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 Finding Level Between Two Points At Any Point

Given Data

Picture 

 

                 Total Distance = 35m

                                      1^st R.L = 200m 

                                     2^nd R.L = 350m

  

Find the Level at 28m

 

Formula:

              

                   1^st R.L -2^nd R.L ÷ Total Distance (Required Distance) +_ 1^st R.L

 

NOTE

 

          If Grade in Plus we will Add value in 1^st R.L

            If Grade in Minus we will Minus value from 1^st R.L

Now Applying Formula

 

                                                                     200-350=150      150÷35=4.28

 200-350÷35˟28+200=319.99                 4.28˟28=119.99   200+119.99

If diff of R.L comes in minus ignore it

 Here formula will be use like 2^nd R.L – 1^st R.L

 

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