RecDoc 2017-022479 STMMA_1629 Main Street_WL Butler Office Building_3.15.2017

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Flow -Through Planters Maintenance Plan Property Address: Date of Inspection: Treatment Measure No.: Table 2 Routine Maintenance Activities for Storm main Lift Station & Detention Pipe No. Table 1 Frequency of Task 1 Routine Maintenance AaBviffes for Flow-Ttrough Planters No. Maintenance Task Frequency ofTask 1 Evaluate health of bees and groundcover. Remove and replace all dead Twice a year and diseased vegetation. Treat vegetation using preventative and lcw tmdc Inspect Storm Drain lift station's sump and remove any buildup, sediment, Monthly during the wet season, methods. and any other debris. 2 Maintain vegetation and the Irrigation system. Prune and weed to keep flow- As needed Before wet season and as through planter neat and orderly In appearance. (Inspect biondention basin. Repair or replace any damaged or disconnected piping. 3 Check that mulch Is at appropriate depth (3 Inches per soil spe dfloations) Monthly Annually and replenish as necessary. any damage. Repair or replace as necessary. 4 Check that soli Is at appropriate depth. TNI or replace soil as necessary to Before wet season and as Monthly during the wet season, maintain a minimum of 5 inches between top of mulch and overflow %air. necessary 5 Remove accumulated sedlmenf. Maier and debris from flaw -through planter Monthly during the wet season, events and dispose of properly. Confirm that no dogging will occur and that the box and as needed after storm Monthly, or after large stone will drain YMn three to four hours. Test with garden hose to confirm that events events, and after removal of the planter will drain within three to four hours. 6 inspect NDB bubblers to ensure flow Is unimpeded Into the planter. Remove Before the wet season, and as debris and repair as necessary to allow the bubblers to property dsbibuts necessary now. 7 Inspect overflow trial and pipe to ensure that It will safely convey excess Monthly during the wet season, flays to storm drain. Repab or replace any damaged or dsconnected and as needed after storm piping. events 8 Inspect flow-through planter, including the deenout to ensure that box is Annually structurally sound (no cracks or leaks). Repair as necessary. g Inspect flow-through planter using the atmdwd inspection dheddisL Monthly, or after large storm events, and after remowai ef accumulated debris or material Table 2 Routine Maintenance Activities for Storm main Lift Station & Detention Pipe No. Maintenance Task Frequency of Task 1 Inspect Stam Drain lift station to ensure pump, Including the float switch, Is Ongodng functioning adequately. Inoperable pumps must be repaired or replaced Immediately. 2 Inspect Storm Drain lift station's sump and remove any buildup, sediment, Monthly during the wet season, and any other debris. and as needed after storm events 3 4" Storm Drain face main delivering water from the pump to the Before wet season and as (Inspect biondention basin. Repair or replace any damaged or disconnected piping. necessary 4 Inspect Stam Drain face main manhole structure, Inducting the grate, for Annually any damage. Repair or replace as necessary. 5 Inspect site detention pipe. Including storm Inlets for any damage, Including Monthly during the wet season, dogs, sediment, or any other debris. Repair or replace any damaged or and as needed after storm disconnected piping. events B Inspect storm drain lift station using the attached inspection list Monthly, or after large stone events, and after removal of accumulated debris or materiel Page 2 Page 24 of 32 REV: 01-26-17 PR