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

Job, How to get assignment submitting jobfor work from home

How to get assignment submitting jobfor work from home

Bulking of sand, what is the permissible limit of sand

what is the permissible limit of sand

Usage of double air valves and single air valves, Question In designig ...

Question In designig of watermains, how to decide usage of double air valves and single air valves ? Answer Single air control device let squeezing air out of p

Explain strain compatibility in mini-piles, Q. Explain Strain compatibility...

Q. Explain Strain compatibility in mini-piles? In designing the axial capacity of mini-piles, grout can be taken into account in the contribution of axial load capacity. Though

Levelling, the cooke''s reversible level

the cooke''s reversible level

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

Degree, what classes do you have to take and what are some school options?

what classes do you have to take and what are some school options?

Define black and white fathometer - non-destructive testing, Define Black &...

Define Black & White Fathometer - Non-Destructive Testing? Most commonly used sounding device is black & white fathometer. The units are compact and easy to use. They consist o

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