Prior approvals and security
227.—(1) Any specified works which involve tunnelling, boring or otherwise installing the pipeline under the strategic road network without trenching from the surface, must be designed by the undertaker in accordance with DMRB CD622 unless otherwise agreed in writing by National Highways.
(2) The specified works must not commence until—
(a)the programme of works has been approved by National Highways;
(b)the detailed design of the specified works comprising of the following details, insofar as considered relevant by National Highways, has been submitted to and approved by National Highways—
(i)the detailed design information;
(ii)the identity and suitability of the contractor and nominated persons; and
(iii)a process for stakeholder liaison, with key stakeholders to be identified and agreed between National Highways and the undertaker;
(c)a condition survey and regime of monitoring of any National Highways assets or structures that National Highways reasonably considers will be affected by the specified works, has been agreed in writing by National Highways; and
(d)an acceptable security in favour of National Highways for the indemnity set out in paragraph 232 below has been put in place, which security must be maintained in place until the expiry of 12 months following the completion of all of the specified works.
(3) National Highways must, prior to the commencement of the specified works, inform the undertaker of the identity of the person who will act as a point of contact on behalf of National Highways for consideration of the information required under sub-paragraph (2).
(4) Any approval of National Highways required under this paragraph-
(a)must not be unreasonably withheld;
(b)must be given in writing;
(c)shall be deemed to have been given if neither given nor refused within 2 months of the receipt of the information for approval or, where further particulars are requested by National Highways (acting reasonably) within 2 months of receipt of the information to which the request for further particulars relates; and
(d)may be subject to any reasonable conditions as National Highways considers necessary.
(5) Any change to the identity of the contractor and/or designer of the specified works will be notified to National Highways immediately and details of their suitability to deliver the specified works will be provided on request.
(6) Any change to the detailed design of the specified works must be approved by National Highways in accordance with paragraph 227(2) of this Part.