Drainage Report

DRIVE DA 6 PRELIMINARY AND FINAL SITE PLAN DA 1 DA 4

DA 4 UNDETAINED AREAS BAKELY TOTAL: 314,926.1 SF TOTAL: 64,315.3 SF TOTAL: 96,036.1 SF TOTAL:

TOTAL: 80,222.6 SF TOTAL: 83,083.0 SF TOTAL: 11,773.6 SF DA TO CULVERT

TOTAL: 194,686.7 SF IMPERVIOUS: 193,625.3 SF IMPERVIOUS: 34,605.0 SF IMPERVIOUS: 26,461.0 SF IMPERVIOUS: 69,441.0 SF IMPERVIOUS: 61,323.7 SF IMPERVIOUS: 3,000 SF (25.5 %) OL1: 56,038.8 SF PERVIOUS: 121,300.8 SF PERVIOUS: 19,780.0 SF PERVIOUS: 58,486.0 SF POND AREA: 10,782.1 SF

10,782.1 SF PERVIOUS: 21,759.3 SF PERVIOUS: 8,773.6 SF (74.5 %) OL2: 39,625.3 SF TOTAL: 573,106 SF POND AREA: 7,112.4 SF POND AREA: 11,090.0 SF 6a. SHEETFLOW 100 LF SMOOTH S = 1% 1a. SHEETFLOW 100 LF GRASS COVER S = 0.5 % POROUS ASPHALT:

10,178.0 SF Tc: 10.0 MIN OL3: 18,616.3 SF 13.156 Acres 1b. S.C.F. 144 LF GRASS COVER S = 6.9 % 2a. SHEETFLOW 60 LF GRASS COVER S = 16% 4a. SHEETFLOW 100 LF GRASS COVER S = 8% 6b. S.C.F. 40 LF SMOOTH S = 1% a. SHEETFLOW 100 LF GRASS COVER S = 5.2 % OL4:

OL4: 11,273.2 SF PERVIOUS: 100% 1f. S.C.F. 642 LF PAVEMENT S = 2.6 % 2b. S.C.F. 120 LF PAVEMENT S = 4.5% 4b. S.C.F. 120 LF GRASS COVER S = 2% PIPE FLOW TIME: 920 LF 12" PIPE b. S.C.F. 100 LF GRASS COVER S = 3.0 % PIPE FLOW TIME: 426 LF 15" PIPE PIPE FLOW TIME: 1,692 LF 15" PIPE Savg = 4.1 %

OL5: 69,133.1 SF Tc: 19.0 MIN TIME IN PIPE: 2:35 MIN c. INLET TIME: 1 MIN Tc: 30.2 MIN Savg = 3.5 % Savg = 3.9 % Tc: 4.5 MIN

Tc: 8.0 MIN Tc: 4.6 MIN Tc: 10 MIN OL 1 OL 2 DA 2-1 DA 2-3 DA 2-5

DA 3 DA 5 TOTAL: 56,038.8 SF TOTAL: 39,625.3 SF IMPERVIOUS: 3,552.3 SF IMPERVIOUS: