Waihi Surface Explosives Principal Management Plan Approved by: General Manager Approval Date: 15/10/2017 Next Review: Archived OceanaGold Waihi Doc ID: WAI-350-PLN-003 Page 13 of 31 5.2 Delivery and Receipting of Explosive Explosives are delivered to site by an approved dangerous goods transport provider. The explosives are the responsibility of the approved dangerous good transport providers until the explosives are confirmed as received. All deliveries of explosives to the magazine shall follow the procedure described below: As required the Drill and Blast Supervisor will complete an ‘Explosives Order Form’ On receipt of the explosive delivery, the Drill and Blast Supervisor will reconcile the original order with the delivery record and confirm the correct explosives are delivered The delivery truck and the driver will be escorted at all times by a Approved Handler Prior to being unloaded, the delivery truck driver will provide an inventory of the explosives being delivered The Magazine Keeper will maintain an accurate count of all explosives being unloaded The Magazine Keeper will ensure explosives deliveries are reconciled with the order placed for that delivery Any discrepancies will be reported to the Drill and Blast Supervisor immediately 5.3 Access, Security and Capacity of Magazines The magazine facilities are located to the north of the open pit. Only certified personnel authorised by the Mine Manager may enter the magazine facilities. The facilities are securely locked and the keys kept locked in the office. A register is kept as keys are signed in and out; a second person must be present to verify that keys are locked away each night. A point to point laser system is armed and monitored by security personnel continuously. To gain access to the magazine area, security must be contacted to get the alarm system turned off. Security must be contacted immediately after leaving the magazine area and the alarm system will be turned on again. Security has a list of authorised personnel who may access to the magazine area. The access road and magazine facilities have appropriate signage. Dry chemical powder fire extinguishers are placed around the facility and the ammonium nitrate store is fitted with a heat sensing ‘dry riser’ sprinkler fire suppression system. The magazine licence is displayed inside the magazine. The licence shows limits by weight or total numbers of explosive that can be stored in that magazine. These limits shall not be exceeded. 5.4 Magazine Rules The explosive magazine has to satisfy the standards detailed in the following documents: Hazardous Substances (Identification) Regulations 2001 New Zealand Hazardous Substances and New Organisms Act 1996 AS 2182.2.2006 Explosive Storage and Use Hazardous Substances (Classes 1 to 5 Controls) Regulations 2001 The magazine rules are as follows: Magazines are to be kept locked, only appointed Magazine Keepers and appointed Shotfirers and/or Approved Handlers may unlock the magazines A person must not smoke or bring any other items likely to cause fire or explosion, within the magazine compound. A receptacle is provided at the entrance to the magazine area for such items A person is not to enter the magazine, be in the vicinity of a magazine or handle explosives if under the influence of drugs or intoxicating liquor No persons under 18 years of age are permitted to enter a magazine A person shall not wear foot wear which has an outer covering consisting wholly or partly of iron or steel All explosives movements in and out of the magazines are to be recorded in the explosives log book All explosives are to be stored according to statuary regulations and site procedures
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