 ir�ches Grass or groui�dcover rtiowed to a height
grass/groundcover in height. no greater than 8 inches.
Top or Side Slopes Rodent holes Any evidence aF rodent holes if facility is Rodents removed or destroyed and dam or
of Dam,Berm or acting as a dam or berm,or any evidence berm repaired.
Embankment of water piping through dam or berm via
rodent holes.
Tree growth Tree growth threatens integrity of slopes, Trees do not hinder facility pertormance or
does not allow maintenance access,or maintenance activities.
interferes with maintenance activity.If
trees are not a threat or not interfering with
access or maintenance,they do not need
to be removed.
Erosion Eroded damage over 2 inches deep where Slopes stabilized using appropriate erosion
cause of damage is still present or where control measures.If erosion is occurring on
there is potential for continued erosion. compacted slope,a licensed civil engineer
Any erosion observed on a compacted should be consulted to resolve source of
slope. erosion.
Settlement Any part of a dam,berm or embankment Top or side slope restored to design
that has settled 4 inches lower than the dimensions.If settlement is significant,a
design elevation. licensed civil engineer should be consulted
to determine the cause of the settlement.
Storage Area Sediment Accumulated sediment that excseds 10% Sediment cleaned out to designed pond
accumulation of the designed pond depth. shape and depth;pond reseeded if
necessary to control erosion.
Liner damaged Liner is visible or pond does not hold water Liner repaired or replaced.
(If applicable) as designed.
InIeUOutlet Pipe Sediment Sediment filling 20%or more of the pipe. InleUoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in No trash or debris in pipes.
inleUoutlet pipes(includes floatables and
non-floatables).
Damaged inlet/outlet Cracks wider than'/-inch at the joint of the No cracks more than'/-inch wide at the
pipe inleVoutlet pipes or any evidence of soil joint of the inlet/outlet pipe.
entering at the joints of the inleUoutlet
pipes.
Emergency Trse growth Tree growth impedes flow or threatens Trees removed.
Overflow/Spillway stability of spillway.
Rock missing Only one layer of rock epsts above native Spillway restored to design standards.
soil in area five square feet or larger or any
exposure of native soil on the spillway.
2017 City of Renton Surface Water Design Manual 12/12/2016
A-3
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-8 of 16
Record Date:4/22/2022 3:40 PM King County, WA
;� � ,: ��� � � �. �
N4,�-�fN�ILTFtA'�IpN�,�CILITIES� � �1����1
�,�., � : „r � ;. �
��.� :_..��_. ,,�, . ,. , :< .. , -,,: „ ,� �,� N��itt#sn�t���,Ft�c��re�n�nts fQ�,�lRrmuyal�r,F,aailitiea;an¢�C)n-�tte��5'
MAINTENANCE DEFECT OP. CONDITIONS WHEN P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM MAINTENANCE IS NEEDED MAINTENANCE IS PERFORMED
Site Trash arid debris Ariy tra�fi arid debris wriich exceed 1 cubic Tra�h ard debris cleared frorn site.
foot per 1,000 square fse#(#his is about
equal to the amount of trash it would take
to fill up one st�nd2rd size office g�rb�ge
can).In genersl,there should be no visual
evidence of dumping.
Noxious weeds Any noxious or nuisance vegetation which Noxious and nuisance vegetation removed
may constitute a hazard to�ity personnel according to applicable regulations.No
or the public. danger of no�aous vegetation where City
personnel or the public might normally be.
Cofitu�iilfiuiits uiid Arry evideiice of conturrinants or pollutiori Muterials rernoved u�id disposed of
pollution such as oil,gasoline,concrete slurries or according to applic�.ble regulations.
paint. Source control BMPs implemented if
appropriate.No�ontarinants present
other than a surface oil film.
Excessive growth of Grass or grour�dcover exceeds 18 iiiches Grass or groui�dcover niowed to a height
grass/groundcover in height. no greater than 6 inches.
Infiltretion Pond,Top Rodent holes Any evidence aF rodent holes if facility is Rodents removed or destroyed and dam
or Side Slopes of acting as a dam or berm,or any evidence or berm repaired.
Dam,Berm or of water piping through dam or berm via
Embankment rodent holes.
