Paragraph 20 Retained apparatus
(1)
Not less than 56 days before commencing to construct or renew any specified work, the undertaker must submit to the public utility plans of the works.
(2)
The plan to be submitted to the public utility under sub-paragraph (1) must (unless otherwise agreed in writing) include a method statement and describe—
(a)
the exact position of the specified work;
(b)
the level at which the specified works are proposed to be constructed or renewed; and
(c)
the manner of their construction or renewal including details of excavation and positioning of plant.