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HomeMy WebLinkAboutRC 20181206000031Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-1 of 20 Record Date:12/6/2018 8:39 AM Electronically Recorded King County, WA City Clerk's Office City of Renton 1A, �"ill-1110' "i FOR INSPECTION AND MAINTENANCE OF DRAINAGE FACILITIES AND ON -SITE EIMPS I Grantee: Citv of Renton, a Washington municipal corporation Legal Description: A. a o of the NE quarter of the NW quarter of Section 15, Township 23, Range 5 East, Willamette Meridian, King County, Washington. See Exhibit C for full legal. Assessor's Tax Parcel lD#: 152305-9002 and 152305-9178 ►1111111111111111111111 Ji Jill iii 1111 11�1111 ;l I 1�111 ! 111111 aro i �11� [:] Residential Building Permit [:]Commercial Building Permit [—]Clearing and Grading Permit Z Civil Construction or Utility Permit for Permit(s) U 15008468 _(ConstructionlBuildinglUtility perrill relating tot he rea I 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 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: �p�111111II 1 11111101111:i3i'llz•Z 1141111 • 7*707 �Xlt re IM MW fr6w, rt-rcl I -L i M-5-alf-CMWOR as required in the approved construction plans and specifications U15008468, R3896 _ (project Plan #) on file with the City of Renton and submitted to the City of Renton for the review and approval of permit(s) Ul 5008468 (ConstructionlBuildirl Perni 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: 20181206000031 Document:COV Rec: $118.00 Page-2 of 20 Record Date:12/6/2018 8:39 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 4r modifications to the drainage facilities referenced in this Declaration of Covenant. Instrument Number: 20181206000031 Document:COV Rec: S118.00 Page-3 of 20 Record Date:12/6/2018 8:39 AM 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 assie qns. 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. STATE OF WASHINGTON COUNTY OF KING )ss. On this day personally appeared before me: re to me known to be the individual(s) described �land �who `execute�dhe within and fore oing instrument and acknowledged that they signed the same as theirfree and voluntary act and deed, forthe uses and purposes therein stated. Given under my hand and official seal this 4- of 20 VON 40s Printed na e 5 Z \0 - 0 Notary Public in and for the State of AZ Washington, residing at kV My appointment expires -iQ-LL9. --Zc.) Page 3 of 20 Instrument Number: 20181206000031 Document:COV Rec: S118.00 Page-4 of 20 Record Date:12/6/2018 8:39 AM King County, WA EXHIBIT A E � o - ;DOWNSPO°UT (7p) r I STORAGE ONE I.__.-_ _ i s BUILDING DS STORM DRAIN < CLE.ANOUT 1 i r., ��_ GRASSED MODULAR DS CATCH BASIN I ---- a GRID PAVEMENT (TYP)=`� __ a_- I WITH UNDERDRAIN c� DS Sl-ORM DRAIN m PERVIOUS PAVEMENT Cl_EANOUT DS (PARKING STALLS) ie I I ki I r -- ." --- r o� RAINGARDEN I I `fJ-STORM DRAIN I//—✓lf ,CLEANOUT 'ONTROL I / EQUALIZER STRUCTURE Illlw PERVIOUS PIPES � I A HOLE wil I. — `w—PAVEMENT (TYP) J x IiDULA Illlj I I III -STORM DRAIN ~ -.._ Ii WETLAND'IIn I II YSTEM III .4,... PIPES I If If I 6a. _�� (TYP) rev lilt! / ) DS %. - CD _ u> __ ----- S® ___., RAINGARDEN C STORMWATER LBIRDCAGE ... -X.I N_ i DETENTION POND MANFit7t_E a- WITH EMERGENCY 2 OVERFLOW STRUCTURE Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-5 of 20 Record Date:12/6/2018 8:39 AM King County, WA i�i�ti�t�.Z�lr��l+�i[�7'►ffrl��f� :` = !� : r►t��f*7Td « route that runoff« . e piping to the southwest corner of the site where runoff enters a detention pond which provides flow control for the new land covers on the project site. Level 2 Flow Control is the required means of providing Flow Control for this project. Water quality treatment will be provided in a modular wetland to meet the City of Renton's Enhanced Basic Quality. the pond, which nas a riser pipe inside ot it that releases runoFf at a slow rate anci tenclS to baCK up water in the pond during peak storm events. The release to the downstream drainage course is also through the modularto the existing wetland constructed.All facilities on the project site should be maintained on a regular basis of at least twice a year at an interval of every six months. Should vegetation become sparse or should it die out, then it site was initially maintenanceThe following pages of this report delineate the requirements for flow control, conveyance, and water quality facilities maintenance. Please refer to these documents when