“FRAPA drawings” means the drawings of that description referred to in Schedule 11 certified  by the Secretary of State as the FRAPA drawings for the purposes of this Order;  “Greater London Authority” means the Greater London Authority, City Hall, The Queen’s  Walk, More London, London, SE1 2AA;  “highway” and “highway authority” have the same meaning as in the 1980 Act;  “land plans” means the plans of that description referred to in Schedule 11 certified by the  Secretary of State as the land plans for the purposes of this Order;  “limits of deviation” means the limits of deviation shown for each numbered work on the  works plans;  “London Power Networks” means London Power Networks PLC (company number  03929195) whose registered office is at Newington House, 237 Southwark Bridge Road,  London SE1 6NP or a subsidiary of London Power Networks PLC;  “maintain” includes inspect, repair, adjust, alter, remove, refurbish, reconstruct, replace and  improve any part, but not replace the whole of the authorised development, but only insofar as  such activities do not give rise to any materially new or materially different environmental  effects than those identified in the environmental statement and “maintenance” and  “maintaining” are to be construed accordingly;  “MOL plan” means the document of that description referred to in Schedule 11 certified by  the Secretary of State as the MOL plan for the purposes of this Order;  “off–setting value” means the net biodiversity impact of the authorised development,  calculated using the Defra biodiversity off–setting metric, measured in biodiversity units;  “operational period” means the period from the date of final commissioning to the permanent  cessation of the operation of Work No. 1;  “Order land” means the land which is required for, or is required to facilitate, or is incidental  to, or is affected by, the authorised development as shown on the land plans;  “Order limits” means the limits shown on the works plans within which the authorised  development may be carried out;  “outline biodiversity and landscape mitigation strategy” means the document of that  description referred to in Schedule 11 certified by the Secretary of State as the outline  biodiversity and landscape strategy for the purposes of this Order;  “outline code of construction practice” means the document of that description referred to in  Schedule 11 certified by the Secretary of State as the outline code of construction practice for  the purposes of this Order;  “outline construction traffic management plan” means Appendix L of the transport  assessment;  “outline drainage design strategy” means Appendix G of the flood risk assessment;  “outline lighting strategy” means the document of that description referred to in Schedule 11  certified by the Secretary of State as the outline lighting strategy for the purposes of this  Order;  “outline operational worker travel plan” means Appendix M of the transport assessment;  “owner”, in relation to land, has the same meaning as in section 7 (interpretation) of the  Acquisition of Land Act 1981( a );  “pre–commencement land” means the land shown on the pre-commencement plan;  “pre–commencement plan” means the plan of that description referred to in Schedule 11  certified by the Secretary of State as the pre–commencement plan for the purposes of this  Order;  ( a ) 1981. c.67. Section 7 was amended by paragraph 9 of Schedule 15 to the Planning and Compensation Act 1991 (c.34).  There are other amendments to this section which are not relevant to this Order.  6