Tejjy Inc. provides 4d scheduling for architects, building contractors, engineers and designers to visualize construction sequences in respect of time. BIM engineers of Tejjy Inc. using 4D in BIM add an extra dimension of information to the project information model in the form of scheduling data. Implementing 4d BIM scheduling services, Tejjy Inc. design-build firm in USA improves the quality of design and construction documentation by testing designs against construction sequencing, eliminating constructability issues.