Calculations to DWA-A-201
Our digital planning tool helps engineers dimension wastewater systems to standard — transparent, auditable, and with an integrated approval workflow.
Based on DWA-A-201 — Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall
Note: results from the tool are a professional working aid and do not replace a review-ready certificate or an engineering service. Binding design is provided through commissioned planning, signed off under professional responsibility.
What the tool does
Full DWA-A-201 coverage
22 worksheets from the current standard version (v3.1/v3.2) — with direct standard references for every input field.
Complete audit trail
Every calculation is fully documented. Rationales, approvals, and changes remain permanently accessible.
Team workflow with approval
Calculations are submitted, reviewed, and approved — with email notifications for all stakeholders.
Linked worksheets
Results from upstream calculations flow automatically into downstream worksheets — no manual data transfer.
How it works
Create a project
Set up a project and select the appropriate DWA-A-201 worksheet for your system.
Enter parameters
All input fields are linked to the corresponding standard clause. Results are calculated in real time and checked for compliance.
Review & approve
The team reviews the calculation, documents the rationale, and approves it — revision-safe and fully traceable.
Request early access
The tool is currently in closed beta and is being opened gradually to engineering firms and operators. Interested? We look forward to hearing from you.
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