Worked example — Masonry wall — Length of the wall 20 m, Height of the wall 2.5 m, Openings (doors, windows) 5 m²
Net area removed: 45.00 m² · Volume in place: 5.400 m³ · Rubble volume (loose): 7.560 m³ · Weight to haul away: 9.72 t · Truck loads: 2
Demolition and Rubble Removal (volume, weight, truck loads)
Choose a masonry wall, a concrete slab or a floor covering and enter its dimensions (for a wall, the openings and the solid share of the blocks). PRAXAO gives the volume in place, the loose rubble volume with the swell, the weight to haul away and the truck loads, and for a slab the steel recovered if you enter its ratio. Swell, density, solid share and truck capacity are starting values to replace with site measurements. The tool counts what comes out: it does not plan the demolition or deal with hazardous materials.
Result
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How to use it
- Choose wall, slab or floor covering.
- Enter the dimensions (and the openings for a wall).
- Replace the starting values (solid share, swell, density, truck capacity) with site measurements.
- Read the volume, the weight and the truck loads.
Examples
Frequently asked questions
Does it plan the demolition?
No. The method, the propping, the stability of what stays and hazardous materials such as asbestos need a survey and a qualified contractor.
What is the swell?
Broken material takes more room than in place. The loose volume is the volume in place increased by the swell, and it is the one that fills the trucks.
Why a solid share for a wall?
A hollow-block wall is not solid throughout. The share of solid material gives the volume that really comes out.
Guides to go further
BUILNORA
How to count rubble: volume, weight and truck loads of a demolition
Net area, volume in place, swell, weight and truck loads: the method to plan the removal of rubble, with examples.
Next step
- Turn this calculation into a quoteCarry the quantities into a priced quote, ready to send to your client.
- All tools in the “Demolition & rubble removal” category
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