10901 27TH AVE SE 2025-07-29 - Laserfiche WebLink

I I STORMSHED OUTPUT SUMMARY Ex. Site Basin Event Summary: I BasinID Peak Q Peak T Peak Vol Area Method Raintype Event (cfs) (hrs) (ac-ft) ac /Loss Ex.Site Basin 1.52 8.00 0.6999 9.16 SBUH/SCS TYPE1A 2 yr I Ex.Site Basin 2.44 8.00 1.1599 9.16 SBUH/SCS TYPE1A 10 yr Ex.Site Basin 3.82 8.00 1.8572 9.16 SBUH/SCS TYPE1A 100 yr Ex.Site Basin 0.84 8.00 0.3658 9.16 SBUH/SCS TYPE1A 6-month I Drainage Area: Ex. Site Basin Hyd Method: SBUH Hyd Loss Method: SCS CN Number Peak Factor: 484.00 SCS Abs: 0.20 Storm Dur: 24.00 hrs Intv: 10.00 min I Area CN TC Pervious 4.7000 ac 86.00 1.72 hrs Impervious 4.4600 ac 98.00 0.17 hrs Total 9.1600 ac I Supporting Data: Pervious CN Data: Landscape and grass 86.00 4.7000 ac ' I Impervious CN Data: Impervious Surfacing 98.00 4.4600 ac Pervious TC Data: Flow type: Description: Length: Slope: Coeff: Travel Time I Shallow Grass Area Shallow Grass Area 150.00 ft 8.00% 5.0000 1.77 min . 150.00 ft 2.00% 5.0000 3.54 min Sheet Grass Area 300.00 ft 1.00% 0.4000 98.05 min Impervious TC Data: I Flow type: Description: Length: Slope: Coeff: Travel Time Fixed Impervious 0.00 ft 0.00% 10.0000 10.00 min I DEV. SITE BASIN Event Summary: BasinlD Peak Q Peak T Peak Vol Area Method Raintype Event (cfs) (hrs) (ac-ft) ac /Loss I DEV.SITE BASIN 1.84 8.00 0.6865 9.16 SBUH/SCS TYPE1A 2 yr DEV.SITE BASIN 3.16 8.00 1.1436 9.16 SBUH/SCS TYPE1A 10 yr DEV.SITE BASIN 5.18 8.00 1.8382 9.16 SBUH/SCS TYPE1A 100 yr DEV.SITE BASIN 1.10 8.00 0.4285 9.16 SBUH/SCS TYPE1A 6-month IDrainage Area: DEV. SITE BASIN Hyd Method: SBUH Hyd Loss Method: SCS CN Number Peak Factor: 484.00 SCS Abs: 0.20 I Storm Dur: 24.00 hrs Intv: 10.00 min Area CN TC Pervious 4.9000 ac 86.00 0.16 hrs I Impervious 4.2600 ac 98.00 0.10 hrs Total 9.1600 ac Supporting Data: Pervious CN Data: I Landscape Areas 86.00 4.9000 ac Impervious CN Data: Impervious Area 98.00 4.2600 ac I I