Section 92 in The Punjab Scheduled Roads and Controlled Areas Restriction of Unregulated Development Rules, 1965
92. Chimney stacks [Sections 8(2) and 25(2)(f)].
- Chimney stacks or smoke flues shall be carried up to a height of not less than three feet and not more than six times the least width of the chimney above the adjoining roof and shall be built at least 4½ inches thick. The maximum height for any stack may be exceeded if it is adequately secured against overturning.(2)Height of chimney stack may be reduced to 1 foot 6 inches when the roof is made up of a fire resisting materials. The top six courses of all stacks shall be built in cement mortar.
