Section 77 in The Greater Noida Industrial Development Area Building Regulations, 1992
77. Spiral stair fire escape.
- The use of spiral stair fire escape shall be limited to low occupant load and to a building up to 9 mtrs. height unless they have connected platforms, such as balconies and terraces to allow escape to pause. A spiral stair fire escape shall be not less than 1.50 mtrs in diametres.
