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Home My WebLink AboutRC 20180228001579Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -1 of 14 Record Date:2/28/2018 3:31 PM Electronically Recorded King County, WA FATMITIT9 City Clerk's Office City of Renton FOR INSPECTION AND MAINTENANCE OF DRAINAGE FACILITIES AND 'IN , -SITE BMPS r.M Wantor: Wei Lai Development LLC Grantee: City of Renton, a Washington municipal corporation Legal Description: PARCEL B OF RENTON LOT LINE ADJUSTMENT NO. LUA-99-149, L�KA RECORDED JAN 12,2000 UNDER REC. NO. 20000112900002, KING COUNTY WA 71 Residential Building Permit commercial Building Permit 0 Clearing and Grading Permit Civil Construction or Utility Permit 14HI.I(ol RM' AVIZI "I and obligations set forth and described in Paragraphs I through 9 below with regard to t Property, and hereby grants (grant) an easement as described in Paragraphs 2 and 3. Grantor( hereby grants (grant), covenants (covenant), and agrees (agree) as follows: f 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 draina•ge facilities constructed as required in the approved construction plans and specifications 3908 — (Project Plan #) on file with the City of Renton and submitted to the City of Renton for the review and a pprova I of perm it(s) U 16-004636 (ConstructionlBuildinglUtility Permit#). 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 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -2 of 14 Record Date:2/28/2018 3:31 PM 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 condon. 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, S. 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. Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -3 of 14 Record Date:2/28/2018 3:31 PM King County, WA 6. Any notice or consent required to be given or otherwise provided for by the provisions of this Agreement shall be effective upon personal delivery, or three (3) days after mailing by Certified Mail, return receipt requested. 7. With regard to the matters addressed herein, this agreement constitutes the entire agreement between the parties, and supersedes all prior discussions, negotiations, and all agreements whatsoever whether oral or written. 8. This Declaration of Covenant is intended to protect the value and desirability and promote efficient and effective management of surface water drainage of the real property described above, and shall inure to the benefit of all the citizens of the City of 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 Covenant may be terminated by execution of a written agreement by the Owners and the City that is recorded by King County in its real property records. IN WITNESS WHEREOF, this Declaration of Covenant for the Inspection and Maintenance of Drainage Facilities is executed this —t,,,(day of 20 GRANTOR, owr er of 1 Property GRANTOR, owner of the Property REPRE'SENTA 77VE' FORM OF AC ISO PH EDGUFNT Notary Seat must be within box STATE OF WASHINGTON ) SS MCOUNTY OF KING BONITA M BABCOCK I certify that I know or have satisfactory evidence that )4ya-i Ic NOTARY PUBL signed this instrument, on oath stated that he/she/they was/were authorized to STATE OF VVASHINGTO execute the instrument and acknowledged it as the of Wei Lai Development, LLC to be the free and voluntary act of such party/parties for ,ONIN16SION EXPIRES SEPTEMBER 22, 2021 the uses and purposes mentioned in the instrument. . Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page-4 of 14 Record Date:2/28/2018 3:31 PM King County, WA Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -5 of 14 Record Date:2/28/2018 3:31 PM King County, WA Exhibit '+e Detention 11"Affl�MM IN Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -6 of 14 Record Date:2/28/2018 3:31 PM King County, WA Exhibit ` Operations „;#t and Recommendations Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -7 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPEA61.7LX A MAINTENANCE REC?iJtR.lr;PvIEENTS FOR. FLCitad CONTROL, CONVEYANCE, AND WQ FACILITIES O.3 . DETENTION ENTIO TANKS AND VAULTS Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component _ _...... __ .. Maintenance is Performed site Trash and debris _..... ___._.... Any trash and debris which exceed 1 cubic font _� _ .... Trash and deb? is cleared from site, per 1,000 square feet (this is about equal to the amount of trash it would take to fill tap one standard size office garbage can). In general, there should be no visual evidence of dumping. Noxious weeds Any noxious or nuismice vegetation which may Noxious and nuisance vegetation constitute a hazard to County personnel or the removed according to applicable public. regulations. No clanger of noxious vegetation where County personnel _ or the public might normally be. Contaminants and Any evidence of contarninants or