Clear Cover for Main Reinforcement

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

 

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