<ul><li>Operatives to apply protective sheeting to work routes and working areas.</li><li>At the time of the survey it was noted that there were flexi hoses being used for final connections to sinks, wash hand basins, toilets etc. It is well documented that some flexible braided rubber hoses are unsuitable for use with wholesome water, because rough internal surfaces provide growth sites for bacteria and support the formation of biofilms. Recent research has shown that this material can be colonised by pseudomonas, legionella and other potentially harmful micro-organisms. We recommend that replacement with copper tube be seriously considered.</li><li>Site to be left clean and tidy.</li></ul>