Tree growth Tree growth threatens integrity of dams, Trees do not hinder facility pertormance or
berms or slopes,does not allow maintenance activities.
maintenance access,or interferes with
maintenance activity.If trees are not a
threat to dam,berm,or embankment
integrity or not interfering with access or
maintenance,they do not need to be
removed.
Erosion Eroded damage over 2 inches deep where Slopes stabilized using appropriate
cause of damage is still present or where erosion control measures.If erosion is
there is potential for continued erosion. occurring on compacted slope,a licensed
Any erosion observed on a compacted civil engineer should be consulted to
slape. resolve source af erosion.
Settlement Any part of a dam,berm or embankment Top or side slope restored to design
that has settled 4 inches lower than the dimensions.If settlement is significant,a
design elevation. licensed civil engineer should be consulted
to determine the cause of the settlement.
Infiltration Pond, Sediment If two inches or more sediment is present Facility infiltrates as designed.
Tank,VauR,Trench, accumulation or a percolation test indicates facility is
or Small Basin working at or less than 90%of design.
Storage Area
Liner damaged Liner is visible or pond does not hold water Liner repaired or replaced.
(If applicable) as designed.
Infiltration Tank Plugged air vent Any blockage of the vent. Tank or vault freely vents.
Structure
Tank bent out of Any part of tank/pipe is bent out of shape Tank repaired or replaced to design.
shape more than 10%of its design shape.
Gaps between A gap wider than'/z-inch at the joint of any No water or soil entering tank through
sections,damaged tank sections or any evidence of soil joints or walls.
joints or cracks or particles entering the tank at a joint or
tears in wall through a wall.
Infiltration Vault Damage to wall, Cracks wider than'/zinch,any evidence of Vault is sealed and structurally sound.
Structure frame,bottom,and/or soil entering the structure through cracks
top slab or qualified inspection personnel
determines that the vault is not structurally
sound.
12/12/2016 2017 City of Renton Surface Water Design Manual
A-4
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-9 of 16
Record Date:4/22/2022 3:40 PM King County, WA
� , �� .R�,��r��ti���►;
NU 2 th1�IL,TRATICJN�A�ILITIE� �► � , � ,
� � ��
,n . .,� . .„ ,.�.., �.:,, �„ , ,,; , ,,,, , ,, ,,, M�r�� r�an.�e..e��ir,�m����f�a�..�ta�rnw�te�Facili�i�s,�nd Qn-�it��f�!It���,
MAINTENANCE DEFECT OP. CONDITIONS WHEN P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM MAINTENANCE IS NEEDED MAINTENANCE IS PERFORMED
IiileUOutlet Pipes Sediiiierit Sediirierit fillirg 20�ia or niore of the pipe. IiileUautlet pipes clear of sedirrert.
accumula#ion
Trash and debris Trash and debris accumulated in No trash or debris in pipes.
inleUoutlet pipes(includes floatables and
non-floatables).
Damaged inlet/outlet Cracks wider than'/rinch at the joint of the No cracks more than'/-inch wide at the
pipe inleUoutlet pipes or any evidence of soil joint of the inlet/outlet pipe.
entering at the joints of the inleVoutlet
pipeG.
Access M2nhole Cover/lid not in place Cover/lid is missing or only p�rti?Ily in M2nhols 2ccess covered.
place.Ai�y ope��rai�Yole require=
immediate maintenance.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools.
not working mainten2nce person with proper tools.
�olts cannot be seated.Self-locking
cover/lid does not work.
Cover/lid diffir.uR to One maintenance person cannot remove Cover/lid can he removed and reinstalled
remove cover/lid after applying 80 Ibs of lift. by one maintenance person.
Ladder rungs unsafe Missing rungs,misalignment,rust,or Ladder meets design standards.Allows
cracks. maintenance person safe access.
Large access Damaged or difficult Large access doors or plates cannot be Replace or repair access door so it can
doors/plate to open opened/removed using normal equipment. opened as designed.
Gaps,doesnR cover Large access doors not Flat and/or access Doors close flat;covers access opening
completely opening not completely covered. completely.
Lifting rings missing, Lifting rings not capable of lifting weight of Lifting rings sufficient to lift or remove
rusted door or plate. door or plate.
Infiltration Pond, Plugged filter bag(if Filter bag more than'/z full. Replace filter bag or redesign system.
