RAAL was awarded a sub-contract under AAHK's CONTRACT C3733 involving the Electrical Works for OF & ARE Store and HKO Pillar Box. The works involved the Supply and Installation of IP68, watertight transformers, three phase transformers for three phase network, and includes three 5500V fuses, one 5500 V terminal locking device, 5500 V cable 1.5 meters, enhancing the accuracy and reliability of HK Observatory meteorological and geophysical systems.