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Home My WebLink AboutRC 20200323000810 Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-1 of 10 Record Date:3/23/2020 11:48 AM Electronically Recorded King County,WA Return Address: City Clerk's Office City of Renton 1055 S Grady Way Renton,WA 98057 DECLARATION OF COVENANT FOR INSPECTION AND MAINTENANCE OF DRAINAGE FACILITIES AND ON-SITE BMPS Grantor: Sapphire Homes, Inc Grantee: Citv of Renton, a Washin�ton municipal corporation Legal Description: Lot 32, Puget Colony Homes less C & M RTS Assessor's Tax Parcel ID#: 692800-0320 IN CONSIDERATION of the approved City of Renton (check one of thefollowing) ✓❑ Residential Building Permit �Commercial Building Permit ❑Clearing and Grading Permit ❑Civil Construction or Utility Permit for Permit(s)B19005187 (construct�on/au��d�nq/ut��tyPerm�t#)relating to the real property ("Property") described above, the Grantor(s), the owner(s) in fee of that Property, hereby covenants (covenant)with the City of Renton ("City of Renton" or"City'), a municipal corporation of the state of Washington,that he/she(they)will observe, consent to,and abide by the conditions and obligations set forth and described in Paragraphs 1 through 9 below with regard to the Property, and hereby grants (grant) an easement as described in Paragraphs 2 and 3. Grantor(s) hereby grants (grant), covenants (covenant), and agrees (agree) as follows: 1. The Grantor(s)or his/her(their)successors in interest and assigns("Owners")shall at their own cost, operate, maintain, and keep in good repair, the Property's drainage facilities constructed as required in the approved construction plans and specifications (Project P�an#) on file with the City of Renton and submitted to the City of Renton for the review and approval of permit(5) B19005187 _(Construction/euilding/UtilityPermit#).The Property's drainage facilities are shown and/or listed on Exhibit A—Site Plan. The Property's drainage facilities shall be maintained in compliance with the operation and maintenance schedule included and attached herein as Exhibit B—Operations and Maintenance. Drainage facilities include pipes, channels, flow control facilities, water quality facilities, on-site best management practices (BMPs) and other engineered structures designed to manage and/or Page 1 of 10 Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-2 of 10 Record Date:3/23/2020 11:48 AM King County,WA treat stormwater on the Property. On-site BMPs include dispersion and infiltration devices, bioretention, permeable pavements, rainwater harvesting systems, tree retention credit, reduced impervious surface footprint, vegetated roofs and other measures designed to mimic pre-developed hydrology and minimize stormwater runoff on the Property. 2. City of Renton shall have the right to ingress and egress over those portions of the Property necessary to perform inspections of the stormwater facilities and BMPs and conduct maintenance activities specified in this Declaration of Covenant and in accordance with the Renton Municipal Code. City of Renton shall provide at least thirty (30) days' written notice to the Owners that entry on the Property is planned for the inspection of drainage facilities. After the thirty(30) days, the Owners shall allow the City of Renton to enter for the sole purpose of inspecting