Civil Engineering ⇒ Topic : Offset
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April
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It is the lateral distance of an object or ground
feature measured from a survey line. There are
two types of offsets :- 1. Perpendicular offset 2. Oblique offset The following are the precise instruments
used for setting out right angles :-Various instruments are used in chain survey. They are (1) Chain (2) Arrows (3) Pegs (4) Ranging rods (5) Offset rods (6) Plasterer's laths and whites (7) Plumb bob 1. Cross staff 2. French cross staff 3. Adjustable cross staff 4. Optical square 5. Prism square | |
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