For a number of years the UK has been facing a chronic housing shortage. In response to this, UK house builders have had to design extensive housing projects with requirements for 100+ housing plots. This has led to some major challenges for estimators, such as:

• Creating existing 3D surfaces over very large areas sometimes requiring the use of multiple site plans and 10s of thousands of elevation points contained in a number of different formats.

• Completion of a topsoil strip and demolition phase.

• Creation of a detailed proposed surface consisting 100s of gardens, shared drives, garages and building pads.

• Creating a seamless joins between different entities to ensure optimal accuracy.

• Defining roads and detention ponds into the proposed surface.

• Adjusting elevations from finished floor levels (FFL) shown on the site plan to formation level required for the bulk earthworks estimate.

• Creating reports that not only show total cut\fill but also more detailed breakdowns in different regions and cross section diagrams.

Working with major UK house builders, Kubla has designed a work-flow that makes this process manageable and at the same time produces accurate TIN prism volume analysis.

In this presentation, using Kubla Cubed 2021, we will walk step-by-step through a large house building project. Starting with defining the Existing TIN surface, we will finish by producing cut\fill reports with separate break-downs for the different areas on site (plots, gardens roads etc.)

This talk will focus on Kubla Cubed 2021 and the unique features that can be used to resolve challenges. We will use a CAD work-flow, however most of the concepts still apply to those using PDF site plans.

• We will demonstrate one of the most powerful features of Kubla Cubed – the ability to complete calculations in a cascade. This feature is particularly useful for separating different phases of construction: topsoil strips, demolition, bulk earthworks etc.

• Another feature we will look at is the ability to create a TIN surface by merging a number of separate elements together. Using this technique, we will build the proposed surface; combining gardens, garages, building pads and roads separately. As each layer overrides the next, seamless joins are created without the need for snapping.

• After this, we will use the Z offset feature to adjust finished floor levels (FFL) to formation level.

• With the project data entry complete, we will finish by looking at the reports that can be produced from your cut and fill project and the powerful export options available.