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CI7Y OF EVERETT STORMWATER MANAGEMENT MANUAL _ <br /> Appendix F — Maintenance Checklists <br /> INSTRUCTIONS FOR USE OF MAINTENANCE CHECKLISTS <br /> The following pages contain maintenance needs (or most of the componeNs that may be pan of a <br /> drainage system. Those components thal are applicable to a particular project must be contained within <br /> the projecCs Maimenance Plan(sec Volume 1, Chapter 3.2.6H). The property owner sha'' olan ro <br /> complete a checklist for all system components on the following schedule: <br /> (M) Monthly from October through April. <br /> (A) Once in late summer(preferably September). <br /> (S) After any major stortn (use 1 inch in 24 hours as a guideline). <br /> Photocopies of these pages�hall be used and checked off for the problems looked for each time an <br /> inspection is completed. Comments on problems found and actions taken shall be noted. Some items do <br /> not need to be looked at every time an inspection is done. The suggested Gequency at the left of each <br /> item shall be used as a guideline Cor inspections. <br /> The"checked"shcets shall be kcpt by the property owner and made available to thz City upon rcqucst. <br /> The facility-spccific maintenance standards contained in this appendix are intended ro be conditions for <br /> detertnining if maintenance actions are required as identified through inspection. They are not intended lo <br /> be measures of the facility's required condition at all times between inspections. In otherµords, <br /> excecdance of these conditions at any time between inspections andlor maintenancc does not <br /> automatically constitute a violetion of these standards. However, based upon inspection observations,the <br /> inspection and maintenancc schedules shall be adjusted to minimiu the length of time that a facility is in <br /> a cor.dition that requires a maintenance action. <br /> Maintenance checklists are prov:ded for the following rypes of facilitieslstructurcs: <br /> DetentionPonds..............................................................................................................................3 <br /> Infiltra[ion Facilitics.........................................................................................................................6 <br /> Closed Detention Syslems(Tanks/Vaults).....................................................................................10 <br /> Control Structure/Flow Restrictor..................................................................................................12 � <br /> Catch �asins...................................................................................................................................14 <br /> Debris Barriers(c.g..Trash Racks)................................................................................................17 <br /> GncrSyDissipatcrs..........................................................................................................................18 <br /> Typical [3iofiltration Swalc............................................................................................................21 <br /> WetF3iofiltration Swales................................................................................................................23 <br /> FilterStrips.....................................................................................................................................2d <br /> WetPonds.......................................................................................................................................25 <br /> TreatmcnlWctlands.......................................................................................................................27 <br /> WetVaults.....................................................................................................................................31 <br /> Sand Filtcrs(aboveground/open) ...................................................................................................]3 <br /> Sand Filtcrs(bclow ground/enclosed)............................................................................................35 <br /> Stormfilter T*'Cut-In-Place, Precast,Linear Stortnfilter Units and Catch 8a5in Uniu................37 <br /> Baf(le Oil/Water Scparators(American Pctrolcum institutc [API] Type).....................................39 <br /> Coalescing Plate Oil/Water Separators ..........................................................................................41 <br /> Pencing/Shrubbery Screcn/Gther Landscaping..............................................................................43 <br /> Gates...............................................................................................................................................44 <br /> Appendices <br /> F-1 <br />