<p><strong>Leak detection works</strong></p><p>The proposed leak detection system shall be an&nbsp;Aquilar&nbsp;Aquitron&nbsp;AT-SZA&nbsp;Single Zone Alarm unit (or equivalent) and shall be located within the counter units. The Alarm unit shall be positioned to ensure that access requirements are in line with the manufacturer&rsquo;s recommendations.<br />The Alarm unit shall be provided with&nbsp;TT1000&nbsp;water sensing cable which shall be extended throughout the kitchen counter units where a leak is possible i.e. where water or drainage services are present. The sensing cable shall be floor mounted, beneath any water and drainage service, using hold down clips. The required services to be monitored for each vending area are as follows</p><p>The Contractor shall be required to supply and install a new solenoid valve and associated bypass valves to the hot and cold water system in accordance with the drawings. The solenoid valves shall be installed on the&nbsp;pipework&nbsp;in a position that is easily accessible for maintenance purposes. The solenoid valves shall be Robert Pearson &frac34; &ldquo;&nbsp;230V/NOPEN/HP and associated bypass and valves&nbsp;Hattersley&nbsp;bronze globe valves or equivalent or approved size&nbsp;22mm. The solenoid valves shall operate at the indication on receipt of instruction to close on alarm activation of the new water leak detection system installed within the under sink cupboard. An additional fuse connection unit shall be installed to provide power to the new solenoid valve to the boosted cold water and hot water supply.</p><p>The Contractor shall commission new leak detection using a Mapping Tool, simulating a leak to ensure the panel is operating correctly.</p><p>The Contractor shall provide the Alarm unit complete with&nbsp;Aquitron&nbsp;AT-BU Battery Unit complete with battery for 72 hours operation.</p><p>The Contractor shall allow to connect into the existing Vending Area Socket Circuits. Where this has been undertaken as indicated on the drawings the Contractor shall install and test all cabling.</p><p>The Contractor shall provide new cabling between the power circuit and the position of the fuse connection unit for each leak detection system.</p><p>All cable shall be continuous throughout their length. No joints shall be accepted.</p><p>All cables shall be clearly identified and&nbsp;labelled&nbsp;at both ends of the cable route, stating the source of supply and the load served.</p><p>The Contractor shall allow for the installation of new cabling to serve the leak detection system to be run on&nbsp;50mm&nbsp;galvanised&nbsp;cable tray</p><p>19&nbsp;Throgmorton&nbsp;Avenue &ndash; 2nd Floor &ndash; Open Planned Office<br />Sensing cable to monitor hot and cold water and drainage services to the sink. Sensing cable to also monitor the water services behind the vending machines. Alarm unit to be positioned within the counter unit beneath the sink.</p><p><strong>Electrical works breakdown</strong></p><p>Labour&nbsp;- &pound;772.00+VAT&nbsp;</p><p>Materials - &pound;1,722.26+VAT</p><p>Access equipment - &pound;100.00+VAT</p><p><strong>Builders works breakdown</strong></p><p>Labour&nbsp;- &pound;290.00+VAT</p><p>Protection - &pound;50.00+VAT</p><p><strong>Plumbing works breakdown</strong></p><p>Labour&nbsp;- &pound;193.00+VAT (labour&nbsp;for 4 hours)</p><p>Materials - &pound;625.30+VAT</p><p><strong>2nd&nbsp;floor total costs are&nbsp;&pound;3,752.56</strong></p>