Our Surveying Services
Topographical surveys
Topographical surveying is a type of survey that involves measuring and mapping the natural and artificial features of the Earth’s surface. The main objective of topographical surveying is to create detailed, accurate representations of the terrain, including its physical features such as elevations, contours, rivers, roads, buildings, vegetation, and other key features. These surveys are commonly used for planning and designing projects such as construction, land development, infrastructure, and environmental studies.
Key aspects of topographical surveying include:
- Elevation and Contour Lines: Measuring changes in elevation across a site, which helps in creating contour maps. Contour lines represent areas of equal elevation, providing insights into the slope and terrain.
- Natural Features: Mapping the location of rivers, lakes, forests, and other natural elements that impact design and construction.
- Man-made Features: Surveying roads, buildings, utilities, fences, and other human-made structures that are part of the landscape.
- Coordinates and Measurements: Using tools such as GPS systems, total stations, and levelling instruments to collect precise coordinates and distances.
- Site Planning: It helps architects, engineers, and planners understand the landscape for better decision-making, including drainage, land use, and environmental impact.
Topographical surveys can be conducted on a variety of scales, from small residential plots to large-scale national surveys. The data gathered from these surveys is typically used to create maps, 2D or 3D models, and geographic information system (GIS) data to assist in design and planning.
Our team is up for every job, managing projects with the skill and experience our clients have come to expect.
Measured Building Surveys
A Measured Building Survey is a type of survey that involves the precise measurement and documentation of a building’s physical dimensions and features. It typically focuses on capturing the exact size, layout, and structural elements of a building or structure, including its interior and exterior features. These surveys are usually conducted to create accurate floor plans, elevations, sections, and other technical drawings that represent the building as it currently exists.
Key aspects of a Measured Building Survey include:
- Accurate Measurements: The primary goal is to measure the building’s dimensions, such as wall lengths, heights, door and window sizes, floor levels, and ceiling heights. The survey also includes details like thickness of walls, structural supports, and other critical elements.
- Detailed Drawings: The results of the survey are typically presented as CAD drawings, including floor plans, elevations, and cross-sections. These drawings can be used for renovation, restoration, or conversion projects.
- Existing Conditions: The survey captures the building’s existing conditions, providing a record of the structure as it stands. This is especially important for historic buildings or older properties where original plans may be unavailable or inaccurate.
- Surveying Techniques: Advanced surveying tools like HDS laser scanners, total stations, and photogrammetry may be used to obtain precise measurements. In some cases, hand measurements and traditional tools may also be employed, especially in smaller or more complex spaces.
- Purpose: Measured building surveys are often used for:
- Renovation or Restoration: When refurbishing or restoring an old building, detailed measurements of the existing structure are necessary to plan and design any changes accurately.
- Planning and Design: Architects and engineers use the survey data to develop new designs or modifications to the building.
- Documentation: For historic preservation, the survey serves as an important record of the building’s design and features for future reference.
- Construction Management: The survey can be used to ensure that any future construction or alterations are aligned with existing structures and conditions.
In summary, a Measured Building Survey provides a comprehensive, accurate representation of a building’s current form, helping professionals in architecture, engineering, and construction make informed decisions when working with existing structures.
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Setting Out
Setting out is a key process in construction and civil engineering where the design plans for a project are transferred onto the ground to guide the construction work. Essentially, it involves marking the positions, dimensions, and alignment of elements like foundations, walls, roads, and other structures, based on the architectural and engineering drawings. The goal is to ensure that the construction follows the correct positions, orientations, and elevations as per the design.
Key Aspects of Setting Out:
- Transferring Design Information: Setting out takes the details from technical drawings (plans, elevations, cross-sections) and translates them into physical markers on the construction site.
- Reference Points: The process relies heavily on control points or benchmarks that are established with precision. These reference points are used to ensure that all measurements on the site are consistent and accurate. These points are often tied to local or global coordinate systems using GPS or traditional methods such as total stations.
- Survey Equipment: Tools and instruments commonly used in setting out include:
- Total Station: A modern instrument that combines an electronic theodolite (for measuring angles) and an electronic distance measuring (EDM) device.
- Levels: To determine elevation or height differences on the site.
- GPS and Laser Scanning: For high-precision positioning.
- Marking the Site: Once measurements are taken, markers such as pegs, stakes, spray paint, or even laser-guided lines are placed on the site to indicate the positions of important construction features (e.g., building corners, edges of foundations, road alignments).
- Alignments and Levels: Setting out ensures that:
- The alignment of the building or infrastructure is correct (i.e., straight lines or curves as per design).
- The levels (height) are accurate for foundations, floors, and other elements, ensuring proper drainage, stability, and safety.
Common Applications of Setting Out:
- Foundations: Ensuring that the positions of building foundations align with the design.
- Roads and Highways: Marking the alignments and profiles for new roads or infrastructure.
- Landscaping: Transferring design elements such as paths, walls, or drainage systems onto the site.
- Building Layouts: Marking walls, doors, windows, columns, and other features of a building according to architectural plans.
In summary, setting out is a critical step in construction to ensure that the design is accurately represented and executed on the ground. It helps prevent errors in alignment and positioning, thereby ensuring the success and safety of the construction project.
With our offices based in the heart of the country in Stoneleigh, Cryfield Surveys Ltd are ideally placed to provide survey services throughout the UK.
Topographical surveys
Topographical surveying is a type of survey that involves measuring and mapping the natural and artificial features of the Earth’s surface
Measured Building Surveys
A Measured Building Survey is a type of survey that involves the precise measurement and documentation of a building’s physical dimensions and features.
Setting Out
Setting out is a key process in construction and civil engineering where the design plans for a project are transferred onto the ground to guide the construction work.
Professional Surveying Services
Cryfield Surveys Ltd are ideally placed to provide survey services throughout the UK.
