We are still carrying out essential works on assets with additional safety measures.

UKAS Accreditation Testing

Delivering confidence in certificates and conformity

Our UKAS Accreditation is the formal recognition that HTA is competent to perform specific processes, activities, or tasks in a reliable credible and accurate manner.


Detail of Accreditation

Materials / Products tested Type of test / Properties measured / Range of measurement Standard specifications / Equipment / Techniques used Location Code
Sampling of concrete by dust drilling Documented In-House Method No TP S/004 Site
Sampling of concrete by core drilling Documented In-House Method No TP S/005 Site
Depth of carbonation BS EN 14630: 2006 Site
Depth of  carbonation BRE Information Paper IP 6/81 Site
Location of reinforcement BS 1881:Part 204:1988 Site
Half-cell potential of uncoated reinforcing steel in concrete TRRL Applications Guide 9:1991 Site
Half-cell potential of uncoated reinforcing steel in concrete ASTM C876-15 Site
Sampling of tendon grout material Documented In-House Method No TP S/006 based on Dept of Transport advice note BA 50/93 Site

You can read full details of our UKAS Accreditation on the official UKAS Website.

About UKAS

“The United Kingdom Accreditation Service is the sole national accreditation body recognised by government to assess, against internationally agreed standards, organisations that provide certification, testing, inspection and calibration services.

Accreditation by UKAS demonstrates the competence, impartiality and performance capability of these evaluators.

UKAS is a non-profit-distributing private company, limited by guarantee. UKAS is independent of Government but is appointed as the national accreditation body by the Accreditation Regulations 2009 (SI No 3155/2009) and operates under a Memorandum of Understanding with the Government through the Secretary of State for Business, Innovation and Skills.”