<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>To isolate water and electrics to boilers.&nbsp;</li>
	<li>To drain the heating down.&nbsp;</li>
	<li>To supply &amp; install 15no AAV above ceiling, to also instal 15no isolation valves to allow each AAV to be changed in the future, so heating does not need to be drained down.&nbsp;</li>
	<li>Refill heating system.&nbsp;</li>
	<li>Test and inspect for correct working order.&nbsp;</li>
	<li>Site to be left clean and tidy.</li>
</ul>
