✅ HOW TO DECIDE THE SIZE OF A COLUMN? 1️⃣ Depend On Load ◾Column Size Is Decided Based On Dead Load, Live Load, Wind/earthquake Forces, And Building Height 2️⃣ Thumb Rule (G 1 or G 2 Building) ◾Minimum size: 9” × 12” (230 mm × 300 mm) ◾With 4 or 6 bars of 12 mm dia (Fe500) ◾Clear cover: 25 mm 3️⃣ Slenderness Should Be Avoided ◾Effective Length / Least Lateral Dimension . Ratio Should Not Exceed 12 To Avoid Buckling. 4️⃣ Factors to Consider ◾Total Number Of Floors ◾Floor Load Beam Load ◾Soil Bear