The Cory Decarbonisation Project Order 2025

SCHEDULE 2 REQUIREMENTS

Article 4 Interpretation 1 In this Schedule— “ground conditions investigations and assessments strategy” means a strategy setting out the undertaker’s proposals for investigating, assessing, and where necessary, remediating ground conditions, contamination and ground stability matters as they pertain to the part of the authorised development to which the strategy relates, including in respect of— unexploded ordnance assessment; ground investigations; remediation strategies and verification reports; piling risk assessment; and earthworks and demolition specifications; “jetty works environmental design scheme” means a scheme setting out— the details of the undertaker’s proposals for the carrying out and maintenance of Work No. 4A, including whether the Belvedere Power Station jetty is to be removed or retained with modifications; the environmental design measures proposed for Work No. 4A and Work No. 4B, including details of— if the Belvedere Power Station jetty is to be retained, any proposals to make improvements to the Belvedere Power Station jetty to improve its use as an ornithological feature; if the Belvedere Power Station jetty is to be removed, any proposals for how the piles for the jetty will be cut to enable ecological outcomes; and in respect of Work No. 4B, the measures proposed at item 4.19 (k) of the mitigation schedule; and details of the undertaker’s proposals for environmental measures in the intertidal environment (which may include measures outside of the Order limits or the payment of credits (as appropriate)), and how they will, alongside the measures set out in landscape, biodiversity, access and recreation delivery strategy approved under requirement 12(2) (landscape, biodiversity, access and recreation delivery strategy), contribute to the achievement of a minimum of 10% biodiversity net gain in area habitat units for all of the authorised development; “mitigation schedule” means the document of that description referred to in Schedule 13 (documents and plans to be certified) certified by the Secretary of State as the mitigation schedule for the purposes of this Order; and “National Highways” means National Highways Limited (company number 09346363) whose registered office is Bridge House, 1 Walnut Tree Close, Guildford, Surrey GU1 4LZ or any such successor or replacement body that may from time to time be primarily responsible for the functions, duties and responsibilities currently exercised by that statutory body. Time limit 2 The authorised development must not begin after the expiry of seven years from the date on which this Order comes into force. Approved details and amendments to them 3 (1) Subject to sub-paragraph (2), with respect to any plans, details or schemes which have been approved pursuant to any requirement and the percentage of any biodiversity net gain units referred to in requirement 12(3)(e) (together the “Approved Documents, Plans, Details or Schemes”), the undertaker may submit to the relevant approving body for approval in writing any amendments to any of the Approved Documents, Plans, Details or Schemes and, following approval by the relevant approving body, the relevant Approved Documents, Plans, Details or Schemes is to be taken to include the amendments as so approved pursuant to this paragraph. (2) Approval under sub-paragraph (1) for the amendments to any of the Approved Documents, Plans, Details or Schemes must not be given except where it has been demonstrated to the satisfaction of the relevant approving body that the subject matter of the approval sought is unlikely to give rise to any materially new or materially different environmental effects to those assessed in the environmental statement. (3) For the purposes of this paragraph “the relevant approving body” means— (a) for the purposes of all requirements except requirements 17-19, the relevant planning authority; (b) for the purposes of requirements 17 (river wall) and 18 (flood risk mitigation), the Environment Agency; and (c) for the purpose of requirement 19 (navigation risk assessment), the PLA. Detailed design 4 (1) No part of Work No. 1, Work No. 2 (except for internal modifications to existing plant, equipment and apparatus under Work No. 2A(iii), 2B(iii) and 2C(i)) or Work No. 5 may commence until details of the layout, scale and external appearance for that part of those Work Nos. have been submitted to and approved by the relevant planning authority in writing and that part of the authorised development must be designed and constructed in accordance with the details approved under this sub-paragraph. (2) Subject to sub-paragraph (4), the authorised development must be designed and constructed in accordance with the design parameters in Schedule 16 (design parameters) and item 1.12(a) of the mitigation schedule. (3) The authorised development must be designed and constructed in accordance with the design principles and design code and the details submitted under sub-paragraph (1) must include a statement to confirm both how the design principles and