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

Non-distortional prestressing, Non-distortional Prestressing Concrete m...

Non-distortional Prestressing Concrete members deflect due to their own self weight. If prestressing force is applied in such a way that these deflections are eliminated due to

What is assisted siding, Q. What is Assisted Siding? An Assisted Siding...

Q. What is Assisted Siding? An Assisted Siding is a siding to serve a factory, mill or other industrial premises other than colliery or mining are because such siding is antici

Dam, how can i prepare a project on dam

how can i prepare a project on dam

Rock reinforcement – how it works, Rock reinforcement - how it works? ...

Rock reinforcement - how it works? For rocks with widespread fractures, individual blocks resulting from these fractures can fall out and as a result slope failure can take pl

Strength of rivet joints, Please help me to write a c program to find stren...

Please help me to write a c program to find strength and efficiency of lap joint, single cover butt joint, double cover butt joint

Uncompacted bedding for concrete pipes, Uncompacted bedding for concrete pi...

Uncompacted bedding for concrete pipes In the middle third of the base of precast concrete pipes, bedding layers are suggested to be left Uncompacted since it helps to decreas

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