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06
MAR
2019

Latest version of SROH out for consultation

The latest version of the New Roads and Street Works Act 1991 code of practice Specification for Reinstatement of Openings in the Highway has been released for consultation. To view please follow the link or copy and paste into browser...
06
FEB
2014

Compaction – Why it’s important

Compaction-Overview-PSS The above link is a brief pdf presentation relating to laboratory testing of backfill materials using the penetrometer method. Many practitioners are relating to CBR% values which generally provide measurement of bearing ratio only and can be confused with...
27
NOV
2013

Penetrometer Compaction Test

The physical difference using penetrometer method to test compaction on granular recycled materials where applying the correct method as prescribed within SROH. Recycled Granular 150mm layers – 8 passes 50kg vibrotamper As compared against backfill of excavation to full...
19
NOV
2013

Southern Gas Networks

Corehard have been selected as the preferred supplier for  core extraction, analysis, voids testing, and compaction testing for Southern Gas Networks across south and southeast of the UK . There are seven primary areas which are programed to provide monthly reports to each...