I would recommend apply first and then plan. It can take u more than 30 days to get them anyways .I am planning to apply for ATIP Request and below are my timelines
Location: Toronto
App. Delivered: Nov 23, 2019
AOR: February 10, 2020
In Process ECAS: February 24, 2020
Finger Print Request Received : February 24, 2020
Finger Print Request Submitted : March 03, 2020
Application Office - Scarborough