The geotechnical works comprised 27 nos CPT tests (11nos CPt at investigation area, 16 nos CPT at lump clay fill) and excavation of two different levels trial pit (4m and 8m depth) and installation of 18 nos settlement beacons, 4 nos piezometers, 2 nos magnetic extensometers, 2 nos standpipes.
two sand cone tests were carried out on filling material one sampling hole was drilled and 11 nos undisturbed (UD) samples were taken. 11 nos Vane tests were carried out in lumpy clay.