<ul><li>Operatives to apply protective sheeting to work routes and working areas as required.</li><li>Operatives to set up an exclusion zone within the work area&nbsp;utilising&nbsp;chapter 8 barriers</li><li>Operatives to erect and tag mobile access tower</li><li>Existing brackets are to be extended to accommodate&nbsp;PAVA&nbsp;speakers and control unit as per Cross&nbsp;rail&nbsp;drawing issued by Engie</li><li>Where brackets are found to be completely missing, operatives will install new unistrut&nbsp;trapeze bracket from the slab fixed with Hilti fixings as approved by Crossrail&nbsp;10% of which will be pull tested with certification&nbsp;</li><li>Site to be left clean and tidy.</li></ul>