drainage facilities. In lieu of inspection by the City, the Owners may elect to engage a licensed civil engineer registered in the state of Washington who has expertise in drainage to inspect the drainage facilities and provide a written report describing their condition. If the engineer option is chosen,the Owners shall provide written notice to the City of Renton within fifteen (15)days of receiving the City's notice of inspection.Within thirty(30)days of giving this notice,the Owners, or engineer on behalf of the Owners, shall provide the engineer's report to the City of Renton. If the report is not provided in a timely manner as specified above, the City of Renton may inspect the drainage facilities without further notice. 3. If City of Renton determines from its inspection, or from an engineer's report provided in accordance with Paragraph 2, that maintenance, repair, restoration, and/or mitigation work is required to be done to any of the drainage facilities, City of Renton shall notify the Owners of the specific maintenance, repair, restoration, and/or mitigation work ("Work") required pursuant to the Renton Municipal Code. The City shall also set a reasonable deadline for the Owners to complete the Work, or to provide an engineer's report that verifies completion of the Work. After the deadline has passed, the Owners shall allow the City access to re-inspect the drainage facilities unless an engineer's report has been provided verifying completion of the Work. If the Work is not completed within the time frame set by the City, the City may initiate an enforcement action and/or perform the Work and hereby is given access to the Property for such purposes. Written notice will be sent to the Owners stating the City's intention to perform such Work.This Work will not commence until at least seven(7)days after such notice is mailed. If, within the sole discretion of the City, there exists an imminent or present danger, the seven (7) day notice period will be waived and Work will begin immediately. 4. The Owners shall assume all responsibility for the cost of any Work, or any measures taken by the City to address conditions as described in Paragraph 3. Such responsibility shall include reimbursement to the City within thirty(30)days of the receipt of the invoice for any such Work performed. Overdue payments will require payment of interest at the maximum legal rate allowed by RCW 19.52.020 (currently twelve percent (12%)). If the City initiates legal action to enforce this agreement, the prevailing party in such action is entitled to recover reasonable litigation costs and attorney's fees. 5. The Owners are required to obtain written approval from City of Renton prior to filling, piping, cutting, or removing vegetation (except in routine landscape maintenance) in open vegetated stormwater facilities (such as swales, channels, ditches, ponds, etc.), or performing any alterations or modifications to the drainage facilities referenced in this Declaration of Covenant. Page Z of 10 Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-3 of 10 Record Date:3/23/2020 11:48 AM King County,WA 6. Any notice or consent required to be given or oth�rwise provided for by the provisions af this Agreement shall be effective upon personal delivery,orthree(3)days after mailing by Certified �Mail, return receipt requested. 