performing your on project Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-6 of 20 Record Date:12/6/2018 8:39 AM King County, WA 1) Inspect cables and cable entry for damage and/or leaks 2) Check motor insulation, 3) Check external parts (screws, bolts and nuts are tight) 4) Check seal chamber oil 5) Check impeller for wear or damage 6) Inspect floats and switches and test that the pump(s) are starting and stopping at the set elevations 7) Operate pumps and test the operating release rate(s) to ensure the pump(s) are functioning properly Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-7 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. I — DETENTION PONDS 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 foot Trash and debris cleared from site. per 1,000 square feet (this is about equal to the amount of trash it would take to fill up one standard size office garbage can). In general, there should be no visual evidence of dumping. Noxious weeds Any noxious or nuisance vegetation which may 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 of contaminants 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 oil film. Grass/groundcover Grass or groundcover exceeds 18 inches in Grass or groundcover mowed to a height. height no greater than 6 inches. Top or Side Slopes Rodent holes Any evidence of rodent holes if facility is acting Rodents removed or destroyed and of Dam, Berm or as a dam or berm, or any evidence of water dam or berm repaired. Embankment piping through dam or berm via rodent holes. Tree growth Tree growth threatens integrity of slopes, does Trees do not hinder facility not allow maintenance access, or interferes with performance or maintenance maintenance activity. If trees are not a threat or activities. not interfering with access or maintenance, they do not need to be removed. Erosion Eroded damage over 2 inches deep where cause Slopes stabilized using appropriate of damage is still present or where there is erosion control measures. If erosion potential for continued erosion. Any erosion is occurring on compacted slope, a observed on a compacted slope, licensed civil engineer should be consulted to resolve source of erosion. Settlement Any part of a dam, berm or embankment that has Top or side slope restored to design settled 4 inches lower than the design elevation. dimensions. If settlement is significant, a licensed civil engineer should be consulted to determine the cause of the settlement. Storage Area Sediment Accumulated sediment that exceeds 10% of the Sediment cleaned out to designed accumulation designed pond depth. pond shape and depth; pond reseeded if necessary to control erosion. Liner damaged Liner is visible or pond does not hold water as Liner repaired or replaced. (if Applicable) designed. Inlet/Outlet Pipe. Sediment Sediment filling 20% or more of the pipe, Inletloutlet pipes clear of sediment. accumulation Trash and debris Trash and debris accumulated in inlettOutlet No trash or debris in pipes. pipes (includes floatables and non-floatables). Damaged Cracks wider than''/2-inch at the joint of the No cracks more than '/,Inch wide at inlet/outlet pipes or any evidence of so!] entering the joint of the inlettoutlet pipe. at the joints of the inlet/outlet pipes. Emergency Tree growth Tree growth impedes flow or threatens stability of Trees removed. Overflow/Spillway spillway. Rock missing Only one layer of rock exists above native soil in Spillway restored to design area five square feet or larger or any exposure of standards. native soil on the spillway. APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES Page 7 of 20 Instrument Number: 20181206000031 Document:COV Rec: S118.00 Page-8 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 4 — CONTROL STRUCTURE/FLOW REST RICTOR Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When Component Maintenance is Performed Structure Trash and debris Trash or debris of more than X. 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 in the structure that exceeds '13 No trash or debris in the Structure. the depth from the bottom of basin to invert the lowest pipe into or out of the basin. Deposits of garbage exceeding I cubic foot in No condition present which would volume. 