design code have been complied with, and how the advice and recommendations of the independent design review process have been taken into account, in the details that have been submitted. (4) Any part of the authorised development may be designed and constructed to deviate from the design parameters set out in Schedule 16 (design parameters) if the undertaker has first sought and obtained approval for such deviations from the relevant planning authority prior to the commencement of that part of the authorised development. (5) The relevant planning authority— (a) may only give approval under sub-paragraph (4) if the undertaker has demonstrated to the relevant planning authority’s satisfaction that that the proposed deviation from the design parameters set out in Schedule 16 (design parameters) will not lead to materially new or materially different effects to those identified in the environmental statement; (b) must, as part of its approval under sub-paragraph (4), certify that it agrees with the undertaker that the proposed deviation from the design parameters set out in Schedule 16 (design parameters) will not lead to materially new or materially different effects to those identified in the environmental statement; and (c) must, in relation to any submission by the undertaker under sub-paragraph (4) which relates to works within the river Thames, consult with the PLA before giving any approval. (6) The detailed design of the authorised development must take into account the climate variables considered in the environmental statement. Permitted preliminary works 5 The permitted preliminary works must be carried out in accordance with the measures set out in appendix 2.1 of the environmental statement. Notice of date of final commissioning 6 Within seven days of the completion of the commissioning of Work No. 1, the undertaker must provide the relevant planning authority, the PLA and the Environment Agency with notice of the date of final commissioning. Code of construction practice 7 (1) No part of the authorised development may commence until a code of construction practice for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with the WRWA and, where the code of construction practice submitted relates to construction activities in the river Thames, emergency planning or opportunities to use the river Thames to transport equipment or materials during construction, the PLA. The code of construction practice submitted for approval must be substantially in accordance with the outline code of construction practice to the extent that it is applicable to that part and must be accompanied by, or include, the following— (a) construction lighting measures; (b) a community engagement plan; (c) a biosecurity management plan; (d) a community engagement plan; (e) a dust management plan; (f) a materials management plan; (g) a pollution prevention plan; (h) a site waste management plan (to be substantially in accordance with the outline site waste management plan); and (i) a surface water management plan. (2) The documents listed in sub-paragraph (1) must include the measures required to be contained within them set out in the outline code of construction practice. (3) The construction of each part of the authorised development must be undertaken in accordance with the approved code of construction practice for that part. Construction Hours 8 (1) The construction of the authorised development must not take place on Sundays, bank holidays nor otherwise outside the hours of— (a) 0700 to 1900 hours on Monday to Friday; and (b) 0700 to 1300 hours on a Saturday. (2) The restrictions in sub-paragraph (1) do not apply to construction works for the authorised development where these— (a) are carried out within existing buildings or buildings constructed as part of the authorised development; (b) are carried out with the prior approval of the relevant planning authority; (c) are associated with an emergency; or (d) are associated with slip form working. (3) In this requirement “emergency” means a situation where, if the relevant action is not taken, there will be adverse health, safety, security or environmental consequences that in the reasonable opinion of the undertaker would outweigh the adverse effects to the public (whether individual classes or generally as the case may be) of taking that action. Construction traffic management plan 9 (1) No part of the authorised development may commence until a construction traffic management plan (which must be substantially in accordance with the framework construction traffic management plan) for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with the relevant highways authority, Dartford Borough Council, Kent County Council, National Highways and WRWA. (2) Any construction traffic management plan submitted under sub-paragraph (1) must include a construction worker travel plan (which must be substantially in accordance with the construction worker management measures included in the framework construction traffic management plan). (3) The construction of each part of the authorised development must be undertaken