[header] How to write a memo for building renovations [title] Request copies of previous memoranda. [step] You can get a feeling for the tone and formality of your organization by looking at examples of past notices. Ask your superior to only provide those samples that they have been pleased with. 
[title] Obtain copies of contact information for all those who are affected by this memo. [step] You will need to send each party a copy, and it can take a few days or weeks to obtain all the necessary addresses or emails.