(1) No deviation from the sanctioned plan shall be made during erection or execution of any work.
(2) Notwithstanding anything contained in sub-rule (1),-
(a) if during erection or execution of work any internal alteration within the sanctioned covered space which does not violate the provisions of the Act or these rules, is intended to be made, the person referred to in sub-rule(1) of rule 13 shall inform the ULB by notice in writing along with a certificate from the Architect or the Licensed Building Planner, as the case may be, together with drawings incorporating the deviations and structural calculation in case of structural deviations, stating the nature and purpose of Plan’ under rule 33; of such deviations at east 15(fifteen) days prior to carrying out such erection or execution of work and may proceed with the Page 27 execution of such work subject to the condition that such deviations shall be incorporated in the ‘Completion plan’ under rule 33;
(b) if during the erection or execution of work any external deviation beyond sanctioned covered space is intended to be made and which does not violate the provisions of the Act or these rules, the person referred to sub-rule (1) of rule 13 shall, prior to carrying out such erection or execution of works, submit, in accordance, with the provisions of those rules, a revised plan incorporating the deviations intended to be carried out, for obtaining necessary sanction thereof.
(3) If no notice is served under clause (a) of sub-rule (2) above, or the work of erection or execution is undertaken without the sanction referred to in clause( b) above, such erection or execution of work shall be deemed to be in contravention of the provisions of the Act and these rules and shall be dealt with accordingly.