<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>To replace existing extract fan with a new dual fan unit</li>
	<li>Ductwork modifications</li>
	<li>Auto changeover panel</li>
	<li>Inverter</li>
	<li>Modify supply AHU - Set duty fan speed to new and measured gross volume</li>
	<li>Add new extract grilles and ductwork in corridor ceiling - Provide access panels for access to new VCD&#39;s</li>
	<li>Re-balance&nbsp;ventilation system</li>
	<li>Test and Commission</li>
	<li>Access &amp; Hoist equipment</li>
	<li>Waste disposal</li>
	<li>Site to be left clean and tidy.</li>
</ul>

<p><strong>Prelims cost&nbsp;</strong></p>

<p>Works out of normal core working hours, access and hoist equipment and waste disposal.</p>

<p><strong>&pound;1,657.25</strong></p>

<p><strong>Modify existing ventilation system</strong></p>

<p><strong>&pound;24,434.60</strong></p>

<p>Our total cost to carry out the above works out of normal working hours shall be</p>
