Project Design In addition to its sugar division, De Smet Engineers & Contractors (DSEC) has in-house engineering capacity for handling the overall project design as well as all interfaces between processing units, auxiliaries and utilities. DSEC design activities are also extended to architecture, civil engineering and steel structure definition with a view of preparing accurate tendering and execution documents. Moreover, DSEC has the capability to implement processes from Process Design Packages (PDP) supplied by others.