Highway Pavement Edge Drain (HD 33/16) Quantity Calculator
Highway pavement edge drain per HD 33/16 with perforated carrier in Type B (6F2) filter aggregate, wrapped in geotextile and topped with a pavement separator layer. Computes pipe (m), filter material, geotextile wrap, top separator, excavation, and disposal per SHW Cl. 513 and MMHW 500.7.
Slug · edge_drain · v1.0
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Highway Pavement Edge Drain (HD 33/16) — 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 · 8 items · units m³, m², m
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.4.4.3 | Excavation for pipe trenches, maximum depth 0.5-1m | m³ | 47.5 |
| E.5 | Earthwork support to faces of excavation, maximum depth 0.95m, distance between opposing faces not exceeding 4m | m² | 190 |
| E.6.5.1 | Filling, imported Type 1 unbound sub-base (SHW Cl. 803) | m³ | 12.5 |
| I.4.4.2 | Perforated land drain, HDPE, nominal bore 150mm | m | 100 |
| L.5.1 | Granular bedding to pipe, Class S per HA 40/01; Type B filter aggregate, 6F2 to SHW Cl. 513 (20-40mm) | m³ | 7.5 |
| L.5.2 | Granular surround to pipe, Class S per HA 40/01; Type B filter aggregate, 6F2 to SHW Cl. 513 (20-40mm) | m³ | 24.36 |
| E.7.2 | Geotextile separator, 200 g/m² non-woven separator (SHW Cl. 624), including laps | m² | 110 |
| E.7.2 | Geotextile filter, 200 g/m² non-woven (SHW Cl. 513), including laps | m² | 190 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Excavation Support190 m²
- Excavation Trench47.5 m³
- Fill Sub Base12.5 m³
- Geotextile Filter190 m²
- Geotextile Separator110 m²
- Pipe Bedding7.5 m³
- Pipe Land Drain100 m
- Pipe Surround24.36 m³
Illustrative example at default dimensions · engine ref 829276 · not a tendered quantity