Minimum thickness of slab = 5" to 6 "
Minimum size of column = 250 mm x 300 mm (9" x 12")
Maximum Distance between two columns = 4.5 to 6 m ( 14' to 20')
Minimum Distance between Two columns = 6' to 10 '
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1000 sq. ft. Concrete Slab Construction Cost :
https://youtu.be/AETDlp2VOz0
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Estimation - Centre Line Method in excel sheet
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