<p><strong>OPTIONAL EXTRAS</strong></p><p><strong>Flush &amp; Clean all floors.&nbsp;</strong></p><p>Isolate FCU&#39;s&nbsp;to all floors.</p><p>Remove 4 Port Control Valves and clean / flush - Re-install</p><p>Flush Main Pipework&nbsp;on all floors,&nbsp;Flush Risers and AHU Circuit</p><p>Refill Circuits and complete rough proportional balance</p><p>Dose system with cleaning agent Allowance for Glycol</p><p>Provisional sum for Pipe Freezing on each floor if the original valves don&rsquo;t hold - &pound;2,650.00+VAT</p><p>&nbsp;</p><p><strong>Our total cost to carry out the above works out of hours shall be&nbsp;- &pound;61,350.00+VAT</strong></p>