pollution such Materials removed and disposed of pollution as oil, gasoline., concrete slurries or paint, according to applicable regulations. Source control BMPs implemented if appropriate., No contaminants present rather than a surface oil film. Grasslgroundcover Grass or groundcouer exceeds 16 Inches In grass or groundcover mowed to a height. height no greater than 6 incites. Tarek or Vault Trash and debris Any Posh and debris accumulated in vault or tank No trash or debris in vault. Storage Area (includes fio:atablt s and non-floatabies). Sediment Accumulated sediment depth exceeds 10 of the All sedirnerat removed from storage accumulation diameter of the storage area for ! length of area. storage vault or any paint depth exceeds 15% of diameter, Example: 72 -inch storage tank waufd require leaning when sediment reaches depth of _ 7 inches for more than % length of flask. Tank Structure Plugged air vent Any blockage of the vent. � Tank orV vault freely vents. 'Tank bent out of Any past of tank1pipe is bent out of shape mane "Cama repaired or replaced to desigm shape than 10 of its design shape. Gaps between A gap wider than %-inch at the joint of any tank No watts or sail entering lank sections, damaged sections or any evidence of soil particles entering through joints or walls. joints or cranks or the tarok at a joint or through a wall. tears in wall Vault Structure Damage to wall, Cracks voider than !/,-inc:h, any evidence of soil Vault is sealed and structurally frarne, bottom, and/or entering the siruchire through cracks or qualified sound. top slab inspection personnel determines that the vault is not structurally sound. udet/OuS3et Pipes Sediment Sediment filling 20% or more of the pipe. Inletmutlet pipes clear of sediment.. accumulation ......_... _� 'Trash and debris _.._. ._ _. _..... Trash and debris accumulated in inletloudet ..... ....... . _ ....� . No trash or debris in pipes. pipes (includes floatables and non-dloatables). Damaged Cracks wirier than '/,Inch at the joint of the _. No cracks more than 1/4 -inch wide at inlatkou let pipes or any evidence of scall entering the joint of the inletlrsuflat pipe. at the paints of the inletfoutlet gripes. 2009 Surface Water Design Manual — Appendix A 1/4/2009 A-5 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -8 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPENDIXA MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES O. 3 — DETENTION TANKS AND VAULTS Maintenance Defect or Problem Conditions Whan Maintenance is Needed Results Expected When Component Maintenance is Performed Access Manhole CaverYlid not in place Coverfild is missing or only partially in place. Manhole access covered, Any open manhole requires immediate eraaffitenance. Tor inq ¢nechanisin Mechanism cannot be opened by one Mechanism opens with proper tools. net working maintenance person with proper tools. Solis cannot be seated. Self -docking cover/lid does not work. Coverilld difficult to One maintenance person cannot remove Coverilid can be removed and remove coverilld after applying 80 ins of lift. reinstalled by one maintenance person. Ladder rungs unsafe Missing rungs, misalignment, rust, or cracks, Ladder meets design standards. Allows maintenance person sale access. Large access Darnaged or difilcult Large access doers or plates cannot be Replace or repair access door so it doomiplate to open openediremoved using normal equipment, can opened as designed. Gaps, doesn't cover Large access doors not flat andlor access Doors close flat said covers access completely opening not completely covered. opening completely, Lifting Rings missing, Lifting rings not capable of lifting weight of door Lting rings sufficient to l(R or or plate, remove door or plate. 1/912009 2009 Surface Water Design Manta Appendix A A-6 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -9 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPEn:NDIX .A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND VWQ FACILITIES O.4 -- CONTROL STRUCTURE/FLOW RESTRIC TO -_._._...... _.:_._.. Maintenance Defect or Problem _...