Laserfiche WebLink
CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Baffle Oil/Water Separators(American Petroleum Institute[API] Type) <br /> Date <br /> Drainage <br /> System Maintenance Activities and Conditions <br /> Frequency Feature ✓ ✓ ✓ ✓ Problem Conditions to Check For That Should Exist <br /> M,S Monitoring Inspection of Sheen,obvious oil present Effluent discharge from vault should be clear <br /> discharge water for without thick visible sheen. <br /> obvious signs of <br /> poor water quality. <br /> M,S Monitoring Sediment Sediment depth in bottom of vault exceeds 6 No sediment deposits on vault bottom that <br /> Accumulation inches in depth. would impede flow through the vault and <br /> reduce separation efficiency. <br /> M,S Monitoring Trash and Debris Trash and debris accumulation in vault,or pipe Trash and debris removed from vault,and <br /> Accumulation inlet/outlet,floatables and non-floatables. inlet/outlet piping. <br /> M,S Monitoring Oil Accumulation Oil accumulations that exceed 1 inch, at the Extract oil/sludge from vault by vactoring. <br /> surface of the water or 6 inches of sludge in the Disposal in accordance with state and local <br /> sump. rules and regulations. <br /> A Structure Damaged Pipes Inlet or outlet piping damaged or broken and in Pipe repaired or replaced. <br /> need of repair. <br /> A Structure Access Cover Cover cannot be opened, corrosion/deformation Cover repaired to proper working <br /> Damaged/Not of cover. specifications or replaced. <br /> Working <br /> A Structure Vault Structure Maintenance person judges that structure is Vault replaced or repairs made so that vault <br /> Damage Includes unsound. meets design specifications and is <br /> Cracks in Walls structurally sound. <br /> Bottom, Damage to <br /> Frame and/or Top <br /> Slab <br /> A Structure Vault Structure Cracks wider than one-half inch at the joint of Vault repaired so that no cracks exist wider <br /> Damage Includes any inlet/outlet pipe or evidence of soil particles than one-fourth inch at the joint of the <br /> Cracks in Walls entering through the cracks. inlet/outlet pipe. <br /> Bottom, Damage to <br /> Frame and/or Top <br /> Slab <br /> Appendices <br /> F-39 <br />