I have searched my database and found the following. Some are ancient and some are reports of events. Two in bold are joint Australia/NZ standards and may be relevant and available.
There used to be a common permit system in Taranaki for the oil & gas industry.
Hope that's some help
DoL. (1985). Dust Explosions in Factories: precautions required with combustible dusts. Wellington: Department of Labour.
DoL. (1988). Hot Work on Drums and Tanks. Wellington: Department of Labour.
Wakakura, M., & Tamura, M. (1991). Explosion and fire caused due to insufficient purging during inspection work on a continuous extractor. Retrieved 22 December 2014, from http://www.sozogaku.com/fkd/en/cfen/CC1000088.html
HSE. (1995). Hot work in docks. Information Sheet Sudbury: HSE.
SA AS 1674.1:1997. Safety in welding and allied processes Part 1: Fire precautions. Sydney: Standards Australia.
HSE. (2000). Hot work on small tanks and drums. Information Sheet Sudbury: HSE. Retrieved from www.hsebooks.co.uk
CSB. (2001). Refinery Incident – Motiva Enterprises LLC. Incident Investigation report 2001-05-I-DE Washington, DC: Chemical Safety and Hazard Investigation Board. Retrieved from http://www.csb.gov/
SA/SNZ2865:2001. Safe working in a confined space. Wellington: Standards New Zealand.
GAPS. (2003). Cutting, welding and other hot work. Guidance Note Avon, CT: Global Asset Protection Services.
Manz, A. (2003). Welding, cutting and other hot work. In Cote, A., Hall, J., Powell, P. & Grant, C. (Eds.), Fire Protection Handbook (19th ed., pp. 6-211 - 216-220). Quincy, MA: National Fire Protection Association, Inc.
HSE. (2005). Guidance on permit-to-work systems: A guide for the petroleum, chemical and allied industries. Guidance Note: General Series Sudbury: HSE Books. Retrieved from http://books.hse.gov.uk/
DoL. (2006). Health and Safety in Welding. Wellington: Department of Labour.
FM Global. (2006). Hot work management. Property Loss Prevention Data Sheet Johnston, RI: Author. Retrieved from http://www.fmglobal.com
GAPS. (2009). Loss prevention and control for cutting, welding, hot work operations. Guidance Note Avon, CT: Global Asset Protection Services.
HSE. (2009). Safe work in confined spaces. Guidance Note Sudbury: HSE Books. Retrieved from http://books.hse.gov.uk/
Hayes, J. (2010). Safety Decision Making – Drawing a Line in the Sand. Working Paper 74 Canberra: Australian National University. Retrieved from www.http://ohs.anu.edu.au/
Marmo, L., Piccinini, N., Russo, G., et al. (2013). Multiple Tank Explosions in an Edible-Oil Refinery Plant: A Case Study. Chemical Engineering & Technology, 36(7), 1131-1137.
Burlet-Vienney, D., Chinniah, Y., Bahloul, A., & Roberge, B. (2015). Occupational safety during interventions in confined spaces. Safety Science, 79, 19-28.
Jahangiri, M., Hoboubi, N., Rostamabadi, A., et al. (2016). Human Error Analysis in a Permit to Work System: A Case Study in a Chemical Plant. Safety and Health at Work, 7(1), 6-11.