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

Explain energy grade line (egl), Explain Energy Grade Line (EGL) Graph ...

Explain Energy Grade Line (EGL) Graph of the sum of the potential, pressure and kinetic energies along a pipe or open channel. Energies are plotted along the y-axis above a dat

What is the unit weight of water, In a pipette analysis, 0.5 N of dry soil ...

In a pipette analysis, 0.5 N of dry soil (fine fraction) of specific gravity 2.72 were mixed in water to form half a litre of uniform suspension. A pipette of 10 ml capacity was

What are service reservoirs, Q. What are Service reservoirs? Service re...

Q. What are Service reservoirs? Service reservoirs, other than normal reservoirs are provided due to the subsequent reasons:  (i)  In case of breakdown of pumping stations a

Advantageous to use concrete of very high power, Question Will it advantag...

Question Will it advantageous to use concrete of very high power for example exceeding 60MPa? What are potential problems connected with high strength concrete ? Answer To in

Explain the design criteria for sedimentation basin, Explain the Design Cri...

Explain the Design Criteria Sedimentation basin Surface Loading rate (or overflow rate), Vo = Q/A (flow rate/surface area) Detention time t or ? = V/Q (Volume /Flow rate)

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

Difference between compaction and consolidation of soil, Briefly explain th...

Briefly explain the difference between compaction and consolidation of soil. What is the effect of compaction on soil properties? Ans.- Compaction - The process of increas

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