In addition to Elikhulu, which “is progressing according to plan with project completion and first gold expected in the last quarter of the 2018 calendar year”, Pan African has two significant growth projects, namely the Barberton Mines Sub-Vertical Shaft Project at Fairview and the Evander Mines 7 Shaft No. 3 Decline and 2010 Pay Channel project.
Barberton Mines Sub-Vertical Shaft Project at Fairview
The Fairview mining operation is currently restricted by the hoisting capacity of its No. 3 Decline, which is used to access workings below 42 Level. This decline is currently used to transport employees, material and for rock hoisting and, with no modifications, future mining at depth will be compromised by increased travelling distances, reduced employee face time and a lack of sufficient capacity to ensure both adequate ore replacement and exploration development. With this in mind, Pan African has now completed a study with DRA to investigate the feasibility of constructing a raise-bored, sub-vertical shaft from Fairview’s 42 Level to 64 Level and, potentially, in future, to 68 Level (Note that resources extend down to 74 Level). The sub-vertical shaft will then be used to transport employees and material to the working areas, while No. 3 Decline will be used exclusively for rock hoisting, thereby significantly increasing overall capacity and production from this high grade mining area.
Estimated capex for the project (including contingencies) is ZAR105m (£6.1m) and would result in estimated, additional output of 7,000oz gold per annum, which “can be optimised further to more than 10,000oz per annum.”
Assuming that construction takes place in CY18 and CY19 and that production begins in CY20 with cash costs of c US$800/oz over 15 years, we estimate that this project could be worth in the order of US$29.3m (1.63c/share) to Pan African, rising to US$43.5m (2.42p/share) in the event of optimisation (at Edison’s standard 10% discount rate) – which compares with a current valuation in the order of US$1.0m if valued at PAF’s current group-wide resource multiple.
Evander Mines 7 Shaft No. 3 Decline and 2010 Pay Channel
The 2010 Pay Channel contains an estimated 2.19Moz of resources and is c 4.5km in tramming distance from 7 Shaft, which is currently used by EGM for hoisting to the Kinross metallurgical plant (cf 8 Shaft, which is c 12km distant). Harmony Gold Mining had previously developed the 7 Shaft mine working towards the 2010 Pay Channel, but discontinued the initiative in 2009, allowing the controlled flooding of the development ends and 7 Shaft’s No. 3 Decline, from 21 Level to 18 Level.
To date, two boreholes have successfully been drilled into the 2010 Pay Channel, intersecting the Kimberley reef at a depth of c 2km. The first yielded a reef intersection with a width of 49cm and a grade of 36.04g/t (a metal content factor of 1,766cm.g/t), while the more recent recorded a width of 6cm and a grade of 36.8g/t (a metal content factor of 221cm.g/t). Additional drilling deflections will be performed to further delineate the orebody. In the meantime, in order for mining to commence, the infrastructure would need to be dewatered and only standard footwall and on-reef development (with associated engineering infrastructure) completed. With this in mind, a Pan African project team has been created and has commenced a feasibility study relating to the 7 Shaft No. 3 Decline and 2010 Pay Channel resource, which will initially consider the following issues:
■
Collation of geological data from drill hole intersections and deflections.
■
The cost and timing of dewatering and re-equipping the 7 Shaft No. 3 Decline from 18 Level to 21 Level.
■
The development cost and timing to access the 2010 Pay Channel.
■
The economic viability of the project.
The feasibility study is expected to be completed in the first quarter of the 2018 calendar year (ie H218). In the meantime, Pan African’s management is of the opinion that, “The 2010 Pay Channel can potentially increase Evander Mines’ underground gold production significantly at a relatively low capital cost, using Evander Mines’ established shaft and metallurgical facilities.”
Pro-rata to its resource of 1.48Moz, at Pan African’s group-wide average resource multiple, the 2010 Pay Channel project should be worth in the order of US$13.1m, or c 0.7c/share. In all probability, management would hope and expect that this project would yield an NPV10 to the company of several times this value in the event that its development is sanctioned by the board, subject to capex, opex etc.