in accordance with the approved construction traffic management plan for that part. Emergency preparedness and response plan 10 (1) Work Nos. 1 and 4 must not be fully commissioned until an emergency preparedness and response plan has been submitted to and approved by the relevant planning authority in writing, in consultation with the Environment Agency, lead local flood authority, the London Fire Brigade and, in respect of Work No. 4 only, the PLA. (2) For the purposes of sub-paragraph (1), the undertaker may submit one emergency preparedness and response plan for both Work Nos. 1 and 4 or one for each of Work No. 1 and Work No. 4. (3) The emergency preparedness and response plan or plans submitted under sub-paragraphs (1) and (2) must be substantially in accordance with the outline emergency preparedness and response plan. (4) The emergency preparedness and response plan must be implemented as approved under sub-paragraph (1) and maintained throughout the operation of the relevant part of Work Nos. 1 or 4 to which the plan or plans relate. Lighting strategy 11 (1) No part of the authorised development may commence until a lighting strategy for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with the PLA. (2) The lighting strategy must be substantially in accordance with the outline lighting strategy. (3) Any lighting strategy approved under sub-paragraph (1) must be implemented and maintained throughout the operation of the relevant part of the authorised development to which the strategy relates. Landscape, biodiversity, access and recreation delivery strategy 12 (1) No part of the authorised development may commence until a written landscape, biodiversity, access and recreation delivery strategy for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with TWUL. (2) The landscape, biodiversity, access and recreation delivery strategy submitted for approval must be substantially in accordance with the outline landscape, biodiversity, access and recreation delivery strategy. (3) The landscape, biodiversity, access and recreation delivery strategy must include details of all proposed hard and soft landscaping works and ecological mitigation and enhancement measures (as applicable for the relevant numbered work) for that part and where applicable include for that part— (a) the location, number, species, size and planting density of any proposed planting including the proposed times of such planting; (b) cultivation, importing of materials and other operations to ensure plant establishment; (c) existing trees to be retained; (d) an implementation timetable; (e) how the plan proposals for that part will, with the exception of the intertidal environment, contribute to the achievement of a minimum of 10% biodiversity net gain in area habitat units, and a minimum of 10% biodiversity net gain in watercourse units for all of the authorised development for thirty years from the date of commissioning of the authorised development and the metric that has been used to calculate that those percentages will be reached; (f) how the landscaping and ecological measures proposed in the plan will be managed and maintained during the operational life of the authorised development to the date on which the decommissioning environmental management plan is implemented pursuant to requirement 23 (decommissioning environmental management plan); (g) the flora, fauna and habitat surveys required to be carried out prior to commencement of a numbered work, or following completion of a numbered work in order to monitor the effect of, or inform, the mitigation, management and monitoring measures to be taken forward following those initial surveys; (h) the proposals for the establishment of compensatory open mosaic habitat; (i) the final routing, specification and maintenance regime for permissive paths and the public rights of way referred to in article 15(1) and article 15(3); (j) provision for graziers, including details of accesses and access routes (including their surfacing); (k) the final routing, specification and maintenance regime for the diversion and improvement of existing watercourses and the creation of new watercourses; (l) a statement to confirm both how the design principles and design code have been complied with, and how the advice and recommendations of an independent design review process have been taken into account, in the details that have been submitted; and (m) the undertaker’s proposals for a management plan for the crossness local nature reserve as extended. (4) The landscape, biodiversity, access and recreation delivery strategy submitted for approval under sub-paragraph (1) is not required to set out proposals for the intertidal environment. (5) Any landscape, biodiversity, access and recreation delivery strategy submitted for approval under sub-paragraph (1) must be accompanied by— (a) a report setting out— (i) the engagement activities that the undertaker has undertaken to inform the development of the landscape, biodiversity, access and recreation delivery strategy which must be in accordance with the engagement commitments set out