Hard Material in Trench (extra-over) Quantity Calculator
Extra-over for natural rock or artificial hard material encountered in a drainage trench. Computes linear run (m) and volume (m³) per CESMM4 E.6/E.7, NRM2 5.6, MMHW 500.6, and SMM7 R12.6.
Slug · hard_material_in_trench · v1.0
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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.
Hard Material in Trench (extra-over) — 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 m³
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.6.2 | Extra over excavation in natural rock encountered in drainage trench, 1–2m deep; including all breaking, blasting where required, additional plant, loading, hauling and disposal of arisings | m³ | 3.5 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Hard Material Trench3.5 m³
Illustrative example at default dimensions · engine ref 50f12f · not a tendered quantity