Section 135 in Kolkata Municipal Corporation Building Rules, 2009
135. Alternative materials methods of designs and Construction.
- The Municipal Commissioner may approve any alternative materials or method of design or construction if he is satisfied that such alternative is satisfactory and conforms to the provisions of the relevant parts of the National Building Code of India regarding materials, methods of design and construction and that such materials, method of design or works are for the purpose intended equivalent to those specified in the Code in quality, strength, compatibility, effectiveness, fire and water resistance, durability and safety.
