7.—(1) Not less than 28 days before commencing the execution of any works that are referred to in paragraph 5(2) and are near to, or will or may affect, any apparatus the removal of which has not been required by Network Rail under paragraph 5(2), Network Rail shall submit to the undertaker in question a plan, section and description of the works to be executed.
(2) Those works shall be executed only in accordance with the plan, section and description submitted under sub-paragraph (1) and in accordance with such reasonable requirements as may be made in accordance with sub-paragraph (3) by the undertaker for the alteration or otherwise for the protection of the apparatus or for securing access thereto and the undertaker shall be entitled by its officer to watch and inspect the execution of those works.
(3) Any requirements made by the undertaker under sub-paragraph (2) shall be made within a period of 21 days beginning with the date on which a plan, section and description under sub-paragraph (1) are submitted to it.
(4) If an undertaker within 21 days after the submission to it of a plan, section and description, shall, in consequence of the works proposed by Network Rail, reasonably require the removal of any apparatus and gives written notice to Network Rail of that requirement, the foregoing provisions of this Part of this Schedule shall apply as if the removal of the apparatus had been required by Network Rail under paragraph 5(2).
(5) Nothing in this paragraph shall preclude Network Rail from submitting at any time or from time to time, but in no case less than 28 days before commencing the execution of any works, a new plan, section and description of the works in place of the plan, section and description previously submitted, and thereupon the provisions of this paragraph shall apply to and in respect of the new plan, section and description.
(6) Network Rail shall not be required to comply with sub-paragraph (1) in a case of emergency but in that case it shall give to the undertaker in question notice as soon as reasonably practicable and a plan, section and description of those works as soon as reasonably practicable thereafter and shall comply with sub-paragraph (2) so far as reasonably practicable in the circumstances.