Practical guide · SORTI s.r.o.

Site levelling: target levels, soil and the finished area

A more level garden might mean rough earthworks, preparation for a surface or an area ready for seeding. Define the use and finished levels before booking machinery.

Published · Updated · 3 min read

Start here

Three things to know

  • Define how each area will be used and its target levels.
  • Keep topsoil, subsoil and mixed material distinct.
  • Decide what stays, what leaves and what must be delivered.
Contents of this guide
  1. Define the result before moving soil
  2. Define the handover condition for each area
  3. Distinguish topsoil, subsoil and mixed materials
  4. Plan what stays, what leaves and what is delivered
  5. Consider levels and water together
  6. Example: plan the whole garden before removing soil

Define the result before moving soil

Describe what each area will become: lawn, terrace, path or a building location. Give it target levels and an agreed finishing point. Then plan soil movements across the whole site. Removing everything immediately and ordering more material later may not suit your plan; retained soil still needs to be suitable for its intended use.

Define the handover condition for each area

Rough levelling, base preparation and a surface ready for seeding are different scopes. Specify what the contractor completes and which layers or tasks the next trade takes over. Send their readiness requirements before requesting a quotation.

A simple table helps. Describe your aims in plain language, but take levels and technical requirements from the relevant documents. The excavator operator should not have to guess the depth of a future construction on arrival.

Swipe sideways to see all columns.

Scope checklist, not a design for layers or bearing capacity.
AreaClarify in the briefWho follows
Future lawnTarget surface and soil condition at handover.The contractor preparing the final surface and lawn.
Patio or pathLevels and groundworks scope for subsequent layers.Base and surfacing contractor.
Driveway or new structureDesign, loading and handover requirements.Responsible subsequent construction contractor.

Distinguish topsoil, subsoil and mixed materials

If the original surface soil will be reused for landscaping, agree separate stripping and storage. Avoid mixing it indiscriminately with subsoil, stones or rubble. The Czech environment ministry’s methodology distinguishes cultivated soil layers and other horizons; their extent varies by location.

Have material assessed for its intended use in a structure or backfill. Having soil available on site does not prove suitability. If the project has soil-handling conditions, pass them to the contractor with the other documents.

Czech Ministry of the Environment – soil survey methodology (Czech) ↗

Plan what stays, what leaves and what is delivered

Review the whole project before the first removal. Some areas lose material while others may need soil or base material. Distinguish on-site movement, temporary storage, loading and removal. These should be separate parts of the quotation scope.

Storage must not obstruct access or the next stage without agreement. Changes to the schedule can make a previously suitable location unusable. Confirm the sequence and which material must remain accessible later. Transport quantities cannot be determined from project volume alone.

Consider levels and water together

Send the available terrain design and describe where water collects. Connections to entrances, foundations, fences and plot boundaries matter. Adding soil does not replace drainage design or a load-bearing base. More demanding changes need appropriate design information.

This guide concerns preparing a brief for ordinary ground levelling. It is not a method for excavating slopes, designing retaining structures or treating instability. If those interventions are involved, obtain the necessary specialist information first.

Example: plan the whole garden before removing soil

Excavation leaves material while another part of the garden is due to be altered later. First establish the intended use and whether the soil is suitable. If it meets the requirements and conditions, agree storage; otherwise arrange removal and any replacement material separately.

This example promises neither savings nor the suitability of particular soil. It explains why a plan of the whole plot is more useful than a stockpile photo alone. Include the location, areas, level information, access and handover requirements.

Frequently asked questions

Does levelling always mean a horizontal surface?

No. The final shape must suit the use and level design, including water and connections.

Can all excavated soil stay in the garden?

Clarify its use, suitability and project conditions first. Available space alone does not establish a suitable solution.

Must every garden area have the same brief?

No. Identify each area and its own result, information and next stage. Coordinate shared access and materials together.

What if soil reuse is undecided?

Mark it as open and clarify the purpose and suitability before confirming movement or removal.

Your next step

What should your plot look like when finished?

Send a sketch, location, photos and intended use. Explain what stays on site and whether you need removal or deliveries.

Keep planning

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