� __.. Condition When Maintenance is Needed _. ...._ .. Results Expected When Component Maintenance is Performed Structure 'Crash and debris Trash or debris of more than % cubic foot which No Trash or debris blocking or is located immediately in front of the structure potentially blocking entrance to opening or is blocking capacity of the structure by structure,. more than 10%. Trash or debris im the structure that exceeds'/3 No trash or debris in the structure, the depth from the bottom of basics to invert the lowest Ripe into or cut of the basin. Deposits of garbage exceeding I cubic foot in No condition present which would vclurne. attract or support the breeding of insects or rodents, Sediment Sediment exceeds 60% of the depth from the Sump of structure contains no bottom of the Structure to the invert of the lowest sediment, pipe, into or out: of the structure or the bottom of the FROP-'i section or is within 6 inches of the insert of the lowest pipe into or out of the structure or the bottom of the FROP-T section Damage to fraarne Comer of frame extends more than % inch past Frame is even with curia. and/or top slab auric Pace into the street (If applicable). Topstab has holes targer than 2 square Inches or Top slab is free of Proles and cracks, cracks wider than'/l inch. _.................. ._ Frame not sitting flush on top stab, i.e,, FrSarne is Sitting flush on top slab_ separation of more than ✓; inch of the frame from the top slab. _ Cracks in walk or Cracks wider than "/, inch and longer Shan 3 feet, Structure is sealed and structurally boftwn any evidence of soil particles enferinq structure soured. through cracks, or rrsaintenance persona judges that Structure Is unsmind. Cracks wider than ; inch and longer than t foot No cracks more than '4 inch aside at at the joint of any inlefYoutlet pipe or any evidence the )mint of mlet/outlet pipe, of soil particles entering structure through cracks. ,edieanen#A Structure has settled more than I inch or has Basin replaced or repaired to design misalignment rotated store than 2 inches out of alignment. standards, Damaged pipe joints Cracks wider than '/. inch at the joint of the No cracks nuore than f-irich wide at inletloui et pipers or any € vidence of scall entering the joint of infet/outlet pipes. the structure at the joint of the inlatioutdet pipes. Contaminants and Any evidence: of contaminants or pollulion such Materials removed and disposed of pollution as uk, gasoline, concrete slurries or paint according to applicable regulations. Source control BMps implemented if appropriate, No contaminants .._ ..� _.... present Cather than a surface oil film. Ladder rungs missing Ladder is unsafe due to missing rungs, ._........ .... ®_...._ Ladder meets design standards and or unsafe misalignment, nest, arracks, m sharp edges, allows maintenance person safe access. FROP-1 Section Damage r section is not securely attached to structure 1 section seottredy attached to wait wall and outlet pipe structure* should support at and outlet pipe. least 1,000 lbs of up or down pressure.. Structure is riot in upright position (allow up to Structure in correct position. 10% from plumb) Connections to outlet pipe aye not watertight or Connections to outlet pipe are water shove signs of deteriorated grout. tight; structure repaired or replaced and works as designed Any holes --other than designed holes—in the Structure has no holes other than s8ructurra, designed holes. eanout 1,afe _ Damaged or ® missing Cleanout gate is missing. _... _........_. ..._....--...__. Replace cleanout gate _._.._. 2009 Surface: Water Design Manwal -- Appendix did A 1/912009 A-7 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -10 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPEP+DIX A MAINTENANCE REQUlREh9ENTS FL,0pJ (:t)'NTROI., CONVEYANCE, ANIS Wtai FACT1xr1ES 0.4 — CONTROL STRUCTURE/FLOW RESTRi 7 Maintenance ceamparrent Defect or Probiern condition When Maintenance is Needsd Results Expected faen Maintenance is Perforrned Cleanout gate is not wratertight. Gate is watertight and works as designed. Gate cannot be /roved up and down by one Gate /roves up and doyen easily and maintenance person, is watertight, Chiainfrod leading to gage: is missing or damaged. Chain is in place and works as designed. Orifice Plate Damaged or missing Control device is not working properly duan to plate is in place and works as missing, out of place, or bent orifice e plate. designed, Obstruction& Any trash, debris, sediment, or vegetation Plate is free of all obstructions and blocking the plate, works as designed, Overflow Pipe Obstructions Any trash air etebnc blocking (or having the ripe is free of all obstructions and potential of blocking) the ovea'fiow pipe. works as designed. Deformed or damaged lip of eavertlow pipe is bent or deformed. Overflow pipe does not allow lip overflow at an elevation lower than design inletiOutlet Pipe Sediment Sediment filling 20% or more of the pspe. Inlet/outlet pipes dear of /sediment. accurn i ation Trash and debris Trash and debris accumulated in inlet/outlet No trash or debris in pipes. _........ ... __ __.. pipes (includes floe€ablest and nein-floslables). _ Damaged ..�......_._..._ ._. Cracks wider than'/. -Inch at the joust of the _. No cracks more than',✓=inch wide at @ ilet/oullet pipes or any evidence of end cantering the joint of the inieVoutlet pipe, at the joints of the iniet°ouliet pipes. Metal Grates Unsafe grate opening Grate with opening wider than '/a, inch. Grate opening meets design (lf Applicable) standards. Trash and debris Trash and debris that is blocking more than 201% Grate free of hash and debris.. of grate surface. _..