10(1)The Greater London Council may make byelaws in relation to the demolition of buildings in the inner London boroughs—
(a)requiring the fixing of fans at the level of each floor of a building undergoing demolition,
(b)requiring the hoarding up of windows in a building from which sashes and glass have been removed,
(c)regulating the demolition of internal parts of buildings before any external walls are taken down,
(d)requiring the placing of screens or mats, the use of water or the taking of other precautions to prevent nuisances arising from dust,
(e)regulating the hours during which ceilings may be broken down and mortar may be shot, or be allowed to fall, into any lower floor,
(f)requiring any person proposing to demolish a building to give to the borough council such notice of his intention to do so as may be specified in the byelaws.
(2)Byelaws under this paragraph may make different provision for different cases, and in particular may provide that, in their application to an area specified in the byelaws, the byelaws shall have effect subject to such modifications or exceptions as may be so specified.
(3)No byelaws under this paragraph shall apply to a building (not being a dwelling-house) belonging to a board carrying on a railway undertaking and used by that board as a part of, or in connection with, that undertaking.
11The Greater London Council shall make byelaws with respect to sanitary conveniences, ashpits, cesspools and receptacles for dung and their accessories, in connection with buildings in the inner London boroughs, the Inner Temple and the Middle Temple, whenever erected.
12It is the duty of each local authority to enforce in their area any byelaws under paragraph 10 or 11 above that are in force in their area.
13Part IV of this Act does not apply in relation to this Part of this Schedule, save that in paragraph 11 above “sanitary conveniences ” and “cesspools” have the meanings given by section 126 above.