Question

7.17 In running a line of levels from BM, (elevation 492.10) to BM2, the following readings were taken in the order given: 3.37, 6.87, 4.09,7.82,5.44, 2.08, 6.41, 5.29, 8.33, and 2.63. Set up and complete the level notes including the math check. (Ans.: BM2 = 495.05) ncluding 19

hi could you guys help me to solve this question please.
book: surveying 6th edition page 118 exercise 7.17
thank you!!

Answer 1

Ang(7-12) Method -1 Elevation g Benchmark lot. (BM1) 49210: ܟܪ Fore sight Back Sight 3:37 6.87 BMI (492-10 ® B Mit Back Sight Height of instrument at Station = = 49210 +3.37 = 495.47 of station B = H.I.F.S elevation 495.47 - 6.87 488.6 iiy 4:09 1782 C 8 (488.() & elevation Stection c = elevation of B+ [B.5-F.s) 484087 of 7.08 my sony C (484-87)R elevation og DS 484.87 + (5.44-2008) 488.23

6.4] /05.29 'S (488.23 elevation of EE 488.2 3 + ((.५/- 5-२१) = 489.35 .2.63 VS 8.33 TA BM2. 489:35 elevation का (BMI) - 489.35 +(8.33 - 2.63 495.05.