Permeable Pavement (CIRIA C753 SuDS) Quantity Calculator
Permeable pavement to CIRIA C753 in permeable block paving (BS 7533-13 / BS EN 1338), porous asphalt (SHW Cl. 938), or porous concrete. Computes permeable surface (m²), reservoir sub-base, geotextile separator, optional HDPE tanking liner, excavation, and disposal.
Slug · permeable_pavement · 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.
Permeable Pavement (CIRIA C753 SuDS) — 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 · 6 items · units m³, m²
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.4.2.2 | General excavation, maximum depth 0.25-0.5m, commencing from existing ground level | m³ | 27.6 |
| E.5.3 | Disposal of excavated material off-site | m³ | 27.6 |
| E.7.1 | Preparation of excavated surfaces, formation | m² | 60 |
| R.1.4 | Permeable pavement reservoir sub-base, Class 3 open-graded aggregate (open-graded granular), 350mm thick, target 30% air voids, per SHW Cl. 815 / CIRIA C753 Ch.20 (CIRIA C753 attenuation reservoir) | m³ | 21 |
| E.7.2 | Geotextile separator, 200 g/m² non-woven, including laps | m² | 60 |
| R.3.7 | Permeable concrete block paving, 80mm units on 30mm gravel laying course, joints filled with 2-6.3mm clean gravel, 80mm block thickness, BS EN 1338 / BS 7533-13, SHW Cl. 1135 / CIRIA C753 Ch.20 (formerly PBP concrete block 80mm per BS 7533-13) | m² | 60 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Disposal27.6 m³
- Excavation General27.6 m³
- Fill Sub Base21 m³
- Formation Prep60 m²
- Geotextile Separator60 m²
- Pavement Surface60 m²
Illustrative example at default dimensions · engine ref bd7e4a · not a tendered quantity