The Oriental Gas Company Act No. 1857
18. Power to examine gas-pipes to ascertain cause of water being fouled.-
For the purpose of ascertaining whether such water be fouled by the Gas of the said Company, the person to whom the water supposed to be fouled shall belong, may dig up the ground, and examine the conduits, and works of the said Company; provided that such person, before proceeding so to dig and examine, shall give twenty-four hours' notice in writing to the said Company of the time at which such digging and examination is intended to take place, and shall give the like notice to the persons having the control or management of the road, pavement, or place where such digging is to take place, and they shall be subject to the like obligation of reinstating the said road and pavement, and the same penalties for delay, or any nonfeasance or misfeasance therein, as are hereinbefore provided with respect to roads and pavements broken up by the said Company, for the purpose of laying their pipes.