Demolishing Concrete
Estimating Productivity of Concrete Demolition
*Production rates listed are based on an 8-hr shift. The above figures are for general estimation purpose only and must not be used to guarantee any production figure to the customer. The actual working results may vary according to the quality and structure of the material to be broken, required degree of material size reduction, installation, condition of the carrier, conditions at the worksite, haulage of the broken material, skills of the operator etc.
| Task / Description | Slow | Ave | Fast |
|---|---|---|---|
| **Hammer (2,200lb - 1,000kg) - 315C Excavator** | |||
| Non-Reinforced Concrete | 115 m³ | 153 m³ | 287 m³ |
| Reinforced Concrete | 107 m³ | 122 m³ | 184 m³ |
| Sedimentary Rock | 126 m³ | 153 m³ | 229 m³ |
| Volcanic Rock | 57 m³ | 84 m³ | 115 m³ |
| **Hammer (3,740lb - 1,700kg) - 330C Excavator** | |||
| Non-Reinforced Concrete | 210 m³ | 287 m³ | 375 m³ |
| Reinforced Concrete | 153 m³ | 115 m³ | 268 m³ |
| Sedimentary Rock | 191 m³ | 115 m³ | 306 m³ |
| Volcanic Rock | 103 m³ | 115 m³ | 210 m³ |
| **Hammer (6,946lb - 3,150kg) - 345C Excavator** | |||
| Reinforced Concrete | 229 m³ | 295 m³ | 650 m³ |
| Sedimentary Rock | 268 m³ | 337 m³ | 688 m³ |
| Volcanic Rock | 153 m³ | 210 m³ | 459 m³ |
Demolishing Reinforced & Unreinforced Concrete - manual jack hammer
| Task / Description | Slow | Ave | Fast |
|---|---|---|---|
| Concrete Slabs, unreinforced 50-150mm | 3.2 hrs/m³ - 2.44 hrs/yd³ | - | 1.9 hrs/m³ - 1.45 hrs/yd³ |
| Concrete Slabs, unreinforced 150-300mm | 5.5 hrs/m³ - 4.21 hrs/yd³ | 4.1 hrs/m³ - 3.14 hrs/yd³ | 3.7 hrs/m³ - 2.83 hrs/yd³ |
| Concrete Slabs, reinforced 50-150mm | 5.2 hrs/m³ - 3.98 hrs/yd³ | - | 3.9 hrs/m³ - 2.98 hrs/yd³ |
| Concrete Slabs, reinforced 150-300mm | 9.1 hrs/m³ - 6.96 hrs/yd³ | 6.2 hrs/m³ - 4.75 hrs/yd³ | 4.7 hrs/m³ - 3.60 hrs/yd³ |
| Concrete Walls, unreinforced | 4.7 hrs/m³ - 3.60 hrs/yd³ | 3.9 hrs/m³ - 2.98 hrs/yd³ | 3.1 hrs/m³ - 2.37 hrs/yd³ |
| Concrete Walls, reinforced | 5.6 hrs/m³ - 4.29 hrs/yd³ | 4.7 hrs/m³ - 3.60 hrs/yd³ | 3.9 hrs/m³ - 2.98 hrs/yd³ |
| Concrete Foundations, unreinforced | 3.6 hrs/m³ - 2.76 hrs/yd³ | 3.3 hrs/m³ - 2.52 hrs/yd³ | 3.0 hrs/m³ - 2.29 hrs/yd³ |
| Concrete Foundations, reinforced | 5.4 hrs/m³ - 4.13 hrs/yd³ | 5.1 hrs/m³ - 3.90 hrs/yd³ | 4.8 hrs/m³ - 3.67 hrs/yd³ |
| Concrete Beams | 7.5 hrs/m³ - 5.74 hrs/yd³ | 6.5 hrs/m³ - 4.98 hrs/yd³ | 5.6 hrs/m³ - 4.29 hrs/yd³ |
| Concrete Columns | 9.2 hrs/m³ - 7.05 hrs/yd³ | 8.2 hrs/m³ - 6.28 hrs/yd³ | 7.3 hrs/m³ - 5.59 hrs/yd³ |
| Tarmac paving 20-50mm thick | 1.9 hrs/m³ - 1.45 hrs/yd³ | 1.7 hrs/m³ - 1.30 hrs/yd³ | 1.5 hrs/m³ - 1.15 hrs/yd³ |
| Tarmac paving 50-100mm thick | 2.1 hrs/m³ - 1.61 hrs/yd³ | - | 1.6 hrs/m³ - 1.22 hrs/yd³ |
| Tarmac paving 100-150mm thick | 2.1 hrs/m³ - 1.61 hrs/yd³ | - | 1.7 hrs/m³ - 1.30 hrs/yd³ |
| Tarmac roadway 150mm thick | - | 3.6 hrs/m³ - 2.76 hrs/yd³ | - |
| Brickwork, walls and columns | 2.4 hrs/m³ - 1.84 hrs/yd³ | 1.8 hrs/m³ - 1.38 hrs/yd³ | 1.3 hrs/m³ - 0.99 hrs/yd³ |
| Brickwork, foundations | 2.7 hrs/m³ - 2.07 hrs/yd³ | 2.1 hrs/m³ - 1.61 hrs/yd³ | 1.5 hrs/m³ - 1.15 hrs/yd³ |
Cutting Back Piles & Slabs - Manual Jack Hammer
| Task / Description | Slow | Ave | Fast |
|---|---|---|---|
| Concrete Pile Caps, 50-300mm deep and 0.6m dia | 0.6 hrs/no | - | 0.3 hrs/no |
| Concrete Pile Caps, 300-750mm deep and 0.6m dia | 1.5 hrs/no | - | 0.4 hrs/no |
| Concrete Pile Caps, > 750mm deep and 0.6m dia | 1.8 hrs/no | - | 0.8 hrs/no |
| Concrete Pile Caps, 50-300mm deep and 1.1m dia | 1.9 hrs/no | - | 0.8 hrs/no |
| Concrete Pile Caps, 300-750mm deep and 1.1m dia | 2.5 hrs/no | - | 1.1 hrs/no |
| Concrete Pile Caps, > 750mm deep and 1.1m dia | 4.2 hrs/no | - | 2.3 hrs/no |
| Concrete Pile Caps, 50-300mm deep and 2.5m dia | 9.2 hrs/no | - | 8.2 hrs/no |
| Concrete Pile Caps, 300-750mm deep and 2.5m dia | 10.1 hrs/no | - | 9.5 hrs/no |
| Concrete Pile Caps, > 750mm deep and 2.5m dia | 11.5 hrs/no | - | 10.2 hrs/no |
| Concrete, Cutting Slabs, 5-25m deep | - | 15.2 m/hr - 49.87 ft/hr | - |
| Concrete, Cutting Slabs, 25-50m deep | - | 11.5 m/hr - 37.73 ft/hr | - |
| Concrete, Cutting Slabs, 50-75m deep | - | 6.7 m/hr - 21.98 ft/hr | - |
| Concrete, Cutting Holes, coring machine | - | 0.2 m³/hr - 0.26 yd³/hr | - |
| Concrete, Cutting Back to expose couplers 0.7m slab | - | 2.5 m/day - 8.20 ft/day | - |
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