in the outline landscape, biodiversity, access and recreation delivery strategy unless otherwise agreed by the relevant planning authority; and (ii) how the undertaker has had regard to the feedback received during that engagement in the landscape, biodiversity, access and recreation delivery strategy that is submitted for approval; (b) copies of any legal agreements with any offsite provider which demonstrate that the delivery of the offsite works which form part of the landscape, biodiversity, access and recreation delivery strategy submitted for approval, and the maintenance of the offsite works for a period of thirty years from the date of the final commissioning of the authorised development, is secured; (c) relevant information setting out the steps (being reasonable steps) that the undertaker has undertaken to secure delivery of the BNG Opportunity Area as the preferred location for offsite works and either— (i) provide confirmation that the BNG Opportunity Area has been secured as the location for offsite works; or (ii) where the BNG Opportunity Area has not been able to be secured as the location for offsite works, provide full details of a proposed alternative location for offsite works; and (d) relevant information setting out the steps that the undertaker has taken (being reasonable steps) to secure delivery of land that could be designated as a non-statutory site of importance for nature conservation as compensation for the area of such designated land lost as a result of the proposed development, and either— (i) provide confirmation that the BNG Opportunity Area has been secured as the location for this compensation; or (ii) where the BNG Opportunity Area has not been able to be secured as the location for this compensation, provide full details of any proposed alternative location for this compensation. (6) Any landscape, biodiversity, access and recreation delivery strategy submitted for approval under sub-paragraph (1) which includes activities to be carried out on land owned by Thames Water Utilities Limited must be accompanied by a planning obligation securing the delivery of the management and maintenance of ecological measures on that land from the date that decommissioning of Work No. 1 completes until 31 December 2093. (7) The landscape, biodiversity, access and recreation delivery strategy submitted for approval may include measures or mechanisms for the creation, improvement or management of habitats outside of the Order limits, or the payment of credits. (8) Any hedgerow, shrub or tree planted as part of the approved strategy that, within a period of five years after planting, is removed, dies or becomes, in the opinion of the relevant planning authority (as applicable), seriously damaged or diseased, must be replaced in the first available planting seasons with a specimen of the same species and size as that originally planted. (9) Any landscape, biodiversity, access and recreation delivery strategy approved under sub-paragraph (1) must be implemented as approved and maintained throughout the operation of the relevant part of the authorised development to which the strategy relates. (10) In this paragraph— (a) “offsite works” means any works that are required to deliver the outcomes set out in sub-paragraphs (3)(e) and 3(h) as part of the landscape, biodiversity, access and recreation delivery strategy submitted for approval under sub-paragraph (1) that are to take place outside of the Order limits; and (b) “BNG Opportunity Area” means the area labelled as such on figure 7-7 of the environmental statement. Surface and foul water drainage 13 (1) No part of the authorised development may commence until written details of the surface and foul water drainage strategy for that part have been submitted to and approved by the relevant planning authority in writing, in consultation with the lead local flood authority. (2) The written details submitted for approval must be substantially in accordance with the outline drainage strategy and must be consistent with the proposals submitted for approval under requirement 12 (landscape, biodiversity, access and recreation delivery strategy). (3) Any surface and foul water drainage strategy approved under sub-paragraph (1) must be implemented and maintained throughout the operation of the relevant part of the authorised development to which the strategy relates. Operational environmental management plan 14 (1) No part of Work No. 1 may be fully commissioned until a written operational environmental management plan for that part has been submitted to and approved by the relevant planning authority in writing. (2) The operational environmental management plan must include details of proposed operational maintenance procedures, security arrangements and the following items set out in the mitigation schedule— (a) paragraphs (c), (e) and the matters listed under additional mitigation of item 1.12; (b) items 3.17 (b) and (e); (c) item 4.19 (f); (d) the first paragraph of item 7.9; (e) item 12.3; and (f) item 14.8. (3) Any operational environmental management plan approved under sub-paragraph (1) must be implemented and maintained throughout the operation of the relevant part of Work No. 1 to which the plan relates. Skills and employment plan 15 (1) No part of Work No. 1 may commence until a skills and employment plan has been submitted to and approved by the relevant planning authority in writing. (2) The skills and employment plan must be substantially in accordance with the outline skills and employment plan. (3) The skills and employment plan must be implemented as approved and maintained throughout the operation of the relevant part of the authorised development to which the plan relates. Jetty works environmental design scheme 16 (1) Work No. 4 must not commence until a jetty works environmental design scheme has been to submitted to and approved by the relevant planning authority in writing, in consultation with the Environment Agency and the PLA. (2) The jetty works environmental design scheme to be submitted under sub-paragraph (1) shall include a statement to confirm how the advice and recommendations of an independent design review process has been taken into account in the details that have been submitted. (3) In approving a jetty works environmental design scheme submitted under sub-paragraph (1)— (a) if a submitted jetty works environmental design scheme proposes not to remove the Belvedere Power Station jetty, the relevant planning authority must not require the undertaker to remove it; or (b) if a submitted jetty works environmental design scheme proposes to remove the Belvedere Power Station jetty, the relevant planning authority must not require the undertaker to retain it. (4) The relevant planning authority must not refuse an application for approval of a jetty works environmental design because it disagrees with the undertaker’s choice as to whether or not to remove the Belvedere Power Station jetty. (5) The undertaker must carry out and maintain Work No. 4 in accordance with the approved jetty works environmental design scheme. River wall 17 (1) Subject to sub-paragraph (4), no part of Work No. 4 may commence until a river wall condition survey on those parts of the river wall within the order limits has been submitted to and approved by the Environment Agency in writing, in consultation with the relevant planning authority. (2) The river wall condition survey submitted pursuant to sub-paragraph (1) must, where appropriate, identify any remedial works required to bring the tidal flood defence up to a good standard considering a design life of 100 years. (3) The remedial works required to bring the defence up to a good standard identified pursuant to sub-paragraph (2) must be carried out within two years of the date that the condition survey is approved under sub-paragraph (1), or such other time period as is agreed by the Environment Agency. (4) No river wall condition survey is required to be undertaken under sub-paragraph (1) to the extent that any parts of the river wall have already been assessed as part of any survey undertaken pursuant to requirement 20 (river wall) in Schedule 2 (requirements) to the REP Order. Flood risk mitigation 18 (1) The authorised development must be carried out and operated in accordance with paragraphs 8.3.20 to 8.3.33 and 8.6.9 of the flood risk assessment. (2) No later than 45 years following the date of final commissioning, the undertaker must notify the relevant planning authority and the Environment Agency whether it anticipates that the operation of Work No. 1 will continue past the 50th anniversary of the date of final commissioning. (3) If a notification under sub-paragraph (2) indicates that the undertaker anticipates that the operation of Work No. 1 will continue past the 50th anniversary date of final commissioning, it must, unless otherwise agreed by the Environment Agency, submit for written approval to the Environment Agency— (a) an updated flood risk assessment of the flood risk arising from the continued operation of Work No. 1 past the 50th anniversary of the date of final commissioning; (b) the details of any mitigation or compensation measures that the flood risk assessment under sub-paragraph (a) suggests are necessary; (c) the implementation timetable (including identifying the need for (but not requiring a specific programme for the obtaining of) any consents) for any measures identified under sub-paragraph (b); and (d) retention proposals for any measures identified under sub-paragraph (b). (4) The undertaker must share the details approved by the Environment Agency under sub-paragraph (3) with the relevant planning authority within 5 days of such approval being given. (5) The undertaker must implement the measures approved under sub-paragraph (3)(b) in accordance with the implementation timetable approved under sub-paragraph (3)(c) no later than the 50th anniversary of the date of final commissioning of Work No. 1 or such other time period as is agreed with the Environment Agency and must retain them for the lifetime of Work No. 1 in accordance with the retention proposals approved under sub-paragraph (3)(d). (6) The undertaker must not continue