determined by arbitration in accordance with article 42 (procedures in relation to certain approvals etc.). 

## Notices 

81.  The plans submitted to National Grid by the undertaker pursuant to paragraph 74(1) must be sent to National Grid Plant Protection at plantprotection@nationalgrid.com or such other address as National Grid may from time to time appoint instead for that purpose and notify to the undertaker. 

## PART 7 

## FOR THE PROTECTION OF UK POWER NETWORKS LIMITED, LONDON POWER NETWORKS PLC AND SOUTH EAST POWER NETWORKS PLC 

82.  For the protection of the utility undertakers referred to in this part of this Schedule, the following provisions have effect, unless otherwise agreed in writing between the undertaker and the utility undertakers concerned. 

83.  In this Part of this Schedule— 

“alternative apparatus” means alternative apparatus adequate to enable the utility undertaker in question to fulfil its statutory functions in a manner not less efficient than previously; 

“apparatus” means electric lines or electrical plant (as defined in the Electricity Act 1989), belonging to or maintained by that utility undertaker; 

“functions” includes powers and duties; 

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

“utility undertaker” means— 

(a) UK Power Networks Limited, whose registered office is at Newington House, 237 Southwark Bridge Road, London, SE1 6NP; 

(b) London Power Networks plc, whose registered office is at Newington House, 237 Southwark Bridge Road, London, SE1 6NP; 

(c) South Eastern Power Networks plc, whose registered office is at Newington House, 237 Southwark Bridge Road, London, SE1 6NP; 

for the area of the authorised development, and in relation to any apparatus, means the utility undertaker to whom it belongs or by whom it is maintained. 

84.  This Part of this Schedule does not apply to apparatus in respect of which the relations between the undertaker and the utility undertaker are regulated by the provisions of Part 3 (street works in England and Wales) of the 1991 Act. 

85.  Regardless of the temporary prohibition or restriction of use of streets under the powers conferred by article 13 (temporary prohibition on restriction of use of streets and public rights of way), a utility undertaker is at liberty at all times to take all necessary access across any such street and to execute and do all such works and things in, upon or under any such street as may be reasonably necessary or desirable to enable it to maintain any apparatus which at the time of the prohibition or restriction was in that street. 

86.  Regardless of any provision in this Order or anything shown on the land plans, the undertaker must not acquire any apparatus otherwise than with the prior written agreement of the utility undertaker. 

87. —(1) If, in the exercise of the powers conferred by this Order, the undertaker acquires any interest in any land in which any apparatus is placed or over which access to any apparatus is enjoyed or requires that the utility undertaker’s apparatus is relocated or diverted, that apparatus 

