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6.1 .A. - Page 70 <br /> Manufactured Stormwater Treatment Measure Maintenance Plan for <br /> 2075 Broadway Street <br /> Manufactured Stormwater Treatment Measures are PROPRIETARY treatment devices that tend to <br /> be installed below ground and operate using some type of proprietary filter media, hydrodynamic <br /> separation, or sedimentation and screening. Common examples of manufactured treatment <br /> measures include manufactured media filters, inlet filters or drain inserts, oil/water separators and <br /> hydrodynamic separators. In August 2004, the Regional Water Board's Executive Office wrote a <br /> letter stating that a project relying on inlet filters or oil/water separators as the sole treatment <br /> measure would be unlikely to meet the maximum extent practicable standard of the National <br /> Polutant Discharge Elimination System Permit. See the Countywide C.3 Technical Guidance <br /> (www.flowstobay.org)for more information. <br /> Project Address: 2075 Broadway Street <br /> Assessor's Parcel No.: 053-131-160 and 053-131-170 <br /> Property Owner: Lane- Broadway, LLC Phone No.: <br /> Designated Contact: Phone No.: <br /> Mailing Address: <br /> The property contains one (1) Detention Vault with Media Filter located as described <br /> below and as shown in the attached site plan'. <br /> ■ Detention Vault with Media Filter is located in the electrical room along Jefferson Avenue. <br /> I. Routine Maintenance Activities <br /> The principal maintenance objective is to prevent sediment buildup and clogging, which <br /> reduces pollutant removal efficiency and may lead to failure of the manufactured treatment <br /> measure. Routine maintenance activities, and the frequency at which they will be <br /> conducted, are shown in Table 1. <br /> Table 1 <br /> Routine Maintenance Activities for Manufactured Treatment Measures <br /> No. Maintenance Task Frequency of Task <br /> 1 Inspect for standing water,sediment,trash and debris. Monthly during rainy season <br /> 2 Remove sediment,trash and debris from sedimentation As needed <br /> basin,riser pipe and filter bed,using vactor truck method. <br /> Dispose of sediment,trash,filters and debris properly. <br /> 3 Ensure that manufactured treatment measure drains After major storm events and as <br /> completely within five days. needed. <br /> 4 Inspect outlets to ensure proper drainage. Monthly during rainy season,or as <br /> needed after storm events <br /> 5 Follow manufacturer's guidelines for maintenance and As per manufacturer's specifications. <br /> cartridge replacement. <br /> 6 Inspect manufactured treatment measure,using the Monthly,or after large storm events, <br /> attached inspection checklist. and after removal of accumulated <br /> debris or material <br /> Attached site plan must match the site plan exhibit to Maintenance Agreement. <br /> tom..VZ, &O iLppGo9vuvu(M,vWo-eVa,enplale5.10 do Page 1 NDS Approved 12/5/07 <br /> ATTY/AGR.2017.203/Lane Partners, LLC-STMMA <br />