operation of Work No. 1 beyond the 50th anniversary of the date of final commissioning unless the Environment Agency has given its approval under sub-paragraph (3) and the undertaker has complied with sub-paragraph (4), unless otherwise agreed in writing by the Environment Agency. Navigation risk assessment 19 (1) Prior to commencement of construction of Work No. 4, the undertaker must update the preliminary navigation risk assessment to take account of the detailed design and construction methodology of Work No. 4 and submit the updated navigation risk assessment to the PLA for its written approval, which must not be unreasonably withheld or delayed. (2) The construction and operation of the authorised development must be carried out in accordance with the updated navigation risk assessment approved under sub-paragraph (1). Control of noise during operation 20 (1) Prior to commissioning of any part of Work No. 1, a written noise mitigation plan must be submitted to and approved by the relevant planning authority in writing which demonstrates how the maximum permitted limit set out in columns (2) and (3) of the below table will be achieved at the locations set out in column (1) of the below table, during operation of Work No. 1. (1) Location | (2) Day-time Operational Noise Limit LAr, Tr dB | (3) Night-time Operational Noise Limit LAr, Tr dB Clydesdale Way | 54 | 49 Travelodge London Belvedere Hotel | 54 | 49 (2) The undertaker must operate the authorised development in accordance with the approved noise mitigation plan, except— (a) in the case of an emergency (as defined in the noise mitigation plan); or (b) with the prior approval of the relevant planning authority. (3) Where the level of noise at a monitoring location exceeds the maximum permitted level specified for that location in sub-paragraph (1) because of an emergency— (a) the undertaker must, as soon as possible and in any event within two business days of the beginning of the emergency, submit to the relevant planning authority a statement detailing— (i) the nature of the emergency; (ii) why it is necessary for the level of noise to have exceeded the maximum permitted level; and (b) if the undertaker expects the emergency to last for more than 24 hours, it must inform local residents and businesses affected by the level of noise at that location of— (i) the reasons for the emergency; and (ii) how long it expects the emergency to last. Ground conditions investigations and assessments strategy 21 (1) No part of the authorised development may commence until a ground conditions investigations and assessments strategy for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with the Environment Agency, the WRWA, and where the ground conditions investigations and assessments strategy submitted covers investigations and assessments to be carried out in the river Thames, the PLA. Such a strategy shall include a specific remediation strategy, if necessary. (2) Each part of the authorised development must be carried out in accordance with the approved ground conditions investigations and assessments strategy for that part. (3) For the purposes of this paragraph, “commence” includes investigations for the purpose of assessing ground conditions (including the making of trial boreholes) and archaeological surveys and investigations. Archaeological mitigation strategy 22 (1) No part of the authorised development may commence until an archaeological mitigation strategy, including any required written scheme of archaeological investigation (or multiple written schemes of archaeological investigation) for that part has been submitted to and approved by the relevant planning authority in writing, in consultation with the PLA and the MMO. (2) Any archaeological mitigation strategy submitted under sub-paragraph (1), to the extent that it is applicable to that part of the authorised development, must include the following— (a) details of any proposed archaeological surveys of the river bed and foreshore, intertidal environment and marine environment; (b) details of any updated geoarchaeological deposit model; (c) should the authorised development include proposals to alter or demolish, in full or in part, the Belvedere Power Station jetty, details of the building recording of the belvedere power station jetty; and (d) proposals for how any further mitigation required as a result of the survey work undertaken will be taken forward in a written scheme of investigation or multiple written schemes of investigation. (3) No demolition or modification of the Belvedere Power Station jetty shall take place— (a) until a descriptive record specified and carried out to Level 2 as specified in Historic England guidance: Understanding Historic Buildings: A Guide to Good Recording Practice has been undertaken in accordance with that guidance and written confirmation provided to the relevant planning authority that is has been completed; and (b) unless within six months of the date of commencement of the demolition or alteration that completed record has been deposited with the Greater London Historic Environment