3.—(1) The undertaker shall—
(a)during the whole time of the construction, alteration, replacement or re-laying of a tidal work, exhibit every night from sunset to sunrise at or near the work any such lights, and
(b)take such other steps for the prevention of danger to navigation from the construction, alteration, replacement or re-laying of a tidal work,
as Trinity House may direct.
(2) If the undertaker fails to comply in any respect with a direction given under this paragraph it shall be guilty of an offence.