You work for a consulting engineering company that specializes in the design
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You work for a consulting engineering company that specializes in the design

You work for a consulting engineering company that specializes in the design of sewage treatment plants, and you have been assigned to study the sewage treatment plant in a small town. The plant was constructed 20 years ago and generally operates very well. However, at least two or three times per year during severe rainstorms, the plant is overloaded and operators are forced to discharge untreated sewage into the nearby river. You have measured the peak sewage flows and calculated that the plant capacity would need to be increased by about 40 % to cope with these occasional peak loads. However, during your work, you discovered drawings showing that several buried storm drains are improperly connected to the sewage system, and this extra flow explains why the overloads occur only during rainstorms: half of the water treated during storms is rainwater. If the storm drains were rerouted, the sewage plant would have adequate capacity. You tell your boss about your discovery. Your boss explains that if you recommend expanding the sewage plant, then your employer would bid on and likely receive the lucrative design contract. However, if you recommend that the town upgrade and reroute the storm drains, the contract will be much smaller and will likely be won by a competing company that specializes in storm-drain work. Your boss implies that you should downplay the information about the storm drains and recommend that the town increase the sewage plant capacity. Either way, the problem will be solved, so your company might as well share in the profit. What should you recommend in your report?

Hint
ManagementSewage treatment is a type of wastewater treatment that mainly aims to remove the contaminants from sewage to produce the effluent which is suitable for the discharge to the surrounding environment or even an intended reuse application. This thereby prevents the water pollution from raw sewage discharges....

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