Steel lattice poles have been utilized in sub transmission line at long distance spacing. Utilization of poles under various mechanical load status along with possibility of manufacturing and erection at bundle and multi circuit lines are favorable features of these poles. Besides, feasibility of tower erection at longitudinal spans, ease of transportation, brisk repairmen and replacement dominates the advantages of steel lattice poles. In contrary, more space requirement, basic foundation width, improper structure appearance, tower components’ splinter, high corrosion especially at foundation, long installation time, more catering and maintenance requirements compose the disadvantages. PARS SAKHTAR Co. designates the best financial and technical scheme in accordance with clients’ specifications.