Continue the process until you have run out of main ideas.

Evaluate them to make sure you have all the ideas you must have for the reader to attain your objectives.

Delete any that are not necessary for your reader to know, even if the information seems like good "background" to you. Include only what the reader needs to accomplish your specific objectives.

 
getting building permits
review by state EPA
ordering construction material
furniture has been ordered
status report for the client
purchase of back area for parking completed
project is ahead of schedule
project is on budget
electrical contractor has signed contract