Section 247 · When building or work may be proceeded with

(1) Where within a period of sixty days after the receipt of any notice under section 243 or section 244 or of the further information, if any, required under section 245 the Commissioner does not refuse to sanction the building or work or upon refusal does not communicate the refusal to the person who has given the notice, the Commissioner shall be deemed to have accorded sanction to the building or work and person by whom the notice has been given shall be free to commence and proceed with the building or work in accordance with his intention as expressed in the notice and the documents and plans accompanying the same : Provided that if it appears to the Commissioner that the site of the proposed building or work is likely to be affected by any scheme of acquisition of land for any public purpose or by any proposed regular line of a public street or extension, improvement, widening or alteration of any street, the Commissioner may withheld sanction of the building or work for such period not exceeding sixty days as he deems fit and the period of sixty days shall be deemed to commence from the date of the expiry of the period for which the sanction has been withheld. (2) Where a building or work is sanctioned or deemed to have been sanctioned by the Commissioner under sub-section (1), the person who has given the notice shall be bound to erect the building or execute the work in accordance with such sanction but not so as to contravene any of the provisions of this Act or any other law or of any bye-law made thereunder. (3) If the person or any one lawfully claiming under him does not commence the erection of the building or the execution of the work within one year of the date on which the building or work is sanctioned or is deemed to have been sanctioned, he shall have to give notice under section 244 or, as the case may be, under section 243 for fresh sanction of the building or the work and the provisions of this section shall apply in relation to such notice as they apply in relation to the original notice. (4) Before commencing the erection of a building or execution of a work within the period specified in sub-section (3), the person concerned shall give notice to the Commissioner of the proposed date of the commencement of the erection of the building or the execution of the work: Provided that if the commencement does not take place within seven days of the date so notified, the notice shall be deemed not to have been given and a fresh notice shall be necessary in this behalf. (5) Where the building plan is sanctioned or deemed to have been sanctioned, the person, at whose instance building operations are to be carried on, shall, after the excavation of the foundation and before starting construction thereon, intimate the Corporation about the excavation of the foundation. (6) For the purpose of ascertaining, whether the strata of the land, over which a building is to be erected is geologically fit, and the building operation thereon can be carried out in accordance with the sanctioned plan, the Corporation may, within seven days from the intimation under sub-section (5), cause inspection of excavated foundation to be made by such persons as it may direct, and in such manner as may be prescribed: Provided that the person at whose instance the building operations are carried out shall be associated in the inspection. (7) The persons making the inspection under sub-section (6), may communicate to the person, from whom intimation under sub-section (5) has been received, its views in regard to the result of such inspection and may after ascertaining the opinion of the said person, recommend to that person the action to be taken as a result of such inspection and also report to the Commissioner the action, if any, which is proposed to be taken for the purposes of implementation of any such recommendation. (8) On the receipt of the report under sub-section (7), the Corporation may, within seven days from the date of intimation under sub-section (5), give such direction to the person concerned, as it may deem fit.