(d) A waste stabilization pond is designed to treat 1,125 m³ sewage daily. Surface BOD loading is given as 280 kg/ha.d. The minimum design temperature is 25°C. (iv) (v) (vi) Find the area and HRT of facultative pond. Find the number of maturation pond(s), if the influent FC and target effluent FC are 1 x 108 FC/100mL and not more than 5,000 FC/100mL, respectively. Effluent BOD, if the influent BOD is 280 mg/L. State your assumptions.

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Mechanical Processes

In civil engineering, the materials have to undergo a series of manufacturing processes before using them in construction and structural applications. These manufacturing processes form the foundation stone of mechanical processes. Some of the civil engineering materials such as bars, metallic beams, metallic columns, surveying equipment, earthmovers, overhead cranes, structural and construction components, and even cement that is the most fundamental construction component need to undergo different manufacturing processes before they are ready to use. These processes are mechanical.