__.._....... - footnote to gurdelines for disposal Damaged er missing Grate missing or broken rmernber(s) of the grate. Grata ss in place and meets design standards. Manhole. Coverlt.id Cover/lid not in piece Cover/lid is missing or only partially in place. Cover/list protects opening to Any open structure requires urgent structure. maintenance. Looking mechanism � Mechanism cannot be opened by one _ Mecharalwtrr opens with proper tools, Not Working rnadntenanre person with proper tools. Baits cannot be seated. Self -louring coved id does not. work. Covertlid difficult to One maintenance person cannot remove Coverilid can be rernovod and Remove cover/lid after applying 00 lbs, of rift, reinstalled by one /maintenance per:,orr. 9/9/2009 A-8 2009 Surface Water Design Ml inusat .... Appersdix A Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -11 of 14 Record Date:2/28/2018 3:31 I'M King County, WA APPENDIX A IVIAINTENANCIH REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES . . .......... . .... NO. 5 — CATCH BASINS AND MANHOLES Maintenance Defect or Problem Condition When Maintenance Is Needed Results Expected When Component Maintenance is Performed structure Sediment Sediment exceeds 60% of the depth from the Sump of catch basin contains no bottom of the catch basin to the invert of the sediment. lowest pipe into or out of the catch basin or is within 6 inches of the invert of the lowest pipe into or out of the catch basin. Trash and debris Trash or debris of more than % cubic foot which No Trash or debris blocking or is located Immediately in front of the catch basin potentially blocking entrance to opening or is blocking capacity of the catch basin catch basin, by more than 10%, Trash or debris in the catch basin that exceeds No trash or debris in the catch basin, 'P:, the depth from the bottom of basin to invert the lowest pipe into or oul of the basin. Dead animals or vegetation that could generate No dead animals or vegetation odors that could cause complaints or dangerous present within catch basin. gases (e,g., methane). Deposits of garbage exceeding I cubic foot in No condition present Which would volume. attract or support the breeding of insects or rodents.. Damage to frame Comer of frame extends more than % inch past Frame is even with curb. and/or top dab Curb face into the street (If applicable) Top slab has holes larger than 2 square inches or Top slab is free of holes and cracks. cracks wider than I/ inch, Frame hot sitting flush on top slab, i.e., Frame is sitting flush on top slab, separation of more than 3/4 inch of the frame from the top slab. Cracks in walls or Cracks wider than 1/. inch and longer than 3 feet, Catch basin Is sealed and bottom arty evidence of soil particles entering catch structuratly sound. basin through cracks, or maintenance person judges that catch basin Is unsound. Cracks wider than Y inch and longer than I foot No cracks more than 71 -inch —wide" Tt at the joint of any inlet/outlet pipe or any evidence the joint of inlellouflet pipe, of sail particles entering catch basin through cracks. Settlement/ Catch basin has settled more than I Inch or has Basin replaced or repaired to design misalignment rotated more than 2 inches out of alignment, standards. Damaged pipe joints Cracks wider than '/,inch at the joint of the No cracks more than %Anch wide at inleVoullst pipes or any evidence of soil entering irra joint of inletloutlet pipes, the catch basin at the joint of the inlet/outlet pipes. Contaminants and Any evidence of contarninants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface off film. InleflOuttek Pipe Sediment Sediment filling 20% or more of the pipe. frilet/ouflet pipes clear of sediment, accumulation Trash and debris Trash and debris accumulated in inletloutlet No trash or debris in pipes. pipes (includes Roatables and non-floatables), Damaged Cracks wider than A -inch at the joint of the No cracks more than %Anch wide at inbtloutlet pipes or any evidence of soil entering the joint of the infedoutilet pipe. at the joints of the inletioutlet pipes. 