Official source
Source domain: dbsa.org
Collected on 13 July 2026
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PPS-9 DRILLING AND GROUTING (DAMS)
A bill of quantities is made available for pricing dam-wall drilling and grouting work at Raising of Tzaneen Dam. It covers equipment setup, drilling primary through quaternary grout holes, exposing drain holes, installing new piezometers and re-drilling grout holes, together with site establishment, safety and environmental management.
PPS-9 DRILLING AND GROUTING (DAMS)
Reference
082 BOQS
