You are not creating a new Gantt chart, only updating the one you created in the previous assignment with the major and minor tasks uncovered while creating the infrastructure design document.
Note:

You are to create or assume all necessary assumptions to successfully complete this assignment.
You must submit both parts as separate files to the assignment area. Label each file name according to the appropriate part.
Instructions
Part 1: Infrastructure Design
Create an 8–10-page infrastructure design document in which you:

Identify the major hardware and software components of your hypothetical e-commerce company’s information systems infrastructure.
Design your e-commerce company’s hardware (database and proxy servers, network equipment) and software (analytics, big data, API, content management) from a size, scale, type, and interoperability standards perspective.