Complete SWV systems from fixture traps to soil/waste stacks, vents, and external collection lines up to the manhole/sewer or STP. We ensure gradients, venting, and cleanouts are correct so blockages and odors are minimized. External networks are laid with proper bedding, levels, and access chambers for easy maintenance. Compliances: NBC 2016 plumbing provisions; local authority sewer connection norms; good engineering practices for traps/vents/gradients. Benefits: Fewer blockages, no odor complaints, long service life, easy maintenance with planned cleanouts and chambers. Why Choose Us: Thoughtful routing that respects architecture/MEP clashes, neat shaft detailing, and handover with line-by-line test records.