Installation of sound barriers requires coordination of foundation works, panel installation, and acoustic performance verification while maintaining rail operations. Production rates vary based on barrier height, foundation type, and access conditions. Modern lightweight materials and prefabricated systems have improved installation efficiency.
Key Statistics:
- Average height: 3-6m
- Post spacing: 3-4m
- Foundation depth: 2-3.5m
- Best practice: 40-50m/day
- Acoustic rating: 25-35 dB
- Wind load: Up to 1.5kPa
- Design life: 30-40 years
- Fire rating: 2-4 hours
INTERNATIONAL EXAMPLES
| Country | Location | Length (m) | Height (m) | Rate (m/day) | Type | Contractor | Cost ($K/m) | Source |
|---|---|---|---|---|---|---|---|---|
| Australia | North Shore | 1,200 | 4.5 | 35-45 | Acrylic/Steel | John Holland | 3.2 | TfNSW |
| UK | HS2 | 2,500 | 5.0 | 40-50 | Concrete/Absorptive | Balfour Beatty | 3.8 | HS2 Ltd |
| Japan | Shinkansen | 1,800 | 6.0 | 45-55 | Aluminum/Glass | JR East | 4.2 | JR Group |
| Germany | DB Mainline | 2,200 | 4.0 | 38-48 | Concrete/Steel | Hochtief | 3.5 | Deutsche Bahn |
| Singapore | MRT Lines | 950 | 3.5 | 30-40 | Transparent/Steel | Samsung C&T | 3.0 | LTA |
Installation Phase Analysis:
FOUNDATION WORKS:
- Bored Piles:
- Setting out: 15-20 posts/day
- Drilling: 10-12 piles/day
- Concrete: 8-10 piles/day
- Curing: 7 days minimum
- Pad Foundations:
- Excavation: 12-15 pads/day
- Reinforcement: 10-12 pads/day
- Concrete: 8-10 pads/day
- Curing: 3-5 days
BARRIER INSTALLATION:
- Post Installation:
- Alignment: 15-20 posts/day
- Erection: 12-15 posts/day
- Grouting: 10-12 posts/day
- Testing: 20-25 posts/day
- Panel Installation:
- Lifting: 25-30 panels/day
- Fixing: 20-25 panels/day
- Sealing: 30-35 panels/day
- Testing: 35-40 panels/day
Note 1: Production rates are indicative only.
Note 2: Rates vary based on:
- Access conditions
- Ground conditions
- Rail operations
- Weather impacts
- Material type
- Installation method
Note 3: Installation calculation formula:
P = (BR Ă— HF Ă— AF Ă— WF) – DC, where:
- BR = Base rate
- HF = Height factor (1.0-1.5)
- AF = Access factor (0.7-1.0)
- WF = Weather factor (0.8-1.0)
- DC = Delay constant
MATERIAL TYPES AND RATES:
Transparent Panels:
- Acrylic:
- Installation: 35-45m/day
- Weight: 15-20kg/m²
- Thickness: 15-20mm
- Life: 20-25 years
- Glass:
- Installation: 30-40m/day
- Weight: 30-35kg/m²
- Thickness: 12-15mm
- Life: 30-35 years
Absorptive Panels:
- Concrete:
- Installation: 25-35m/day
- Weight: 80-100kg/m²
- Thickness: 150-200mm
- Life: 40-50 years
- Metal/Composite:
- Installation: 40-50m/day
- Weight: 25-30kg/m²
- Thickness: 100-120mm
- Life: 25-30 years
QUALITY CONTROL:
Acoustic Testing:
- Performance:
- Initial testing: Every 50m
- Joint testing: 100%
- Background noise: <45dB
- Insertion loss: >25dB
- Physical:
- Alignment: ±10mm
- Gaps: <10mm
- Wind load: 1.5kPa
- Impact resistance: Class 1B
Cost Breakdown:
Materials:
- Panels: 45-50%
- Posts: 15-20%
- Foundations: 20-25%
- Accessories: 5-10%
Installation:
- Labor: 35-40%
- Equipment: 25-30%
- Testing: 15-20%
- Documentation: 5-10%
Note: All data subject to:
- Local standards
- Site conditions
- Access restrictions
- Rail operations
- Testing requirements
- Environmental controls
- Maintenance access
- Safety protocols
Additional Considerations:
- Emergency access
- Maintenance requirements
- Drainage provisions
- Graffiti protection
- Bird protection
- Lightning protection
- Asset identification
- Future modifications
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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