3G 70% 3:23 L2 DISTANCE MEA... [ Worked examples: Use of stadia Tacheometry Formulae A 1" reading theodolite having a multiplying constant of 100 and an additive constant of 0 was centred and levelled...

Extracted text: 3G 70% 3:23 L2 DISTANCE MEA... [ Worked examples: Use of stadia Tacheometry Formulae A 1" reading theodolite having a multiplying constant of 100 and an additive constant of 0 was centred and levelled a height of 1.48m above a point C of reduced level 46.87 A levelling staff was held vertically at points D and L in turn and the readings shown in the table below were taken Calculate (i)the reduced levels of points D and I Staff Readings (m) Staff Vertical circle Horizontal circle 3.240, 3.047, 2.853 87° 38' 53" 56 49' 31" L 2.458, 2.230, 2.002 92° 21' 36" 98 07' 18" 32 32 / 43