17.7 Sub-hubco shall [insofar as relevant for each Phase]:

17.7.2 permit the Authority to undertake the Authority's Commissioning [including permitting specialist contractors engaged by the Authority to deliver and install equipment] on such dates as agreed between the Authority and Sub-hubco, in accordance with the Final Commissioning Programme

and the Authority shall undertake the Authority's Commissioning in accordance with the [relevant] Final Commissioning Programme and so as not to cause material damage to the Works.

17.8 Sub-hubco shall give written notice to the Independent Tester and the Authority of the commencement of Sub-hubco's Pre-Completion Commissioning [in relation to a Phase] and shall ensure that the Independent Tester and the Authority's Representative are invited to witness all of, and are provided with all information they may reasonably require in relation to, Sub-hubco's Pre-Completion Commissioning [of the relevant Phase] and that the Independent Tester is invited to comment on Sub-hubco's Pre-Completion Commissioning [of the relevant Phase].

17.9 Sub-hubco shall (or shall procure that the Contractor shall), give the Authority access to the Facilities at such times as may be set out in the [relevant] Final Commissioning Programme to enable the Authority to undertake the Authority's Commissioning in accordance with the Final Commissioning Programme [for the relevant Phase] for the period prior to completion [of the relevant Phase]. When exercising such rights the Authority shall comply with all relevant safety procedures, which shall include any relevant construction phase plans and health and safety plans for the construction of the Facilities, the Contractor's Site Rules from time to time and any reasonable directions with regard to site safety that may be issued by or on behalf of the Contractor's Site Manager from time to time.