<ul><li>Supply &amp; erect&nbsp;access tower track side&nbsp;for&nbsp;</li><li>Remove existing 100&nbsp;mm x 100&nbsp;mm steel channel that runs along the platform perimeter on east &amp; west bound tunnel to allow installation of Firefly.</li><li>Supply &amp; install additional Unistrut and clamps&nbsp;as per variation to new drawing detail A (drawing number&nbsp;revision G)</li><li>Materials to be hand transferred&nbsp;from site compound to -5 platform</li></ul><p>Our total cost to carry out the above works in / out of normal working hours shall be</p>