That portion of the service pipe without the limits of a street, avenue, road or way as hereinbefore defined or easement area shall be provided, placed, constructed and maintained by the property owner or the customer but in accordance with such reasonable specification for the construction and maintenance thereof as may be filed in the tariff schedules of said water-works corporation.
N.Y. Comp. Codes R. & Regs. Tit. 16 § 501.5