Tank,Vault,Trench, applicable)
or Small Basin Filter
Bags
Infiltration Pond, Sediment 6"or more of sediment has accumulated. Pre-settling occurs as designed
Tank,VauR,Trench, accumulation
or Small Basin Pre-
settling Ponds and
Vaults
Infiltration Pond, Plugged rock filter High water level on upstream side of filter Rock filter replaced evaluate need for filter
Rock Filter remains for extended period of time or little and remove if not necessary.
or no water flows through filter during
heavy rain storms.
Infiltration Pond Rock missing Only one layer of rock epsts above native Spillway restored to design standards.
Emergency soil in area five square feet or larger,or
Overtlow Spillway any exposure of native soil at the top of
out flow path of spillway.Rip-rap on inside
slopes need not be replaced.
Tree growth Tree growth impedes flow or threatens Trees removed.
stability of spillway.
2017 City of Renton Surface Water Design Manual 12/12/2016
A-5
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-10 of 16
Record Date:4/22/2022 3:40 PM King County, WA
NQ 3 DETEIMTIUN�TANKS ANC1�VAULT� ���e��R quirer��rits for St4rm�r�e'r;�a��l4ties'ianct c�n=.s��te R��",�'�
MAINTENANCE DEFECT OP. CONDITIONS WHEN P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM MAINTENANCE IS NEEDED MAINTENANCE IS PERFORMEQ
Site Trash ard debris Ariy tra�Y ard debris wYiich exceed 1 cubic Tresh arid de6ris cleared froni site.
foot per 1,000 square fee#(#his is about
equal to the amount of trash it would take
to fill up one st�nd2rd size office g�rb2ge
can).In general,there should be no visual
evidence of dumping.
Noxious weeds Any noxious or nuisance vegetation which Noxious and nuisance vegetation removed
may constitute a hazard to City personnel according to applicable regulations.No
or the public. danger of noxious vegetation where City
personnel or the public might normally be.
Colltufiilfiuiits ufid Any evidence of coiitarrindnts or pollutior Materiuls reriioved aiid dispwed of
pollution such as oil,gasoline,concrete slurries or according to applicable regulations.Source
paint. control BMPs implemented if appropriate.
No contaiiiinants present other than a
surface oil film.
Exce�sive growth of Grass or groui�dcover exceed5 18 ir�ches Grass or groui�dcover ir�owed to a height
grass/groundcover in height. no greater than 8 inches.
Tank or Vault Trash and debris Any trash and debris accumulated in vault No trash or debris in vault.
Storage Area or tank(includes floatables and non-
floatables).
Sediment Accumulated sediment depth exceeds All sediment removed from storage area.
accumulation 10%of the diameter of the storage area for
'/length of storage vauR or any point
depth exceeds 15%of diameter.F�cample:
72-inch storage tank would require
cleaning when sediment reaches depth of
7 inches for more than'/length of tank.
Tank Structure Plugged air vent Any blockage of the vent. Tank or vault freely vents.
Tank bent out of Any part of tank/pipe is bent out of shape Tank repaired or replaced to design.
shape more than 10°/a of its design shape.
Gaps between A gap wider than'/:-inch at the joint of any No water or soil entering tank through
sections,damaged tank sections or any evidence of soil joints or walls.
joints or cracks or particles entering the tank at a joint or
tears in wall through a wall.
Vault Structure Damage to wall, Cracks wider than'/-inch,any evidence of Vault is sealed and structurally sound.
irame,bottom,and/or soil entering the structure through cracks
top slab or qualified inspection personnel
determines that the vautt is not structurally
sound.
InIeUOutlet Pipes Sediment Sediment filling 20%or more of the pipe. InleUoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in No trash or debris in pipes.
inleUoutlet pipes(includes floatables and
non-floatables).
Damaged inlef/outlet Cracks wider than'/-inch at the joint of the No cracks more than'/<-inch wide at the
pipes inlet/outlet pipes or any evidence of soil joint of the inleUoutlet pipe.
entering at the joints of the inlet/outlet
pipes.
Access Manhole Cover/lid not in place Covedlid is missing or only partially in Manhole access covered.
place.Any open manhole requires
immediate maintenance.
