PART III General Provisions

Structural subsystems: staged works decisions
17. (1) Nothing in regulation 14 prevents a stage of a relevant upgrading project being placed into service prior to an authorisation being given pursuant to regulation 14, if it is placed into service in accordance with the following paragraphs of this regulation.
(2) A contracting entity may at any time during a relevant upgrading project make a request in writing to the supervisory authority for a decision on whether a stage of that project may be placed into service prior to an authorisation being given pursuant to regulation 14 (a “staged works decision”).
(3) A request made under paragraph (2) shall be accompanied by the following information—
(a) a description of the upgrading project;
(b) the dates when each stage of the project is due to commence and finish and be placed into service;
(c) a description of how the work will be carried out in each stage;
(d) the arrangements to be put in place by the contracting entity to ensure the continued safety of any part of a rail network scheme affected by the upgrading project for the duration of that project; and
(e) the date when an authorisation under regulation 14 will be sought.
(4) If the supervisory authority considers that the information provided by a contracting entity in a request made under paragraph (2) is insufficient to enable it to make a staged works decision the supervisory authority shall notify the contracting entity in writing of the additional information that it considers it requires in order to make that decision.
(5) On receiving a notification under paragraph (4), the contracting entity shall provide the supervisory authority with such of the additional information specified in that notification as the applicant is reasonably able to supply and, where any of the additional information so specified is not provided, a written explanation as to why the applicant is unable to provide that information.
(6) The supervisory authority shall notify the contracting entity in writing of its staged works decision.
(7) The staged works decision may contain such conditions as the supervisory authority considers necessary to ensure that the overall level of safety of the relevant part of a rail network scheme is not adversely affected.
(8) If at any stage of the upgrading project there is a change in the information provided by the contracting entity to the supervisory authority under paragraphs (3) or (5), the contracting entity shall notify the supervisory authority of that change and the supervisory authority shall then consider whether it affects the staged works decision given under paragraph (6) or the conditions attached to that decision under paragraph (7).
(9) If a change notified under paragraph (8) affects the staged works decision, or the conditions attached to that decision, the supervisory authority—
(a) shall confirm or vary the staged works decision; and
(b) may remove or amend the conditions given under paragraph (7) or attach new conditions to the staged works decision,
and the requirements of paragraphs (6) and (7) shall apply to any action taken by the supervisory authority under this paragraph.
(10) For the purpose of this regulation “a relevant upgrading project” means a project to upgrade an infrastructure subsystem, an energy subsystem, or a control and command and signalling subsystem.