Ground Screw Testing, Site Surveys, Supply & Installation in London & the UK 

Pecasa providing complete ground screw foundation services 

Pecasa is proud to provide end-to-end ground screw testing, site survey, supply and installation of kilns in commercial, residential and modular construction across London and the UK. 

We have incorporated and centralised everything from site assessment, testing, foundation planning, ground screw supply to professional installation & installation records in our expanded ground screw service. It gives builders, architects, structural engineers and contractors a reference contact point every step of the way during the foundation process for homeowners to touch base with. 

Pecasa can assist in projects from site investigation to installed ground screw foundation as they have the skills and equipment available, they are ready with professional gear and experienced crew. 

Our Ground Screw Testing & Installation Services. 

The scope of services that Pecasa can offer is extensive, including: 

• Ground screw site surveys 
• Compression load testing 
• Tensile testing 
• Pull-out testing 
• Proof load testing 
• Test screw installation 
• Installation torque monitoring 
• Recorded test data 
• Ground screw supply 
• Professional ground screw installation 
• Foundation layout coordination 
• Structural engineer coordination 
• Support with Building Control requirements 
• Screw footing foundations for Steel Insulated Panel buildings 
• Foundations for garden rooms and garden offices 
• Modular foundations and annexes 
• Standalone testing provider for other contractors and installers 
• Which enables Pecasa with both the basic stages of the process: 
• GROUND SCREW TESTING + GROUND SCREW INSTALLATION 
• Professional Ground Screw Testing Equipment 

To facilitate controlled site testing, Pecasa also has a range of professional RADIX ground screw testing equipment. 

Between the sites, ground conditions can be significantly different. If the screw can produce a preliminary test results at real project site, then it can shed light over the performance of tube screws on existing soil. 

Controlled testing provides a solution to this by applying loads to a test screw and monitoring its response while data is recorded, rather than assuming the ground conditions it may see. This information can then be given to the project structural engineer for review if necessary. 

Ground Screw Compression Testing 

Ground screws are engineered to safely transmit structural loads into the earth. What is Compression Testing? Compression testing evaluates the response of a ground screw under a controlled static axial load in compression. 

Pecasa also performs compression tests in areas indicated by the project engineer. Test results can yield valuable project-related information regarding the behaviour of the proposed foundation system. 

This may be particularly useful in cases where the structure needs to satisfy the engineer on how much uplift force or weight the ground screw must meet at least under the design loads expected. 

Tensile and Pull-Out Testing 

Ground screws may also need to be added in order to resist an uplift or tensile (pull down) force 

Where appropriate, Pecasa can perform tensile pull-out testing by applying an upward load to test the installed screw. 

This is of specific relevance to structures exposed to wind uplift or other forces that may be acting in tension on the foundation. 

The structural engineer responsible for the project and intended design conditions should always dictate testing requirements. 

Ground Screw Proof Load Testing 

Pecasa is able carry out any testing where a structural engineer has defined specific proof loads or for which there are proof load testing criteria depending on the project schedule and materials testing capabilities. 

Customer can provide structural engineers drawings, loadings and testing specification prior to visiting site Pecasa can then assess the requirements and build a testing strategy accordingly. 

Installation Torque Monitoring 

The torque experienced during a ground screw installation can yield useful insight into the resistance to which it may be subject. 

During installation (or as required after installation), Pecasa can track and log relevant data related to the ground screws being installed. With the proper testing in place, the installation records along with it will tell you a greater story of how the foundation has been installed. 

With this information, project professionals can use tools to analyze the overall structure of the completed foundation system. 

Why Testing is Essential for Ground Screws 

Every construction site is different. However, ground conditions can differ widely even from one property to the next door neighbour. 

Potential ground conditions may include: 

• Clay 
• Sand 
• Gravel 
• Made ground 
• Filled ground 
• Compacted material 
• Soft ground 
• Mixed soil conditions 
• Existing foundations 
• Underground obstructions 

Prepared performance data can clarify how the proposed foundation will perform under controlled loading conditions since ground screw performance is affected by surrounding ground. 

This brings us to the topic of conducting tests when requested by either the structural engineer or through a project specification along with assessing the foundation for any additional requirements. 

Working with Structural Engineers 

Pecasa operates in concert with structural engineers, architects, contractors and other professionals involved on a project. 

If engineering requirements are already in place at a project: customers can offer: 

• Structural drawings 
• Ground screw layouts 
• Ground screw specifications 
• Compression design loads 
• Tensile or uplift loads 
• Required proof loads 
• Testing requirements 
• Site information 

Pecasa will then arrange the correct testing and installation service according to the needs of the works. 