12/12/2016 2017 City of Renton Surface Water Design Manual
A-6
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-11 of 16
Record Date:4/22/2022 3:40 PM King County, WA
�U 3 pETENTIC)IV TANKS�RIVC��a4W�,T5► A���'�dr�C/� ':
Mai�ten,a,nce F�equlr�msr�#s fo��tarr�w�ater F�c�lit�es�„�r�d,C?�-S�te�11AF'S`
MAINTENANCE DEFECT OP. CONDITIONS WHEN P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM MAINTENANCE IS NEEDED MAINTENANCE IS PERFORMEQ
Access Mari�iole Lockirig mechaiiisni Mechariisni�iiriot be opered by orie MecYiarism operis with proper tools.
(cont.) not workinq maintenance person with proper#ools.
Eolts cannot be seated.SeIF-locking
covedlid does not work.
Cover/lid difficult to One maintenance person cannot remove Cover/lid can be removed and reinstalled
reiriove cover/lid after applying 80 Ibs of lift. by one maintenance person.
Ladder rungs unsafe Missing rungs,misalignment,rust,or Ladder meets design standards.Allows
cracks. maintenance person safe access.
Large access C�amaged or difficult Large access doors or plates cannot be Replace or repair access door so it can
doors/plate to open opened/removed using norm�l equipmerrt. opened 2s designed.
Gaps,doesn't cover Large access doors not flat and/or access Doors close flat;covers access opening
completely opening not completely covered. completely.
Liftiiig riiigs rrissing, Lifting riiigs not capable of liftirig weight of Liftirg rirgs�ufficiert to lift or rerrove door
rusted door or plate. or plate.
2017 City of Renton Surface Water Design Manual 12/12/2016
A-7
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-12 of 16
Record Date:4/22/2022 3:40 PM King County, WA
,
� �„ � ,
r'+IQ 4�CQNTRC7►L STRU�TURE/FL4V1f R��TRI�CT{?I� �P��'rl�[fJ�,,,A;�la�nte"`n`anee,F��c�u�Kem�nts far ',»;:,: :
�" , f �" ;,, . .. , �.. „,..„ . , ,�,,: .., � ,�t4�'rnw�a#er�asU7#isa at�d�Otk-�ate�MPS
MAINTENANCE DEFECT OP. CONDITION WHEN MAINTENANCE P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM IS NEEDEQ MAINTENANCE IS PERFORMEQ
Structure Trash ard debris Trash or debris of rrore thar'/cubic foot No Trash or debris bla:ki�ig or poteiitially
which is located immediately in front of the blocking entrance to structure.
structure opening or is blocking capacity of
the structure by more th�n 10%.
Trash or debris in the structure that No trash or debris in the structure.
exceeds'/a the depth from the bottom of
basin to invert the lowest pipe irrto or out of
the basin.
Deposits of garbage exceeding 1 cubic No condi?ion present which wo�ld attrac?or
foot in volume. support the breeding of insects or rodents.
Sediment Sediment exceeds 60%of the depth f�om Sump of structure contains no sediment.
accumulation the bottom of the structure to the invert of
the lowest pipe into or out of the structure
or the bottom of the FROP-T sec:tion or is
within 6 inches of the invert of the lowest
pipe iiito or out of the structure or the
bottom of the FROP-T section.
Damage to frame Corner of freme extends more than'/inch Frame is even with curb.
and/or top slab past curb face into the street(If
applicable).
Top slab has holes larger than 2 square Top slab is free of holes and cracks.
inches or cracks wider than'/4 inch.
Frame not sitting flush on top slab,i.e., Frame is sitting flush on top slab.
separation of more than'/<inch of the
frame from the top slab.
Cracks in walls or Cracks wider than'/inch and longer than Structure is sealed and structurally sound.
bottom 3 feet,any evidence of soil particles
entering structure through cracks,or
maintenance person judges that structure
is unsound.
Cracks wider than'/inch and longer than No cracks more than'/a inch wide at the
1 foot at the joint of any inleUoutlet pipe or joint of inlet/outlet pipe.
any evidence of soil particles entering
structure through cracks.
SettlemenU Structure has settled more than 1 inch or Basin replaced or repaired to design
misalignment has rotated more than 2 inches out of standards.
alignment.
