<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>Scaffold lorry to be parked in campus and scaffolding to be loaded to work area,</li>
	<li>Erect scaffolding to building perimeter with extended tower for access to high level gully.</li>
	<li>Clean out high level Hopper and flush through.</li>
	<li>Remove moss/&nbsp;vegetation and clean down brickwork.</li>
	<li>Strike tower on completion.</li>
	<li>Carefully remove and set aside the existing Mansard slates endeavouring to salvage as many slates as possible, dispose of broken and damaged slates.&nbsp;</li>
	<li>Remove the existing lead cover flashing, rake out the existing chase, dispose of debris.&nbsp;</li>
	<li>Supply and lay DuPont Tyvek Supro, a durable, water resistant membrane that is reinforced with a laminated polypropylene non-woven. This airtight, vapour-permeable membrane is extremely water resistant, and can be used for all supported and unsupported pitched roofs.</li>
	<li>Supply and fix new 25mm x 38mm tanalised timber battens at appropriate centres.</li>
	<li>Replace all salvaged slates using 30mm x 2.65mm slate nails and 19mm diameter by 2mm stem copper disc rivets. &nbsp;Provide new slates to match as required (see Provisional Sum) measured elsewhere.</li>
	<li>Supply and install new Code 4 lead coverflashing, installed in lengths not exceeding 1200mm, dress down and onto slates, secured with lead wedges into the chase then pointed using lead mastic, applying Patination Oil upon completion.</li>
	<li>To remove and dispose of the existing cast iron gutter, allowing to:- Supply and fix a new 150mm half round, cast iron gutter in 1.83m lengths, painted black, including for stop ends, outlets and downpipe, installing support brackets at 1m centres.&nbsp;</li>
	<li>On completion strike scaffolding,remove all debris and leave work area in clean tidy condition.</li>
</ul>
