DK Fire Safety working for a leading London interior designer company on a design refurbishment project for Liberty Global fire system installation and modification at their UK head office premises in Hammersmith road, London. The fire alarm project was designed, installed and commissioned onto the 3floor of an office complex as in accordance to BS5839 and BAFE 3party certification scheme. The system was designed with and advanced open protocol fire control panel using Apollo addressable XP95 units. The final commissioning was completed by DK fire safety and a special non-latching cause and effect program was written, witnessed and tested for fire system signalling between landlords and tenants fire strategy.