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Topic: precision


  1. Land surveyor crouching beside a tripod with a total station in front of an earthmoving machine
    Topographic survey ·

    Longitudinal profiles and cross sections explained

    What longitudinal profiles and cross sections of the ground are for, how we measure them and what the architect receives to set levels, access routes and walls.

  2. Drone flying over a green field, with mountains in the background
    Mapping and surveying ·

    Drainage networks: why point density changes the result

    How the drainage network of a hillside is calculated from the terrain model, and what changes from 0.5 to 5 points per m², with an example in Xàbia (Jávea).

  3. Rooftops of the historic centre of Valencia with a stone bell tower in the foreground
    Mapping and surveying ·

    Why a 3D model: the digital twin of a historic façade

    Photogrammetry with a metric camera and classical land surveying to obtain the 3D model and the plan of a historic façade before designing its restoration.

  4. Aerial view of earthworks with an excavator loading a lorry
    Topographic survey ·

    Earthworks volume with drone and LiDAR: the calculation

    How excavated volume is calculated by subtracting two terrain models, with the case of an opencast site in the Vall d'Albaida surveyed with drone and LiDAR.

  5. Aerial view of a country house among plots of harvested cereal, pine woodland and dirt tracks
    Topographic survey ·

    Topographic plan for an architect: what it includes

    Buildings, pool, walls, steps, trees, services, inspection chambers and contour lines: what a topographic plan must show to design on a plot.

  6. Total station mounted on a tripod on open ground with trees in the background
    Topographic survey ·

    Topographic survey cost: what affects the price

    Size, precision, density of levels, access and deliverables: what changes the price of a topographic survey, with indicative price ranges by type of job.

  7. IBI property tax: when measuring your plot helps
    Cadastre ·

    IBI property tax: when measuring your plot helps

    Clotoides helps to correct cadastral errors that lead to an overcharge on your IBI (annual property tax) bill.

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