10910 HOLLY DR 2025-07-28 - Laserfiche WebLink

II Goldfmch Brothers Drainage Study 1 June 26,2008 7/8/08 10:20:37 am J.C. McDonnell & Associates page 1 Goldfinch Brothers Vault Drainage-Two Orifice Config II 07/08/26/2008 BASIN SUMMARY 11 BASIN ID: B00.5 NAME: 6-month undeveloped SBUH METHODOLOGY TOTAL AREA • 1.20 Acres BASEFLOWS: 0.00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION 0.99 inches AREA. . : 1.20 Acres 0.00 Acres TIME INTERVAL 10.00 min CN • 81.00 0.00 I TC 91.59 min 0.00 min ABSTRACTION COEFF: 0.20 TcReach - Sheet L: 300.00 ns:0.4000 p2yr: 1.55 s:0.0125 TcReach - Shallow L: 25.00 ks:8.00 s:0.0125 TcReach - Channel L: 231.00 kc:20.00 s:0.0175 11 PEAK RATE: 0.01 cfs VOL: 0.01 Ac-ft TIME: 1320 min BASIN ID: B002 NAME: 2-year undeveloped I SBUH METHODOLOGY TOTAL AREA • 1.20 Acres BASEFLOWS: 0.00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 1.55 inches AREA. . : 1.20 Acres 0.00 Acres I/ TIME INTERVAL 10.00 min CN TC • 81.00 0.00 91.59 min 0.00 min ABSTRACTION COEFF: 0.20 TcReach - Sheet L: 300.00 ns:0.4000 p2yr: 1.55 s:0.0125 I/ TcReach - Shallow L: 25.00 ks:8.00 s:0.0125 TcReach - Channel L: 231.00 kc:20.00 s:0.0175 PEAK RATE: 0.03 cfs VOL: 0.03 Ac-ft TIME: 960 min BASIN ID: B010 NAME: 10-year undeveloped I SBUH METHODOLOGY TOTAL AREA • 1.20 Acres BASEFLOWS: 0.00 cfs RAINFALL TYPE TYPE1A PERV - IMP PRECIPITATION • 2.25 inches AREA. . : 1.20 Acres 0.00 Acres 11 TIME INTERVAL 10.00 min CN • 81.00 0.00 TC • 91.59 min 0.00 min ABSTRACTION COEFF: 0.20 II TcReach - Sheet L: 300.00 ns:0.4000 p2yr: 1.55 s:0.0125 TcReach - Shallow L: 25.00 ks:8.00 s:0.0125 TcReach - Channel L: 231.00 kc:20.00 s:0.0175 PEAK RATE: 0.07 cfs VOL: 0.08 Ac-ft TIME: 550 min II II II 11 I II 18