7. With regard to the matters addressed herein,this agreement consfiitutes the enfire agreement between the parties, ane! supersedes al! priar dise�ssians, negotiations, and all agreements whatsoever whether ora!ar written. 8. This Decfaratian of Covenant is intended to pratect the value and desirability and pramote efficient and etfective management of surface water drainage af the real property deseribed above, and shall inure to the faenefit of a[P the citizens of the City af Renton and its successors and assigns. This Declaration of Covenant shall run with the land and be binding upon Grantor(s), and Grantor's(s'} successors in interest, and assigns. 9. This Declaration of Cavenant may be terminated by execution of a written agreement by the Owners and the City that is recorded by�Cing County in its real property records. IN WITNESS WHEREOF, this Declaration of Covenant for the Inspection and Maintenance of Drainage Facilities is executed this � day of ~�� , 20`�� . .-- �%� � ��o —� ��"��''+ C° GRANT�R, ner of the Property GRANTOR,owner of the Property STATE OF WASHINGTOf� ) CUJUNTY OF KING )ss. On this day personalfy appeared befare me: ��°�- ��'��r �'' �� ,��1�� ,r.��"� to me knawn ta be the individual(s) descri ed in and who execute the within and foregoing instrument and acknowledged that they signed the same as their free and voluntary act and deed,far the uses and purposes therein stat�d. Given under my hand a�r�d,4�?:ffq�ia�seak this � day af� ✓,� , 20 �"��"� �,�° � �`�� ky��a� � � , '�^�aA�h�VlBy�b ° �"� � � °�,w:��,��trra��„�� °��`��°�� °�'�`�'�t ��/'►�' � �� `� "� ��"�`��"� � Printed name � �� "�"t,r�r.��' �' � ..�, �,,� � ,��:� Notary Public in and for the State of `��"� ��"�'��.°��,t��°�" ��,� Washington, residing at ��a��j,i��`'"�� i�"�'�"�7`�JNu>� � LJF/�-- My appointment expires /�°/�°�� Page 3 of� Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-4 of 10 Record Date:3/23/2020 11:48 AM King County,WA EXHIBIT A - ON-SITE BMP SITE PLAN TOTAL LOT/SITE AREA(SF): 9,310 SF PERMIT NUMBER: B19005187 ADDRESS: 4900 NE 1st Street PARCEL NUMBER: 692800-0320 NEW/REPLACED IMPERV.AREA(SF): 2,873 SF DISTURBED AREA(SF): 7,867 SF ON-SITE BMP(5) USED: FULL INFILTRATION MAX. IMPERVIOUS SURFACE ALLOWED(SF): 4,655 SF � `�,\. \ 10' DRAINAGE \\��,\ EASEMENT REC. � N0. 9802261082 (4'Wx47'Lx2'D)ROOF \ �� \ AND PAVING INFILTRATION TRENCH \ \ \ ��R. \ \� `�`. r � � R�� \� � � �`. �`. ?�'. � �\� \ � � I� I I \ \\\ ,S9�.� 36"DIA W ��\�`. � STORM PIPE � � � �� I \ ��., � � , � �. � � � i i \ � .=�� i � , , � I ``�, O � a � � �'�.,\., � Z \ � � � � ��. \ \i i \ � \��. i � �` \ \ ARD �_ � �- �\\• �. �RAIN `fl0 �� WR'D PROPOS \\ `�� \ \ I PATIO \ PERMEABL � `� ��\\��\ \ II � PAVEMENT � � ` �9��WALKWAV(3' ) � \ l � `� � " .� \\'�.''��. � `�y'.—I PY�20POSED � � \ �� ,°',� �F I RE 15 DENCE ��: \��.��,. I � F F�' � � I I (PLAN�23 GL) . , . ` ..m. : � � a :`.fiP°I�?:•='.:'-:r�:i-i�'i•c� I . . . `s-. I I � � �"�120PdSED� Y, • I � � �NE MEABLE Y�..'[Vy�'^�.� �ST ST I " pA EMENT ..p.,�,/�^j �� . �" 1 EyVA �I= _— i �w1x�'`..`�"ri`� I � t\ . � II � II � a N I N89'45'21"W 99�35° � ` NO(E)OPEN DITCH I / � � AT THIS DRNEWAY S '"' ENTRANCE � � I I 1 0' 15' 30' 60' 1"=30' Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-5 of 10 Record Date:3/23/2020 11:48 AM King County,WA PLAfV � I` L 10'MIN. � S Mlfl. + A � — �� o T � � q � GATGH BASIN RDOF DOWN SPOUT WffH OVERFLOW WYE AN�SPLASH BLOGK ELEVATION �� 12" MIN. � Z� 4'0 SOLID PIPE � 4'ORIGIDPERFORATE�RPE 1' OR6"OFLEXIBLEPERFOfL4TEUPIPE FROPTEE 1' � BACFffILL 4'0 RIGID PERFOfL47ED PIPE 6'A11fV.SPAGfIG BETV4EEf1 � TDP OF PIPE AN�FILTER FABWG 12'MIR. ��II i-�.��— 6' IN, � FILTER FABRIC AROUND IRENCH 14'MIN. WASHEDROGK �� 1.5'0 TD O.TS'f6 � �4• � secnon n�n p4 Y �,,�, STD. PLAN — 226.20 � � � PUBLIC WORKS SINGLE FAMILY ROOF DOWNSPOIJT DEPARTMENT INFILTRATION TRENCN �,g,CH 2O08 A— Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-6 of 10 Record Date:3/23/2020 11:48 AM King County,WA .A•+"" 3JA"F�AI PACE GOTHIC �9��DIA-� 5/„ ❑❑ `� y❑❑ 0 & ❑STORM❑ � q" �"��'•�� Fi � �8-1311&"DIA� 8-1I8"DIA � 10-1(2"DIA � (2)3/8"-16 SS SOCKET HEAD CAP 15"UTA (i)OPEN PICKHOLE 1" SCREW(ALLENHEAU)WNVSHRS 5�$ ON A 8"UTA BOl7 CIRCLE PLAN VIEW FRAME SEGTION COVER SECTION CAST IRON FRAME AND PAVED AREA(TYP.) COVER,SEE NOTE 3 , i2" , , 921' , EXTEND CLEANOUT RISER ��—� r-----i 2"ABOVE DESIGN PONDING I ELEVATION OR PER PLAN FERNCO GASKETED �, ,��„� � QUIK CAP OR SIMILAR DESIGN PONDING ,. ,.. ELEVATION ---"""�� 4"STREAMBED COBBLES 8"CLASS"B" � "� �� -�� PER WSDOT9-03.11(2) i y i— ASPHALT,SEE NOTE 4 � � f , / � �� , .. . __,_.. ��, r ;4'COMPAGTED SAND OR �O O� �?GRAVEL BACKFILL FOR DRAWS ��,..("l Q�� ;.PER WSDOT 9-03.12(4) �O OU�, �O O,,r � �I �= ,1� r . CLBANOUT RIS6R,SEE NOTE 2— � i �I ; i' 7 .��i� �I�I.'.��i: II .�) : ��,.�II�: I _(I I��:I f:—'il ��I� iC� � I�I,: I i�a I;.: CLEANOUT RfSER,�� "'� SOIL TIGHT 45"BEND SEE NOTE 2 �� "� �� I��' wve � � � I�i'�,r��, (��`�( ; (� .�'�-. SOILTIGHT ��✓ A�i> � f� III: II �'` ��,'(��.'� COUPLER �j� , % ��I��{I 'i � 1r �.= � �>(I. U�,�11 � �I, I{I-: UNDERDRAIN,FOOTWG l � f�� / � ��1��i�� I(i��,. (�l.,l '��i..: DRAIN COLLECTOR,OR � �l ,/� � � _� i, I�-� � - y i� ROOF DRAIN COLLECTOR 4��'': . A " PiPF sFeNore i ��r,� i�� j�� ,(�t� CLEANOUT RISER LOCATED WITHIN ��`� � - �<, ; BIORETENTION PONDING AREA .E.-�.,i� r la I t'�i��',i@ �. TOOVERFLOW > �� x / I (:f ti) '., rr t 5TRUCTURG OR " : STORM MAW /��,/ i� ✓ "� � �,% MECHANICAL PLUG OR CONTINUED CONNECTION TYPICAL CLEANOUT CONFIGURATION NOTES: 1. DIAMETER TO BE 6-INCHES MINIMUM PRIVATE,8-MCHES MINIMUM PUBLIQ UNDERDRAIN PIPE PER STD.PLAN 262.10. 2. CLEANOUT RISER SHALL BE SAME SIZE AND MATERIAL AS CONNECTED UNDERDRAIN,FOOTING DRAIN COlLECTOR,OR ROOF DRAIN COLLECTOR PIPE. 3. FRAME AND COVER SHALL BE EJ PRODUCT NO.00367549801 OR APPROVED E9UA�.COVER TO BE LOCKING WITH A�IEN HEAD BOLT,MARKED"STORM", 4. FOR CLEANOUTS FULLY OR PART�ALLY WITHIN UNPAVED AREAS OUTSIDE OF 810RETENTION PONDING AREA,POUR 8"TMCK,2'x2'SQUARE CONCRETE COILAR AROUND FRAME.CONCRETE COLLAR SHAIL HAVE A MINIMUM COMPRESSIVE STREN6TH OF 3,000 PSI. GENERALNOTES; 1. CLEANOUTS FOR UNDERDRAIN,FOOTING DRAIN COLLECTOR,AND ROOF DRAIN COLLECTOR PIPES SHALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEEt,A�EVERY 90 QEGREE OR SECONL14,5 DEGREE BEND,Al THE END OF EVERY COLLECiOR PIPE,AND AT EACH END OF AN UNUERDRAIN PIPE NO7 CONNECTED TO AN OVERFLOW STRUC�URE.CI.EANOUTS SHALL BE INSTALLED TO ALLOW FOR MAINTENANCE ACCE9S TO ALL PIPES. 2. ALL FITTINGS SHALL BE SOIL TIGHT. 3. CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF BIORETENTION PONDING WHERE POSSIBLE. 4. CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANE,UNLESS OTHERWISE APPROVED BY THE CITY. UNLE55 OTHERWISE NOTED,DRAWING IS NOTTO SCALE(NTS� STD.PLAN-226.00 � PUBUC WORKS APPROVED: . �+ �EP�RTMENT STORM SYSTEM CLEANOUT GAZ 9/zs/zois I ._....__..........._.........._._._......___.,...._.. cunr�c wo�s ndm DATE Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-7 of 10 Record Date:3/23/2020 11:48 AM King County,WA MAINTENr�NCE INSTRUCTInNS FnR FULL INFILTRATInN Your prop?rty contains an on-site BMP (bPst�anagPmPnt practicP)callPd`full infiltration,"which was installed to mitigate fhe stormwater quantity and quality impacts of some or all of the impervious surfaces on your property. Full infiltration is a method of soaking runoff from impervious area(such as paved areas and roofs) intv the ground. If properly installed and maintained per Appendix A of the City of Rentvn's Surface Water Design Manual,full jnf ltrat�on can manage runoff so t}�at a majority of�reci�itat�on events are absorbed. Infiltration devices, such as gravel filled trenches,drywells, and ground surface depressions, facilitate this process by pi�tting n�noff in direct contact with the soil and holding the n�noff long enou�h to soak most of it into the�round.To be successful,the soil condition around the infiltration device must be reliably able to soak water i�to the grour�d far a reasonable number of years. Infiltration Devices The infiltration devices used�n your pr�perty include the f�llowing as indicated�n the site plan(CHECK THE BOX(ES) THAT APPLY): �Blgravel filled trenches, ❑drywells, ❑ground surface depressions. MAINTENANCE RESTRICTIONS The size,placement, and composition of these devices as depicted by the site plan and design details must be maintained and may not be changed without written approval from the City of Renton or through a future developn�er�t pernut from the City of Rerrtor�. INSPECTION FREQUENCY AND MAINTENANCE GUIDELINES � Infiltration devices must be inspected annually and after major storm events to identify and repair any physical defects. � Maintenance and operation of the system should focus on ensuring the system's viability by preventing sediment-laden flows from entering fhe device. Excessive sedimentation will result in a plugged or non-functioning facility. • If the infiltration device has a catch basin, sediment accumulation must be removed on a yearly basis or more frequently if necessary. • Prolonged ponding around or atop a device may indicate a plugged facility. If the device becomes plugged, it must be replaced. • Keeping the areas that drain to infiltration devices well swept and clean will enhance the longevity of these devices. � For roofs,frequent cleaning of gutters will reduce sediment loads to these devices. Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-8 of 10 Record Date:3/23/2020 11:48 AM King County,WA --�PERVIOUS CONCRETE/POROUS ASPHALT A _� B /� ('� PAVGMENT 6AS�, C �O�'"\OoOO�O �O��oOOp'"\O OOT'1 SEENOTE6 LJ �� V �J 5AND LAYER(IF REQUIRED), � SEE NOTE 5 �`� �" .0,€` .'�.� �/� �. � 'rV^ `'ti�'�„,`ti.�,p;. m..