Explain the statements about the differential levelling, Civil Engineering

Assignment Help:

 

Explain the Statements about the Differential Levelling

I.  Bench mark (BM) - relatively permanent point of known elevation as indicated on the Contract drawings 

II. Back sight (BS) - a sight taken to the level rod held at a point of known elevation (either BM or TP)

III. Height of Instrument (HI) - the elevation of the line of sight of the telescope

IV. Foresight (FS) - a sight taken on any point to determine its elevation

 


Related Discussions:- Explain the statements about the differential levelling

Advantages of unbonded post-tensioning systems, Advantages of unbonded post...

Advantages of unbonded post-tensioning systems Similarly, some advantages of unbonded post-tensioning systems over bonded post-tensioning ones may be written as under :  (a)

Determine about the hard-drawn steel wires, Determine about the Hard-drawn ...

Determine about the Hard-drawn steel wires Hard-drawn steel wires which are indented or crimped are preferred for pre-tensioned members as their bond characteristics are superi

Pcc, Specific Gravity & Water Absorption of Fine Aggregate

Specific Gravity & Water Absorption of Fine Aggregate

#frames, confusion on shear force diagram, bending moment diagram

confusion on shear force diagram, bending moment diagram

List the factor that affect the permeability of a given soil, List the fact...

List the factors that affect the permeability of a given soil. Determine the precautions that should be taken so that satisfactory permeability data may be obtained. Explaining

Methods of constructing roads in marshy areas, Methods of Constructing Road...

Methods of Constructing Roads in Marshy Areas: The following methods are adopted for constructing roads in marshy areas: (a) Removal of soft soil and replacement with good

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd