Clear Cover to Main Reinforcement for
Footings: 50mm
Raft foundation Top: 50mm
Raft foundation Bottom / sides: 75mm
Strap Beam: 50mm
Grade Slab: 20mm
Column: 40mm (d>12mm) 25mm (d= 12mm)
Shear Wall: 25mm
Beams: 25mm
Slabs: 15mm or not less than diameter of the bar.
Flat Slab: 20mm
Staircase: 15mm
Retaining Wall on Earth: 20 / 25mm
Water retaining structures: 20 / 30mm
Sunshade: 25mm