E03 - Introduction to Leveling

E03 Introduction - LABORATORY EXERCISE 03 INTRODUCTION TO DIFFERENTIAL LEVELING OBJECTIVE Identify the parts of an automatic level Review the

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Rev. July 2010 Page 19 LABORATORY EXERCISE # 03 INTRODUCTION TO DIFFERENTIAL LEVELING OBJECTIVE: Identify the parts of an automatic level. Review the proper technique for taking differential leveling notes. Demonstrate how to read a Philadelphia rod. Learn how to properly use an automatic level. Learn the proper procedures of doing a differential leveling survey including how to turn through a benchmark, make a math check and calculate the allowable error of the survey. EQUIPMENT: Automatic level and tripod Philadelphia rod Turning point spike with hammer Hand Level FIELD PROCEDURE: 1. Carry equipment up to the Sports area field. 2. Set up the tripod in a location so that the Philadelphia rod when placed atop Your starting benchmark can be read when the automatic level is setup. 3. Remove the tripod cap. Adjust the tripod legs so that the tripod head surface is approximately horizontal. 4. Take the automatic level from its case and mount it on the tripod as demonstrated by the instructor in the classroom; then place the tripod cap and instrument lens
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This note was uploaded on 01/13/2011 for the course BRAE 237 taught by Professor Mastin during the Winter '10 term at Cal Poly.

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E03 Introduction - LABORATORY EXERCISE 03 INTRODUCTION TO DIFFERENTIAL LEVELING OBJECTIVE Identify the parts of an automatic level Review the

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