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Friday, August 13, 2010

taking off procedure

[b][/b]taking off is all about picking dimensions from your working drawings into your taking off shee

your taking off sheet is a specially ruled paper that has columns.
first of all,you need your scale rule which is one of the most important tool as a Quantity surveyor.before you start your taking off,be sure that your drawing is drawn to scale and the dimensions given.it will be easier if all the dimensions are well specified.it will make your job easy and fast.whereby the dimensions are not given,you now make use of your scale rule.the scale rule reads so many dimensions.check for the scale of the drawing you are about taking off to see if its drawn to scale like 1;100, 1;200, 1;150 etc. then you start your taking off.

In reading your dimensions,you need to be very careful to see if its been dimension in to in as in block wall to block wall.
In taking off,you list out the things you need to take off for example,if its a building you want to take off, these are the list of things you need to take off for;

FOR FOUNDATION;these are things needed


1 CLEARING OF SITE

2 EXCAVATION (TOPSOIL,TRENCH)

3 EARTHWORK SUPPORT

4 LEVELING AND COMPACTING

5 FORMWORK

6 BLINDING

7 CONCRETE IN FOUNDATION

8 BLOCKWALL

9 HARDCORE/LATERITE

10 CONCRETE SLAB

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