3 point problems

Question 1

3 point method: step 1

Answer 1

Draw a line b/t the wells having the highest and lowest head

Question 2

3 point method: step 2 (formula)

Answer 2

Find the location on the line drawn in step 1 where that point is = to the head of the int. well.

(Intermediate head - lowest head) (line length) /
(highest head - lowest head)

Question 3

3 point method: step 3

Answer 3

Draw a line between the well having the int. head and the new point drawn in step 2

Question 4

3 point method: step 4

Answer 4

Draw a flow line from the well having the highest head to the line drawn in step 3. lines must intersect at 90

Question 5

3 point method: step 5

Answer 5

Calculate the hydraulic gradient along this flow line

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