Mass Concrete Gravity Retaining Wall Quantity Calculator
Mass concrete gravity retaining wall that resists overturning by self-weight, with trapezoidal cross-section. Computes excavation, blinding, mass concrete body (SHW Cl. 1704), formwork, backfill, and drainage per CESMM4 F.5.3, NRM2 11.2.3, MMHW 1700.5, and SMM7 E10.2.3.
Slug · gravity_wall · 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.
Mass Concrete Gravity Retaining Wall — 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 · 10 items · units m³, m², m
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.4.2.5 | General excavation, maximum depth 2-5m, commencing from existing ground level | m³ | 501.5 |
| E.5.3 | Disposal of excavated material off-site | m³ | 252.65 |
| E.6.3.2 | Filling, imported selected granular material, Class 6N to SHW | m³ | 165.4 |
| E.6.2.1 | Filling, excavated material | m³ | 248.85 |
| F.1.1.1 | In-situ concrete blinding, C8/10, thickness 150mm | m³ | 4.88 |
| F.5.3 | In-situ concrete C25/30, mass concrete gravity retaining wall, stem height 3.00m, retained height 2.80m, front face vertical, back face battered, thickness exceeding 500mm | m³ | 78.38 |
| G.1.4 | Formwork to vertical and battered faces | m² | 175.8 |
| I.4.4.2 | Perforated land drain, HDPE, nominal bore 150mm | m | 25 |
| L.5.2 | Granular surround to pipe, 20mm single-size aggregate | m³ | 4 |
| E.7.2 | Geotextile separator, 200 g/m², including laps | m² | 22 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Concrete Blinding4.88 m³
- Concrete Mass78.38 m³
- Disposal252.65 m³
- Excavation General501.5 m³
- Fill General248.85 m³
- Fill Selected165.4 m³
- Formwork175.8 m²
- Geotextile Separator22 m²
- Pipe Land Drain25 m
- Pipe Surround4 m³
Illustrative example at default dimensions · engine ref e0573e · not a tendered quantity