Case
Studies

Civil
fill and chalk
89mm
Domestic
London Clay
89mm
Domestic
Sandy Clay into gravels
114mm
Domestic
Desiccated Clay
76mm
Civil
Clay
140mm
Civil
Clay into sand stone
140mm
Civil
Made up ground, clay and gravel
219mm
Domestic
Hard clay
76r
Civil
Hi Risk contaminated
194mm, 219mm tube
Civil
Clay and flint
219mm
Civil
Contaminated
140mm 140mm 265mm 354mm
Civil
London clay Alluvium
219mm
Civil
Contaminated
194mm, 140mm
Domestic
High plasticity clay
76r
Domestic
Upper clays into hard gravels
76r
Domestic
Clay/chalk
89r
Domestic
Soft Clay
76r
Domestic
Clay and gravels
60r hand held
Domestic
Running sands clay
76r
Domestic
Clay into gravel
76r
Domestic
Hard clay
60r Hand Held
Domestic
Clay
60r
Civil
Unknown backfill clay
60r
Domestic
Poor. Clay in to gravel
76r 8”10” rock
Civil
Made fill
89mm
Civil
Clay/gravel/made ground
89mm
Domestic
Clay
73mm
Civil
Clay
140mm Re purposed tube
Civil
Clay
140mm Re Purposed pipe