Check whether the outlet is clogged Standing water is present after the Check whether the perforated riser design drain time Y__ is clogged 1 The observed drain time is N__ Clear and remove any clogs approximately _________ hours. Remove any sediment buildup Work Order # ______________ Check if standing water is present A physical barrier such as foam or mesh may be installed after careful Y__ hydraulic analysis of clogging 2 Mosquito breeding N__ Refer to the county’s mosquito B1 control agencies for guidance Surface Wetland Work Order # __________ Y__ Excessive dead vegetation on Remove dead vegetation according 3 wetland surface to the Landscaping Plan N__ Clean pretreatment system Y__ Excessive sediment, silt, or trash 4 Remove silt, sediment, and trash accumulation on wetland surface N__ Work Order # __________ Check whether the flow bypass or diversion device is clogged Y__ Erosion or channelization is present 5 Check if excessive sediment on the on wetland surface N__ side of the wetland Work Order # __________ Note:
B1 Surface Wetland 1 Standing water is present after the design drain time The observed drain time is approximately _________ hours. Y__ N__ Check whether the outlet is clogged Check whether the perforated riser is clogged Clear and remove any clogs Remove any sediment buildup Work Order # ______________ 2 Mosquito breeding Y__ N__ Check if standing water is present A physical barrier such as foam or mesh may be installed after careful hydraulic analysis of clogging Refer to the county’s mosquito control agencies for guidance Work Order # __________ 3 Excessive dead vegetation on wetland surface Y__ N__ Remove dead vegetation according to the Landscaping Plan 4 Excessive sediment, silt, or trash accumulation on wetland surface Y__ N__ Clean pretreatment system Remove silt, sediment, and trash Work Order # __________ 5 Erosion or channelization is present on wetland surface Y__ N__ Check whether the flow bypass or diversion device is clogged Check if excessive sediment on the side of the wetland Work Order # __________ Note:
07-subsurface-gravel-wetland-maintenance-field-man-april-2015.docx