20 | P a g e Class 1 Storage Location Assessment_Oceana Gold NZ Ltd Wharekirauponga Underground Mine P.C.B.U (Person Conducting a Business or Undertaking) – Regulatory definition of a senior person within a business or undertaking. P.T.R.D (Public Traffic Route Distance) - Usually refers to a road or path and generally classified as ‘high’ or ‘low’ density, dependent upon number of persons in a 24-hour period. R.A.R (Return Air Rise) – Forms part of Underground tunnel/ mine ventilation system. TNT Equivalence – a normalization technique where a standardised unit of measurement is used in predicting overpressures for class 1 storage facilities. (TNT being a generic high explosive) The majority of air blast and impulse equations predict against the effects of TNT, and it is therefore desirable to convert the explosive mass into equivalent TNT charge mass. Vulnerable Facility – Sensitive building of high construction made from specific materials, or specific buildings associated with aged care facilities, hospitals, education facilities. Additionally – public buildings/ structures of historic nature or public utilities whose service could be disrupted by a blast of 5 kPa. Reference A – Legislative Framework within New Zealand i. Health and Safety at Work Act 2015. ii. Health and Safety at Work Act (Hazardous Substances) Regulations 2017. iii. Health and Safety at Work General Risk and Workplace Management Regulations 2016. iv. Health and Safety at Work Mining Operations and Quarrying Operations Regulations 2016. Reference A – Supporting Standards and Guidance • International Ammunition Technical Guideline (IATG 1.80), ‘Formulae for Ammunition Management (United Nations - Safer Guard) (2nd Edition 01.02.2015). • International Ammunition Technical Guideline (IATG 2.20), ‘Quantity and Separation Distances (United Nations - Safer Guard) (2nd Edition 01.02.2015). • AS 2187.1 – Explosives – Storage, Transport and Use, Part 1; Storage.
RkJQdWJsaXNoZXIy MjE2NDg3