Open Ditch (drainage channel) Quantity Calculator
Linear open trapezoidal earthwork drainage channel with choice of unlined, geotextile, granular, or concrete lining. Computes excavation, lining material, disposal, and topsoil strip per CESMM4 E.4, NRM2 34.10, MMHW 500.4, and SMM7 R13.4.
Slug · ditch · v1.0
Paid tier
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Paid assemblies surface their parameter forms, BoQ output, project save/reload, and full per-standard Excel + DXF + PDF deliverables once a CivilQuants subscription or 7-day pass is active. Per-standard bills across CESMM4, NRM2, SMM7, and MMHW; project-level recompute; watermark-free outputs.
Open Ditch (drainage channel) — a worked example, measured four ways
The same assembly at default dimensions, rendered as a Bill of Quantities under each measurement standard. Switch the standard to see how the bill changes. Change the inputs in the calculator to compute your own.
CESMM4 · 1 item · units m
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.4.2.1 | Unlined earthwork ditch, top width 1700mm, bottom width 500mm, n.e. 1m deep; including excavation, grading, disposal of arisings and any lining materials | m | 100 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Ditch100 m
Illustrative example at default dimensions · engine ref 6559f9 · not a tendered quantity