Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Explanation: Giorgio's answer is the correct italian version of the abbreviation! However, you have asked for the English equivalent, and that is Preliminary Project Design Description, you can easily use the same abbreviation, as that matches the italian one ;)
www.babylon.com/define ->enter PPDD in the look up field
Galya Ivanova Netherlands Local time: 00:35 Works in field Native speaker of: Bulgarian, English