Column No.

Reinforcement (mm2)

x-section (mm2)

Current

Original

Check

Current

Original

Check

C04

2011

2011

safe

500 × 300

500 × 300

safe

C05

2011

2011

safe

500 × 300

500 × 300

safe

C07

4022

2011

unsafe

900 × 300

500 × 300

unsafe

C12

2815

2011

unsafe

600 × 300

500 × 300

unsafe

C20

2011

2011

safe

500 × 300

500 × 300

safe

C22

2011

2011

safe

500 × 300

500 × 300

safe

C23

2011

2011

safe

500 × 300

500 × 300

safe