An 18-inch-diameter (~46 cm) well within an aquifer with a transmissivity of 1070 ft2/day (~100 m2/day) and a storativity of 7x10-2 is to be pumped continuously. What pumping rate should be used so that the maximum drawdown after two years will not exceed 20 ft (~6 m

Q: struction, the piezometric surface of the aqu mate the subsidence caused by the project. 9.13.…

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Q: A well of 0.5 m diameter is pumped from confined aquifer at 0.08 m'/s. The draw- down recorded at…

A: Thiems equation and dupits equation is generally used for confined and unconfined aquifier analysis.

Q: After 2 months of pumping, water levels stabilize with a head at well 1 of 132 ft and a head at well…

A: Given, h1 = 132 ft h2 = 143.5 ft  T = 450 ft2/day      NOTE : As per guidelines, first question is…

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A: (1) Total inflow in reserviour-Total outflow in reseviour=Change in storage4+6+9-8+11+5=Change in…

Q: 2: A (50 cm) well fully penetrates an unconfined aquifer of saturated depth 80 m. When a discharge…

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Q: A pumping test carried out in a 50 m thick confined aquifer resulted in a flow rate of 600 l/min.…

A: Answer  Based on the given data let us draw the diagram showing given data Calcultions shown in…

Q: A- It is required to dewater a construction site, The bottom of the construction will be Im below…

A: Q= 645.52 m3/day

Q: A fully penetrating pumping well extracts groundwater from a confined aquifer with a pumping rate of…

A: Since the second question is incomplete the first question is solved. Given: Drawdown = 10 cm = 0.1…

Q: Suppose a well 0.30m in diameter has been pumped at a rate of 5,000cu.m/day for a long enough time…

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Q: For steady state flow to a fully penetrating well in a confined aquifer, the drawdown at radial…

A: Solution is attached below as

Q: Problem 2. A well is located in a completely confined aquifer with a hydraulic conductivity of 12…

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Q: What is the critical depth in a rectangular channel with 2.3 m width and 0.91 m2/s discharge per…

A: What is the critical depth in a rectangular channel and calculate minimum specific energy?

Q: Q3/Calculate the steady state drawdown at the pumping well which fully penetrates a confined aquifer…

A: Given Discharge 4000 m3/dayTransmissivity 470 m2/dayRadius of influence 100 mDiameter 0.2 mTo find…

Q: Find the diameter of well for the following data: Discharge required Thickness of confined aquifer…

A: Given Discharge 0.08 m3/sThickness 30 mRadius of influence 300 mDrawdown 5 mTo find out Diameter of…

Q: a. If an artesian aquifer is intercepted by a well drilled 36.6 m (120 ft) deep and the water rises…

A: Artesian aquifer is the underground layer that contains groundwater under the pressure that causes…

Q: 0.12 A hydraulic structure is sized for a 50 year recurrence interval design discharge. What is the…

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Q: What is the detention time for a clarifier with a diameter of 24 m and water depth of 2.3 m for a…

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Q: H.W. 1: It is required to dewater a construction site, The bottom of the construction will be Im…

A: Given data:- Transmissivity( T )=800 m2 /day t0=15 days r=60m

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Q: community is installing a new well in a regionally confined aquifer with a trans- missivity of 2675…

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Q: well 12in in diameter penetrate 108 ft below the static water table. After a long period of pumping…

A: h1=108-12=96 fth2=108-7.4=100.6 ftr1=57 ftr2=148 ft To find: (a) transmissivity of the aquifer(b)…

Q: (400 gpm). 16. Determine the maximum steady-state pumping rate in Ips (gpm) for a 305-mm (12-in.)…

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Q: A 30 cm well is pumped at the rate of 1000 1pm. The transmissibility of the aquifer is o.015 m²/s.…

A: The given data is: Q=1000 Lps Q=1/60 m3/s x=120 m a=120 m T=0.015 m2/s r=80 m

Q: Duration: 110 dk. (30p): Water demand of a city with 10.000 population is supplied from a well…

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Q: ,. A 20 cm well completely penetrates an unconfined aquifer with k= 1 m/sec and the height of water…

A: Calculation of drawdown at distance 200 m from  well when k= 1 m/sec and well yields at 0.5 m3/s

Q: A well fully penetrates a 60m thick confined aquifer. After a long period of pumping at a constant…

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Q: A well in PZ600 is drilled at an elevation of 350-ft. If the well pump is located 10-feet under the…

A: Given data- force F=600 lbselevation E= 350 fttotal depth of the well=10+90=100 ft

Q: With an observation well situated is 69.7 ft away from the pumping well (which is pumping at the…

A: Answer  Based on the given data, we can use Cooper-Jabob method of solution to obtain T,K and S.…

Q: What will be the average velocity ( Darcy velocity ) of flow in the aquifer at a distance 20 ft from…

A: Given Data:Thickness of aquifer = 85 ftDiameter of well drilled = 86 inTo determine:Maximum rate of…

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Q: f. Assuming a porosity of 18% for the sandstone, what is the seepage velocity for that unit? g. How…

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Q: A 30cm diameter well fully penetrates an unconfined aquifer with saturated thickness ho=60m and…

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Q: well has a diameter of 10 cm. Under steady state condition, what is the expected discharge (lps) if…

A: According to given data  The average discharge  in Lps  is 7.01LPS (Liter per second)

Q: alculate the rate of seepage q in m3/hr/m for the earth dam shown in figure below by one of them :…

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Q: Could you help me answer the following question? Thank you A fully penetrating pumping well…

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Q: Q2: given a reservoir with a storage discharge linear relationship governed by the equation: S-KQ,…

A: Given data:- Storage discharge linear relationship equation S = KQ, if the K = 8000 The initial…

Q: Two reservoirs (El 30.0m and El 102.0m) are connected by two pipelines 1-2 and 2-3 with a pump…

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Q: Irrigation and drainage, i need solutions in 15 minutes please. MCQ/A 30 cm diameter well completely…

A: Given data: well radius (rw)=302×100=0.15mpermeability(k)=45 m/day =4524×60=0.03125 m/minradius of…

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