What is the diameter of pipe for 400.000 people when flowing full?
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- Example 10.1. A town with a population of 1 million has a con- tinuous water supply. Average supply in 270 lpcd, the water being supplied by direct pumping. The total supply of 270 lpcd is phased as follows: Time 5 A.M. to 11 A.M. 11 A.M. to 3 P.M. 3 P.M. to 9 P.M. 9 P.M. to 12 midnight 12 midnight to 5 A.M. Water is supplied from the treatment plant at a uniform rate of 11.25 million litres per hour, for all the 24 hours. Find out the capacity of the reservoir required for distribution of water. Assume no loss or drawal from the trunk main. (A.M.I.E., May 1963) lpc 90 54 81 27 18Design the pipe that will connect two reservoirs for a water distribution system of a certain sitio. It was found out that the water source can sustain the water demand of the place for the next 25 years. Data: Elev. Of Reservoir A = 1050 m Elev. Of Reservoir B = 1000 m Total length of pipe (corrugated G.I.) = 2.5 km Current Population = 150 Design Period = 25 years Annual Population Growth Rate = 2.5% Per Capita Water Consumption (PCWC) = 100 liters/person-day You may use any method that is most suitable for the problem. (PLEASE INCLUDE COMPLETE SOLUTION AND DRAWING)A planned community has a population of 63,000 people and is growing at 8.5% per decade. What is the likely average daily water demand 20 years from now? What are the annual water requirements for the city? What is fire demand? Assume the annual average per capita demand of 425 L/C-d and the . What would be the capacity that should be used for the distribution system? The monthly, weekly, daily and hourly max factors are 1.2, 1.4, 1.8 and 2.7, respectively.
- A water supply company has delivered an annual quantity of 120,000,000 m3 (including leakage) to a city of 1.2 million inhabitants with a mixed industrial-Commercial- residential city in South Africa. The total floor area of an office complex building (non-combustible construction, C = 0.8) is 30 000 m2. The leakage from the system estimated at 20% of the total supply, and billed non-domestic consumption of 25 million m3/y. Assume annual demand growth is 2.8%.For a city of population 200,000 capita and WCav =240 l/c/d the average daily WC asfollows:a. Draw the characteristics consumption curve;b. Estimate the percentage of maximum and minimum consumption through the day to theaverage value; andc. Estimate the maximum monthly, daily, and hourly water demandNo wrong answer please. A city with population of 49 x 103 capita in a period of 27 years in advance. The current population is 25 x 103 capita with a daily water consumption of 21 x 103 m³/d. The current and existing water treatment plant (WTP) has design capacity (maximum) of 49 x 103 m/d. Using the arithmetic method in estimating the population of this city, find for how many years will this plant reach its design capacity.
- Evapotranspiration in an 8 ha farm is 7 mm/day and percolation losses is 2 mm/day. What is the design discharge of a canal to be able to deliver a 5-day requirement of the farm in 24 hours if irrigation efficiency is 75%? Select one: a. 200 m3/hr b. 175 m3/hr c. 150 m3/hr d. 140 m3/hrMost of you may have seen water towers in and around small towns. The function of a water tower is to create a desirable municipal water pressure for household and other usage in a town. To achieve this purpose, water is stored in large quantities in elevated tanks. You may also have noticed that sometimes the water towers are placed on top of hills or at high points in a town. The municipal water pressure may vary from town to town, but it generally falls somewhere between 350 kPa and 550 kPa. We are interested in developing a table that shows the relationship between the height of water aboveground in the water tower and the water pressure in a pipeline located at the base of the water tower, as shown . We will calculate the water pressure in a pipe located at the base of the water tower as we vary the height of water in increments of 3 m. We will create a table showing our results up to 1 MPa. And using the height—pressure table, we will answer the question, “What should be the…A stream has a minimum flow of 50 m3/min. If no supply reservoirs will be built to store water during high flow periods, what range of urban population could be supplied continuously from the stream based on the range of daily per capita consumptions of 200 ~ 800 Lpcd. Use a peak factor (max. day/ave. day) of 1.8.
- The difference in levels between the catchment reservoir and the service reservoir of a town supply is 180 m and the distance between them is 64 kilometers. The reservoirs were originally connected by a single pipe designed to carry 27x10^6 liters per day. Calculate the diameter of the pipe. Use f = 0.008Compute the horsepower required to pump : a) A stream of 60 liters per second against a head of 12 meters, assuming 100% efficiency. b) Actual pumping plant efficiency is 59%. What is the horsepower requirements?Assuming a factor of safety of 2, what will be the water demand when water consumption per capita is 3.7 litres/day in a community of 6000 people and the minimum water released from a reservoir is 150,000 litres?