Rob Seller,
Managing Director (Structures Division)
Rob is the Managing Director of the Structures and Infrastructure Business Unit and responsible for the team in London. ...
High Pressure Gas Pipe Bridge Inspection & Repair Scheme, Northampton
- Client: National Grid
- Architect: -
- Market Sector: Energy
- Services: Civil Engineering
MLM were commissioned by National Grid to inspect, assess and develop a repair scheme for a pipe bridge structure crossing the River Nene in Northampton. The pipe bridge supports a 600mm diameter high pressure gas main. The gas main was damaged during blast cleaning as part of a repainting scheme, necessitating a temporary pipe jacket repair. Furthermore, the supporting steelwork structures to both sides of the river showed signs of significant corrosion.
MLM inspected the structure and designed a repair scheme to address the corrosion issues and allow National Grid to carry out a permanent repair to the damaged gas main. MLM were subsequently asked to provide project management and contract administration duties for the project.
Key Features
- One supporting frame completely replaced.
- Repairs and sequence of working specified by MLM allowed for the erection of the new supporting structure around existing.
- Method of repair took account of the proximity of the gas main which remained live during the course of the works.
- Works safely completed to the satisfaction of National Grid.
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