Invitation to tender using restricted procedure, deadline 04.11.2011, for provision to HMJV for contract C310 Crossrail Thames tunnel of composite gasket water sealing system to ISO 9001 quality standard consisting of elastomeric carrier and hydrophilic facing. Gaskets required for 3,410 precast concrete rings comprising seven segments apiece. Register at www.competefor.com, click on Supplier Activity Centre and then Opportunity Search. Further project information at www.crossrail.co.uk/business/. Doc ref GB003ZM32572. 44/11.