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Design Consultant for Rail Tunnel Ventilation Shaft
Buyer: Costain Limited (H7-Heathrow)Region: London, United KingdomValue: £5.0MCloses: 9 Jun 2026 (1d)
Costain Limited seeks a design consultant to oversee the replacement of four end-of-life attenuators in the T5D Rail-tunnel Ventilation Shaft at Heathrow. The role requires expertise in underground rail ventilation, airflow modelling, and compliance review of MEP systems to ensure safe operation during the replacement work.
Key requirements
- ▸Experience with underground rail network ventilation resilience
- ▸Capability in airflow modelling for fans and attenuators
- ▸Understanding of replacement attenuator specification within operational rail network constraints
- ▸MEP systems review and compliance assessment
- ▸Delivery excluding RIBA 5 construction phase
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