(4)In executing any work under this section, as little damage as possible shall be done and the owner or occupier of the building or land for the benefit of which the work is done shall cause the work to be executed with the least practicable delay and fill in, reinstate and make good at his own cost the ground or any portion of the building or other construction opened, broken up or removed for the purpose of executing the said work and pay compensation to any person who sustains damage by the execution of the said work.
