(Amended by Ordinance No. 176955, effective October 9, 2002.) The Water Bureau shall perform all work for installation of a water service within the existing public right-of-way or within an easement except as detailed in Section 21.12.130 "Service Maintenance Responsibility." The Chief Engineer and the Administrator may allow a developer to install all or part of a water service in a subdivision currently under construction. No work by others shall occur on a water service if the Water Bureau has accepted the main for operation and maintenance. Installation and maintenance of the water system on private property is regulated by Title 25, Plumbing Regulations, as administered by the Bureau of Development Services. Responsibilities for maintaining the water service are found in Section 21.12.130 "Service and Maintenance Responsibility."