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Exhibit "C" <br />Inspection and Maintenance Checklist <br />Silva Cell Maintenance Plan for <br />610 Walnut <br />Project Address & Cross Streets: 610 Walnut <br />Street, Cross Street: Bradford Street <br />Assessor's Parcel No: 052-377-100 <br />Property Owner: Windy Hill Property Ventures <br />Phone No.: 650.248.3584 <br />Designated Contact: Mike Field <br />Phone No.: 650.248.3584 <br />Mailing Address: 530 Emerson Street, Suite <br />150, Palo Alto, CA 94301 <br />The Silva Cell is a modular suspended pavement system that uses soil volumes to support <br />large tree growth and provide powerful on-site stormwater management through <br />absorption, evapotranspiration, and interception. <br />The property contains two (2) Silva Cell installations, located as described below. <br />• Silva Cell Area TCM -2 is located on the Bradford Street frontage. <br />• Silva Cell Area TCM -3 is located on the Walnut Street frontage. <br />I. Routine Maintenance Activities <br />The principal maintenance objective is to prevent sediment buildup and clogging, which reduces <br />pollutant removal efficiency and may lead to tree well filter failure. Routine maintenance activities, <br />and the frequency at which they will be conducted, are shown in Table 1. <br />Table 1: Silva Cell Maintenance Guidelines <br />Page 1 <br />ATTY/AGR.2020.075/VVindy Hill PV Five CM, LLC (Page 12 of 21) <br />Recommended Frequency_Condition <br />when <br />Routine <br />Inspection <br />Maintenance is <br />Recommended <br />Com onent <br />Inspection <br />Maintenance <br />Activity <br />Triggered <br />Maintenance Actions <br />Silva Cell Units <br />Facility shows <br />signs of damage <br />from external <br />source (i.e., <br />excessive loading <br />Repair damaged component <br />Frames (or <br />from the surface, <br />(refer to the Protection and <br />base and <br />nearby <br />Maintenance section of the <br />posts) and <br />not <br />construction, or <br />Silva Cell Operations <br />deck <br />1 As needed <br />None <br />applicable <br />similar) <br />Manual) <br />Checkfor <br />clogging, <br />Evidence of <br />standing <br />clogging, standing <br />Spring, Fall, <br />water, <br />water, <br />and after <br />sediment, <br />accumulation of <br />Tree <br />major <br />trash, and <br />sediment, debris, <br />opening I <br />storms <br />As needed I <br />debris I <br />or trash <br />As needed <br />Page 1 <br />ATTY/AGR.2020.075/VVindy Hill PV Five CM, LLC (Page 12 of 21) <br />