If you want BC to track the shipment for Project Inventory you need to setup a Location (can fill in the address on the Transfer) for the Project. That Location will be replenished with a Transfer from your Warehouse. The Warehouse is replenished from a Purchase, Production, or Assembly (Stock).
With this scenario the Project demand will cause a suggestion for a Transfer, which is how you manage the shipment of material. The transfer will move Items from your warehouse to the Project site. During the Project you will consume the material at the Project site, in BC you will Post the Project Journal to record that consumption.
This allows you to track inventory in your Warehouse verse Project Site as well as manage the shipping/receiving of product to and from Project Sites.
The use of Bins is irrelevant to this scenario. It is simply an additional piece of information you record during the process for that Location.
The use of the Planning Worksheet will help automate a lot of the document creation required to streamline this process. Doing it manually is likely more hassle than it is providing value.
I hope this helps point you in the right direction.
P.S. It works for Assemble-to-Order Project Lines as well, as the Location on the Component Lines will also be your Project Location.
Best Regards,
Ben Baxter
Accent Software Inc