2202 BROADWAY DUTCH BROS COFFEE 2017-04-05

Dutch Bros. Coffee Stormwater Site Plan Everett, Washington CITY OF EVERETT STORMWATER MANAGEMENT MANUAL Detention Ponds Date Drainage System Maintenance Activities and Conditions That Frequency Feature 1 1 1 1 Problem Conditions to Check For Should Exist M,S General Trash and Debris Any trash and debris which exceed 5 cubic Trash and debris cleared from site_ feet pert,404 square feet(this is about equal to the amount of trash it would take to fill up one 32 gallon garbage can).In general,there should be no visual evidence of dumping.If less than threshold all trash and debris will be removed as part of next scheduled maintenance_ A General Poisonous Any poisonous or nuisance vegetation which No danger of poisonous vegetation where Vegetation and may constitute a hazard to maintenance maintenance personnel or the public might noxious weeds personnel or the public.Any evidence of normally be_(Coordinate with the Snohomish noxious weeds as defined in the Snohomish County Health Department)Complete County Noxious Weeds fist. Apply eradication of noxious weeds may not be requirements of adopted integrated pest possible_Compliance with state or local management policies for the use of herbicides. eradication policies required M,S General Contaminants and Any evidence of oil.gasoline,contaminants or No contaminants or pollutants present Pollution other pollutants (Coordinate removal/cleanup with the City of Everett Surface Water Management 425-257- 8885 and/or DOE Spilt Response 845-424- 8802.) M General Rodent Holes If the facility is constructed with a dam or berm, Rodents removed and dam or berm repaired. took for rodent holes or any evidence of water (Coarthnate with Snohomish County Health piping through the dam or berm_ Department coordinate with Ecology Darn Safety Office if pond exceeds 10 acre-feet_) Ht General Seaver Dams Beaver darn results in an adverse change in Facility is returned to design function.Contact the functioning of the facility. the Washington Department of Fish and Wildlife to coordinate with a Nuisance Wildlife Control Operator. A General Insects When insects such as wasps and hornets Insects destroyed or removed from site.Apply interfere with maintenance actsrffies. insecticides in compliance with adopted integrated pest management policies. Date Drainage System Maintenance Activities and Conditions That Frequency Feature 1 1 1 1 Problem Conditions to Check For Should Exist A General Tree Growth and Tree growth and dense vegetation which Trees and vegetation that does not hinder Dense Vegetation impedes inspection,maintenance access or inspection or Maintenance activities. interferes with maintenance activity(i.e.,slope Harvested trees should be recycled into mulch mowing,silt removal,vectoring,or equipment or other beneficial uses(e.g.,alders for movements). firewood)_ A General Hazard Trees If dead,diseased,or dying trees are identfied Remove hazard trees (Use a certified Arborist to determine health of tree or removal requirements) S General Performance Check crest gauge against design Record reading. Notify City if not meeting expectations(see maintenance plan) design performance. M Side Erosion Erosion damage aver 2 inches deep where Slopes should be stabilized using appropriate Slopes of cause of damage is still present or where there erosion control measure(s);e.g.,rack Pond is potential far continued erosion. reinforcement_planting of grass,compaction. M.S Side Erosion Any erosion observed on a compacted berm If erosion is occurring on compacted berms a Slopes of embankment licensed civil engineer should be consulted to Pond resolve source of erosion. bT Storage Sediment Accumulated sediment that exceeds 14 Sediment cleaned out to designed pond shape Area percent of the designed pond depth unless and depth:pond reseeded if necessary to otherwise specified or affects inletting or control erosion_ (If sediment contamination is outletting condition of the facility. a potential problem.sediment should be tested regularly to determine leaching potential prior to disposal.) M Storage Liner(lf Applicable) Liner is visible and has more than three one- Liner repaired or replaced.liner is fray Area fourth inch holes in it covered. A Pond Settlements Any part of berm which has settled 4 inches Dike is built back to the design elevation. Berms lower than the design elevation.if settlement is (Dikes) apparent,measure berm to determine amount of settlement Settling can be an indication of more severe problems with the berm or outlet works.A licensed civil engineer should be consulted to determine the source of the settlement nArl roll/ n.,. IC