Section 54 in Haryana Municipal Building Bye-laws 1982
54. Chimney stacks.
(a)Chimney stacks or smoke flues shall be carried upto a height not less than 1 metre and not more than six times the least width of the chimney above the adjoining roof and shall be built at least 10 cm thick. The maximum height for any stack may be exceeded if it is adequately secured against overturning.(b)Height of chimney stack may be reduced as 45 cm. when the roof is made up of fire resisting materials. The top six courses of all stacks shall be built in cement mortar.
