Check your eligibility criteria for tender Providing And Fixing G.I. Pipes Complete With G.I Fittings Including Trenching And Refilling Etc. External Work50 Mm Dia Nominal Bore, Providing And Fixing Gun Metal Gate Valve With C.I. Wheel Of Approved Quality Screwed End :40 Mm Nominal Bore, Earth Work In Excavation By Mechanical Means Hydraulic Excavator /Manual Means In Foundation Trenches Or Drains Not Exceeding 1.5 M In Width Or 10 Sqm On Plan, Including Dressing Of Sides And Ramming Of Bottoms, Lift Up To 1.5 M, Including Getting Out The Excavated Soil And Disposal Of Surplus Excavated Soil As Directed, Within A Lead Of 50 M.All Kinds Of Soil.