Campus libraries cannot lock surveys.
When you are finished entering your data, run it through edit checks. The screen should look like the below image. It should say Clean (0/1 locks). Institutional research will lock the survey.
If you see this screen, congratulations! You're done!
If you see this, you need to resolve errors with comments:

Click the Perform Edits link to be taken to this screen:

Click Go to error screen to see the errors.They'll have an icon next to them:

When all of your errors are resolved, you'll see this screen:

If all the errors are marked as resolved and your data still doesn't show as clean, just refresh the page. Once it says clean, you're all set!