20-cm diameter well completely penetrates a confined aquifer of permeability 0.088 cm/sec. The length of the aquifer is 34 m. When pumping was kept constant at 78 L/sec, the drawdown

Q: 12. A 4 m tall, 1.2 m diameter barrel filled with hardened cement mortar is dropped across a 4 m…

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

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Q: step-drawdown A test was performed on the MX W ber 1980. The radius of the well casing is 5 inches,…

A: solution-  data given - initial pumping rate = 210GPMinitial lequid level , h0 = 231.36 m  At step 1…

Q: (c) A well fully penetrated in a 30 m thick confined aquifer. After a long period of pumping at a…

A: The flow rate is Q=3250 m3/day or Q=0.04 m3/s. The distances are, r1=50 mr2=125 m The drawdowns are,…

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: 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: A 2 ft diameter well penetrates vertically through a confined aquifer 50 ft thick. When the well is…

A: The flow of fluid includes movement of an unbalanced fluid. As long as unequalled forces are in…

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 50 dm diameter well gives a discharge of 0.05 m³/sec. Two observations well were made at a…

A: Given- Diameter of well =50 mm, Discharge Q=0.05 m3/sec. Depth of well H=10 m, Drawdown- s1=3 m at…

Q: DETERMINE: B. Specific yield of the soil and specific capacity of the well

A: In the question, the given values are Dimensions of the well= 6.60x4.05m Depth= 4.7m Normal water…

Q: A 300-mm diameter static test well penetrates 27 is pumped at liters per second for 24 hrs. The…

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Q: A) A fully penetrating unconfined well of 12 in. The diameter is pumped at a rate of 1 ft^3/sec. The…

A: As per company policy we can only answer first question. Kindly post other questions as seperate…

Q: If well B was contaminated, how long would it take for the contaminant to show up in well A? O a.t =…

A: The given figure is shown below:

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

A: Given data- Steady-state flow- Drawdown- S1=4.92 m, S2=5.45 m, Radial distance- r1=1.56 m, r2=1.80…

Q: A confined aquifer with T = 7.0 x 10-3 m2/s and S = 5 x 10-4 is pumped by two wells, 35 m apart. One…

A: The objective of this question is to calculate the drawdown in a confined aquifer due to pumping…

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.