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6.1.13. - Page 55 <br />Flow -Through Planter Maintenance Plan for <br />601 EL CAMINO REAL <br />JUKE 15, 2018 <br />Flow-through planters are designed to treat and <br />temporarily detain runoff without allowing <br />seepage into the underlying soil. They typically <br />receive runoff via downspouts leading from the <br />roofs of adjacent buildings. <br />Project Address and Cross Streets <br />601 EL CAMINO REAL, REDWOOD CITY, CA 94063 <br />Assessor's Parcel No.: 052-271-010 & 052-271-020 <br />Property Owner: KB HOMES SOUTH -BAY <br />Phone No.: 926-983-4600 <br />Designated Contact: CHRISTOPHER MOI <br />Phone No.: 925-983-4522 <br />Mailing Address: 5000 EXECUTIVE PARKWAY <br />SAN RAMON, CA 94583 <br />The property contains 1 flow-through planter, located as described below <br />and as shown in the attached site plan: <br />Flow -Through Planter No. 1 is located on the main access road adjacent to Building A and D. <br />It consists of 2 separate areas, as shown on Exhibit B. <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. <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 3" deep and replenish as necessary. It is recommended <br />As needed <br />that composted arbor mulch be applied once per year to maintain the 3" <br />depth in all bare soil areas except within six inches of tree trunks. <br />4 Check that soil is at appropriate depth. Till or replace soil with the approved <br />Before wet season and as <br />biotreatment soil mix as necessary to maintain a minimum of 6 inches <br />necessary <br />between top of mulch and overflow weir. <br />5 Remove accumulated sediment, litter and debris from flow-through planter <br />Before wet season and as <br />and dispose of properly. Confirm that no clogging will occur and that the box <br />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 />Page 1 Updated 711116 <br />�A_IP?88.1341601 EI Camino STMMA <br />