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.. <br />EXHIBIT D <br />" Needed Maintenance Conditions When MaintenancelsNee.ded <br />Trash or Debris Treatment nMP/Pervious Paving; Trash, c:lebris, or litter dttrilped oraccumulated in SMP.Vottex sep11rator <br />floatables should be removed accoJ'ding to maintenance plan, ChecJcfor mulch waslJQut. <br />Polllltants Treatment B.l\1P/Pervious Paving: Any evjdence of oil, gasoline; improper pesticide or fertilizer t1se, spiU, <br />or othel' visible po Uutants. . . <br />Rodent Holes Ex-tended Detention Basin: If facility acts as dam/berm, any evidenqe oftodent holes 01· water piping through.': <br />dam/betm via rodent holes. <br />Hazardous.Trees/ Brush . Extemied Detention Basin: Gl'owth does not allow access or intel'fereswith maintenance; dead, diseased or <br />dying trees .. Growth >4 ft high on berms/emergency spillway or coveting> 10% ofspilhvay. Pervious <br />. Paving: Root encroachmentor pavement lift. <br />Erosion or Scouring · Treatment BMP: Eroded or scoured bottom-due to flow channelization Ol' higher flows. Extendetl Detention <br />Basin: Side slopes eroded>2 inches deep where cause ofdamage is present 01.·there is potential fol'cont.fnued <br />erosion; Erosion on compacted berm embankment. Pervious Paving: Exposed native soil or other signs of <br />erosion at spillway. <br />Excessive Sediment Vegetated Swale/Bforetention: Sediment accumulated >2 inches deep on vegetation. Extended Detention <br />Basini: Accumulated sediment >10% of designated basin depth or affects inletting/outletting condition of <br />facility. J>ervious Paving: Clogging. <br />Liner Condition (ifvisible) Ex.tended Detention 1Jnsin: Lin.eds visible and has m<>re than 3 1 V4·inch holes in it. <br />Spill way/Berm Dam11,ged, Extended Detention Basin: Spillway and/or berm settlement is 4 inches lowel' than design elevation. Rock <br />Settled trtissi'ng & soil exposed at top of$p1Uway or outside slope, <br />Damaged Ti'ash Rack or Treatment BMPs: Trash/debl'is plugging openingsinbar:rier. Vortex Separator: Screendamaged. Extended <br />Scl'een Detentfon Basin: Bars missing, loose, bent out of shape or deteriorating due to excessive con·osion. <br />Inlet/Outlet Condition TreatmentBMPs/Pervious Paving:. Inlet/outlet areas clogged with sediment, vegetation and/or debris. Check <br />any bigh•flow byp11ss fot.cfogging. Extended Detention .Basin: Debris bmT1e1· missing or notattached to <br />pipe. AU: Missing or illegible '~No Dumping; Flows to Bay'1 signage at storm drain inlets. <br />Sectu·ity (fence, gates, and/or Treatm.ent BMPs: Any defect m· daPltlge to fence/gate th!lt prevents easy entry to the BMP and/ol' cover for <br />co.Vets) below s~U'foce BM:Ps. <br />Coating/J,laint Treatment :QMPs; Parts that are cotrodingor have scaling paint. <br />Standing Water Treatment 'BMPs/Pervious Paving: When water stands in BMP for longer than 72 hours between stotms and <br />does not drain freely, imless. this is prut of the BMPs' design. Check for irrigation problems. <br />Mosquitoes/Other Insects Treatment BMPs/Pervious Paving: If mosquito lru·vae are pl'esent in a BMP, contact the Alameda County <br />Mosquito Abatement Distrfotat (510) 783-7744 or htip://www.mosquitoes.org/ (in the dty of Albany contact <br />tile Alameda Cot1fity Vectol' Controi Sel'Vices Distdct). ll:lsects such as wasps and hornets interfere with <br />maintena11ce activlties• <br />Flow Spreader Vege(ated $\vale/Bioretenti<>n: Spreader llneven/clogged (flownonmiformly disttiboted ovel' entire swale <br />width). <br />Invasive Weedsol' Ext(}ticled D(}tendon.Uasin/In"tiltrationJlasin: E4amples. ,A.rundo, Castor l3ean, Cattails, Pampas Grass; <br />Vegetation Tamarisk; Willows. Morning GkH.y, English Ivy, Blackbeny,.ScotchSroorn, or Pois()n O&l<.. Vegetated <br />Swale/Bioretentfon: Planted vegetationbecomes excessivelytall; nuisance vegetation/weeds sta11 to take over. <br />Pervious Paving: Weeds injoints"of permeable joint paving; turf block not mowed per maintenance plan. <br />Poor Vegetation Coverage Treatment BMPs: Check fo1· mitlch failnre. Vegetated Swale/Turf blOck paving: When planted. vegetation <br /><90% is i.-parse; bare or eroded patches occurin > l 0% o f1tufblock or swale bottom. Bioretention: Ten pe1·ce11t of <br />plants have died and not beenl'eplaced. <br />Pedestrian Path VegetatedSwale/Bioretention: Pedestrian trails a1·e fo1ming 01· been established that are devegetating portion <br />De vegetation/ ofBMP and compactingsoil. <br />Compaction <br />Odor Treatmenf6MP$/Pervious Pnving: Any odor asso.ciated with the accumula1ion.and decomposition of <br />polhitants Qr other rnateriaUn the BMP thafis causing a nuisance. <br />Pervious PavementDefects. Any ofthe following: major cracks or trip h11zards, concrete spalling and raveling, cracked or broken pavers, <br />visible allm;egate loss betwi;ien pavel's, si1bstantial settlement of paved surface. <br />Last11pc41ted3/29!20J 6 (Firtal Approved by NOS)