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

Bearing capacity, which kind of pile can increase the bearing capacity, if ...

which kind of pile can increase the bearing capacity, if the water level high in sang soil surface?

Physics, interplanar spacing

interplanar spacing

Preparation for underwater inspection - tool and equipment, Preparation for...

Preparation for Underwater Inspection - Availability of Tools and Equipment The engineer-in-charge, before taking up the inspection, should list out the complete equipment req

Determine the co-ordinates of grain-size distribution curve, In a hydromete...

In a hydrometer analysis, 0.5 N of soil was mixed in water to form one litre of uniform suspen- sion. The corrected hydrometer reading after a lapse of 60 min. from the start of se

Explain the contracted rectangular weir, Explain the Contracted Rectangular...

Explain the Contracted Rectangular Weir Weir plate has sides which extend above the maximum water surface, directing the flow through an opening (b = weir length). Typically th

Calculate the natural frequency of the system, A machine weighing 500 kN is...

A machine weighing 500 kN is mounted on a concrete block resting on soil. The base area of the block is 25 m 2 , and the weight is 100 kN. The coefficient of elastic uniform com

Human resource, Ask question #Minimum 100 words acceFor this discussion, lo...

Ask question #Minimum 100 words acceFor this discussion, look at a specific country of your choice. Develop two brief introductions, one for a U.S. peer, and one for a peer in anot

Structure analysis, In a cantilever truss it is very essential to find out ...

In a cantilever truss it is very essential to find out the reactions before analyzing it.

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