A supervisor should check the installed anchor against the exact product specification and manufacturer's instructions, including the required tools and setting method. Confirm the work before the pipework, ductwork, cable containment or bracket it supports is loaded.
He outlines:
One of the most popular anchors purchased in the M&E industry, is the deformation-controlled anchor (commonly known as drop-ins). Unfortunately, the majority of them are installed incorrectly.
On-site anchor installation failure is commonly down to three issues
BS 8539:2012+A1:2021 states that anchors should be installed and supervised by competent individuals. BS 8539 defines competent as:
“Suitably trained and qualified by knowledge and practical experience, and provided with the necessary instructions, to enable the required task(s) to be carried out correctly”.
If the manufacturer provides a witness mark and the installation instructions call for it, check it using the manufacturer's method.