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Making the earth move

 

Perth contractor I&H Brown has started a major earthworks contract to pave the way for 3,000 houses on a former opencast coal site.

The company’s Civil Engineering Division is working for Hargreaves Services on a site in Tranent, East Lothian, bordered by the A1 trunk road and the main east coast railway line. General works consist of re-profiling to formation level and constructing surcharging mounds to induce settlement and consolidation of the previously backfilled site of the Blindwells opencast operation.

 

 

Under starter’s orders…

 

Once settlement has taken place, 2.5 metres in depth is to be excavated across the site and re-filled in layers using the high-energy impact compaction (HEIC) process. Other works include construction of new access into the site and diversion of a watercourse and associated drainage.

Bulk earthworks will comprise topsoil strip (215,000 cub. metres), general cut/fill to re-profile to formation levels (415,000 cub. metres), construction of surcharging mounds (3,335,000 cub. metres), and HEIC excavation and compaction (685,000 cub. metres).

The contract will last 174 weeks and a spokesman for Brown said: “This is a significant win for the company and one which represents both secured income over a three-year period and great potential going forward.”

 

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Article posted 30/7/2018