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Where explosives are proposed to be or are used in geothermal work the manager shall - Ensure that the provisions of NZS 4403:1976 "Code of Practice for the Storage, Handling and Use of Explosives" are complied with, Appoint a person to be in charge of th
Bores proposed to be drilled to depths of 150 metres or more shall be constructed, maintained, operated, suspended, and abandoned in accordance with NZS 2403:1991 "Code of Practice for Deep Geothermal Wells".
All geothermal work in circumstances where the heat discharged by any bore is likely to exceed 20 terrajoules measured above 0 degrees Celsius over any period of 12 consecutive months shall be carried out in accordance with NZS 2402P:1987 "Code of Practic