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

Calculate benefit cost ratio for government project, Calculate the Benefit-...

Calculate the Benefit-Cost Ratio for Municipal Government Project With interest at 10%, the benefit-cost ratio for this municipal government project is most nearly:   Initia

Structural analysis, steps to analysis a portal frame with sway condition

steps to analysis a portal frame with sway condition

Pelton wheel, what is the use of the pelton wheel

what is the use of the pelton wheel

Show the benefits of adopting marine fill, In reclamation involving large v...

In reclamation involving large volumes of fill and tight programme, shall engineers use marine fill or mud extracted from land borrow area as filling material?  There are two

Sheer stress, what is sheer stress on triangle beam.

what is sheer stress on triangle beam.

Joints in box culverts and channels, Joints in box culverts and channels - ...

Joints in box culverts and channels - necessity of water tightness The joints for box culverts and channels must be capable of accommodating movements arising from moisture an

Ranging, describe reciprocal ranging

describe reciprocal ranging

Show the direction of gunning in shotcreting, Q. Show the Direction of gunn...

Q. Show the Direction of gunning in shotcreting? At the time of the construction of shotcrete, it is intended at gunning the full thickness in one single operation and this hel

Perform a personal skills audit, Perform a Personal Skills Audit Your ...

Perform a Personal Skills Audit Your employer wishes you to become an effective and confident self-directed employee. With this in mind they have set you some tasks. These wil

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