<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>Install injection points to 22mm incoming mains in core 2 and 3 services duct. Test all hot and cold pipework feeding male and female toilets. Remove access panels in toilet area, check cisterns are filling and shutting off at ball valves, flush all toilets and run all basin taps. Test out hot water electric heaters, check hot water is reaching each tap in toilets areas. Test hot and cold supplies in vending areas. Check there are no sign of any leaks on pipework. Replace pressure relief valve on heatrae sadia multipoint 15 on 2nd floor as water discharging in tundish, check pressure on expansion vessels.</li>
	<li>On completion leave work area in clean and tidy condition.</li>
</ul>

<p><strong>Disinfection</strong></p>

<p>Disinfections will be carried out generally in accordance with the following standards. &bull; BS 8558-2015 Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. &bull; BS 8554-2015 Sampling and monitoring of hot and cold water services from buildings. &bull; ACOP L8 - Legionnaires&rsquo; disease: The control of legionella bacteria in water systems &bull; HSG274 Part 2 - The control of legionella bacteria in hot and cold water systems The water services will be offline to all except Hydra during the disinfection procedure, notices will be placed at each outlet stating, &ldquo;DISINFECTION IN PROGRESS &ndash; DO NOT USE&rdquo;. Samples will be obtained after completion of the disinfection. Those samples will be delivered to an independent UKAS accredited analyst. Samples will be tested for TVC&rsquo;s, E. Coli, Coliforms &amp; Legionella to prove the bacteriological quality of the water.</p>

<p>The sample locations will be nominated by Hydra and/or the client and agreed upon before samples are taken. Certification of completed works will be issued upon completion on the disinfection and updated when the sample results are received and issued again 1x Disinfection of Domestic Water Services 2x Post Disinfection TVC Samples (CWS) 2x Post Disinfection TVC Samples (HWS) 2x Post Disinfection Legionella Samples (CWS) 2x Post Disinfection Legionella Samples (HWS</p>

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