A sewerage undertaker may sell any materials which—
have been removed by that undertaker from any premises, including any street, when carrying out works under, or otherwise carrying into effect the provisions of, the relevant sewerage provisions; and
are not before the end of three days from the date of their removal claimed by the owner and taken away by him.
Where a sewerage undertaker sells any materials under this section, they shall pay the proceeds to the person to whom the materials belonged after deducting the amount of any expenses recoverable by the undertaker from him.
This section is subject to any rights conferred by virtue of paragraph 1 of Schedule 14 to this Act, does not apply to refuse removed by a sewerage undertaker and is not to be taken as prejudicing the determination of the rights and liabilities of a relevant undertaker when exercising a power in any case to which the preceding provisions of this section do not apply.