|Sun Sep 18, 2016||Total posts : 1
| Topic: sir please give me send method of building layout please live vedio with teach s
sir please give me send method of building layout please live vedio with teach send please thanks
|Mon Sep 19, 2016||Post #1|
|S L Gupta (Civil Engg)|
Join date: Mar 2008
The following procedure is recommended for demarcation of a building.
For layout of a building baseline is marked on the
ground either from centre line of the road or from any permanent
building nearby. This line helps to mark out the front of a building.
Side baseline is also marked with the help of side structure or road or
it can be marked with the help of first baseline or boundary of the
Fix temporary pegs at the centre line of walls/columns on both sides of walls and columns in front and back side.
Fix peg at the centre line of walls/columns on both sides of wall and columns in left and right side of front of building.
Check diagonals of the square or rectangle formed after fixing pegs.
Construct Burji or marking pillars with pegs at a distance of 1.5 meter to 2 meters and their top surface should be plastered.
Mark centre line on the top of Burjis with the help of
thread (Soot) or with the Thedolite in big projects and the diagonal
and other dimension should be checked.
Level Burji on all corners of building and the top level is fixed at a proposed plinth level.
Mark the foundation of walls/columns according to drawing on the ground with the help of centerline marked on the Burji.
Mark foundation trenches on the ground with chalk powder.
Excavate the foundation of the walls /columns up to
required level and the excavation must be checked with the help of
centre line and level burji to avoid any complication later on.
Advantages of Layout with the help of Burjis
It saves time for measuring and setting of point again and again at the time of construction.
It increases the efficiency of mason and foreman for doing their jobs.
Accuracy can be checked at any time at any step.
If any mistake is found, it can be easily be rectified at early stage. It is very difficult to rectify the mistake in later.
Cross check can be done by senior engineer in minimum time.
A qualitative work is maintained.
Disadvantages for doing the work without layout
At some sites of work the contractor brings steel
pieces, erects the same on the ground and start the work of excavation.
In due course these steel pieces are just discarded. Thus no proper
reference point is available while doing further jobs.
It involves extra time for measuring the offset again and again.
Accuracy can not be checked at early stage and it will be very difficult to rectify the same in later stage.
It involves wastage of time and money while doing rectification. This also leads to bad quality of work.
Materials used during Setting up of Layout
Thin Cotton Thread
Layout of Building
Layout of Building
The real meaning and purpose of setting out (layout) is to transfer
the plan, length and width of its foundation on the ground so that the
foundation can be excavated for construction of purposed building as per
The following preliminary works should be executed before actual planning of layout for the house.
- Clear the site from all grass, bushes, trees, etc.
- Record spot levels of the ground.
- Construct a permanent bench mark in construction area.
For setting out /layout, the most important requirement is to
establish a baseline. This is marked on the ground as per site plan
requirement with the help of offsets which are taken from the existing
road or existing building.
Centre line divides the plan into two equal parts. This can be marked
in the field with the help of baseline. This line is very necessary and
useful for layout. This line should be transferred to Burjis and be
kept up to the completion of foundation work.
'Burjis' and its' Distance
Burji or marking pillars are masonry pillars constructed with bricks
and cement mortar. These are constructed on both ends of walls /columns
and center line should be marked on the top surface of the burjis with
the help of base line. Burji is also constructed for indicating the
plinth level of the building. Burjis are very useful for the layout.
Accuracy of the foundation can be checked with the help of Burji at any
time during construction. Burjis should be kept intact till completion
of foundation work.
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