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INTERNA770NAL <br /> WINE CUP MOTOR COACH RESORT <br /> WASTEWATER TREATMENT PLANT <br /> I. BASIS OF DESIGN <br /> 1.1 INFLUENT CHARACTERISTICS <br /> Design flow: 25,000 gpd <br /> 17.4 gpm <br /> Design loading: <br /> Average: <br /> BODS 350 mg/L <br /> Ib. BODS 73 Ib/day <br /> SS 250 mg/L <br /> Ib. SS 52 Ib/day <br /> TKN 40 mg/L <br /> Ib. TKN 8.3 Ib/day <br /> NH3-N 25 mg/L <br /> Ib. NH3-N 5 Ib/day <br /> Alkalinity 200 mg/L as CaCO3 <br /> Ib. Alkalinity 42 Ib CaCO3/day <br /> 1.2 EFFLUENT CRITERIA <br /> Flow: 24,833 GPD <br /> BODS 5 mg/L <br /> Ib. BODS 1.0 Ib/day <br /> SS 1 mg/L <br /> Ib. SS 0.2 Ib/day <br /> TN 10 mg/L <br /> Ib.TN 2.3 Ib/day <br /> Turbidity <2 NTS <br /> Total coliform <_2.2 /100 mL weekly average <br /> II. MBBR SYSTEM <br /> 2.1 HEADWORKS <br /> LIFT PUMPS Submersible <br /> No. of pump: 2 <br /> Flow: 80 gpm <br /> Head: 20 ft <br /> Power: 0.75 hp <br /> INLET SCREENS <br /> No. of units <br /> Net size 2-5 mm <br /> EQ Tank <br /> No.of units <br /> Tank dimensions: 4'x 7'x 6.5' <br /> Plant Design Appendix-i-10 of 18 08/22/07 <br />