Architect and Builder Magazine South Africa March/April 2014 | Page 62

1,200 linear metres of laboratory benches were provided and planned with differing under-counter options LABORATORY CONTROL PANEL AT LABORATORY ENTRANCE are held in dedicated stores and cabinets. Gas stores are located at ground level and are naturally ventilated. These stores are fitted with gas sensors. Gas cylinders are placed on earthed mentis grating to prevent the risk of ignition. Long term chemical storage is remote from the building and storage for daily use is provided in the laboratories. External risks in the surroundings ie: nitrogen storage tanks are managed by sensors linked to air-intakes which are shut down in event of leaks. A hydrogen storage tank has been relocated and oxygen relief valve on an adjacent plant has been redirected. Air-flow modelling on the building around the exhausts from the fume hoods was undertaken to manage risks of fumes and exhaust gases affecting neighbouring buildings. Within the laboratories, full emergency stations with emergency showers and safety equipment are provided in the corridors. Eyewash stations were omitted in favour of sterilised eyewash bottles at localised areas. Where required, class 16 light fittings are provided. Chemicals are stored (on drip trays) at low level to obviate the risk of dropping containers and spillage. SERVICES TO INSTRUMENTS FROM BELOW AND BEHIND CABLEWAYS 62 Sasol Infrachem