| S. No. | Type | Base dimension | Size of column | |||
| m | m | m | m | m | ||
| 1 | B1 | 24.00 × 24.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 2 | B2 | 30.00 × 30.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 3 | B3 | 36.00 × 36.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 4 | B4 | 42.00 × 42.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 5 | B5 | 48.00 × 48.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 6 | B6 | 54.00 × 54.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 7 | B7 | 60.00 × 60.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 8 | B8 | 66.00 × 66.0 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |
| 9 | B9 | 72.00 × 72.00 | 1.0 × 1.0 | 0.75 × 0.75 | 0.6 × 0.6 | 0.5 × 0.5 |