Ground Screws and Building Control 

The structural engineer and Building Control may have to obtain suitable information regarding the intended foundation system for applications needing Building Regulations approval. 

Pecasa on-ground screw foundation learnt how to survey, test, supply, install and record foundations work which helps you create synergy at this stage of construction. 

Where appropriate testing has been identified, the corresponding test and installation details can be documented and provided to the relevant project professionals for consideration. 

The final design of the foundation structure and structural certification is still to be determined by the project’s approved structural engineer, subject to any applicable requirements. 

Contractor Verified Independent Ground Screw Testing 

Testing services provided by Pecasa are not limited to projects where Pecasa both supplies and installs the foundation. 

In addition, we can work by testing ground screws independently for: 

• Ground screw installers 
• Builders 
• Garden room companies 
• SIP building companies 
• Modular building manufacturers 
• Architects 
• Structural engineers 
• Property developers 
• Main contractors 
• Commercial construction companies 

If you already have a ground screw installation crew on your sites, but need stand-alone or additional testing performed, Pecasa is able to evaluate the project specifications and conduct tests where the intended system and site conditions permit. 

All in One Ground Screw Supply and Install 

Pecasa can deliver the whole process for customers who need a comprehensive solution ideal base. 

SITE SURVEY → TESTING → ENGINEERING REQUIREMENTS → GROUND SCREW SUPPLY → INSTALLATION→TESTING & RECORDS. 

Having one business organize these phases makes it easier for the client, installer, engineer and other construction experts to communicate effectively. 

Pecasa can also integrate the coordination of the ground screw foundation with the structure which will be above it. 

Ground Screws for SIP || Modular Buildings 

Ground screw foundations are also appropriate for a varying range of modular and lightweight structures, subject to the site conditions and engineering assessment. 

Pecasa can help you in ground screw foundation for : 

• SIP buildings 
• Garden rooms 
• Garden offices 
• Annexes 
• Modular buildings 
• Timber-frame structures 
• Commercial modular buildings 
• Outdoor buildings 
• Decking structures 

At Pecasa, we have extensive experience with SIP construction as well as engineered buildings that take what is going on at the foundation into consideration with respect to the structure built on top of it. 

A More Conversational Alternative to Traditional Land acknowledgements 

For the right project, ground screws are a direct alternative to concrete foundations. 

They can minimize the excavation and concrete that may be needed for a particular project, as well as permitting the installation of foundations with less impact on the surrounding area. 

Ground screws can allow you to build without waiting for large concrete foundations to harden, and this is what makes them appealing on many of today’s timber-frame, SIPs, garden room and modular builds. 

Nevertheless, a ground screw might not be right for your job site and structural loads; subsoil conditions & engineering requirements can influence its appropriateness. 

Why Choose Us as Your Ground Screw Installer 

Pecasa has more than just experience installing foundations. 

Acting as ground screw foundations, SIP construction and non-standard builds means we understand how everything needs to physically interact — the foundation with what goes above it. 

With expanded ground screw testing and installation, Pecasa can offer a more comprehensive foundation service that includes: 

Survey. Test. Supply. Install. Build. 

Screw Testing & Installation in London & the UK 

Whether you’re a home owner looking to plan an outbuilding, a builder working on a modular infill project, or architect designing the latest SIP structure, structural engineer needing site testing or contractor seeking ground screw putting together assistance Pecasa can assist you. 

Ground Screw Foundation Service Our professional & friendly ground screw service inspects the site and helps you install a foundation. 

Ground Screw Site Survey or Load Test 

Pecasa offers services for ground screw testing, compression, as well as pull-out test, tensile testing and proof load site surveys and all Ground Screws supply and installation requirements — get in touch with us now to share what you are working on! 

Please advise your site location, drawings and ground screw details for structural engineer testing where applicable to assist us in sizing your needs. 

The project is then reviewed by Pecasa as well as directed on which ground screw testing and installation service is needed. 

For many construction projects with good soil characteristics, ground screw foundations can be a more efficient choice than traditional methods. But proper foundation solutions can only be developed after an understanding of the ground conditions and confirming the performance requirements. 

Pecasa can also offer professional RADIX testing equipment, ground screw testing capabilities, site survey and supply and installation by assisting clients and construction professionals in the complete process. 

Pecasa covers everything from site survey and testing to ground screw installation and results recorded, providing a complete foundation service for projects in London and throughout the UK.