For Inspector For Maintenance Crew Component No. Preventative / Corrective Inspection Item and Inspection Item No. Result Component Name Maintenance Actions Check the flow diversion device Y__ before the inlet pipe and whether Scouring or erosion is present at 1 the bypass flow channel is clogged inlet structure and/or riprap apron N__ Work # __________ Y__ Clogged pipes or excessive sediment A1 2 Remove sediment or debris in the forebay N__ Pretreatment (Forebay) Damaged outlet structure (e.g., Repair or replace the outlet Y__ structure 3 cracking, subsidence, spalling, N__ erosion, or deterioration) Work Order # __________ A2 (If a MTD is used for pretreatment, Y__ 1 MTD inspection see manufacturer’s maintenance Pretreatment N__ manual) (MTD, if installed) A3 (See BMP No. ________ Pretreatment 1 BMP inspection Y__ Manual) (Structural BMP) N__
For Inspector For Maintenance Crew Component No. Component Name Inspection Item and Inspection Item No. Result Preventative / Corrective Maintenance Actions A1 Pretreatment (Forebay) 1 Scouring or erosion is present at inlet structure and/or riprap apron Y__ N__ Check the flow diversion device before the inlet pipe and whether the bypass flow channel is clogged Work # __________ 2 Clogged pipes or excessive sediment in the forebay Y__ N__ Remove sediment or debris 3 Damaged outlet structure (e.g., cracking, subsidence, spalling, erosion, or deterioration) Y__ N__ Repair or replace the outlet structure Work Order # __________ A2 Pretreatment (MTD, if installed) 1 MTD inspection Y__ N__ (If a MTD is used for pretreatment, see manufacturer’s maintenance manual) A3 Pretreatment (Structural BMP) 1 BMP inspection Y__ N__ (See BMP No. ________ Manual)
01-surface-infiltration-basin-maintenance-field-manual-april-2015.docx