Undertakers executing any code-regulated works which include breaking up or opening a sewer, drain or tunnel not being a F1public sewerF1sewer vested in a local authority shall be under obligation to reinstate it and make it good.

If undertakers fail to carry out reinstatement and making good in accordance with an obligation to which they are subject by virtue of this subsection, the authority, body or person having the control or management of the sewer, drain or tunnel may themselves carry it out, and the undertakers shall pay to them or him an amount equal to the cost reasonably incurred by them or him of carrying it out.

The provisions of section twenty-six of this Act as to obligations of undertakers executing works in a F2streetF2road or in controlled land in relation to apparatus of other undertakers (therein referred to as owning undertakers) shall have effect in relation to sewers, drains and tunnels not being F2public sewersF2sewers vested in local authorities and to authorities, bodies and persons having the management or control thereof, as those provisions have effect in relation to apparatus of owning undertakers and to those undertakers.