60. Whenever any drain in, or the pavement or surface of, any street vested in the Kartripakkha is opened or broken up by the Kartripakkha for the purpose of carrying on any work, or whenever the Kartripakkha allow any street which they have under construction to be used for public traffic, the Kartripakkha shall cause the place to be fenced and guarded and to be sufficiently lighted during the night, and shall take proper precautions for guarding against accident by shoring up and protecting adjoining buildings, and shall, with all convenient speed, complete the said work, fill in the ground, and repair the said drain, pavement or surface, and carry away the rubbish occasioned thereby or complete the construction of the said street, as the case may be.