Variation of Condition 4 (approved plans and documents), Condition 30 (highway design) and Condition 34 (employment floor space limit) of 17/02534/OUT relating to the erection of a business park of up to 60,000 sq.m (GEA) of flexible Class B1(a) office / Class B1(b) research & development floorspace (now Under Use Class E); associated vehicle parking, landscaping, highways, infrastructure and earthworks (Original Application accompanied by an Environmental Statement)