Variation of condition 8 (drainage system) of planning permission 20/00942/FUL (Refurbishment and alteration of the Radcliffe Science Library, Abbot's Kitchen and west wing of the Inorganic Chemistry Laboratory (D1 use) to enable use as a graduate college, museums' collections teaching and research centre and library (D1 use). External works to include creation of new lift extension between Jackson Wing and Inorganic Chemistry Laboratory, installation of new roof mounted plant equipment, insertion of new entrance to eastern elevation of Worthington Wing, creation of an accessible entrance to south elevation of Jackson Wing including remodelling of existing footpath, new landscaping, provision of cycle parking and external bin store. (amended description)) to allow changes to the approved version of the drainage strategy.