Damaged pipe joints Cracks wider than'/z-inch at the joint of the No cracks more than Y<-inch wide at the
inlet/outlet pipes or any evidence of soil joint of inlet/outlet pipes.
entering the structure at the joint of the
inleUoutlet pipes.
Contaminants and Any evidence of contaminants or pollution Materials removed and disposed of
pollution such as oil,gasoline,concrete slurries or according to applicaGle regulations.Source
paint. control BMPs implemented if appropriate.
No contaminants present other than a
surface oil film.
Ladder rungs missing Ladder is unsafe due to missing rungs, Ladder meets design standards and allows
or unsafe misalignment,rust,cracks,or sharp edges. maintenance person safe access.
FROP-T Section Damaged FROP-T T section is not securely attached to T section securely attached to wall and
structure wall and outlet pipe structure outlet pipe.
should support at least 1,000 Ibs of up or
down pressure.
Structure is not in upright position(allow up Structure in correct position.
to 10%from plumb).
12/12/2016 2017 City of Renton Surface Water Design Manual
A-8
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-13 of 16
Record Date:4/22/2022 3:40 PM King County, WA
�� „�
, ,, ,,
NO 4 �C�IVTft�7L STRUCTI�IR�LQIN�LE�iTRIC7t�� ����wat�r�a�i�izie��a�d ti�S�e��i�+�errt
s
� , ,,<-,ar
� �, .,� , ,�.. „ „ ��. „r �.S
;,,,„
MAINTENANCE DEFECT OP. CONDITION WHEN MAINTENANCE P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM IS NEEDEQ MAINTENANCE IS PERFORMEQ
FROP-T Sectioii Darraged FROP-T Coririectioris to outlet pipe are riot Coiiriectio�i�to outlet pipe are wnter tigf it;
(cont.) (con#.) water#igh#or show signs of de#eriorated structure repaired or replaced and works
grout. as designed.
Any holes--other than designed holes—in Structure has no holes other than designed
the structure. holes.
Cleanout Gate Damaged or missing Cleanout gate is missing. Replace cleanout gate.
cleanout gate
Cleanout gate is not wate�tight. Gate is watertight and worlcs as designed.
Gate cannot be moved up and down by Gate moves up and down easily and is
one maintenance person. wvtertight.
Chain/rod leading to gate is missing or Chain is in place and works as designed.
damaged.
Orifice Plate Damaged or missing Control device is not working properly due Plate is in place and works as designed.
orifice plate to missing,out of place,or bent orifice
plate.
Obstructions to orifice Any trash,debris,sediment,or vegetation Plate is free of all obstructions and works
plate blocking the plate. as designed.
Overflow Pipe Obstruc.-tions to Any trash or debris blocking(or having the Pipe is free of all obstructions and worlcs
overflow pipe potential of blocking)the overflow pipe. as designed.
Deformed or Lip of overflow pipe is bent or deformed. Overflow pipe does not allow overflow at
damaged lip of an elevation lower than design
overflow pipe
InIeVOutlet Pipe Sediment Sediment filling 20%or more of the pipe. InleVoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in No trash or debris in pipes.
inleUoutlet pipes(includes floatables and
non-floatables).
Damaged inletloutlet Cracks wider than'/-inch at the joint of the No cracks more than'/<-inch wide at the
pipe inlet/outlet pipes or any evidence of soil joint of the inleUoutlet pipe.
entering at the joints of the inleUoutlet
pipes.
Metal Grates Unsafe grate opening Grate with opening wider than�/a inch. Grate opening meets design standards.
(If applicable)
Trash and debris Trash and debris that is blocking more Grate free of trash and debris.footnote to
than 20°/a of grate surface. guidelines for disposal
Damaged or missing Grate missing or broken member(s)of the Grate is in place and meets design
grate grate. standards.
Manhole Cover/Lid Cover/lid not in place Cover/lid is missing or only partially in Cover/lid protects opening to structure.
place.Any open structure requires
urgent maintenance.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools.
not working maintenance person with proper tools.
Bolts cannot be seated.Self-locking
covedlid does not work.
Cover/lid difficult to One maintenance person cannot remove Cover/lid can be removed and reinstalled
remove covedlid after applying 80 Ibs.of lift. by one maintenance person.
