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Flow-Through Planter Maintenance Plan for <br /> Design Tech Charter School <br /> June 3, 2016 <br /> { ■,•,9•1 ::1: 7. Project Address and Cross Streets <br /> > ja• t <br /> i 275 Oracle Parkway, Redwood City, CA 94065 <br /> 11 3 'M X l � /lY l <br /> u„1 , Assessor's Parcel No.: 095-040-999 <br /> (� rt, <br /> ' ® : / a Property Owner: Oracle America Inc. <br /> . one No.: <br /> y � <br /> Designated Contact: <br /> Mailing Address: 500 Oracle Parkway 50P-8 <br /> Flow-through planters are designed to treat and <br /> temporarily detain runoff without allowing Redwood Shores, CA 94065 <br /> seepage into the underlying soil. They typically <br /> receive runoff via downspouts leading from the <br /> roofs of adjacent buildings. <br /> The property contains 2 flow-through planter(s), located as described below and as shown in the <br /> attached C6.0 & C6.1 Stormwater Management Plan: <br /> • Flow-Through Planter No. 1 is located within DMA-04, northwest of the school. <br /> • Flow-Through Planter No. 2 is located within DMA-05, northwest of the school. <br /> • Flow-Through Planter No 3 is located within DMA-06, southwest of the school. <br /> • Flow-Through Planter No. 4 is located within DMA-07, north of the school. <br /> • Flow-Through Planter No. 5 is located within DMA-09 , northeast of the school. <br /> • Flow-Through Planter No. 6 is located within DMA-10, south of the school. <br /> • Flow-Through Planter No. 7 is located within DMA-11 , east of the school. <br /> • Flow-Through Planter No. 8 is located within DMA-12, southeast of the school. <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 vegetation 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 soil as necessary to Before wet season and as <br /> maintain a minimum of 6 inches between top of mulch and overflow weir. necessary <br /> • „ 402. 1∎ aa�60411 Aluzimsoce Eha fa KNOPDFSNUAP maxe cynortommova.wgmuctrenscucarP Page 1 <br /> ATrY/AGR/2016.160/CENTRUM OWNERS ASSOCIATION - STMMA <br /> REV: 06-22-16 JS <br />