Cutting Back Concrete

Planning Production Rates

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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