10. list theApparatus used in Baseline: Rigid Bars Flexible apparatus . 11. What are the…

10. list theApparatus used in Baseline: Rigid Bars Flexible apparatus . 11. What are the Corrections made while calculation of true length? Correction for absolute length Correction for temperature Correction for pull or tension Correction for Sag Correction for S lope12. Define Temporary Bench mark: These are established temporarily whenever required. These are generally chosen to close the day’ s work and to start the next days. Points on roofs, walls, basements etc