2017 City of Renton Surface Water Design Manual 12/12/2016
A-9
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-14 of 16
Record Date:4/22/2022 3:40 PM King County, WA
MtJ 5-��AT�CM BASMIS,4NC�MANFi�77LES ������'A �`, > ;
� . �,n,, . . .,o , �.:, . �., .,, �- �. ,�.;_ ,-- (v1��nt�ra�raoe,R�G�iir�m�t�f�r,��ar�uua�r��Iktie��an��n-�ite�E3�1�?�;�
MAINTENANCE DEFECT OP. CONDITION WHEN MAINTENANCE P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM IS NEEDEQ MAINTENANCE IS PERFORMEQ
Structure Sediniert Sediirieiit exceeds 60io of the depth frorr Suirip of c:atcfi basi�i coritaii��r�o sedirre�it.
accumula#ion #he bo�om of#he ca#ch basin#o the inver#
of the lowest pipe into or out of the catch
b2sin or is within 6 inches of the invert of
the lowest pipe into or out of the cstch
basin.
Trash and debris Trash or debris of more than'/cubic foot No Trash or debris blocking or potentially
which is located immediately in front of the blocking entrance to catch basin.
catch basin opening or is blocking capacity
of the catch basin by more than 10%.
Tfnsh of debfls i�tYe cet�h basiii that No trsY or debris iii the cutcr basiri.
exceeds�/3 the depth from the bottom of
basin to invert the lowest pipe irrto or out of
tfie basin.
Dead animals or vegetation that could No dead animals or vegetation present
gererate odors that could cause witi�iri csteh basiri.
complaints or dangerous gases(e.g.,
methane).
Deposits of garbage exceeding 1 cubic No condition present which would attract or
foot in volume. support the breeding of insects or rodents.
Damage to frame Corner of frame extends more than'/<inch Frame is even with curb.
and/or top slab past curb face into the street(If
applicable).
Top slab has holes larger than 2 square Top slab is free of holes and cracks.
inches or cracks wider than'/<inch.
Frame not sitting flush on top slab,i.e., Frame is sitting flush on top slab.
separation of more than'/a inch of the
frame from the top slab.
Cracks in walls or Cracks wider than'/inch and longer than Catch basin is sealed and is structurally
bottom 3 feet,any evidence of soil particles sound.
entering catch basin through cracks,or
maintenance person judges that catch
basin is unsound.
Cracks wider than'/inch and longer than No cracks more than'/a inch wide at the
1 foot at the joint of any inleUoutlet pipe or joint of inlet/outlet pipe.
any evidence of soil particles entering
catch basin through cracks.
SettlemenV Catch basin has settled more than 1 inch Basin replaced or repaired to design
misalignment or has rotated more than 2 inches out of standards.
alignment.
Damaged pipe joints Cracks wider than'/-inch at the joint of the No cracks more than'/<-inch wide at the
inleUoutlet pipes or any evidence of soil joint of inlet/outlet pipes.
entering the catch basin at the joint of the
inlet/outlet pipes.
Contaminants and Any evidence of contaminants or pollution Materials removed and disposed of
pollution such as oil,gasoline,concrete slurries or according to applicable regulations.Source
paint. control BMPs implemented if appropriate.
No contaminants present other than a
surface oil film.
InIeVOutlet Pipe Sediment Sediment filling 20%or more of the pipe. InleUoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in No trash or debris in pipes.
inleUoutlet pipes(includes floatables and
non-floatables).
12/12/2016 2017 City of Renton Surface Water Design Manual
A-10
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-15 of 16
Record Date:4/22/2022 3:40 PM King County, WA
NQ 5 CAT�H��BASIM�'r##�FD IVII�PIMt3LE�� ����-��a��R qu�reme�its f�x sxarrr��%a��r�Fa�il�ti�'�anrJ�ri-s�t�,I�I�IPS:��
MAINTENANCE DEFECT OP. CONDITION WHEN MAINTENANCE P.ESULTS EXPECTED WHEN
COMPONENT PR06LEM IS NEEDEQ MAINTENANCE IS PERFORMEQ
IiileUOutlet Pipe Darraged irilet/outlet Cracks wider thari'/-iricYi at the joirit of the No crecks�iiore tYari'/<-irich wide at the
(cont.) pipe inlet/outlet pipes or any evidence of soil joint of the inlet/outlet pipe.
entering at the joints of the inlet/outlet
pipes.
