No more than the following combinations of B1(b), B1(c), B2 and B8 floorspace set out in column (1) of the table and the corresponding number of berths forming part of the authorised works set out in column (2) of that table shall be first occupied or brought into beneficial use prior to the completion of the new access road as a single carriageway road together with a cycleway, footway and alongside the carriageway the provision for appropriate emergency stacking space for lorries accessing the authorised works and including a Pegasus crossing where the access road crosses diverted Footpath 190—