Lesson 8 : Tape measurmenets 1

Introduction

1) one of the fundamental operation in surveying is distance measurement  .

2) distance measurement can be done by :

1. passing 
2. wheels 
3. taping 

• also the term chaining is used .
• the oldest instrument used is chain 
• later on tape 

3) stadia method 

• the distance is computed from angle measurements and staff readings .

4) electronic distance measurement - the most modern technique .