Package D – Detention Tank For Lots 751–1,000 m²

Lot Size (m²) Active Storage (L) Orifice Size (mm) Subsurface Suitable? Backwater Valve? Trap? Tank 751 - 1000 Meets 7200L Requirement 50 ✅ Yes ✅ Yes ❌No Norwesco Low Profile Includes: Norwesco Low Profile Tank + 50 mm Orifice Plate + Overflow Kit + Backwater Valve. Sewer Gas Trap to be external to the tank and to be supplied by others. For larger lots close to the 1,000 m² mark, this 7,200L package delivers the maximum required active storage under Vancouver’s new regulations. Engineered for long-term underground use with minimal maintenance, this tank provides reliable detention with shallow burial depth and all required fittings in one complete package.