Abstarct: Nowadays tunnel mechanized boring by full face tunnel boring machines has extra use in the world. One of important factors in mechanized borings is feasibility researches, project costs and scheduling determination that depend on machine performance and utilization accurate and true determination. Performance research of this machines due to high preliminary cost of them is one of the factors that of several points is noticed. TBM machine performance is consists of penetration rate, utilization coefficient and advance rate that all of these determine project time. For TBM performance prediction must be noticed on several parameters such as geology conditions, intact rock properties , rock mass characteristics, design and operational parameters of TBM machine such as cutter size, average spacing of cutters, thrust, torque, cutterhead RPM (round per minute of cutter head), power and cutter properties. One of the projects in IRAN country is Qomroud water transfer tunnel that the main goal of this project is to providing of water for cities, Qom, Delijan, Mahallat, Khomein and Golpaygan. In this thesis baxsed on geology conditions and due to tunnel path length is payed on TBM machine selection in 1&2 sections of Qomroud water transfer tunnel. since large chainages of this two sections passes of soft and alluvium grounds, and because it is necessary face active maintenance, thus mechanized boring machines don't used from type open shield, single shield and double shield that in those creation possible of face active maintenance don't existed and of between mechanized boring machines in soft grounds, the tunneling machine from type Earth Pressure Balance Shield (EPBS) is elected that has high efficiency in this grounds. Then with use of QTBM, RMi, NTH and CSM ways TBM machine performance predicted for each tunnel pass engineering geology units and daily advance rate and tunnel accomplishment time is calculated by each above ways. Ultimately with comparable calculated daily advance rate values by this ways with real values was determined that performed prediction by NTH and RMi ways has been closest values than real values. In regarding to results of NTH and RMi ways tunnel accomplishment time has been predicted about four years and six months.