This is from the letter granting permission for SW8:
..the relevant part of the development hereby approved shall not be installed until full details and samples of the external materials and finishes and hard surfacing to be used in that part of the development have been submitted to and approved in writing by the Local Planning Authority. Details to include the ride station/maintenance/shop building, theming envelopes/ features, track, support stanchions, fencing, acoustic screens, tunnel and ride cars. The development shall thereafter be carried out in accordance with the approved details.
and
...The development hereby permitted shall not be commenced, with the exception of demolition, until such time as a scheme for the provision of foul drainage and surface water drainage works, based on sustainable drainage principles, has been submitted to and approved in writing by the Local Planning Authority. The drainage works shall be completed in accordance with the details and timetable agreed.
and
...Prior to any below ground works of the development commencing a written scheme of archaeological investigation ('the Scheme') shall be submitted for the written approval of the Local Planning Authority. The Scheme shall provide details of the programme of archaeological works to be carried out within the site, including post-excavation reporting and appropriate publication and on site interpretation. The Scheme shall thereafter be implemented in full in accordance with the approved details.
Reason:- To safeguard archaeological interests