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You are hired as a consultant by a developer who wants to build a new small residential/commercial area outside of Davis. The community will feature 800 singlefamily homes and a small commercial district. The anticipated population of the newly developed area is 3,000 people. The commercial area will include a service station, a small motel (30 rooms), a restaurant (20 tables, 4 seats/table), a coffee shop and a shopping center with (10 stores, 40 parking spaces). Each home will have an average of 250 m2 of floor space and the total floor area of the commercial district will be 4000 m2 a) Clearly stating your assumptions, what is the average daily water supply required by the community? b) Predict the maximum daily water use in the community. c) How much wastewater should the community's wastewater treatment plant be designed to handle? d) Determine the fire flow demand that the water supply system should be designed to handle. e) If all residences are designed to include Level 1 conservation water conservation appliances, how much water will be saved on an annual basis? What is the percent reduction in the community's total water usage anticipated from applying these conservation measures? f) List at least two factors that might (i) increase or (ii) decrease the estimated water supply requirements you calculated in part a) above.
The car's gear reduction ratio is 3.5 to 1, driveline efficiency is 90%, driveline slippage is 3.5%, and the road-wheel radius is 15 inches. What will the car's maximum acceleration be under these conditions on a level road
At a point in a saturated normally consolidated clay layer the soil is subject to an in-situ vertical effective stress of 50kPa. The soil at the point has a moisture content of 44% and a compression index of 0.45.
What is the risk of constructing a harbor which will be unprotected from wave attack during its construction.
A pipe carrying oil of specific gravity (SG = 0.877) changes in size from 150 mm at section E to 450 mm at section R (E and R are arbitrary designations of the two points in the system).
A differential leveling loop began and closed on BM bridge (elevation 103.895m). The plus sight and minus sight distances were kept approximately equal
A rigid rectangular shelf is suspended from a rigid ceiling by mean of four rods of diameter .505 inches. The two rods to the left L1 and L2, are made of steel
The motion of a particle is defined as x=t^2-8t+7 and y=0.5t^2+2t+4, where x and y are in meters and t is in seconds. Determine the magnitude of the smallest velocity reached by the particle, and the time, position, and direction of that velocity.
The only losses of total phosphorus for the lake are settling and fluching throught the lake's outlet. Assume the outflow rate is 212 km^2/year and the sediment area is 10,500 km^2.
A clean glass capillary tube having a diameter of .008 in. was inserted into water with a surface tension of 0.00504 lb/ft. Calculate the height of the capillary rise in the tube.
An operator is holding a tool for a horizontal drilling task. the woman's elbow is flexed 45 degrees. The length of her forearm is 0.4m and the drill has mass of 5kg. Her forearm/hand weighs 20N and its center of mass is half the distance betwee
A 75-lb block is supported by the spring arrangement shown. The block is moved vertically downward from its equilibrium position and released. Knowing that the amplitude of the resulting motion is 2 in.,
A new machine will cost $25,000. The machine is expected to last 4 years and has no salvage value. If the interest rate is 12%, determine the return and the risk associated with the purchase. The estimated annual savings and its probability
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