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J V under and along said easement strips. Grantee, its successors and assigns, shall have reasonable access within said easement strips for said purposes, "but at their sole cost and expense shall "be required to take such steps as are required by sound engineering practice to support said railroad tracks and appurtenant facilities, prevent damage thereto or interruption of ser­vice thereover. Except in the case of emergency, Grantor, its successors and assigns, shall not be entitled to make excavations upon or in the vicinity of said easement strips which might endanger the water pipe lines and appurtenances therein of the Grantee, its successors and assigns, or to re­move or disturb any such water pipe lines and appurtenances for the purpose of constructing, maintaining, operating, repairing or replacing said rail­road tracks or railroad operating facilities until after 2k hours' notice to the Grantee, its successors and assigns; and in the case of emergency immediate notice of such work shall be given to the agents or employees of the Grantee, its successors and assigns, who can be found nearest to the point of work. Grantor, its successors and assigns, shall not be en­titled to temporarily remove or disturb any water pipe lines except after having given notice hereinbefore provided and unless and until Grantor, its successors and assigns, shall have taken such steps as are required by sound engineering practice to prevent the interruption of water service to customers and the distribution of water to areas then being served by said water pipe lines. If any water pipe lines and appurtenances shall have been in­stalled in any such easement strips in accordance with the provisions of this deed, Grantors, their successors and assigns, shall bear the expense of any additional reinforcement, relocation or replacement of said water pipe lines and appurtenances which may thereafter be required to protect said water pipe lines by reason of the construction of new railroad tracks or railroad operating facilities or change of grade of existing railroad tracks or railroad operating facilities over or under said water pipe lines. The easement hereby granted is subject to all restrictions, limitations, easements and encumbrances of record and to all existing rights of other persons in and to the lands of the Grantors whether of record or not. The Grantors, their successors and assigns, reserve the right to construct roads, pipe lines, wire lines over, under, along across said easement strips and to use said easement strips, and to grant to others the right to use said easement strips, for any purpose whatso­ever which will not unreasonably interfere with the construction, minten-ance, operation, repair and replacement of water pipe lines and appurtenant facilities by Grantee, its successors and assigns, under and along said easement strips. At the request and expense of the Grantors, their successors or assigns, the Grantee, its successors or assigns, shall hereafter from time to time relocate all or any portion of the water pipe lines then maintained under and along said easement strips to other easement strips of the same width which shall be granted without cost to Grantee, its successors or 2