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Flow-Through Planter Maintenance Pian for <br /> Winslow Street Development <br /> 815 Hamilton Street�840 Middlefield Road <br /> 10-02-15 <br /> k :;��� �� "' Project Address and Cross Streets: <br /> 815 Hamifton Street 8� 840 Middlefield Road. Redwood <br /> � '`"� City, CA 94063 <br /> ;.: <br /> . � Assessor's Parcel No.: 052-365-060, -080. -090. -100 <br /> °�� Property Owner. Hamilton &Winslow Properties, LLC <br /> ;�.. <br /> � �"` ��`�� � � ��� � Phone No.: 650-364-�4933 <br /> ... <br /> , , <br /> °� `'�?v: e.e.ee � <br /> Fbw-through planters are Designated Contact: Robert Dean <br /> designed to treat and <br /> temporarily detaln runoff w�hout <br /> allowing seepage into the <br /> underlying soil. They typicaNy <br /> receive runoff via downspouts <br /> leading from the roofs of <br /> adjacent buildings. <br /> The property contains two(2)flow through planter(s), located as described below and as shown in <br /> the attached site plan: <br /> ■ Flow-Through Planter No. 1 is located at along the Westem and Northem edges of <br /> the 3rd floor open roof. <br /> ■ Flow-Through Planter No.2 is located in the middle of the 3�d floor open roof. <br /> I. Routine Maintenance Activities <br /> The principal maintenance objectives are to ensure that water flows unimpeded into the <br /> flow-through planter and landscaping remains attractive in appearance. Table 1 shows the <br /> routine maintenance activities, and the frequency at which they will be conducted. <br /> Table 1 <br /> Routine Maintenance Activities for Flow-Through Planters <br /> No. Maintenance Task Frequency of Task <br /> 1 Evaluate health of trees and groundcover. Remove and replace all dead Twice a year <br /> and diseased vegetation. Treat vegetation using preventative and low-toxic <br /> methods. <br /> 2 Maintain vegetatio�and the irrigation system. Prune and weed to keep flow- As needed <br /> through planter neat and orderly in appearance. <br /> 3 Check that mulch is at appropriate depth(3 inches per soil specifications) Monthly <br /> and replenish as necessary. <br /> 4 Check that soil is at appropriate depth. Till or replace sal as necessary to Before wet season and as <br /> maintain a minimum of 6 inches between top of mulch and overflow weir. necessary <br /> 5 Remove accumulated sediment,litter and debris from flow-through planter Before wet season and as <br /> and dispose of prope�ly. Confirm that no clogging will occur and that the box necessary <br /> will drain within three to four hours. <br /> 6 Inspect flow-through planter to ensure that there are no clogs. Test with Monthly during the wet season, <br /> garden hose to confirm that the planter will drain within three to four hours. and as needed after storm <br /> events <br /> ���lkfac�.wFt_MAL'�SOIA�:IG0.J6�060eci�Iefmmeiia�-RepurhCSro.aGrmS�stmSF'Neivlerw�ceEx6ibi!s'C3MtiartsaNttChecklist� Page 1 NDS Appr <br /> ATTY/AGR.2015.226/Hamilton&Winslow Properties, LLC <br />