As we are aware with the increasing competitive market in the construction industries due upcoming speedy and efficient techniques construction personnel have to be more careful in all their decisions. Many existing studies shows schedule management focus on the planning stage particularly on schedule estimate based on labor and equipment resources. For this study, facade was selected because of its importance in construction activity in terms of schedule estimation for high rise construction. To develop a schedule estimation model for facade, an in depth case study was conducted. Results of case study have then used in Monte Carlo Simulation. Finally, by using the results of the simulation, a schedule estimation model for facade construction will be developed conducting multiple regression analysis. This developed model will help the project managers to easily, quickly and accurately perform schedule estimation when problem occur that may cause construction delay and time extension