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The ISO A0 size is defined as having an area of one square meter. Each smaller sheet size is exactly half the area of the previous size an A0 sheet cut in half gives two A1 sheets an A1 sheet in half you get two A2 sheets Letter Size of sheet A B mm mm A0 841 1189 A1 594 841 A2 420 594 A3 297 420 A4 210 297 A5 148 210 A6 105 148

CALCULATION OF STEEL WEIGHT WEIGHT OF 12MM DIA/Meter Density of Steel - 7850kg/M 3 Area of 12mm thick –   - 0.000113 M 2 Weight of 12mm dia thick rod per meter = 0.000113 x 7850 = 0.88705kg/m Quick calculation – D2/162 = 12 2 /162 = 0.888

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CALCULATION OF MATERIAL QUANTITY. CONCRETE Mix Ratio 1:2:4   - -   (1:2:4)=1+2+4=7 7 is mixing propotion Volume of wet cement concrete - 1.54 to 1.57   unit weight of cement is 1440kg/cum 1 bag of cement – 50kg/bag   -   =50/1440=0.034722 cum   Cement = 1.54/7=0.22                    0.22/0.03472=6.33 bags 1bag of cement = 50kgs                                 =6.33*50kgs=316.82 kgs   sand                     = 0.22*2=0.44cum                               ...