<ul><li>Operatives to apply protective sheeting to work routes and working areas.</li><li><p>This will include a visit to site by a BSRIA engineer who will inspect the systems pipe non-destructively with a UT probe. This will give an indication of the residual thickness of the pipework in the system. Normally in one day on site up to 20 points are tested.</p><p>&nbsp;</p></li></ul>