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How to estimate concrete hollow blocks or CHB

A wall has a dimension of 35 meters long and and 7 meters high specify the use of 15 cm. concrete hollow blocks. Prepare a comparative bill of materials for CHB.


15 x 20 x 40 cm. CHB wall
find the area of the wall
A= 35 x 7
A= 275 sq. m.

1 sq. m. of a wall consist of 12.5 pcs of CHB

275 x 12.5 = 3,437.5 pcs of CHB

5 comments:

pathfinder said...
This comment has been removed by the author.
pathfinder said...

Thanks for the good example. This will be useful for checking and calculating new construction works on hollow blocks.

Jun said...

What is cheaper a concrete wall or a combination of concrete and mesh wire

Unknown said...

35 x 7 is not 275 sq m. computations are way off.

RPD thesis said...

standard computation of cement and sand for one hollow block????

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