Construction Fixings

JCP, the specialist fixing division of Owlett-Jaton, has seen a continuous increase in the number of requests for product testing, which it says has been driven by main contractors wanting to remove guesswork and ensure safety and compliance. For instance, JCP was recently asked to carry out an on-site pull test on a JCP torque controlled heavy-duty hexagon bolt anchor.

The on-site pull test was carried out on a large six storey residential development in Wandsworth, London, UK. A hoist company had been contracted to install multiple hoists, which required certification to demonstrate the chosen fixing’s suitability and capability. The fixing was a JCP torque controlled heavy-duty hexagon bolt anchor.

These anchors are CE approved and ETA (Option 1) certified, substantiating their use in cracked and non-cracked concrete. Plus, they are also approved for use under seismic actions C1 and C2 and offer high tension and shear resistance. They also have resistance to fire exposure of 30 – 120 minutes and come with a fire classification of A1. In addition, a compression ring helps prevent turning and stop torque slippage, whilst a three part expansion sleeve allows for smaller spacings and edge distance with high loads.

Whilst most pull testing is performed during the build phase, JCP is now often becoming more involved at an earlier stage. As a wholesaler, JCP is a supplier to the distributor and merchant trade, but the technical support it provides has led the company to start becoming involved in the specification aspect of projects. Contractors are frequently required to provide proof of testing for fixings. It is an expensive and time-consuming practice, but one that is vital. Whether it is in-line with a building regulation requirement, or for peace of mind, JCP area sales managers are on hand to offer such testing.

A European company currently developing a new cutting-edge barrier system has also recently approached JCP to engage the company at the design stage. Working closely with its product development team, JCP has been heavily involved in the anchor calculations following development testing by the developer, ensuring the products specified meet the requirements of the new system.

In addition to on-site testing, JCP offers other resources to ensure the correct anchor is chosen and installed effectively. Its Anchor Calculation Program (ACP) is available to download from the JCP website and is designed to simplify specifying connections to floors, ceilings, and walls, and factors in loadings, spacing, and edge distances. To help installers, the website also hosts an installation video for the heavy-duty anchor range that demonstrates clearly how these fixings should be installed correctly.