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i <br /> Manufactured Stormwater Treatment AAeasure Maintenance Plan for <br /> 640 Veterans Blvd,Redwood City,CA 54063 <br /> 10/31/12 <br /> Manufadured Sto�rrnn�ter TreatmeM Measures are PROPRIETARY treatment cfevices that tend to <br /> be�stalled bebw ground and operabe using some type of proprietaty�lesr media,hydrodynamic <br /> separation,or sedimerNatlon and screening. Common exarr�ples of manufactured treatment <br /> measures indude manufac�ured media fi�ers,inlet fiitars or dra�inserts,oiUwater separatars and <br /> hydrodynamic separators. In August 2004,the Regianal Watet Board's E�cecutive Office wrote a <br /> letter stating that a projed relyirig on inletfiliers or oiUwat+er separators as the sale treakmerrt <br /> measure vwuld be unlikely to rrieet the rr�ximum extent pradicable s�ndard of the National <br /> Polutarrt Discharge Elirrr�aUon System Permit. See the Countyvuide C.3 Technical Guidance <br /> br more information. <br /> Projed Address: 640 Vet��ns Blvd.Redwnod Citv.CA 94063 <br /> Assessor's Parcel No.: 052-284-450 <br /> Property Owner. BRE Prooerties Phone No.: C415)A45-8530 <br /> Desig�ted Coritact Kevin Ma Phone No.: (510)597-5333 <br /> Mailing Address:5815 Shellmound Wav Suite A.Emervville CA 94608 <br /> The property co�tains 2, Kristar Up-Flo Fifter units bcated as described bebw and as <br /> shown in the attached site plan'. <br /> � Stormwater TreatrneM Unit #1 (STU-1) is located at the west corner of the project at the <br /> irrtersec6on of Hopkins Ave and Wipow Street. <br /> • StormwaCer Treatment Unit #2 {STU-2) is bcated on the southwest side of the projed on <br /> Sarrison Strest. <br /> 1. Routi�Maintenance Aictivities <br /> The prindpal maiMenanoe objective is to prevent sediment buildup and clogging,which <br /> reduces pollutaM removal efficiency and rt�y lead M faik�re oi the manufadured tteatment <br /> measune. Routine mairrtenan� actnrities, and the frequency at which they will be <br /> conduct�ed,are shov4t�in Table 1. <br /> Table 1 <br /> Routine Maintenance Activities for Manufactured Trratment Measures <br /> No. Maintenancs task Froquancy of Task <br /> 1 Inspect for standing�ter,sediment,trash and debris. Monthfy during rainy sesson <br /> 2 Remave sediment,trash arxi debris from sedimentation As n�ded <br /> basin,risar pipe and fitter bod,using vador trudc mefhod. <br /> Dispose d sediment,tra5h,filters and debris properly. <br /> 3 Ensure that manufadured treatrnent measure drai�s After majw stortn events and� <br /> compidety wkfiin five days. needed_ <br /> 4 Insped aitlets to ensure proper draircage. Monthly during rainy seaso�,or as <br /> needed a�ter storm events <br /> 5 Folbw manufacturers gu�dines tior maintenanee and As per manufacturer's speeifications. <br /> tartridge repFacemeot. <br /> i f�ttached site plan must matc�i ihe site plan e�ibit to MeinG;nance Agrepnent. <br /> �„�,����.�,���,.�<�,a�e�.m���a��..r�,��x�� R�e 1 <br /> NDS f�pproved 12/SA07 <br /> ATTYlAGR/2013.004/640 VETERANS STORMWATER TREATMENT MEASURES MAINTENANCE AGREEMENT <br /> REV:01-09-13 VR <br /> Page 20 of 26 <br />