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

Question.A , #q strain gauge arrangement is used to measuuestion..

#q strain gauge arrangement is used to measuuestion..

Permanent repairs to rail fracture, Q. Permanent Repairs to rail fracture? ...

Q. Permanent Repairs to rail fracture? (i) If the fracture is such that, wide gap A T welding ban be adopted, then the total length of fractured ends to-be cut shall be equal t

Mensuration, My team has to construct a swimming pool at the back of the ho...

My team has to construct a swimming pool at the back of the house. It’s interior dimensions are 10M x 3M and 1M at the shallow end and 2.5M at the deep end. The walls and the bas

Torsion, Asolid circular shaft of 25 cm diameter is to be replaced by a hol...

Asolid circular shaft of 25 cm diameter is to be replaced by a hollow shaft .The ratio of external to internal diameters being 2to1.Find the size of the hollow shaft if the maximum

Materials that provide a path to the magnetic flux are , Materials that pro...

Materials that provide a path to the magnetic flux are? Answer: These are magnetic materials

Determine the viscosity of water, A soil sample consists of particles rangi...

A soil sample consists of particles ranging in size from 0.6 mm to 0.02 mm. The average exact gravity of the particles is 2.66. Verify the time of settlement of the coarsest and fi

Quadratics.., applying quadratics in civil engineering

applying quadratics in civil engineering

Steel structure, what do mean by outstand element of compression flange, in...

what do mean by outstand element of compression flange, internal element of compression flange and web general

Atomic weight of an atom is equal to, Atomic weight of an atom is equal to?...

Atomic weight of an atom is equal to? Answer: sum of the number of protons and neutrons.

Paints., contituents of paints

contituents of paints

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