Stormwater Tank Module Quantity Estimator

Convert an engineer-provided storage target into a whole-module quantity for the ARW-1050 500 mm or 400 mm configuration.

Required nominal storage, m³

Module configuration

Intended module layers

Whole modules

Supplied nominal storage

10.213 m³

Nominal plan area

11.00 m²

Module-zone depth

1,000 mm

Estimator boundary

The calculation rounds up whole 1,000 × 500 mm modules. It excludes cover, side clearance, connection zones, access, structural design and hydraulic allowances.