//network/pc05/projectsFolder/project1
...but I haven't been able to create an alias to the shared folder itself (//network/pc05/projectsFolder).
I have tried to go to the /Volumes directory after mounting the folder and creating an alias from the mounted directory, but this doesn't always work, I don't know why, but sometimes I lose write priveliges if using that alias.
I just found out that if you create an alias to a directory, as in the project1 folder above, you can then use the Get Info (Command-I) command on the alias (with the network drive mounted). Click the Select new original button, and it will let you select the actual directory for the alias (//network/pc05/projectsFolder).
Then you just have to change the name of the alias to projectsFolder, and you have the equivalent of a mounted drive alias. I even created a folder, myNetwork, where I keep the all the aliases. Just put it on the Finder's sidebar, and you can quickly mount your network directories.

