25 July 2016 . 1100am . Monday . Site Survey Chapter : Levelling

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Levelling

details of levels such as dumpy, tilting and auto leveling staff. temporary

defination :

principle :

objective :

Term used in levelling

1. Level Surface
2. Level Line
3. Horizontal Plane
4. Horizontal Line

Permanent Bench Mark
its fixed in between GTS benchmarks by govt, agencies such as railways, PWD ect. This benchmarks are written on permanent objects such as milestones, culverts, bridges etc their value are clearly written and their position are recorded for future reference


Arbitary Bench Mark
Temporary Bench Mark

Classicfication of leveling
simple
difference
fly
classification


as a real estate do leveling important for us?
roll the coin on the tile . if its bouncing mean the leveling is not

channel out the water level towards drainage or lower area
balcony, kitchen and bathroom, carporch