Wastewater is collected from a subdivision of 30 ha area that consists of 500 residential units and 2.5 ha of commercial centre. The generated wastewater discharges in the wet well which has two pumps which each of them will be cycled, alternatively, 5 times per hour. Using the provided information, determine the minimum volume of the wet well. 4 person per residential unit 200 L/d wastewater is produces per person Commercial flow is 250 m/d per ha Peak wet weather flow (PWWF) factor = 2.5 Appendix 1: Flow chart for polyethylene pipe. SDR 13.6 (PE 80: PN 10 & PE 100: PN 12.5) O Vinidex Pty Ltd Appendix 2: Colebrook-White Chart HYDRAULIC GRADIENTS neo- aroo ODD 0400 2000- 200 0100 0000 0000- DUTE DOOR s 200 0030 0010 0000 0006 0007 0006 DOUS 0004- 0000 2002 boos TAR10 H ELEEEEE Of STOP1000 DISCHARGE Q. 1/ PIPES FLOWING FULL COLEBROOK-WHITE FORMULA k = 0.60mm 10.000 LO 7.5 O Concrete Pipe LECCE LEC 7100,000 1000 0900 0800 4700 0000 0000 AHOD 0040 2030 Depe 0010 2009 DOD 0000 2000 0004 D003 000 HYDRAULIC GRADIENTS 100.000