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Volume 6 – Geotechnical Manual, Site Investigation and Engineering ...

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Chapter 4 REFERENCES ON GEOMATICS AND LAND SURVEY SERVICES<br />

30 50 50<br />

Cement/Mortar Mix<br />

10mm Ø Rivet<br />

6mm Thk. Galvanised<br />

Steel Plate<br />

50<br />

4 Nos. 150mm Galvanised<br />

Steel Nails driven into<br />

concrete or hard surface<br />

(except pavement)<br />

300<br />

TBM 19<br />

300<br />

JPS<br />

NAME OF<br />

SURVEYOR<br />

30<br />

10mm Ø Rivet<br />

Engraved<br />

Figures<br />

30<br />

TBM MARKER ON HARD SURFACE<br />

March 2009 4A-75

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