Construction Of Equipment Foundation In Connection With The 2Nd Phase Of Renovation And Capacity Enhancement Of 110Kv Ais Substation Perumbavoor-1 Earth Work In Excavation By Mechanical Means ( Hydraulic Excavator ) / Manual Means In Foundation Trenches Or Drains ( Not Exceeding 1.5M In Width Or 10 Sqm On Plan ) , Including Dressing Of Sides And Ramming Of Bottoms, Lift Upto 1.5 M, Including Getting Out The Excavated Soil And Disposal Of Surplus Excavated Soil As Directed, Within A Lead Of 50M-All Kinds Of Soil. Dsr 18-2.8.1 2 Earth Work In Excavation By Mechanical Means ( Hydraulic Excavator ) / Manual Means In Foundation Trenches Or Drains ( Not Exceeding 1.5M In Width Or 10 Sqm On Plan ) , Including Dressing Of Sides And Ramming Of Bottoms, Lift Upto 3.0M, Including Getting Out The Excavated Soil And Disposal Of Surplus Excavated Soil As Directed, Within A Lead Of 50M-All Kinds Of Soil 3 Providing And Laying In Position Cement Concrete 1:4:8 Using Cement - 170Kg / M3, 40Mm Graded Stone ( 40 Mm-0.65M3 And 20 Mm-0.24M3 ) And M Sand ( Coarse ) For Levelling Course For The Bottom Of Foundation Trenches Including Cost Of All Materials, Ramming, Compacting, Curing Etc. Complete 4 Centering And Shuttering Including Strutting, Propping Etc. And Removal Of Form Work Foundations, Footings, Bases Of Columns, Etc. For Mass Concrete 5 Centering And Shuttering Including Strutting, Propping Etc. And Removal Of Formwork Walls ( Any Thickness ) Including For Cable Tench 6 Providing And Laying In Position Specified Grade Of Reinforced Cement Concrete, Excluding The Cost Of Centering, Shuttering, Finishing And Reinforcement - All Work Up To Plinth Level : Rcc 1:1.5:3 Using Cement - 400Kg / M3, 20Mm Graded Stone ( 20 Mm-0.57M3 And 10 Mm-0.28M3 ) - And M Sand ( Coarse ) For Column Footing, Column Upto Plinth Level 7 Filling Available Excavated Earth ( Excluding Rock ) In Trenches, Plinth, Sides Of Foundations Etc. In Layers Not Exceeding 20Cm In Depth, Consolidating Each Deposited Layer By Ramming And Watering, Lead Up To 50 M And Lift Upto 1.5 M. Dsr-2.25 8 Plastering In Cement Mortar 1:4 12 Mm Thick One Coat Floated Hard And Trowelled Smooth 9 Stub Setting For Yard Structures In Correct Alignment Using Template, Water Level Etc In Concrete Foundation Excluding Cost Of Excavation, Concreting And Back Filling But Including Grouting Anchoring Etc. And Removing Stub Setting Template After The Predetermined Setting Period Etc. Complete As Per Specifications And Directions Of Departmental Officers At Site 10 Setting Up Anchor Bolt In Correct Alignment Using Template Or Water Level Etc In Concrete Foundation Excluding Cost Of Excavation, Concreting And Back Filling But Including Grouting Anchoring Etc. And Removing Template After The Predetermined Setting Period Etc. Complete As Per Specifications And Directions Of Departmental Officers At Site 11 Cutting 32Mm Ms Rod In Required Length Etc Complete As Per The Direction Of The Departmental Officers. 12 Bending 32 Mm Ms Rod For Crossing Cable Trench / Foundations / Risers Etc. 13 Laying Of Earth Mat Of Required Size As Specified Using 40 / 32 / 25Mm Ms Rod Including Levelling Lowering And Placing In Trenches, Complete As Per The Direction Of Departmental Officers. 14 Drilling Holes And Driving Down Ms Ground Electrode From The Bottom Level Of Trench In All Classes Of Soil Including Rock Etc. Complete As Per The Directions Of Department Officers 15 Welding Of Overlapping Joints For Mat, Riser Lap Joints With 32 / 25Mm Ms Rod Placed In Trenches, Having 150Mm In Length 6Mm In Thick On Both Sides Of The Rod And Both Ends Of Overlapped Ms Rods With 6Mm Welding Thickness After Cleaning The Surfaces Neatly. Charges Includes Cost Of Low Hydrogen Dc Electrode ( No. E7018 ) , Hire Charges Of Dc Arc Welding Set And Tools And Plants Required, Current Charges Including Labour Charges For Holding Ms Rod In Position And Applying Two Coats Of Anti Corrosive Paints At The Welded Joints Etc. Complete As Per The Directions Of Department Officers. 16 Welding The Nodal Points ( Cross Joints ) In The Trenches At Two Sides To A Thickness Of 6Mm After Cleaning The Surface Neatly. Charges Includes Cost Of Low Hydrogen Dc Electrodes ( No. E7018 ) , Hire Charges Of Dc Welding Set And Tools And Plants Required, Current Charges, Labour Charges For Holding Ms Rod In Position And Applying Two Coats Of Anti Corrosive Paints At The Welded Joints Etc. Complete As Per The Directions Of Departmental Officers. 17 Welding The Ground Electrode With The Main Electrode , After Cleaning The Surface Neatly. Charges Includes Cost Of Low Hydrogen Content Dc Electrodes ( No. E7018 ) , Hire Charges Of Dc Arc Welding Set, Tools And Plants, Current Charges, Labour Charges For Holding Ms Rod In Position And Applying Two Coats Of Anti Corrosive Paints At The Welded Joints Etc. Complete As Per The Directions Of Departmental Officers. 18 Forming The Surface For The Yard And Sectioning Upto 150 Mm 19 Steel Reinforcement For R.C.C. Work Including Straightening, Cutting, Bending, Placing In Position And Binding All Complete Upto Plinth Level :Thermo-Mechanically Treated Bars ( Includes Cost Of Tmt Bars ) Of Grade Fe 500D Or More 20 Fixing Departmentally Supplied 90Lbs Rail At Top Of The Transformer Plinth To Lines And Levels Including All Charges For Conveying, Leveling, Cutting To Required Length And Pacing It Over Base Plate, Track And Welded Using Spacer And Fixing Lip Angle Etc. Complete As Per Specification And Directions Of Departmental Officers At Site
