10 results
6-K
NGG
National Grid Plc
20 Jun 06
Current report (foreign)
12:00am
techniques to replace old cast iron pipe with new plastic pipe. One of these methods is known as ‘live main insertion’ which enables the replacement … of cast iron pipe and insert the plastic replacement pipe into the iron pipe. This avoids the need to interrupt supply to customers and reduces
6-K
NGG
National Grid Plc
17 Jun 08
Current report (foreign)
12:00am
processes.
Once again we have achieved our objective to replace iron main with plastic in the UK this year, totalling 1,850 kilometres, improving the safety
6-K
NGG
National Grid Plc
16 Jun 09
Current report (foreign)
12:00am
to replace metallic main with plastic this year, totalling over 1,900 kilometres in the UK, and reduced the amount of cast iron and unprotected steel
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