Underpinning

Concrete Pinning - During underpinning operations a cycle of every 4th or 5th pin being constructed concurrently is adopted.

  • Rate of 1.2 m/day, i.e. 1 number support pin per day

Underpinning...

Task / DescriptionSlow  Ave  Fast   Units
 Concrete Pinning, 4th or 5th pin cycles-  1.2 2.2  m/day
 Brickwork Pinning, 1.0 brick thick-  0.4 0.7  m2/hr
 Brickwork Pinning, 1.5 brick thick0.1 0.3 -   m2/hr
 Brickwork Pinning, 2.0 brick thick-  0.2 -   m2/hr
 Wedge and Pin Method, 102mm wall-  0.8 -   m/hr
 Wedge and Pin Method, 215mm wall-  0.7 -   m/hr
 Wedge and Pin Method, 317mm wall-  0.5 -   m/hr

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