Metal Grates Unsafe grate opening Grate with opening wider than'/s inch. Grate opening meets design standards.
(Catch Basins)
Trash and debris Trash and debris that is blocking more Grate free of trash and debris.footnote to
than 20%of grate surface. guidelines for disposal
Darraged or rrissi��g Grate rrissirg or brokeii iiieriiber(s)of tiie Grate is ir place and r��eets desigr
grate grate.Any open structure requires standards.
urgent maintenance.
Manhole Cover/Lid Cover/lid not in place Covedlid is missing or only partially in Cover/lid protects opening to structure.
place.Any open structure requlres
uryrnt�i��inten�n�e.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools.
not working maintenance person with proper tools.
Bolts cannot be seated.SeIF-locking
cover/lid does not work.
Cover/lid difficult to One maintenance person cannot remove Cover/lid can be removed and reinstalled
remove cover/lid after applying 80 Ibs.of lift. by one maintenance person.
2017 City of Renton Surface Water Design Manual 12/12/2016
A-11
Instrument Number: 20220422000973 Document:COV Rec: $218.50 Page-16 of 16
Record Date:4/22/2022 3:40 PM King County, WA
INQ 30—P��MEABL�PA��M�N�'�MP, A{ap�el��iX`A
M��r�fi�:nar���Reqw+rement�for�-tc�rrnvaater�aciditie�a�ad L)r��5ite BM��'u I
MAINTENANCE DEFECT OR CONQITIONS WHEN RESULTS EXPECTEQ WHEN
COMPONENT PP.OBLEM MAINTENANCE IS NEEDED MAINTENANCE IS PEP.FOP.MED
Preventive Surface cleaning/ Media surface vacuumed or pressure No dirt,sediment,or debris clogging
vegetatior control washed ariiuully,vegetatior coiitrolled to porous rredia,or vegetatioii lirriiting
design ma�timum.Weed growth infiltration.
suggesting sediment accumulation.
Porous Concrete, Trash and debris Trash and debris on the pavement No trash or debris interfering with
Porous Asprialtic iriterfering witY i��filtratiori;leaf drop in fall i��filtratio��.
Concrete,and season.
Permeable Pavers
Sediment Sediment accumulation on the pavement Paverreiit irfiltrates as desigred;adjaaerit
accumulation interfering with infiltration;runoff from areas stabilized.
adjacent areas depositing sediment/debris
on pavement.
hi�ufficiei7t infilt�atioii Paverriert does not iiifiltrate at a rate of 10 Pavercieiit irfiltrates at a rate greater thaii
rate inches per hour. 10 inches per hour.
Excessive ponding Standing water for a long period of time on Standing water infiltrates at the desired
the surface of the pavement. rate.
Brokeri or cracked Paverrent is brokeii or cracked. No brokeri paverrserit or cracks ori the
pavement surtace of the pavement.
Settlement Uneven pavement surface indicating Pavement surface is unifoRnly level.
settlement of the subsurface layer.
Moss growth Moss growing on pavement interfering with No moss interferes with infiltration.
infiltration.
Inflow restricted Inflow to the pavement is diverted, Inflow to pavement is unobstructed and not
restricted,or depositing sediment and bringing sediment or debris to the
debris on the pavement. pavement.
Underdrain not freely Underdrain is not flowing when pavement Underdrain flows freely when water is
flowing has been infiltrating water. present.
OverFlow not OverFlow not controlling excess water to Overflow permits excess water to leave the
controlling excess desired location;native soil is exposed or site at the desired location;Overflow is
water other signs of erasion damage are present. stabilized and appropriately armored.
Permeable Pavers Broken or missing Broken or missing paving blocks on No missing or broken paving blocks
pavers surface of pavement. interfering with infiltration.
Uneven surtace Uneven surtace due to settlement or scour Pavement surtace is uniformly level.
of fill in the interstices of the paving blocks.
Compaction Poor infiltration due to soil compaction No soil compaction in the interstices of the
between paving blocks. paver blocks limiting infiltration.
Poor vegetation Grass in the interstices of the paving Healthy grass is growing in the interstices
growth(if applicable) blocks is dead. of the paver blocks.
2f?17 City a�12c�at��n Surfa�;e Watr�a �>esign Manu�i0 1211�J2f)l�i
�l-4l