Residential Roof Drain Inspection

I am currently experiencing some issues with the roof drain in my residential building which has led to flooding and a rat infiltration problem. The specific issues I need help with are: - Drain Inspection: A comprehensive check of the roof drain is required to identify the root cause of the water leakage and rodent problem. - Problem Diagnosis: After the inspection, I need an explanation of what's causing these issues and possible solutions. - Solution Proposal: I would like suggestions for preventative measures to avoid further flooding and rodent issues in the future. The ideal freelancer for this project would be experienced in residential plumbing, especially roof drain systems. Experience in pest control or rat-proofing would be an added advantage. I am looking for someone with excellent problem-solving skills and the ability to clearly communicate the issues and recommended solutions. Time efficiency is also crucial as I would like these issues addressed promptly to prevent further damage or inconvenience. Your physical presence might be required, so I would prefer someone local or who can travel to my location.