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-T section or is within 6 inches of the invert of the lowest pipe into or out of the structure or the bottom of the FROP-T section, Damage to frame Corner of frame extends more than % inch past Frame is even with curb. and/or top slab 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 '/, inch. Frame not sitting flush on top slab, i.e., Frame is sitting flush on top slab. separation of more than 1/4 inch of the frame from the top slab. Cracks in walls or Cracks wider than 1/2 inch and longer than 3 feet, Structure is sealed and structurally bottom any evidence of soil particles entering structure sound. through cracks, or maintenance person judges that structure is unsound. Cracks wider than Y� inch and longer than 1 foot No cracks more than '/4 inch wide at at the joint of any inletloutlet pipe or any evidence the joint of inlet/outlet pipe. of soil particles entering structure through cracks. Settlement/ Structure has settled more than 1 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 1/2-inch at the joint of the No cracks more than X-inch wide at inlet/outlet pipes or any evidence of soil entering the joint of inletloutlet pipes. the structure at the joint of the inlettoutlet pipes. Contaminants and Any evidence of contaminants 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 oil film. Ladder rungs missing Ladder is unsafe due to missing rungs, Ladder meets design standards and or unsafe misalignment, rust, cracks, or sharp edges. allows maintenance person safe access. FROP-T Section Damage T section is not securely attached to structure T section securely attached to wall wall and outlet pipe structure should support at and outlet pipe, least 1,000 lbs of up or down pressure. Structure is not in upright position (allow up to Structure in correct position. 10% from plumb). Connections to outlet pipe are not watertight or Connections to outlet pipe are water show 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 structure. designed holes. Cleanout Gate, Damaged .7, missing Cleanout gate is missing. Replace cleanout gate. fiE� Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-9 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 4 — CONTROL STRUCTURE/FLOW RESTR!CT OR Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When Component Maintenance is Performed Cleanout gate is not watertight. Gate Is watertight and works as designed. Gate cannot be moved up and down by one Gate moves up and down easily and maintenance person, is watertight. Chain/rod leading to gate is missing or damaged. Chain is in place and works as designed. Orifice Plate Damaged or missing Control device is not working properly due to Plate is in place and works as missing, out of place, or bent orifice plate. designed. Obstructions Any trash, debris, sediment, or vegetation Plate is free of all obstructions and blocking the plate. works as designed. Overflow Pipe Obstructions Any trash or debris blocking (or having the Pipe is free of all obstructions and potential of blocking) the overflow pipe. works as designed. Deformed or damaged Lip of overflow pipe is bent or deformed. Overflow pipe does not allow lip overflow at an elevation lower than design Inlet/Outlet Pipe Sediment Sediment filling 20% or more of the pipe. inlet/outlet pipes clear of sediment. accumulation Trash and debris Trash and debris accumulated in inlet/outlet No trash or debris in pipes. pipes (includes floatables and non-floatables). Damaged Cracks wider than '/�-inch at the joint of the No cracks more than Yinch wide at inlettoutlet pipes or any evidence of soil entering the joint of the inlet/outlet pipe. at the joints of the inlet/outlet pipes. Metal Grates Unsafe grate opening Grate with opening wider than'/8 inch. Grate opening meets design (if Applicable) standards. Trash and debris Trash and debris that is blocking more than 20% Grate free of trash and debris. of grate surface. footnote to guidelines for disposal Damaged or missing Grate missing or broken member(s) of the grate. Grate is in place and meets design standards. Manhole Cover/Lid Cover/lid not in place Cover/lid is missing or only partially in place. CoverAld protects opening to Any open structure requires urgent structure. 