Semi- heuristic optimization algorithm (CRAFT) for designing optimal plant layouts in process focused manufacturing/service facilities are also been explained. The proposed algorithm marries the well-known CRAFT (Computerized Relative Allocation of Facilities Technique) with the Hungarian assignment algorithm. Being a semi- heuristic search, our algorithm is likely to be more efficient in terms of computer CPU engagement time as it tends to converge on the global optimum faster than the traditional CRAFT. [8]