Pipe Bedding and Surround Quantity Calculator
Pipe trench bedding and surround for a single carrier pipe in the chosen bedding class (granular, concrete cradle, or full encasement). Computes granular bed, surround, selected fill, excavation, earthwork support, and disposal per CESMM4 L.5, NRM2 33.2, MMHW 500, and SMM7 R12.2.
Slug · pipe_bedding · 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.
Pipe Bedding and Surround — 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 · 5 items · units m³, m
| Code | Description | Unit | Quantity |
|---|---|---|---|
| E.4.4.4 | Excavation for pipe trenches, maximum depth 1-2m | m³ | 103.12 |
| E.6.2.1 | Filling, excavated material | m³ | 103.19 |
| I.1.2.2 | Pipework, vitrified clay, nominal bore 300mm, in trench, depth 1.5-2m | m | 25 |
| L.5.1 | Granular bedding to pipe, Class B per HA 40/01; Class 6N granular fill (SHW Cl. 503) | m³ | 2.62 |
| L.5.2 | Granular surround to pipe, Class B per HA 40/01; Class 6N granular fill (SHW Cl. 503) | m³ | 1.93 |
Procurement take-off: the total quantity to order of each material, from the same compute. Supplier-neutral, so you buy anywhere.
- Excavation Trench103.12 m³
- Fill General103.19 m³
- Pipe Bedding2.62 m³
- Pipe Drainage25 m
- Pipe Surround1.93 m³
Illustrative example at default dimensions · engine ref 74fcb8 · not a tendered quantity