This contract is for the supply and delivery of MBR panels, maintenance and cleaning of MBRs within Premises across Northern Ireland. This contract is split into 2 Lots. These being: — Lot 1 — supply and delivery of MBR panels. including the possible replacement of associated cassettes. — Lot 2 — maintenance and cleaning of MBRs which includes chemical cleans of the membranes, screening removal from RAS and physical cleans of the membranes. The supply of critical spares required for maintenance is also included in the scope. Economic Operators can apply for one or all Lots. Each Lot has an associated Pricing Schedule which must be completed in full. NI Water will not evaluate a Lot where a Pricing Schedule is incomplete.