Solution to Assignment 2_Q2

# Solution to - CIVL 242 Homework Assignment 2 2 There are two raw water supply sources available for City T river A and reservoir B It is know that

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CIVL 242 Homework Assignment 2 2. There are two raw water supply sources available for City T: river A and reservoir B. It is know that the former has a 7-day minimum flow rate of 2 m3/sec and the latter’s max storage capacity and a static (dead) capacity are 9 million m3 and 1.5 million m3, respectively. The population of City T is anticipated to grow up to 120,000 in the next 20 years. The average water demand per capita per day (including industrial and other uses and losses) is currently 300 L/person/day and may increase to 120% in the next 20 years. The maximum daily water demand is 220% of the average daily demand while the max hourly demand is 400% of the average daily demand. You are assigned to design a water treatment plant for this city. Therefore, you need to solve the following problems: (1) Does the river A have enough water to supply? (2) (If the reservoir B is the only raw water supply source,) Can enough water be taken from the reservoir in a continuous 3-month drought period without any rainfall ? (Assume that over such a long period, daily fluctuations in water demand will be

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## This note was uploaded on 09/13/2011 for the course CIVL 242 taught by Professor Gh during the Fall '09 term at HKUST.

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Solution to - CIVL 242 Homework Assignment 2 2 There are two raw water supply sources available for City T river A and reservoir B It is know that

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