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

Stacking of materials for building, briefly explain the stacking of materia...

briefly explain the stacking of materials in the site for general building

Practically the dielectric constant of air is taken as , Practically  the ...

Practically  the dielectric constant of air is taken as? Answer: The dielectric constant of air is taken as  unity.

Explain the clearance interval - signalized intersections, Explain the Clea...

Explain the Clearance Interval - Signalized Intersections  Also known as "Red Clearance Interval" and "All Red"        r = (w+L) / V - If there is no pedestrian traffic r

Calculate roller production, Calculate Roller Production An excavating ...

Calculate Roller Production An excavating contractor determined through a test strip, that a smooth steel-wheel vibrating roller compactor operating at 3-mph can compact a 6-in

How to calculate the coefficient of permeability, The discharge of water co...

The discharge of water collected from a constant head permeameter in a period of 15 minutes is 500 ml. The internal diameter of the permeameter is 5 cm and the measured difference

Engineer''s role on Transportation Problems In the Society, #question.Techn...

#question.Techniques of Operations Research - Transportation Problem, Transportation Models Transportation Problems Transportation plays an important role in our econ

Flash point test, Flash Point Test: The flash point is the temperatur...

Flash Point Test: The flash point is the temperature at which the bitumen gives off vapours which ignite in the presence of a flame. The flash point temperature gives the cri

Cost of utilities and taxes, The cost of utilities, taxes and maintenance o...

The cost of utilities, taxes and maintenance on a home is $3,000 per year.  The amount of money that would have to be invested now at 8% to cover these expenses for the next 5 year

Physics, interplanar spacing

interplanar spacing

Determine equipment purchase yields a minimum 15% return, A contractor esta...

A contractor established a policy to purchase equipment over leasing only if the return is a minimum of 15%. Given the following conditions, the contractor's decision based on the

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