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 cover/lid does not work. Cover/lid difficult to One maintenance person cannot remove Cover/lid can be removed and Remove cover/lid after applying 80 lbs. of lift. reinstalled by one maintenance Z23EM Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-10 of 20 Record Date:12/6/2018 8:39 AM King County, WA 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 1/2 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 113 the depth from the bottom of basin to invert the No trash or debris in the catch basin. lowest pipe into or out 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 1 cubic foot in No condition present which would volume. attract or support the breeding of insects or rodents. Damage to frame Corner of frame extends more than 3K inch past Frame is even with curb. and/or top slab 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 '/. inch. Frame not sitting Rush 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 1/7. inch and longer than 3 feet, Catch basin is sealed and bottom any evidence of sail particles entering catch structurally sound. basin through cracks, or maintenance person judges that catch basin is unsound. Cracks wider than'/ inch and longer than 1 foot No cracks more than '14 inch wide at at the joint of any inlet/outlet pipe or any evidence the joint of inletioutlet pipe. of soil particles entering catch basin through cracks. Settlement/ Catch basin has settled more than 1 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 1/2-inch at the joint of the No cracks more than'/,inch wide at inlet/outlet pipes or any evidence of soil entering the joint of inlettoutlet pipes. the catch basin at the joint of the inletioutlet pipes. Contaminants and Any evidence of contaminants 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 oil film. Inlet/Outlet Pipe Sediment Sediment filling 20% or more of the pipe. Inlet/outlet pipes clear of sediment. accumulation Trash and debris Trash and debris accumulated in inlet/outlet No trash or debris in pipes, pipes (includes floatables and non-floatables). Damaged Cracks wider than'/2-inch at the joint of the No cracks more than '/,inch wide at inlet/outlet pipes or any evidence of soil entering the joint of the inlet/outlet pipe. at the joints of the inlettoutlet pipes. lamsom Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-11 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 5 - CATCH BASINS AND MANHOLES Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When Component Maintenance is Performed Metal Grates Unsafe grate opening Grate with opening wider than % inch. Grate opening meets design (Catch Basins) standards. Trash and debris Trash and debris that is blocking more than 20% Grate free of trash and debris. of grate surface. otnote to guidelines for disposal Damaged or missing Grate missing or bro an member(s) of the grate. Grate is in place and meets design Any open structure requires urgent standards. maintenance. Manhole Cover/Lid Coverllid not in place Covertlid is missing or only partially in place. Cover/lid protects opening to Any open structure requires urgent structure. maintenance. Locking mechanism Mechanism cannot be opened by one Mechanism opens vVith proper tools. Not Working maintenance person with proper tools. Bolts 1 cannot be seated. Self-locking cover/lid does not work. —C.ver/lid difficult to One maintenance person cannot remove Cover/lid can be removed and Remove cover/lid after applying 80 lbs. of lift. reinstalled by one maintenance _RLperson. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-12 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 6 — CONVEYANCE PIPES AND DITCHES Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Pipes Sediment & debris Accumulated sediment or debris that exceeds Water flows freely through pipes. accumulation 20% of the diameter of the pipe. Vegetation/roots Vegetation/roots that reduce free movement of Water flows freely through pipes. water through pipes. Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BIMPs implemented if appropriate. No contaminants present other than a surface oil film. Damage to protective Protective coating is damaged; rust or corrosion 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 20% or is determined to have weakened structural integrity of the pipe. Ditches Trash and debris Trash and debris exceeds 1 cubic foot per 1,000 Trash and debris cleared from square feet of ditch and slopes. ditches. Sediment Accumulated sediment that exceeds 20% of the Ditch cleaned/flushed of all sediment accumulation design depth. and debris so that it matches design. Noxious weeds Any noxious or nuisance vegetation which may 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 of contaminants 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 oil film. Vegetation Vegetation that reduces free movement of water Water flows freely through ditches. through ditches. Erosion damage to Any erosion observed on a ditch slope. Slopes are not eroding. slopes Rack lining out of One layer or less of rock exists above native soil Replace rocks to design standards. place or missing (If area 5 square feet or more, any exposed native Applicable) soil. