Ntier Architecture With WCF Service

Question

Hi guys can any body having sample project or real time project in ntier architecture with wcf service i would like to learn ntier architecture with wcf service for eg:

i would like to make one data access layer and one business logic layer and i would like to consume in wcf services later i would like to consume it in asp.net/mvc/wpf please guys if any body have this give it to me.