Appendix G Table 4: Risk Assessment Event Controls (Mitigation/ Management Measures) Residual risk assessment Controls to reduce likelihood Controls to reduce severity of consequence Likelihood Consequence Risk Container leak or rupture during unloading to site (any packaged substance) and release to the environment OGNZL to undertake regular audits of drivers/transport contractors to ensure compliance with the HSMP procedures. Transport of hazardous substances via truck in accordance with the Land Transport Rule: Dangerous Goods 2005, meeting requirements for packaging, labelling, loading restrictions, segregation of incompatibles, unloading inspections and recurrent training. Spill kit, emergency showers and eye wash provisions (as applicable) in the unloading and storage areas, prompt movement of goods into dedicated bunded storage. Dedicated unloading areas draining to spill containment systems on site. Secondary and tertiary containment provided for the Processing Plant and WTP areas to contain any spills on site. Unlikely – Package failures or damage during transit are not uncommon, but requires failure of procedures and secondary and tertiary containment to result in release to the environment. Minor – The site unloading areas drain to the water treatment system, minimising the effect on the environment. Low Spill of diesel during refuelling of equipment and release to the environment Design, testing, inspection, certification and maintenance of the refuelling equipment in accordance with standards set out in the HSW-HS and preventative maintenance will minimise the risk of failure of refuelling equipment. Pre-start checks/toolbox talks and work area inspections as per the HSMP. OGNZL to undertake regular audits of drivers/transport to ensure compliance with the HSMP procedures. Emergency Management Plan for Hydrocarbon Management in place, including spill response. Secondary containment in the storage areas. Areas where refuelling occurs are kerbed to exclude clean runoff and drain to oil water separators to remove any residual hydrocarbons in stormwater. As likely as not – These events are not uncommon, but requires failure of procedures to result in release to the environment. Minor – The refuelling area drain to API separators, minimising the effect on the environment. Moderate
RkJQdWJsaXNoZXIy MjE2NDg3