Laserfiche WebLink
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! <br /> CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Date <br /> Drainage <br /> System Maintenance Activities and Conditions <br /> Frequency Feature ✓ ✓ ✓ ✓ Problem Conditions to Check For That Should Exist <br /> M Vegetation Noxious weeds Listed noxious vegetation is present. See the By law, noxious weeds must be removed <br /> Snohomish County noxious weed list. and disposed immediately. It is strongly <br /> encouraged that herbicides and pesticides <br /> not be used in order to protect water <br /> quality. <br /> Q Vegetation Weeds Weeds are present (unless on edge and Remove and dispose of weed material. It is <br /> providing erosion control) strongly encouraged that herbicides and <br /> pesticides not be used in order to protect <br /> water quality. <br /> Based on Irrigation Irrigation system (if Irrigation system present. Follow manufacturer's instructions for O&M <br /> manu- any) <br /> facturers <br /> instructions <br /> Weekly Irrigation Plant watering Plant establishment period (1-3 years). Water weekly during periods of no rain to <br /> (May— ensure plant establishment <br /> September) <br /> As Needed Irrigation Plant watering Longer term period (3+years). Water during drought conditions or more <br /> often if necessary to maintain plant cover <br /> Ongoing Spill Spill prevention Storage or use of potential contaminants in the Exercise spill prevention measures <br /> Prevention vicinity of facility. whenever handling or storing potential <br /> and contaminants <br /> Response <br /> As needed Spill Spill response Release of pollutants. Call to report any spill to Cleanup spills as soon as possible to <br /> Prevention the Washington Dept of Emergency prevent contamination of stormwater <br /> and Management 1-800-258-5990 <br /> Response <br /> At startup Training Training/written Training/written guidance is required for Provide property owners and tenants with <br /> and guidance proper O&M. proper training and a copy of the O&M <br /> Documenta Manual and Landscape and Maintenance <br /> tion Manual. <br /> A Safety Safety(slopes) Erosion of sides causes slope to exceed 1:4 or Take actions to eliminate the hazard <br /> otherwise becomes a hazard. <br /> Appendices <br /> F-57 <br />