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Home My WebLink About20001449 Ver 1_Worksheets_20060410w Project Name: Catawba Hills Project No. DWQ 00-1449 Pond No. SUBMITTED DESIGN. 2 elevations Bottom of Basin (ft) 622.5 Permanent Pool (ft) 624 Temporary Pool (ft) 625.5 areas Permanent Pool SA (sq ft) 3977 Drainage Area (ac) 1.93 Impervious Area (ac) 1 volumes Permanent Pool (cu ft) 7533 Temporary Pool (cu ft) 5416 Forebay (cu ft) 1943 other parameters SA/DA 2.13 Orifice Diameter (in) 0.75 Design Rainfall (in) 4.92 Linear interpolation of Correct SA/DA*** Im ervious Next Lowest 50 Project Impervious 51.8 Next Highest 60 REQUIRED DESIGN: 1.9''~ average depth status 1.5 ft. depth check depth 1.5 ft. depth ok 1784 sq. ft. ok ,. ` .2693.,, based on avg depth ok 51.8 % - 17797 cu. ft. check tempo 25.8 % check forebc 2.12 - 0.01 cfs drawdown - 4.9 day drawdown ok 1.5 ft. Permanent Pool Depth SA/DA fron (Avg. Depth) 2.06 3.143741514 1.08 2.12 3.20 1.14 2.4 3.472682927 1.43 aft 4 Project Name: Catawba Hills Project No. DWQ 00-1449 Pond No. SUBMITTED DESIGN.• 2 elevations Bottom of Basin (ft) 621 Permanent Pool (ft) 624 Temporary Pool (ft) 625.5 areas Permanent Pool SA (sq ft) 3977 Drainage Area (ac) 1.93 Impervious Area (ac) 1 volumes Permanent Pool (cu ft) 7533 Temporary Pool (cu ft) 5416 Forebay (cu ft) 1500 other parameters SA/DA 2.13 Orifice Diameter (in) 1 Design Rainfall (in) 1 Linear Interpolation of Correct SA/DA Im ervious Next Lowest 50 Project Impervious 51.8 Next Highest 60 REQUIRED DESIGN.• 1.9 average depth status 3 ft. depth ok 1.5 ft. depth ok 1784 sq. ft. ok 2693 based on avg depth ok 51.8 % - 3617 cu. ft, ok 19.9 % ok 2.12 0.02 cfs drawdown - 2.8 day drawdown ok 3 ft. Permanent Pool Depth SA/DA fron (Avg. Depth) 2.06 3.143741514 1.08 2.12 3.20 1.14 2.4 3.472682927 1.43 aft 4 Project Name: Catawba Hills Project No. DWQ 00-1449 Pond No. SUBMITTED DESIGN.• 1 elevations Bottom of Basin (ft) 622.5 Permanent Pool (ft) 624 Temporary Pool (ft) 624.6 areas Permanent Pool SA (sq ft) 9056 Drainage Area (ac) 9.89 Impervious Area (ac) 4.72 volumes Permanent Pool (cu ft) 13527 Temporary Pool (cu ft) 19051 Forebay (cu ft) 2714 other parameters SAlDA 2.06 Orifice Diameter (in) 1.5 Design Rainfall (in) 4.92 Linear Interpolation of Correct SA/DA Im envious Next Lowest 50 Project Impervious 47.7 Next Highest 60 REQUIRED DESIGN.• 1.5 average depth status 1.5 ft. depth check depth 0.6 ft. depth ok 8541 sq. ft. ok 14916: based on avg depth check surfac 47.7 % - 84699 cu. ft. check tempo 20.1 % ok 1.98 - 0.03 cfs drawdown - 6.8 day drawdown check drawG 1.5 ft. Permanent Pool Depth SA/DA fron (Avg. Depth) 2.06 3.536168286 1.08 1.98 3.46 1.00 2.4 3.861105345 1.43 aft 4 Project Name: Catawba Hills Project No. DWQ 00-1449 Pond No. SUBMITTED DESIGN: 1 elevations Bottom of Basin (ft) 621 Permanent Pool (ft) 624 Temporary Pool (ft) 624.6 areas Permanent Pool SA (sq ft) 9056 Drainage Area (ac) 9.89 Impervious Area (ac) 4.72 volumes Permanent Pool (cu ft) 26000 Temporary Pool (cu ft) 19051 Forebay (cu ft) 5000 other parameters SA/DA 2.06 Orifice Diameter (in) 2 Design Rainfall (in) 1 Linear Interpolation of Correct SA/DA *** Im ervious Next Lowest 40 Project Impervious 47.7 Next Highest 50 REQUIRED DESIGN: ,? 2.9 average depth status 3 ft. depth ok 0.6 ft. depth ok 8551 sq, ft. ok 8904 based on avg depth ok 47.7 % - 17215 cu. ft. ok 19.2 % ok 1.98 - 0.06 cfs drawdown - 3.8 day drawdown ok 3 ft. Permanent Pool Depth SA/DA fron (Avg. Depth) 1.73 1.813 8 3 3 922 1'.08 1.98 - ' ` 2.07' 1.35 2.06 2.141254417 1.43 3 ft 4 Project No. DWQ Catawba Hills Project Name: 00-1449 SUBMITTED DESIGN.• 1 REQUIRED DESIGN.• 3/21 /2006 elevations Permanent Pool (ft) 628 0.5 ft. depth ok Temporary Pool (ft) 628.5 areas Permanent Pool SA (sq ft) 1861.59 103 sq. ft. ok Drainage Area (ac) 0.74 ac Impervious Area (ac) 0.432 58.4 % impervious Rational C 0.65 Precipitation (in) 0.07 no sand underdrain volumes Inlet Velocity 3.69 0 fps check veloci Inlet Flow Depth 628.5 in Depth to Ground Water 6 ft Planting Soil Infiltration 0.5 0.52 in/hr check In-Situ Soil Infiltration 0 0.00 in/hr check Project No. DWQ Catawba Hills Project Name: 00-1449 SUBMITTED DESIGN.• 1 REQUIRED DESIGN.• 3/21 /2006 elevations Permanent Pool (ft) 628 0.5 ft. depth Temporary Pool (ft) 628.5 areas Permanent Pool SA (sq ft) 1861.59 103 sq. ft. Drainage Area (ac) 0.74 ac Impervious Area (ac) 0.432 58.4 % impervious Rational C 0.65 Precipitation (in) 0.07 no sand underdrain volumes Inlet Velocity 0.67 0 fps Inlet Flow Depth 628.5 in Depth to Ground Water 4 6 ft Planting Soil Infiltration 0.52 0.52 in/hr In-Situ Soil Infiltration 0.52 0.00 in/hr ok ok ok ok ok