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-13 of 20 Record Date:12/6/2018 8:39 AM King County, WA O. 9 — FENCING Maintenance Defect or Problem Conditions When Maintenance Is Needed Results Expected When Component Maintenance is Performed Site Erosion or holes Erosion or holes more than 4 inches high and 12- No access under the fence. under fence 18 inches wide permitting access through an opening under a fence. Wood Posts, Boards Missing or damaged Missing or broken boards, post out of plumb by No gaps on fence due to missing or and Cross Members parts more than 6 inches or cross members broken broken boards, post plumb to within 1 % inches, cross members sound. Weakened by rotting Any part showing structural deterioration due to All parts of fence are structurally or insects rotting or insect damage sound. Damaged or failed Concrete or metal attachments deteriorated or Post foundation capable of post foundation unable to support posts. supporting posts even in strong wind. Metal Posts, Rails Damaged parts Post out of plumb more than 6 inches. Post plumb to within I Y2 inches. and Fabric Top rails bent more than 6 inches. Top rail free of bends greater than 1 inch. Any part of fence (including post, top rails, and Fence is aligned and meets design fabric) more than I foot out of design alignment. standards. Missing or loose tension wire. Tension wire in place and holding fabric. Deteriorated paint or Part or parts that have a rusting or scaling Structurally adequate posts or parts protective coating condition that has affected structural adequacy. with a uniform protective coating. Openings in fabric Openings in fabric are such that an 8-inch diameter ball could fit through, Fabric mesh openings within 50% of grid size. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-14 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 10 — GATES/BOLLARDSIACCESS BARRIERS Maintenance Defect or Problem Conditions When Maintenance is Needed Component Chain Link Fencing Damaged or missing Missing gate. Gates in place. Gate members Broken or missing hinges such that gate cannot Hinges Intact and Rom..: Gate is be easily opened and closed by a maintenance working freely. person, Gate is out of plumb more than 6 inches and Gate is aligned and vertical. more than 1 foot out of design alignment._____ Missing stretcher bar, stretcher bands, and ties. Stretcher bar, bands, and ties in place. Locking mechanism hmainss'sim Locking device missing, no -functioning or does Locking mechanism prevents does ni ai oporoessnesd fsgwparient evg.e iooncr fabric f OdCmirpaiosemssnisnintgbegrwtwe hd.na ao toearsn nepcdrhe, ell d fistg Bar Gate ng gb''ngoeamdr. ebpacseabo aroos rb danisopitthe c Cross s b in! bgaanord -w g' ' ly p lyvaancdc rd..!ed cODrapomesnsa nrunitcol hihsneurgorceuoh t.t nl800-stivisent r o E nftusl ar in eohpicelne nd prvnfts*vhi, ess, vehicle access. I Locking mechanism Locking device missing, no -functioning or does Locking mechanism prevents does not lock gate not link to all parts. opening of gate. Support post Support post does not hold cross bar up. ad access into facility. Damaged or missing Bollard broken, missing, does not fit into support No access for motorized vehicles to hole or hinge broken or missing. 0 fa Ii get into facility. 'at nt ty Does ot lock Locking assembly or lock missing or cannot be No access for motorized vehicles to 0 cc ss fo attached to lock bollard in place. . get into facility. l f VINT., s r Motorized vehicles to No access for motorized vehicles to ErI:: access. 1g, get into facility. ty Circumvented 11 Motorized vehicles going around or between No access for motori hi.le 4 zed v. to I boulders. let 0 f'c' ity ge , t �into facility. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-15 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 11 — GROUNDS (LANDSCAPING) Maintenance Defect or Problem Conditions When Maintenance Is Needed Results Expected When Component Maintenance Is Performed Site Trash or litter Any trash and debris which exceed I cubic foot Trash and debris cleared from site. per 1,000 square feet (this is about equal to the amount of trash it would take to fill up one standard size office garbage can). In general, there should be no visual evidence of dumping. Noxious weeds Any noxious or nuisance vegetation which may 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 of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint, according to applicable regulations. Source control BlVlPs implemented if appropriate. No contaminants present other than a surface oil film. Grass/groundcover Grass or groundcover exceeds 18 inches in Grass or groundcover mowed to a height. height no greater than 6 inches. Trees and Shrubs Hazard Any tree or limb of a tree identified as having a No hazard trees in facility. potential to fall and cause property damage or threaten human life. A hazard tree Identified by a qualified arborlst must be removed as soon as possible. Damaged Limbs or parts of trees or shrubs that are split or Trees and shrubs with less than 5% broken which affect more than 25% of the total of total foliage with split or broken foliage of the tree or shrub. limbs. Trees or shrubs that have been blown down or No blown down vegetation or knocked over. knocked over vegetation, Trees or shrubs free of injury. Trees or shrubs which are not adequately Tree or shrub in place and supported or are leaning over, causing exposure adequately supported; dead or of the roots. diseased trees removed. Wr� Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-16 of 20 Record Date:12/6/2018 8:39 AM King County, WA NO. 17 - WETVAU LT Maintenance Defect or Problem Condition When Maintenance Is Needed Results Expected When Component Maintenance Is Performed Site Trash and debris Trash and debris accumulated on facility site. Trash and debris removed from facility site. Treatment Area Trash and debris Any trash and debris accumulated in vault No trash or debris in vault. (includes floatables and non-ficatables). Sediment Sediment accumulation in vault bottom exceeds No sediment in vault. accumulation the depth of the sediment zone plus 6 inches. Contaminants and Any evidence of contaminants 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 oil film. Vault Structure Damage to wall, Cracks wider than ''-inch, any evidence of soil Vault is sealed and structurally frame, bottom, and/or entering the structure through cracks, vault does sound. top slab not retain water or qualified inspection personnel determines that the vault is not structurally sound. Baffles damaged Baffles corroding, cracking, warping and/or Repair or replace baffles or walls to showing signs of failure or baffle cannot be specifications. removed. Ventilation Ventilation area blocked or plugged. No reduction of ventilation area exists. Inlet/Outlet Pipe Sediment Sediment filling 20% or more of the pipe. Inletloutlet pipes clear of sediment. accumulation Trash and debris Trash and debris accumulated in inlettoutiet No trash or debris in pipes. pipes (includes floatables and non-floatables). Damaged Cracks wider than A. -Inch at the joint of the No cracks more than '/,inch wide at inlet/outlet pipes or any evidence of soil entering the joint of the inlet(outiet pipe. at the joints of the inletloutlet pipes. Gravity Drain Inoperable valve Valve will not open and close. Valve opens and closes normally. Valve won't seal Valve does not seal completely. Valve completely seals closed. Access Manhole Access cover/lid Access coverilid cannot be easily opened by one Access cover/lid can be opened by damaged or difficult to person. Corrosionideformation of coverflid, one person. open 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 cover/lid does not work. Coverflid difficult to One maintenance person cannot remove Coverilid can be removed and remove cover/lid after applying 80 lbs of lift, reinstalled by one maintenance person. Access doors/plate Large access doors not flat and/or access Doors close flat and covers access has gaps, doesn't opening not completely covered. opening completely. cover completely Lifting Rings missing, Lifting rings not capable of lifting weight of door Lifting rings sufficient to lift or rusted or plate. remove door or plate. Ladder rungs unsafe Missing rungs, misalignment, rust, or cracks. Ladder meets design standards. Allows maintenance person safe access. gmmulm Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-17 of 20 Record Date:12/6/2018 8:39 AM King County, WA I • Remove Trash average maintenance interval is 6 to 12 months. a (5 minute average service time). • Remove Sediment from Se Chamber--,average maintenance interval is 12 to 24 months. 