Cutting Switchboxes

Task / Description Slow   Ave   Fast    Units
 Cutting in Concrete, small box 7.1  9.5  12.5   no/hr
 Cutting in Concrete, large box 3.6  4.5  5.6   no/hr
 Cutting in Brickwork, small box 6.6  9.5  12.5   no/hr
 Cutting in Brickwork, large box 4.2  5.3  6.3   no/hr
 Cutting in Lightweight Blockwork, small box 20.0  23.0  25.0   no/hr
 Cutting in Lightweight Blockwork, large box 10.0  12.5  14.3   no/hr
 Cutting in Heavyweight Blockwork, small box 7.7  10.0  12.5   no/hr
 Cutting in Heavyweight Blockwork, large box 3.8  4.8  5.9   no/hr

 

Cutting Chases

Task / Description Slow   Ave   Fast    Units
 Concrete, cutting by hand, < 25mm wide 1.5  2.1  3.1   m/hr
 Concrete, cutting by hand, 25-50mm wide 1.2  1.6  2.5   m/hr
 Concrete, cutting by hand, 50-75mm wide 1.0  1.4  2.1   m/hr
 Concrete, cutting by hand, 75-100mm wide 0.9  1.2  1.8   m/hr
 Concrete, cutting by machine, < 25mm wide 3.1  4.0  5.8   m/hr
 Concrete, cutting by machine, 25-50mm wide 2.5  3.3  5.0   m/hr
 Concrete, cutting by machine, 50-75mm wide 2.1  2.9  4.2   m/hr
 Concrete, cutting by machine, 75-100mm wide 1.8  2.4  3.7   m/hr
 Brickwork, cutting by hand, < 25mm wide 2.1  2.7  4.1   m/hr
 Brickwork, cutting by hand, 25-50mm wide 1.6  2.3  3.5   m/hr
 Brickwork, cutting by hand, 50-75mm wide 1.4  1.9  2.8   m/hr
 Brickwork, cutting by hand, 75-100mm wide 1.2  1.6  2.5   m/hr
 Brickwork, cutting by machine, < 25mm wide 4.2  5.5  11.1   m/hr
 Brickwork, cutting by machine, 25-50mm wide 3.3  4.5  6.7   m/hr
 Brickwork, cutting by machine, 50-75mm wide 3.3  4.5  6.7   m/hr
 Brickwork, cutting by machine, 75-100mm wide 2.5  3.3  5.0   m/hr
 Light Blockwork, cutting by hand, < 25mm wide 3.8  5.0  7.7   m/hr
 Light Blockwork, cutting by hand, 25-50mm wide 3.2  4.2  6.3   m/hr
 Light Blockwork, cutting by hand, 50-75mm wide 2.6  3.4  5.3   m/hr
 Light Blockwork, cutting by hand, 75-100mm wide 2.3  3.1  4.5   m/hr
 Light Blockwork, cutting by machine, < 25mm wide 7.7  10.0  14.2   m/hr
 Light Blockwork, cutting by machine, 25-50mm wide 5.9  7.7  11.1   m/hr
 Light Blockwork, cutting by machine, 50-75mm wide 5.2  7.2  10.0   m/hr
 Light Blockwork, cutting by machine, 75-100mm wide 4.7  6.3  9.1   m/hr
 Heavy Blockwork, cutting by hand, < 25mm wide 1.9  2.6  3.8   m/hr
 Heavy Blockwork, cutting by hand, 25-50mm wide 1.6  2.1  3.2   m/hr
 Heavy Blockwork, cutting by hand, 50-75mm wide 1.3  1.8  2.7   m/hr
 Heavy Blockwork, cutting by hand, 75-100mm wide 1.2  1.5  2.3   m/hr
 Heavy Blockwork, cutting by machine, < 25mm wide 3.8  5.0  7.7   m/hr
 Heavy Blockwork, cutting by machine, 25-50mm wide 3.2  4.2  6.2   m/hr
 Heavy Blockwork, cutting by machine, 50-75mm wide 2.7  3.6  5.2   m/hr
 Heavy Blockwork, cutting by machine, 75-100mm wide 2.3  3.1  4.5   m/hr

 

Cutting Back for Pile Caps

Task / Description Slow   Ave   Fast    Units
 Concrete Pile Caps, 50-300mm deep and 0.6m dia 0.6  -   0.3   hrs/no
 Concrete Pile Caps, 300-750mm deep and 0.6m dia 1.5  -   0.4   hrs/no
 Concrete Pile Caps, > 750mm deep and 0.6m dia 1.8  -   0.8   hrs/no
 Concrete Pile Caps, 50-300mm deep and 1.1m dia 1.9  -   0.8   hrs/no
 Concrete Pile Caps, 300-750mm deep and 1.1m dia 2.5  -   1.1   hrs/no
 Concrete Pile Caps, > 750mm deep and 1.1m dia 4.2  -   2.3   hrs/no
 Concrete Pile Caps, 50-300mm deep and 2.5m dia 9.2  -   8.2   hrs/no
 Concrete Pile Caps, 300-750mm deep and 2.5m dia 10.1  -   9.5   hrs/no
 Concrete Pile Caps, > 750mm deep and 2.5m dia 11.5  -   10.2   hrs/no
 Concrete, Cutting Slabs, 5-25m deep -   15.2  -    m/hr
 Concrete, Cutting Slabs, 25-50m deep -   11.5  -    m/hr
 Concrete, Cutting Slabs, 50-75m deep -   6.7  -    m/hr
 Concrete, Cutting Holes, coring machine -   0.2  -    m3/hr
 Concrete, Cutting Back to expose couplers 0.7m slab -   2.5  -    m/day

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