augmentation of dhdt dcs / esd augmentation of dhdt dcs / esd , augmentation of dhdt dcs / esd , expansion of existing dhdt dcs / esd system design, engineering, manufacture, procurement, supply of hardware & software & buy / outs, fat inspection of dcs / esd as per approved qap, integration with existing dcs / esd including hardware, software & cables, packing, marking, forwarding, transportation, commissioning spares & required tools & tackles ( if any ) , documentation etc. installation & erection, system power on, loop checking, pre / commissioning & commissioning activities of system, site acceptance test ( sat ) , support during plant startup and handing over of expanded dcs / esd to purchaser. installation & commissioning of complete dcs / esd system on turnkey basis.