WC and Home norms
Seat height/leg length - correct answer 19.5-20.5 inches
seat depth - correct answer 16 inches
seat width - correct answer 18 inches
Back height - correct answer 16-16.5 inches
Armrest height - correct answer 9 inches above chair seat
Stairs - correct answer 7 inches in height, 11 inches in depth
Handrails - correct answer 34-38 inches, 12 inch extension after last step
Ramps - correct answer 1:12 ratio
Platform lifts - correct answer length 54-60 inches, width 34-32 inches
Entrances - correct answer door out 5x5ft, door in 3x5ft
Doorway - correct answer width 32-34 inches
Wood flooring joints - correct answer 0.25-0.5cm wide
Kitchen counters - correct answer 31 inches in height, 24 inches deep, knee clearance 27.5-30 inches
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