<ul><li>To carry out overhaul of existing flat room on site offices and facilities. (Roof area 300&nbsp;m2)</li><li>Scaffolding and handrail to be erected by others.</li><li>Supply &amp; fix tantalized timbers (increasing by 1&rdquo; every 2m over 10m x 30m runs to give a 5&rdquo; fall over 10m.)</li><li>Supply &amp; fix 6m tantalized timbers (4x2) at 400&nbsp;mm centres over 10m x 30m (allowing for roof extension to allow for new drip system to drop into 1 x continuous run of deep flow guttering over 30&nbsp;LM)</li><li>Fix Approx 115 sheets of &frac34; &ldquo; (8x4) OSB board or similar approved product.(Plyboard to be supplied by canary wharf contractors)</li><li>Loose lay 1x layer of perforated felt to prevent cracking,</li><li>Torch down 1x layer of charcoal mineral felt with a 5mm bead at all laps . (1 layer system with 10 year guarantee)</li><li>Install a 30&nbsp;lm front drip system into gutter and 55&nbsp;lm of surrounding drips as required including a 5mm bead at all laps.</li><li>Remove existing guttering and downpipe systems and dispose of in site skips and pack out between individual steel girders using 2x (6x2) tantalized timbers and then fix 1 continuous run of 6x2 over the top of the packers to allow for gutter fixing.</li><li>Install 30&nbsp;lm of Deep Flow half round Guttering including all fittings and 1 x downpipe at each end of the 30&nbsp;lm run (2 x total)</li><li>Remove all spoil and leave site clean and tidy.</li><li>Supply and&nbsp;fix tantalized timbers (increasing by 1&quot; every 2m over 10m x 30m runs to give a 5&quot; fall over 10m).</li><li>Supply and fix 6m tantalized timbers (4x2) at 400&nbsp;mm centres over 10m x 30m (allowing for roof extension to allow for new drip system to drop into 1 x continuous run of deep flow guttering over 30&nbsp;LM)&nbsp;</li><li>Fix Approx 115 sheets of 3/4&quot; (8x4) OSB board (8x4) OSB board or similar approved product<em>.</em></li><li>Loose lay 1x layer of perforated felt to prevent cracking. &nbsp;Torch down 1x layer of charcoal mineral felt with a 5mm bead at all laps. &nbsp;(1 layer system with 10 year guarantee).<em>&nbsp;</em></li><li>Install a 30&nbsp;lm front drip system into gutter and 55&nbsp;lm of surrounding drips as required including a 5mm bead at all laps.</li><li>Remove existing guttering and downpipe systems and dispose of in site skips and pack out between individual steel girders using 2x (6x2) tantalized timbers and then fix 1 continuous run of 6x2 over the top of the packers to allow for gutter fixing. &nbsp;</li><li>Install 30&nbsp;lm of deep flow half round guttering including all fittings and 1 x downpipe at each end of the 30&nbsp;lm run (2 x total).</li><li>Remove all spoil and leave site clean and tidy. &nbsp;</li><li>Site to be left clean and tidy.</li></ul><p>Our total cost to carry out the above works in / out of normal working hours shall be</p>