Site survey and confirming with the customer that the work order is correct and they know what the job will entail is key. You don't want a customer to come and tell you that they don't want you to drill holes when you are all ready to drill them. It happens. The customer is always the first one to throw a monkey wrench in your plans... You have to have a plan before you start and you definitely need to think a couple steps ahead.
This is CABL.com posting #322128. Tiny Link: cabl.co/mbvXM