Backhoe Dredgers
Backhoe dredger “OPTIMUS”
- A type Wasa BHD 18000 dredger
- Built in 2014
- Hull: 45.0 m x 17.0 m x 4.0 m
- Excavator : Hitachi EX 3600 weight class 360 ton
- Boom: 14.0 m, 17.0 m and 21 m
- Arms: 7.0 m, 9.0 m and 13.0 m
- Buckets: 18.0 m3, 14.0 m3, 11.0 m3 and 9.0 m3
- Max dredge depth normal configuration 23 m
- Max dredge depth special long configuration 29 m
- Class: Bureau Veritas: “Unrestricted navigation”
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| Model: | Wasa BHD 18000 |
| Construction and in service: | June 2014 |
| Length: | 47 metres |
| Width: | 17 metres |
| Moulded depth: | 4.0 metres |
| Deck crane | EFFER 240 (240 tonne metre) |
| Excavator: | Hitachi EX 3600 (360 tonne) |
| Main engine: | 1450 kW |
| Auxiliary engines: | 2 x 120 kW |
| Booms: | 14, 18 metres |
| Arms: | 7, 9 , 12 metres |
| Buckets: | 22, 18, 14, 12 m3 |
| Short configuration dredging depth: | 17 metres using 22-18 m3 bucket |
| Middle configuration dredging depth: | 19 metres using 18 m3 bucket |
| Long configuration dredging depth: | 24 m using 12 m3 bucket |
| Max dredging depth:, special config: | 29 metres using 7 m3 bucket |
| Spuds: | 1.6 x 1.6 x 32 metres |
| Software: | Foreshore dredge monitoring / recording |
| Class: | Bureau Veritas unrestricted navigation |
Backhoe dredger “HECTOR”
Specifications
- A type Wasa BHD 12000 dredger
- Built in 2010
- Hull: 41.0m x 15.0m x 3.7m
- Excavator : Hitachi EX 2500 weight class 250 ton
- Booms: 13.6 m, and 16.0 m
- Arms: 7,0 m 9,0 m and 11,0 m
- Buckets: 14 m3, 12 m3, 9 m3 and 7.5 m3
- Max dredge depth 22 m
- Class: Bureau Veritas: “Unrestricted navigation”
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| Model: | Wasa BHD 12000 / Sea bow |
| Construction and in service: | 2010 |
| Length: | 41 metres |
| Width: | 15 metres |
| Moulded depth: | 3.70 metres |
| Excavator: | Hitachi EX 2500/6 (250 tonnes) |
| Main engine: | 1044 kW |
| Auxiliary engines: | 1 x 80 kW, 1 x 120 kW |
| Booms: | 13.6, 16 metres |
| Arms: | 7, 9, 11 metres |
| Buckets: | 14, 12, 9, 7.5 m3 |
| Short configuration dredging depth: | 16 metres using 12-14 m3 bucket |
| Middle configuration dredging depth: | 18 metres using 12 m3 bucket |
| Long configuration dredging depth: | 22 metres using 7.5 m3 bucket, 23 m special configuration |
| Spuds: | 1.4 x 1.4 x 28 metres |
| Optional: | Drill Tower for blasting, using Sandvik HL1560 hammer |
| Software: | Foreshore dredge Master Backhoe monitoring / recording |
| Class: | Bureau Veritas unrestricted navigation |
Backhoe dredger “BOULDER”
Specifications
- Built in 2010, modified for excavator in 2011
- Hull: 50.4 m x 12.0 m x 2.5 m
- Excavator : Hitachi EX 1200/6 weight class 120 ton
- Boom: 11.5 m
- Arms: 7.0 m and 5.3 m
- Buckets: 5.5 m3 and 5.2 m3
- Max dredge depth 17 m
- Class: Certified by Finnish Transport Agency (TRAFI) for tow in international waters
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| Model: | Wasa BHD 6000 |
| Construction and in service: | 2010 |
| Length: | 50.4 metres |
| Width: | 12 metres |
| Moulded depth: | 2.5 metres |
| Excavator: | Hitachi EX 1200/6 (120 tonnes) |
| Booms: | 11.5 , 13 metres |
| Arms: | 5, 7, 9 metres |
| Buckets: | 4, 5.5, 6.4 m3 |
| Short configuration dredging depth: | 13.3 metres using 6.4 m3 bucket |
| Middle configuration dredging depth: | 14.9 metres using 6.4 m3 bucket |
| Long configuration dredging depth: | 18.5 metres using 4 m3 bucket |
| Spuds: | 0.8 x 0.8 x 24 metres |
| Optional: | Drill Tower for blasting, using Sandvik HL 1560 hammer |
| Software: | Foreshore dredge Master Backhoe monitoring / recording |
Backhoe dredger “HARALD”
Specifications
- Hull: 59.0 m x 14.0 m x 3.0 m
- Excavator : Hitachi EX 2500-6 weight class 250 ton
- Booms: 13,6 m, 16 m
- Arms: 7 m, 9 m, 11 m, 15,5 m
- Buckets: 4 m3 – 14 m3
- Max dredge depth 26 m
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| Length: | 59 meters |
| Width: | 14 metres |
| Moulded depth: | 3 meters |
| Excavator: | Hitachi EX 2500-6 (250 tonnes) |
| Main engine: | 1044 kW |
| Booms: | 13.6 m and 16 m |
| Arms: | 7 m, 9 m, 11 m and 15,5 m |
| Buckets: | 4 m³, 7,5 m³, 12 m³, 9 m³ and 14 m³ |
| Spuds: | 1,4 x 1,4 x 34,2 m |
