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GRADING LEGEND
C5.0OVERALLGRADING &DRAINAGE PLANNORTH
MINIMUM FLOOD PROTECTION GRADE (MFPG)
MINIMUM LOWEST ADJACENT GRADE (MLAG)
DRAINAGE SUMMARY
MINIMUM FINISH FLOOR ELEVATION (MFFE)
BENCHMARKS
UNDERGROUND DETENTION
ROWS 8
LENGTH OF ROW 107'
CHAMBER TYPE 6' Ø CMP
STONE INVERT 842.75
CHAMBER INVERT 843.25
TOP OF STONE 850.10
CHAMBER SPACING 3'
SIDE STONE 24"
04/15/22