| 1971-1980 |
Western Areas Gold Mine RSA.
Mining geology - Mine & Section Geologist;
Acting Chief Geologist.
Production Shift Boss;
Mine Overseer & U/G Manager |
| 1980-1981 |
O’Kiep Copper Mines RSA.
Production U/G Manager
|
| 1981-1982 |
Prieska Copper Mines RSA.
Section Manager Planning. |
| 1982-1985 |
Eastern Transvaal Cons. RSA.
New Consort GM - Section Manager.
Sheba GM - Mine Superintendent |
| 1985-1990 |
AECI Blast Consult RSA.
Blasting & Senior Blasting Eng. – Drill
& blast design surface & U/G. Ground
vibrations & airblast control.
SABREX computer modeling.
Presentation of papers. |
| 1990- 2001 |
“HOLDERBANK” CH.
Senior Process Eng., Consulting Eng.
Quarries & Crushing - drill & blast,
load & haul selection of quarry equipment.
Optimization of operations. Planning &
design of quarries. Cement & aggregates.
Training and presentation of papers. |
| 2001-2009 |
HOLCIM/HGRS CH.
Senior Consulting Eng. Design and
optimizing of quarries & crushers,
Due diligence of both open cast and
underground operations. |
| 2009- to present |
RPQ CH
Independent quarry & mining
consultant |
| |
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