2009 Surface Water Design Manuel - Appendix A 1/9/2009 A-9 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -12 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES 5 -- CATCH BASINS AND MANHOLES Maintenance Clefeet oc presblern Condition When Maintenance is Needed Results Expected When Component Maintenance is Perfonned Metal Grates Unsafe grate opening gate with opening vAd r thaninch. Grate opening rimets design (Gatch Basins) standards. Trash and debris Trash and debris that is brooking more than 20% Grate free of trash and deb6s, of grate surface. footnote to guidelines for disposal Damaged or missing Grate missing or broken member(s) of the agate. Grate is in place and meets design Any opera structure requires urgent standards. maintenance, Manhole Craver/Lid Cover/lid not in place C overbid is missing or rarely partially in place. Covedlird protects opening to Any open structure requires urgent structure. malntenance. Lacking mechanism Mechanism cannot he opened by one Mechanism opens with proper toasts. Not Working maintenance person with proper tools. Bolts cannot be sosne& Self-locking coverdlid does not work. Co111,11 c9 dif r—'toU' One maintenance person cannot remove CoveriRd can be removed and emove cov€:rAid after applying 80 lbs. of tltt. reinstalled by one maintenance .._...._. .�.._............... ......_....e....._.. .. v._�..._�___.. ...._._. _, yserson. 1/9/2404 2009 Saarface at Design Manuel Appendix A A-10 Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -13 of 14 Record Date:2/28/2018 3:31 PM King County, WA 2009 Surface Water Design Manual - Appendix A 1/9/2.009 A -1l APPENDIX A MAINTENANCE~ RE(JIRE MENTS FOR. FLOW CCb7`d`t'FiOL, CONVEYANCE, E, AND WQ FAC'E1,ME;S O.6 — CONVEYANCE PIPES AND DITCHES Maintenance Defect or Problems Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Pipes Sediment d debris Accumulated sediment or debris that exceeds Water flows freely through pipes. accumulation 20% of the diameter of the pipe. Vegetationfroots Vegetation/roots that reduce free movement of� Water flows freely through pipes, ._ water through pipes, Contaminants and Any evidence of contarnlnartts or pollution such Materials removed and disposed of poiiution as oil, gas6k;e, concrete slurries or paint. according to applicable regulations. Source control f3iWiFS implemented if apprcpritate. No contaminants present other than a surface oit flim. Damage to protective Protective coating is damaged; mast or correslon Pipe repaired or replaced. coating or corrosion is weakening the structural Integrity of any part of Pipe. Damaged Any dent that decreases the cross section area of Pipe repaired or replaced. pipe by more than 20l or is determined to have ... ...... .._...... weakened structural integrity of the pipe.. Bitches Ti ash and debris _ Trash and debris exceeds t cubic foot per 1,000 ,.___._............. Trash and debris cleared from square feet of ditch and slopes, ditches. Sedfatent Accumulated sedinvent that exceeds 20% of the Ditch cleaned/flushed of all sediment accumulation design depth.� and debris sero that it matches design, Noxious weeds Any noxious or nuisance vegetation which shay Noxious and nuisance vegetation constitute a hazard to County personnel or the removed according to applicable public. regulations, No danger of noxious vegetation where County personnel or the public might normally be,. Contaminants and Any evidence oi` contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations, Source control BMPs impler rented of appropriate No contaminants present other than a surface oil Mm. Vegetation Vegetation that reduces free movement of water Water flows freely through ditches. ._ through {.filches. Erosion damage to ..._.............®.®.......�_.®...., ........__.. Any erosion observes on a ditch slt lei .................... _—... Slopes are not eroding. slopes Rock lining out of One layer or Mess of rock exists above native .cal& replace rocks to design standards. place or missing (it area 5 square feet or more, any exposed native Appiicabie) soil, 2009 Surface Water Design Manual - Appendix A 1/9/2.009 A -1l Instrument Number: 20180228001579 Document:COV Rec: $87.00 Page -14 of 14 Record Date:2/28/2018 3:31 PM King County, WA APPENDI .A MAINTENANCE REQUI EN4LE TS FLOW CONTROL, <, CONVEYANCE, AND WQ FACii, TIES 7 I ERS (E.G., TRASH RACKS) Maintenance Defect or Problem Condition When Maintenance is Needed Resu is Expected When Component Maintenance is Performed. Site Trash and debris Trash or debris plugging more than 24% of the Sauter clear to receive capacity gow. area of the barrier. Sediment Sediment acctnavaulatlon of greater than 20% of Barrier clear to receive capacity flow. acaurnulration the area of the barrier Structure: Cracked brokers or Structure which bars attached tors darnaged - Structure bather attached to is loose pipe is Moose or cracked or concrete structure: is sound. cracked, broken of loose.. Bars Bar spacir g Sar spacing exceeds f inches, Bars have at most 6 inche spacing Damaged or missing Stars are bent out of shape more than 3 inches. liars in place with no bends more bars than IX inch, Bars are missing or entire barrier missing, Stars in place according to design, Bars are loose and rust is causing 50% Repair or replace barrier to design deteriorstion to any part of barrier. standards. 1/9/2009 2009 Surface Water Design Martuall - Appendix A A. -i2