Two Peg Test

FIELD field surname FIELD WORK TITLE Two spliff test INTRODUCTION INTRODUCTION Two marijuana cigarette Test is a surveying operation carried let out to square off whether the level cockle and telescope line of sight are parallel. object lens OBJECTIVE Peg Test is a surveying operation carried out to determine if the leveling bubble (bubble axis) and telescope line-of-sight (line of collimation) are parallel. TOOLS TOOLS Dumpy levelTripod Staff register Bubble staff FIELD WORK PROCEDURE FIELD WORK PROCEDURE . Each group is required to perform a peg test to check the puppet. ii. Each person in the group is show up the results of the Peg Test in their own field book. iii. Set out and mark on the ground (with wooden pegs driven into the ground) two excite some 15 m apart. iv. Instrument is set up center(prenominal) between two point A and B. v. Staff is read on each staff point A and point B and the cover difference is calculated. Made sure the bubble staff is center vi. N ext, instrument is moved about 5m behind the point B. nd staff at point A and point B is read. vii. Record the data. prove RESULT Point A1 point B1 =1. 312 1. 310 =0. 002m Point A2 point B2 =1. 239 1. 238 =0. 001m STN 1 STN 2 = 0. 002 0. 001 =0. 001m =1mm ? 2mm analysis ANALYSIS The error is 2mm so it can be accepted. The instrument is in good condition and can used in field work. resultant CONCLUSION The instrument can be determined the leveling bubble (bubble axis) and telescope line-of-sight (line of collimation) are parallel.