Shopping mall drainage systems are an invisible yet vital component of their overall infrastructure, running day and night to ensure cleanliness, safety, and usability for consumers and businesses alike. With high traffic rates, several food courts, restrooms, and expansive open spaces, malls produce a lot of wastewater and are constantly threatened by spills, overflows, or even flooding in the event of heavy rain. Proper drainage keeps restrooms clean, food preparation areas spotless, and public areas free from slippery floors. In commercial kitchens and food courts, business drains such as grease traps and trench drains keep food waste and oils from backing up the system, upholding health standards and preventing foul smells. Parking garages, particularly in basement or rooftop open parking areas, depend upon channel and surface drains to avoid water accumulation that may damage cars or be hazardous. Drainage systems also aid in HVAC functioning through condensation control, particularly in mechanical and utility rooms. Additionally, under unexpected occurrences such as fire sprinkler system discharge or pipe ruptures, effective drainage eliminates water damage and reduces downtime. Finally, although customers might never see them, drainage systems ensure everything goes smoothly in the background, safeguarding the building, improving customer experience, and making the mall a clean, safe, and friendly place to be.