
Our experienced engineers provide plumbing design services for major industrial, commercial, residential, and retail projects. Our team specializes in the design and inspection of complex building systems. With in-depth knowledge of applicable codes, standards, and facility guidelines, we focus on delivering sustainable system designs, including compressed air, vacuum systems, laboratory and medical gas systems, purified water systems, laboratory and medical waste drainage and treatment, as well as domestic water, sanitary, and natural gas systems.
Our plumbing engineering deliverables include detailed floor plans, riser diagrams, schedules, equipment layouts, specifications, and construction details related to plumbing systems, pipe work, and associated fittings and accessories.
Hot Water System Design
Grease Waste System Design
Gas Piping System Design
Cold Water System Design
Compressed Air & Vacuum System Design
Lab & Medical Gas Piping Design
Hot Water Return System Design
Lab & Medical Waste Treatment Design
Plumbing Riser Diagram
Sanitary System Design
Storm Drainage Design
Commercial Kitchen Design
Vent Piping Design
RainWater Harvesting System Design
Commercial Laundry Design

We provide plumbing design services for a wide range of building types, including restaurant developments, office and IT buildings, high-rise towers, luxury hotels, hospitals, shopping malls, and large-scale infrastructure projects. Our design solutions are optimized for cost-effectiveness, sustainability, energy efficiency, and ease of maintenance, ensuring low operating costs.
3S MEP + Structural provides integrated MEP, Fire Protection, Fire Alarm, BIM, Energy Modeling, and Structural Engineering services for building projects.
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