Section 61

When the Board opens or breaks up the road or pavement of any street or bridge, or any sewer, drain or tunnel, he shall with all convenient speed complete the work for which the same shall be broken up, and fill in the ground and reinstate and make good the road or pavement, or the sewer, drain or tunnel so opened or broken up, and carry away the rubbish occasioned thereby, and shall at all times, whilst any such road or pavement shall be so opened or broken up, cause the same to be fenced and guarded and shall cause a light sufficient for warning the public to be set up and maintained against or near such road or pavement where the same shall be opened or broken up every night, before sunset and until sunrise, during which the same shall be continued opened or broken up and shall keep the road or pavement which has been broken up in good repair for three months after replacing and making good the same, and for such further time, if any, not being more than six months in the whole, as the soil so broken up shall continue to subside.