Variation of Condition(s) 2 (approved plans), 3 (permitted floorspace) (predominantly comprising of revisions to Units 1, 2 and 4), 5 (land contamination scheme), 7 (construction management plan), 8 (scheme for the provision of foul and surface water drainage), 9 (details of external materials), 10 (surface treatment), 12 (landscape maintenance), 17 (acoustic fence) and 21 (bird and bat boxes) (additional information provided in relation to pre-commencement/construction conditions) pursuant to planning permission DM/19/03209/FPA