Record and the Archaeology Data Service, and written confirmation of the deposit has been provided to the relevant planning authority. (4) For the purposes of this paragraph, “commence” includes archaeological surveys and investigations. Decommissioning environmental management plan 23 (1) Within 12 months of the date that the undertaker decides to decommission any part of the authorised development, the undertaker must submit to the relevant planning authority for its written approval, after consultation with the Environment Agency and if the decommissioning environmental management plan to be submitted relates to decommissioning works within the river Thames, the PLA and the MMO, a decommissioning environmental management plan for that part. (2) Decommissioning works must not be carried out until the relevant planning authority has approved the plan submitted under sub-paragraph (1) in relation to such works. (3) The plan submitted and approved must— (a) include details of— (i) the buildings to be demolished; (ii) the means of removal of the materials resulting from the decommissioning works; (iii) the phasing of the demolition and removal works; (iv) any restoration works (including the proposed finished levels of the land following those works and any proposals for the restoration of habitats and watercourses lost as a result of the construction of the authorised development) to restore the land within the limits of deviation of Work No. 1 to a condition (including ecological outcomes which must include that the land could be designated as a non-statutory site of importance for nature conservation and local nature reserve, or equivalent designations as exists at the time of decommissioning) agreed with the relevant planning authority; (v) the phasing of any restoration works; and (vi) a timetable for the implementation of the plan; and (b) be accompanied by, or include, a site waste management plan which demonstrates how the waste hierarchy will be followed in respect of the decommissioning works. (4) The plan must be implemented as approved for the duration of the decommissioning of the authorised development. (5) The date that the undertaker decides to decommission any part of the authorised development must be notified to the relevant planning authority no later than one month following that decision being made. Decommissioning traffic management plan 24 (1) Within 12 months of the date that the undertaker decides to decommission any part of the authorised development, the undertaker must submit to the relevant planning authority for its written approval, after consultation with the relevant highway authority and National Highways, a decommissioning traffic management plan for that part. (2) No decommissioning works must be carried out until the relevant planning authority has approved the plan submitted under sub-paragraph (1) in relation to such works. (3) The plan submitted and approved must include details of— (a) route diversions; and (b) routing of abnormal loads and HGVs. (4) The plan must be implemented as approved for the duration of the decommissioning of the authorised development. (5) The date that the undertaker decides to decommission any part of the authorised development must be notified to the relevant planning authority no later than one month following that decision being made. Heat Strategy 25 (1) No part of the authorised development may be commenced until the undertaker has submitted a heat strategy to the relevant planning authority for its written approval. (2) The heat strategy submitted under sub-paragraph (1) must— (a) provide an explanation of how the heat to be produced as a result of the authorised development, Riverside 1 and Riverside 2 could be captured and exported off-site; (b) set out the appropriate infrastructure that could be brought forward within the Order limits to enable the capture and export of heat from the site; (c) identify potential connection points for export of heat produced as a result of the authorised development, Riverside 1 and Riverside 2; and (d) provide an update on discussions with potential heat network providers. (3) The heat strategy submitted, and the relevant planning authority approval under sub-paragraph (1) must not require the undertaker to repeat actions already undertaken pursuant to— (a) requirement 24 (combined heat and power) of the REP Order; (b) any document produced pursuant to requirement 24 of the REP Order; (c) condition 31 of planning permission 16/02167/FUL relating to Riverside 1 issued by the London Borough of Bexley; (d) condition 31 of the consent issued under section 36C of the Electricity Act 1989 in respect of Riverside 1 dated 17 December 2021; (e) any condition of planning permission 22/00728/FUL issued by the London Borough of Bexley; and (f) any document produced pursuant to the requirements and conditions referred to in sub-paragraphs (a) to (e). (4) The heat strategy must be implemented as approved and such implementation does not constitute a breach of the documents, conditions and requirements referred to in sub-paragraphs (3)(a) to (3)(f).