10 minute average service time). • Replace Cartridge Filter Media -average maintenance interval 12 to 24 months, IR ( 10- 15 minute per cartridge average service time). • Re lace Drain Down Filter Media. - average maintenance interval is 12 to 24 months, a (5 minute average service time), • Trim Vegetation -average maintenance interval is 6 to 12 months. . (Service time varies). Page 17 of 20 Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-18 of 20 Record Date:12/6/2018 8:39 AM King County, WA M 1 . Remove grate or manhole cover to gain access to the screening device in the Pre - Treatment Chamber. Vault type units do not have screening device. Maintenance can be performed without entry. 2. Remove all pollutants collected by the screening device. Removal can be done manually or with the use of a vacuum truck. The hose of the vacuum truck will not damage the screening device. 3. Screening device can easily be removed from the Pre -Treatment Chamber to gain access to separation chamber and media filters below. Replace grate or manhole cover when completed. 1 . Perform maintenance procedures of screening device listed above before maintaining the separation chamber. Z With a pressure washer spray down pollutants accumulated on walls and cartridge filters. 3. Vacuum out Separation Chamber and remove all accumulated pollutants. Replace screening device, grate or manhole cover when completed. 1 . Perform maintenance procedures on screening device and separation chamber before maintaining cartridge filters. 2. Enter separation chamber. 3. Unscrew the two bolts holding the lid on each cartridge filter and remove lid. 4. Remove each of 4 to 8 media cages holding the media in place. 5. Spray down the cartridge filter to remove any accumulated pollutants. 6. Vacuum out old media and accumulated pollutants. 7. Reinstall media cages and fill with new media from manufacturer or outside supplier. Manufacturer will provide specification of media and sources to purchase. 8. Replace the lid and tighten down bolts. Replace screening device, grate or manhole cover when completed. 1. Remove hatch or manhole cover over discharge chamber and enter chamber. OF. Unlock and lift drain down filter housing and remove old media block. Replace with new media block. Lower drain down filter housing and lock into place. 3. Exit chamber and replace hatch or manhole cover. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-19 of 20 Record Date:12/6/2018 8:39 AM King County, WA 1 . Following maintenance and/or inspection, it is recommended the maintenance operator prepare a maintenance/inspection record. The record should include any maintenance activities performed, amount and description of debris collected, and condition of the system and its various filter mechanisms. 2. The owner should keep maintenance/inspection record(s) for a minimum of five years from the date of maintenance. These records should be made available to the governing municipality for inspection upon request at any time. 3. Transport all debris, trash, organics and sediments to approved facility for disposal in accordance with local and state requirements. 4. Entry into chambers may require confined space training based on state and local regulations. 5. No fertilizer shall be used in the Biofiltration Chamber. S. Irrigation should be provided as recommended by manufacturer and/or landscape architect. Amount of irrigation required is dependent on plant species. Some plants may require irrigation. Instrument Number: 20181206000031 Document:COV Rec: $118.00 Page-20 of 20 Record Date:12/6/2018 8:39 AM King County, WA .,, EAST,THE EAST 230 FEET OF THE NORTH HALF OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF THE NORTHWEST QUARTER OF SECTION 15, TOWNSHIP 23 NORTH, RANGE 5 WILLAMETTE MERIDIAN, ,;l COUNTY EXCEPT: NORTHTHE E 128TH STREETDEED RECORDED OD UNDER RECORDING NUMBER 5849731. PARCEL B: THE EAST 330 FEET OF THE NORTH .HALF OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF THE NORTHWEST QUARTER OF SECTION 15, TOWNSHIP 23 NORTH, RANGE 5 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY WASHINGTON. EXCEPT: THE EAST 230 FEET THEREOF. ALSO EXCEPT: THE NORTH 190 FEET THEREOF.