How to report water leakage in the basement to the Urban Construction Bureau?

Directly indicate that the basement is leaking. Potential safety hazards, budget to be solved, and repair scheme. We have more than 30 years' experience in strengthening waterproof and plugging structures and have dealt with many basement problems. The warranty period is long. Provide free professional technical advice on repairing waterproof leakage of concrete, and introduce the performance of plugging materials. Today is free of repair. Tomorrow leaks, year repairs, and year leaks troubles.