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

Main advantages of using rubber dams, Question In assortment of dams in...

Question In assortment of dams in drainage channels, what are the main advantages of using rubber dams instead of steel-gate dams ? Answer Key Advantages of rubber d

Plant location and facility layout, Plant Location and Facility Layout: ...

Plant Location and Facility Layout: This unit explain the general definition of Plant location and facility layout. Several factors affecting the location decision of a firm o

Define in brief about the term - concrete, Define in brief about the term -...

Define in brief about the term - Concrete Concrete is reinforced with steel bars in structural components so that the tensile stresses are taken up by the reinforcement. These

Define storms - underwater inspection of bridge, Define Storms - underwater...

Define Storms - underwater inspection of bridge? Storms can have a detrimental effect on bridge substructure. The velocity and depth of water and debris carried increase in rel

Light-weight aggregate prestressed concrete, Light-weight Aggregate Prestre...

Light-weight Aggregate Prestressed Concrete The use of  light-weight aggregate concrete for prestressed concrete construction is well established. The main advantage of  light-

Moment redistribution, how to draw the shear diagram after redistribution o...

how to draw the shear diagram after redistribution of moments

Explain the coefficient of permeability, A sand deposit of 12 m thick overl...

A sand deposit of 12 m thick overlies a clay layer. The water table is 3 m below the ground surface. In a field permeability pump-out test, the water is pumped out at a rate of 540

Define the degree of saturation and soil moisture content, Establish the r...

Establish the relationship among degree of saturation, soil moisture content, definite gravity of soil particles, and void ratio. The volume of an undisturbed clay sample having

Chemical prestressing, Chemical prestressing In prestressed concrete, ...

Chemical prestressing In prestressed concrete, normally tendons are stretched and are retained in a stretched condition by concrete. Consequently, concrete comes under compres

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