London Government Act 1963

6 (1) The Greater London Council may make byelaws—

(a) for regulating the dimensions, form and mode of construction, and the maintenance, cleansing and repair, of pipes, drains and other means of communication with sewers, and the traps and apparatus connected therewith, and for prescribing the levels at which such means of communication, traps and apparatus as aforesaid are to be laid ;

(b) for requiring persons who are about to construct, reconstruct, or alter pipes, drains or other means of communication with a sewer, or the traps or apparatus connected therewith, to deposit with the local authority such plans, sections and particulars of the proposed work as may be necessary for the purpose of ascertaining whether it will comply with the requirements of the enactments mentioned in section 37 (1) of this Act, of this Part of this Schedule and of any byelaws under this paragraph:

Provided that byelaws made under paragraph (b) of this sub-paragraph—

(i) shall not require the deposit of plans or sections in the case of any repair which does not involve the alteration or entire reconstruction of any such means of communication as aforesaid or of the traps or apparatus connected with a sewer, and

(ii) in a case where the alteration of a drain must be carried out at once, shall not require the deposit of plans, sections and particulars of the proposed work before it is begun, but may require the deposit thereof within such period after the commencement of the work as may be specified in the byelaws.

(2) Byelaws under this paragraph shall only apply to the inner London boroughs.