+% �" ��,,��`''/j��"`/��,�a�'�`� 12"MIN.ABOVE SEASONAL HIGH GROUNDWATER OR HYDRAULICALLY SUBGRADE,SEE NOTE 4 � RESTRICTIVE LAYER PERVIOUS CONCRETEIPOROUS ASPHALT MINIMUM MATERIAL THICKNESS(IN): RESIDENTIAL STREETS AND pEDESTRIAN ALLEYS PERVIOUS POftOUS PERVIOUS POROUS LAYER MATERIALTYPE* CONCRETE ASPHALT CONCRETE ASPHALT (IN) (IN) (IN) (IN) OA PERMEABLE PAVEMENT,SEE NOTE 1 8 6 5 4 OCHOKER COURSE,SEE NOTE 2 0 2 0 2 OAGGREGATE BASE,SEE NOTE 3 8 6 6 4 NOTES: 1. PERMEABLE PAVEMENT THICKNESSES LISTED FOR POROUS ASPHALT INCLUDE WEARING COURSE AND A5PHALT TREATED PERMEABLE BASE (ATPB)WHEN UTILIZED.PERMEABLE ASPHALT TREATED BASE(PATB)SHALL CONFORM TO TNE REQUIREMENTS OF APWA GSP 4-SA2.GHOKER COURSE REC�UIRED WHEN ATPB IS USED. 2 CRUSHED SURFACING CHpKER COURSE(CSCC)SHALL GONFpRM TO THE REQUIREMENTS QF APWA GSP 4-042(9-03.9(2)).OPT2. 3. AGGREGATE BASE SHALL CONFORM Tp THE REQUIREMENT5 OF APWA GSP 4-042(9-03.9(2)).OPT1.RUNOFF STORAGE REQUIREMENTS MAY REQUIRE A THICKER AGGREGATE BASE.HYORAULIC MODELWG RESUITS SHOW WG THE REQUIRED AGGREGATE BA5E THICKNESS FOR STORMWATER CONTROL MUST BE SUBMITTED. 4. PREPARE AND PROTECT SUBGRADE PER APWA GSP 2-06.3(3)SUBGRADE FOR PERMEABLE PAVEMENTS.COMPACT TO A DEPTH OF 6"TO 90%-92% OF MAXIMUM DENSITY PER WSDOT 2-03.3(14)D.OVERCOMPACTED SUBGRADE SHALL BE SCARIFIED TO 8"MIN.AND RECOMPACTED. 5. PERMEABLE PAVEMENT 5HALL BE DE5IGNED WHERE THE SOIL BENEATH THE BMP MEETS A MINIMUM ORGANIC MATTER CONTENT OF 1.0%AND A MINIMUM CATION EXCHANGE CAPACITY OF 5 MILLIEQUIVALENTS PER 100 GRAMS.A 6 INCH SHND LAYER MUST BE WCLUDED W THE DESIGN BENEATH THE PERMEABLE PAVEMENT IF THE SOIL DOES NOT MEET THESE PROPERTIES. 6. PAVEMENT BASE SHALI.BE INSTALLED PER APWA GSP 4-04.3(5)SHAPING ANO COMPACTION. GENERAL NOTES: 1. REFER TO WSDOT LOCAL AGENCY GENERAL SPECIAL PROVISIONS(GSPs)DIVISIONS 2-9 APWA GSPs.AND WSDOT STANDARD SPECIFICATIONS. 2. PORpUS HMA SHALL CONFORM TO REQUIREMENTS OF APWA GSP 5-04. 3. MiNIMUM UTILITV SETBACKS AND PROTECTION MEASURES MUST CONFpRM TO CURRENT CITV STANDARDS,STD.PLF�NS 265.00,265.70,AND 2ft52Q AND OTHF.R UTILIT'V PROVIDFR RFQUIREMENTS COORDINATE WITH CITY FNOWF_ER IN THE EVENT OF U7ILITY CROSSIN<3S OR CONFLICTS. 4. PERMEABLE PAVEMENT SHALL BE DESIGNED OR REVIEWED BY A LICENSED ENGINEERING GEOLOGIST OR 6EOTECHNICAL ENGINEER.FOR AlL APPLIGATIONS,PAVEMENT DESIGNS MUST BE PREPARED BY AN ENGINEER LICENSED IN WASNINGTON S"TATE. 5. ACCFPTANGE TESTING FOR SIC]F.WAL.KS,PATHS AN�VEHICUI_AR PAVFMF_NT I..ESS THAN 2,000 SF SHAI...L BF AS FOI_I...OWS:PAVFMFNT SHAL.L.BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES.APPROVAL WITH 5 GALLON BUCKET TEST,WATER TRUCK,OR ASTM C1707 USING A 12-INCH RING SEALED AT TNE PAVEMENT SURFACE. 6. ACCEPTANCE TESTWG FOR ROADWAYS AND PARKING AREAS OF 2,000 SF OR GREATER SHALL HAVE A MINIMUM INFILTRATION RATE OF 100 INIHR PER ASTM C1701 AND APWA GSP 5-04.3 AND 5-06.3(6). 7. ROADWAYS,DRIVEWAYS,AND PARKING LOTS SUBJECT TO VEHICLE LOADING SHALL MEET STRUCTURAL REQUIREMENTS OF CITY OF RENTON TRANSPOKIAfION IJEf'AHIMENl�51ANUARUS F'OR EC;IUIVALENT NON�PEIiMEABLr I'AVEM�N�I�TYPES. 8. FOR PERMEABLE PAVEMENT INSTALLATIONS ON SLOPES GREATER THAN 5%,CHECK DAMS AREA REQUIREp PER STD.PIAN 261.20. 9. SEE CONSTRUCTION PLANS FOR SPECIFIC PRQJECT REQUIREMENTS. UNLESS OTHERWISE NOTED,DRAWING IS NOTTO SGALE(NTS) PERMEABLE PAVEMENT MATERIAL , sT�.P�aN-2ei.so m�. PUBUC WORKS APPROVED: � �EPARTMENT SECTIONS- PERVIOUS CONCRETE AND GAZ 9/zs/2ois I � POROUS A5PHALT ..__....---......-----...........__..._..__...._...--- � � nunucwon:�na�,�l��aro� DATE Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-9 of 10 Record Date:3/23/2020 11:48 AM King County,WA MIN.4,000 PSI COMPRESSIVE STRENGTH CONCRETE BAND(TYP.) �`DEPRESS LANDSCAPING 7" PERMEABLE / NEXT TO EDGE TREATMENT PAVEMENT SECTION / SEE STD.PLAN 261.10 f u !,U< r+� �� /I �7 :.!