Start with the normal working pattern
Describe the expected daily users, shift structure and days of operation. Mention any predictable peaks, such as a new trade arriving or a weekly public activity. A useful initial brief explains the pattern rather than treating every week as identical.
Identify the on-site contact for access and the person who can approve changes to the rental. They may be different people. Keeping those roles clear helps avoid a service visit being obstructed by an unexpected gate policy.
Revisit the plan at project milestones
Construction phases, seasonal attendance or a temporary closure can change restroom needs. Contact the rental team before adding users, moving equipment or extending the use period. Existing equipment should not be relocated without agreement.
Check that the service route remains usable after storage, fencing or parking arrangements change. A longer rental needs more than a good first placement; the approach must work throughout its life on the property.
Close the rental deliberately
Give notice when the expected finish date becomes clear and confirm collection arrangements. A project finishing early does not mean equipment is automatically collected that day. Ask how extensions and ending the rental are handled in the agreed terms.
For temporary facilities supporting an occupied property, make sure the replacement or permanent bathroom is usable before planning removal. Discuss remaining needs rather than leaving a gap between the two arrangements.