Bars and rods Tenders , Hot-rolled bars and rods Tenders , Lead bars, rods, profiles and wire Tenders , Zinc bars, rods, profiles and wire Tenders , Tin bars, rods, profiles and wire Tenders , Excavating work Tenders , construction work for structures Tenders , Roof works and other special trade construction works Tenders , Flashing and guttering work Tenders , Flashing work Tenders , Special trade construction works other than roof works Tenders , Foundation work Tenders , Concrete work Tenders , Concrete-coating services Tenders , Labour recruitment and provision of personnel services Tenders , Supply services of personnel Tenders , Cleaning services Tenders