� __. ig,�'i i'r i:: � �;��1 ;i� , � �i�.,4 k,� � � ,'LANDSCAPE � � � �,. e � m ,,.w .... .........L, �.:�i,. EXTENp TO BOTTOM OF PAVEMENT BASE GONCRETE BAND AT LANDSCAPE PERMEABLE FLUSH EDGES KEY OR EXPANSION JOINT FAVEMEN�f SEC1"IQN, PER DPW APPROVAL(TYP.) SEE STD.PLAN 261.10 r/r' �%.,�J`:��1�� z; / .� '.�r� ��,r'' � �,"r�� i �,`Yh ��^i� IMPERMEAB�E I�.' "` '� PAVEMENT � � _L �`. 1� �� , �, ,�.� , ,:�.. � , / . ,., , ,. ) l � , �i , � �Jf �' t.�(„1 � �:°6. . . .��. /�� . V`�i�,,A . �`�� 2"MIN.EMBEDMENT KEV � � FROM ADJACENTIMPERMEABLE PAVEMENT BASE CONCRETE BAND EXTEND TO BOTTOM OFPAVEMENTBASE CONCRE7E BAND BETWEEN PAVEMENT NOTES: 1. ALL PERMEABLE PAVEMENT APPLICATIONS SHALL CONFORM TO THE CITY OF RENTON SURFACE WATER DESIGN MANUAL SECTION C27 AND WSUOI LOCAL AGENCY GENERAL SPEGIAL PHOVISIONS. 2. SEE CONSTRUCTION PLANS FOR SPECIFIC PR6JECT REQUIREMENTS. UNLE55�THFRWISE NOTED,DRAWING IS NOTTO SCALF(NTS) STD.PLAN-261.00 � Pueuc woRKs PERMEABLE PAVEMENT- AP°R �° "� DEPARTMENT GAZ 9/28/2018 � EDGE TREATMENTS wo�e..aa�nl��scamr DATE Instrument Number: 20200323000810 Document:COV Rec: $112.50 Page-10 of 10 Record Date:3/23/2020 11:48 AM King County,WA MAINTENANCE INSTRUCTIONS FOR PERIVIEABLE PAVEMENT (NON-VEGETATED) Youi-propeity contains an on-site BMP (best management practice)called"permeable pavement," which was installed to minimize the storxnwater aluantity and quality impacts of some ar all of the paved surfaces on your property. Permeal�le pavements reduce the amount of rain�'all that l�ecomes runoff l�_y allowing water to seep through the pavement into a free-draining gravel or sand bed,where it can be infiltrated into the ground. This on-site BMP shall be maintained per Appendix A of the City of Renton's Surface Water Design Manual. Permeable Pavements The type(s)of permeable pavement used on your property is (CHECK THE BOX(ES)THAT APPLY): ❑ Porous concrete � Porous asphalt ❑ Permeable pavers ❑ Modula:r grid pavement MAINTENANCE RESTRICTIONS The area covered by permeable pavement as depicted by the site plan and desi�details must be maintained as permeable pavement and may not be changed without written approval from the City of Renton or through a future development permit from the City of Renton. INSPECTION FREQUENCY AND MAINTENANCE GUIDELINES • Permeable pavements must be inspected after�ne maj�r st�rm each year t�make sure it is working properly. Mare frequent inspection is recommended. • Prolonged ponding ar standing water on the pavement surface is a sign that the system is defective and may need to be re�laced. If this occurs, contact the�avement installer ar the City of Renton for further instructions. • A typical permeable pavement system has a life expectancy of approximately 25 years.To help extend the useful life of the system,the surface of the permeable pavement should be kept clean, stable and free of leaves, debris,and sediment through regular sweeping or vacuum sweeping. Aggregate fill in modular grid pavement may need periodic surface replenishment. � The owner is res�onsible far the re�iair of all ruta,deformation, and/ar broken�aving grids ar pavers. • Modular grid pavement and permeable pavers filled with gravel or with gravel in the joints may need to be refilled periodically.