Utility relocation in railway environments involves complex coordination of multiple service authorities, staged works, and maintenance of existing services. Production rates vary significantly based on utility type, depth, accessibility, and interface requirements. Modern techniques including trenchless technology and service detection systems have improved efficiency, with some projects achieving relocation rates of up to 50 meters per day under optimal conditions.
Key Statistics:
- Average production: 20-30m/day
- Typical depth: 0.6-3.0m
- Service corridors: 2-5m width
- Best practice completion: 40m/day
- Excavation volume: 15-25mÂł/day
- Service detection accuracy: ±0.3m
- Minimum clearances: 0.5-1.0m
- Protection requirements: 100%
AUSTRALIA REGION
| Location | Station | Length (m) | Service Type | Depth (m) | Rate (m/day) | Duration (weeks) | Contractor | Cost ($M) | Source |
|---|---|---|---|---|---|---|---|---|---|
| Sydney | Central | 450 | HV/Water/Comms | 1.2-2.5 | 25-30 | 16 | John Holland | 4.8 | TfNSW |
| Melbourne | Metro | 380 | Gas/LV/Water | 0.9-1.8 | 20-25 | 14 | CPB | 3.6 | MTM |
| Brisbane | Cross River | 320 | Water/Comms | 1.5-2.2 | 22-28 | 12 | Downer EDI | 2.9 | QR |
| Perth | Forrestfield | 280 | HV/Gas/Water | 1.8-2.8 | 18-24 | 10 | Laing O’Rourke | 2.4 | PTA |
| Sydney | Waterloo | 350 | All Services | 1.0-3.0 | 15-20 | 18 | CIMIC | 3.8 | Sydney Metro |
Service Type Analysis:
High Voltage Electrical:
- Production Rates:
- Open trench: 15-20m/day
- Joint bays: 1-2 days each
- Cable pulling: 200-300m/day
- Testing: 2-3 days/section
Water Mains:
- Production Rates:
- Open trench: 25-30m/day
- Connections: 1-2 days each
- Testing: 1 day/100m
- Commissioning: 2-3 days/section
Gas Mains:
- Production Rates:
- Open trench: 20-25m/day
- Welding: 10-12 joints/day
- Testing: 2 days/section
- Commissioning: 3-4 days/section
Communications:
- Production Rates:
- Open trench: 30-35m/day
- Joint pits: 1 day each
- Cable pulling: 300-400m/day
- Testing: 1-2 days/section
Note 1: Production rates are indicative only.
Note 2: Rates vary based on:
- Service type
- Ground conditions
- Access constraints
- Interface requirements
- Authority requirements
- Weather conditions
Note 3: Volume calculation formula:
V = (L Ă— W Ă— D Ă— SF Ă— CF), where:
- V = Excavation volume
- L = Trench length
- W = Trench width
- D = Depth
- SF = Swell factor (1.3-1.5)
- CF = Complexity factor (1.2-1.8)
Influencing Factors:
- Service authority requirements
- Railway protection requirements
- Existing service conflicts
- Ground conditions
- Access restrictions
- Weather impacts
- Traffic management
- Safety requirements
Other production rates – Indicative only
- RAIL INDUSTRY PRODUCTION RATES COMPREHENSIVE TABLE
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Our Partners
- FR2 Infrastructure –Â Constructability advise and project and planning controls
- Staging Diagrams – Staging diagrams for possession planning
Possession Planning – Current Possession Calendars
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