Windows, doors and related items Tenders , Doors Tenders , Door blanks Tenders , Iron or steel tanks Tenders , Elevators and conveyors Tenders , Pneumatic elevators or conveyors Tenders , Conveyors Tenders , Bucket-type, continuous-action elevators or conveyors Tenders , Belt-type continuous-action elevators or conveyors Tenders , Armoured-faced conveyors (AFCS) for mining Tenders , Lifting, handling, loading or unloading machinery Tenders , Parts of lifting and handling equipment Tenders , Ventilation equipment Tenders , Water-purifying apparatus Tenders , Weighing machinery and scales Tenders , Machinery for mining, quarrying and construction Tenders , Civil engineering machinery Tenders , Closed-circuit surveillance system(CCTV) Tenders , Works for complete or part construction and civil engineering work Tenders , Building construction work Tenders , construction work for covered market Tenders , construction work for cold-storage installations Tenders , construction work for agricultural buildings Tenders , construction work for mountain-rescue building Tenders , construction work for drainage,sewerage,highways, roads, airfields and railways Tenders , Construction work for highways, roads Tenders , Road construction works Tenders , construction work for ring road Tenders , construction work for secondary road Tenders , construction work for trunk road Tenders , construction work for road junction Tenders , construction work for t-junction Tenders , construction work for paths and other metalled surfaces Tenders , construction work for access road Tenders , construction work for slip road Tenders , Foundation work for roads Tenders , Flatwork for zoo Tenders , Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry Tenders , Installation of doors and windows and related components Tenders , Repair, maintenance and associated services related to roads and other equipment Tenders , Solid Waste management Services Tenders