33.—(1) Before beginning to construct any specified work in relation to a key watercourse, the undertaker must submit to Cambridgeshire County Council plans of the work, and such further particulars available to the undertaker as Cambridgeshire County Council may within 28 days of the submission of the plans reasonably require.
(2) Any such specified work in relation to a key watercourse must not be constructed except in accordance with such plans as may be approved in writing by Cambridgeshire County Council, or determined under paragraph 41.
(3) Any approval of Cambridgeshire County Council required under this paragraph—
(a)must not be unreasonably withheld or delayed;
(b)is to be deemed to have been given if it is neither given nor refused within 2 months of the submission of the plans for approval or where further particulars are submitted under sub-paragraph (1), within 2 months of the submission of those particulars; and
(c)may be given subject to such reasonable requirements or conditions as Cambridgeshire County Council may make for the protection of any key watercourse or for the prevention of flooding.