<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>Supply and installation of 15 no duct access hatches to facilitate duct clean.</li>
	<li>Break open ductwork at intake and discharge of the extract fans.</li>
	<li>Clean interior of fans,attenuators and all duct.</li>
	<li>Replace flexible duct on all extract air valves,plenums and extract grilles-total of 42 locations.</li>
	<li>Remove ceiling tiles to allow works,protection and reinstate and clean areas when complete.</li>
	<li>Fit new filler to existing extract fan assembly and run to purge loose lint.</li>
	<li>On completion leave&nbsp;work area in clean and tidy condition.</li>
</ul>
