management plan(s)), 18 (Operational lighting strategy) and 19 (Control of operational noise) of the Order to the relevant planning authority, the undertaker shall submit the same at the same time to Thames Water care of Linda Rushton at Clearwater Court, Vastern Road, Reading RG1 8DB and Michael Swain at Bazalgette Way, Abbey Wood, London SE2 9AQ. 

## PART 9 

## FOR THE PROTECTION OF SOUTHERN GAS NETWORKS PLC AS GAS UNDERTAKER 

## Application 

104.  For the protection of SGN the following provisions will, unless otherwise agreed in writing between the undertaker and SGN, have effect. 

## Interpretation 

105.  In this Part of this Schedule— 

“alternative apparatus” means appropriate alternative apparatus to the satisfaction of SGN to enable SGN to fulfil its statutory functions in a manner no less efficient than previously; 

“apparatus” means any gas mains, pipes, pressure governors, ventilators, cathodic protections, cables or other apparatus belonging to or maintained by SGN for the purposes of gas distribution together with any replacement apparatus and such other apparatus constructed pursuant to the Order that becomes operational apparatus of SGN for the purposes of transmission, distribution and/or supply and includes any structure in which apparatus is or will be lodged or which gives or will give access to apparatus; 

“authorised works” has the same meaning as is given to the term “authorised development” in article 2 of this Order and includes any associated development authorised by the Order and for the purposes of this Part of this Schedule includes the use and maintenance of the authorised works and construction of any works authorised by this Schedule; 

“commence” has the same meaning as in article 2 and commencement is to be construed to have the same meaning save that for the purposes of this Part of the Schedule the terms commence and commencement include the pre-commencement works; 

“deed of consent” means a deed of consent, crossing agreement, deed of variation or new deed of grant agreed between the parties acting reasonably in order to vary and/or replace existing easements, agreements, enactments and other such interests so as to secure land rights and interests as are necessary to carry out, maintain, operate and use the apparatus in a manner consistent with the terms of this Part of this Schedule; 

“functions” includes powers and duties; 

“ground mitigation scheme” means a scheme approved by SGN (such approval not to be unreasonably withheld or delayed) setting out the necessary measures (if any) for a ground subsidence event; 

“ground monitoring scheme” means a scheme for monitoring ground subsidence which sets out the apparatus which is to be subject to such monitoring, the extent of land to be monitored, the manner in which ground levels are to be monitored, the timescales of any monitoring activities and the extent of ground subsidence which, if exceeded, requires the undertaker to submit for SGN’s approval a ground mitigation scheme; 

“ground subsidence event” means any ground subsidence identified by the monitoring activities set out in the ground monitoring scheme that has exceeded the level described in the ground monitoring scheme as requiring a ground mitigation scheme; 

“in” in a context referring to apparatus or alternative apparatus in land includes a reference to apparatus or alternative apparatus under, over, across, along or upon such land; 

