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

Define construction damage - underwater inspection of bridge, Define Constr...

Define Construction damage - underwater inspection of bridge? Construction damage can result from improper procedures during the construction phase.  Some examples are: -  P

Tack rivet, tack rivet figures with connections

tack rivet figures with connections

Design of steel beam column with hot rolled steel built-up s, how to comput...

how to compute the compound elements particularly outstanding element of compression flange if 2-ismb300 are placed side by side

How to do deflection calculations, How to do deflection calculations Ba...

How to do deflection calculations Basic values of span to effective depth ratios for spans upto 10m may be taken as 7, 20 and 26 for cantilever, simply supported and continuous

Tests on bitumen, Tests on Bitumen: The following tests are conducted...

Tests on Bitumen: The following tests are conducted on bitumen to find its suitability as a road binder : (a) Penetration test (b) Softening Point test (c) Flash Poi

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