RecDoc2025-044229 STMMA 879 Vista Drive Lot 1

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Exhibit C Inspection and Maintenance Checklist Biotreatment Area' Maintenance Plan for Parcel 2 — 879 Vista Drive, Redwood City, CA January 15, 2025 �4 Project Address and Cross Streets: Parcel 2 — ,5� i 879 Vista Drive, (Cross street isJeffersonAve.) �. f4 �.s� •,,� �. a •, .^ Biotreatment areas function as soil and plant - based filtration devices that remove pollutants through a variety of physical, biological, and chemical treatment processes. These facilities normally consist of a grass buffer strip, sand bed, ponding area, organic layer or mulch layer, planting soil, and plants. Assessor's Parcel No.: 057-312-100 Property Owner: 879 Vista Drive Partners LLC Phone No.: (650) 208-7700 Designated Contact: Dirk McGowan Phone No.: (650) 208-7700 Mailing Address: 940 Washinton Street San Carlos. CA 94070 The property contains 1 biotreatment area located as described below and as shown in the attached site plane. Biotreatment Area is located at the rear of the site. I. Routine Maintenance Activities The principal maintenance objective is to prevent sediment buildup and clogging, which reduces pollutant removal efficiency and may lead to biotreatment area failure. Routine maintenance activities, and the frequency at which they will be conducted, are shown in Table 1. 1 i Bioretention areas include linear treatment measures designed to filter water through biotreatment soils. A bioretention area that has no waterproof liner beneath it and has a raised underdrain in the underlying rock layer to promote infiltration, as shown in Section 6.1 of the C.3 Technical Guidance, may also be called a "bioinfiltration area". 2 Attached site plan must match the site plan exhibit to Maintenance Agreement. Page 1 ATTY/AGR.2025.095/879 Vista Drive Partners, LLC (879 Vista Dr (Lot 2) (Page 14 of 16)