3. The attached diagram depicts a level run. From the attached diagram of the Level Run, book the readings and reduce the levels to determine the RL of Point B. Carry out all checks to confirm the accuracy of the run. BS FS Rise Fall Reduced Remarks Level 2.642 10.000 Survey mark 2.064 3.419 0.777 9.223 CP1 1.798 3.740 1.694 7.529 CP2 4.018 4.126 2.328 5.201 CP3 3.560 1.892 2.126 7.32 CP4 3.648 2.480 1.080 8.407 :P5 2.143 1.505 9.912 Survey mark 17.712 17.800 |4.711 4799 0.088 17.800 4.799 0.088 0.088 0.08 Misclose = 0.088 Is this within the acceptable error ? No it's not acceptable Remember, acceptable error = =[5 + v(no. of change points)] mm 5+15 = 5+2 = + 7mm misclose acceptable