Selected folders under versioning Cornerstone

I have a symfony project with the followin structure

SDCU
  |-app
  |-----cache
  |-----logs
  |-bin
  |-vendor
  |-src
  |-web

I want to import this project into SVN (1.7) but without including the cache, logs and vendor folders.

I know how to ignore a folder on a working copy but my doubt is how to import the project ignoring those folders.

See the How to Create and store a Symfony2 Project in Subversion cookbook entry.