© 2009 gss pty ltd 1 sdrb s ystem using p umpable r esin considerable improvements to the crawler...

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© 2009 GSS Pty Ltd © 2009 GSS Pty Ltd 1 SDRB S SDRB S YSTEM YSTEM USING USING P P UMPABLE UMPABLE R R ESIN ESIN Considerable improvements to the Considerable improvements to the crawler rig crawler rig Development work on a new pumpable resin Development work on a new pumpable resin including investigations into including investigations into resin viscosity resin viscosity and and pumping pressures pumping pressures to reduce installation to reduce installation cycle times cycle times Development of an Development of an improved resin sealing system improved resin sealing system Underground 1,000 bolt trial planned with Underground 1,000 bolt trial planned with Xstrata is imminent Xstrata is imminent Considerable development work has been undertaken to Considerable development work has been undertaken to improve the overall system, specifically: improve the overall system, specifically:

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Page 1: © 2009 GSS Pty Ltd 1 SDRB S YSTEM USING P UMPABLE R ESIN  Considerable improvements to the crawler rig  Development work on a new pumpable resin including

© 2009 GSS Pty Ltd © 2009 GSS Pty Ltd 11

SDRB SSDRB SYSTEMYSTEM USING USING PPUMPABLEUMPABLE R RESINESIN SDRB SSDRB SYSTEMYSTEM USING USING PPUMPABLEUMPABLE R RESINESIN

Considerable improvements to the Considerable improvements to the crawler rig crawler rig

Development work on a new pumpable resin including Development work on a new pumpable resin including investigations into investigations into resin viscosityresin viscosity and and pumping pumping pressurespressures to reduce installation cycle times to reduce installation cycle times

Development of an Development of an improved resin sealing systemimproved resin sealing system

Underground 1,000 bolt trial planned with Xstrata is Underground 1,000 bolt trial planned with Xstrata is imminentimminent

Considerable improvements to the Considerable improvements to the crawler rig crawler rig

Development work on a new pumpable resin including Development work on a new pumpable resin including investigations into investigations into resin viscosityresin viscosity and and pumping pumping pressurespressures to reduce installation cycle times to reduce installation cycle times

Development of an Development of an improved resin sealing systemimproved resin sealing system

Underground 1,000 bolt trial planned with Xstrata is Underground 1,000 bolt trial planned with Xstrata is imminentimminent

Considerable development work has been undertaken to improve the Considerable development work has been undertaken to improve the overall system, specifically:overall system, specifically:Considerable development work has been undertaken to improve the Considerable development work has been undertaken to improve the overall system, specifically:overall system, specifically: