The best of the new wave of attractively designed office parks features both 'hardware' and 'software' approaches allowing freedom to roam and explore. The hardware part consists of interconnecting walkways, stairs and levels and all the supporting design elements. The software part is related to the management of the space. The various guards, cleaners and attendants at the development have an impressively indifferent or at least hands-off approach to visitors roaming around the development.
It's better *not* to attempt this cache during regular office hours, because some of the offices overlook the cache. Best to approach it in the evening or on weekends or holidays when the offices are not occupied.