Main contractor Interserve are currently constructing a Sainsbury's supermarket, student accommodation block and several retail warehouse units in Selly Oak Birmingham. above: a cage vibrator being used to install a full length 14m cage to a contig wall bearing pile Lansdowne are undertaking the setting-out of the piles for client Cementation Skanska. Three rigs are currently installing the CFA piles. Lansdowne duties include generating pile co-ordinates from design drawings,