The city of Alpharetta has released proposed designs for four new development projects that will be up for review at the city's Design Review Board on Jan. 20. These include Parcel 5 of Alpharetta City Center, a Cafe Intermezzo at 100 Avalon Blv., a Twisted Taco at 1495 Alpharetta Highway and a Courtyard by Marriott on Amberpark Drive.