2(1)Before commencing the construction or renewal of any specified work the appropriate authority shall submit to the sewerage authority plans thereof as described in paragraph 3 below (in this Part of this Schedule referred to as “the said plans”) and shall not commence that work until the sewerage authority have signified their approval of the said plans.U.K.
(2)The sewerage authority’s approval shall not be unreasonably withheld and, if within 56 days after the submission of the said plans the sewerage authority have not approved or disapproved them, they shall be deemed to have approved them.