Tender For Item No. 1:-Cleaning The Upstream Surface Of Non Overflow Section/Overflow Section, Including Grinding The Surface By Grinder Machine With Diamond Wheel, Removing Existing Loose Particles, Joint Cleaning, Honey Combing Area Etc. By Using Grinder, Wire Brush ,Breaker Machine, Water Jet (Using Other Mechanical /Manual Means) Including All Necessary Arrangement For Scaf- Folding, Hanging Platform Etc. With All Leads And Lifts As Per Directions Of Engineer Incharge Etc. Complete. (Maximum Height Of Masonary Dam Is 60 M.) Item No. 2 :- Providing And Laying In Situ Self Compacting Cement Concrete Of Grade M-20 ( 20Msa ) With Temperature Reinforcement ,Admixtures, Superplasticizers And Curing Compound Etc. Including Compacting, Curing And Royalty Of Material With All Leads And Lifts Including Steel Sleep Fom Shuttering With Necessary Arrangement For Scaffolding Hang Ing Platform For Concreting As Per Directions Of Engineer Incharge Etc. Complete (Maximum Height Of Masonary Dam Is 60 M.) Item No. 3:- :- Cleaning The Downstream Masonry Sloping Surface Of Non Overflow Section, By Using Air Jet, Water Jet (Using Other Mechanical / Manual Means) And Cutting Weeds, Bushes, Applying Antiweeds And Removing Loose Material Racking The Joints With Wire Brush, Breaker Machine Etc . Including All Necessary Arrangement For Scaffolding, Hanging Platform Etc. With All Leads And Lifts Asper Directions Of Engineer Incharge Etc. Complete. Item No. 4 :- Prov Iding And Applying Polypropelene Fibre Reinforced Wet Shoterete ( Pfrs) 100 Mm Thick In Layers Including Polypropelene Fibres, Silica, Flyash, And Other Admixtures, Scaffolding, Neccessary Machinery, Labours, Lighting, Drainage With Providing And Fixing Wire Mesh Of Size 100 Mm X 100 Mm X 4 Mm, Having 4Mm Dia (8 Gauge) With 1 2Mm Dia Anchor Bar Spaced At Im C/C Drilled In Concrete For Depth 300Mm & Embedded With Cement Grout/Slurry On Upstream Surface Of Dam Having One Layer Of Average 50Mm Thick Filler Shotcrete For Providing A Roughly Even Surface With Fixing Wire Mesh Of 100Mm X 100Mm X 4Mm And After That Second Layer Of Even 50Mm Thick Shotcrete Surface As Directed Including Spraying Cement Slurry For Wearing Coat Of 2 Mm Thick With Admixtures And All Other Ancillary Operations Etc Complete With All Leads And Lifts Item No 5-Driling 52/57 Mm Dia Grout Holes By Percussion Drilling Through Masonary, Concrete, Rock Etc In Stages As Directed Induding Redrilling And C Leaning And Flushing The Drilled Hole, Convyance Of All Material And Equipments For Other Ancillary Operations Etc. With All Leads And Lifts As Per Dırections Of Engineer Incharge Etc Complete Dam Top To Ig Top And Ig Bottom To Fg Top Item No. 6 :-Drilling 51 To 75 Mm Dia Holes With Light Weight Hydraulic Diamond(Core Drilling) Percussion Drilling Machines Mounted On Continuous Support Systems Anchored Firmly In Dam Face With Anchor Fasteners Or With Drifters Mounted On Hydrau- Lic Or Pneumatic Operated Feed Masts For Maximum Depth Up To 30 M Perpendicular To The Downstream Slopping Face Of Dam With All Necessary Arrangements For Primary Grouting And Secondary Grouting And Tertiary Grouting At 6M C/C With All Leads And Lifts As Per Directions Of Engineer Incharge Etc Complete Item No. 7:-Drilling 75Mm Dia Hole In Masonry And Rock By Core Drilling From Foundation Gallery Floors Etc. At Required Depth Including Flushing The Hole Including Conveying All Machinery Equipment And Necessary Dewatering Etc. Complete (Curtain Drilling) Item No. 8- Redrilling 75Mm Dia Hole In Masonry And Rack By Rotary Drilling From Foundation Gallery Floors Ete At Required Depth Including Flushing The Hole Including Conveying All Machinery E Quipment And Necessary Dewatering Ete Complete Item No. 9:- Providing And Injecting Cement Grout For Required Proportion In The Drilled Holes At Required Pressure Including Supply Ing, Conveying Cement, Water Proofing Compound, Plasticisers, Fly Ash, Silica Fume Ete. With Packer System And Convey- Ance Of All Material And Equipments For Other Ancillary Operations Etc Complete Item No. 10- Providing And Applying Abrassion Resistant, Impermeable, Non Toxic, High Strength, Non Shrink, Anti Washout, Fast Setting Polymer Based Cementitious Under Water Repair Mortar, Basffosroc/ Equivalent For Under Water Masonry/ Concrete Joint Filling & Flush Pointing By Racking The Existing Masonry/Concrete Joints (Manual / Mechanical Means) To Depth Not Less Than 50Mm Including Removing Existing Embedded Ms Bar, Racking Out The Masonry/Eoncrete Joints To Required Depth Using Underwater Power Tools, Cleaning With Under Water Pressure Water Jet And Wire Brush For Removing Of Algae & Fungi, And Filling Of Fast Setting Polymer Based Cementitious Repair Mortar And Finishing, Complete As Per Specification Includıng Cost Of All Materials, Machinery , Labour, Under Water Div Ing, Underwater Equipments, Scaffolding, Hire Charges Of Cranes, Insurance Charges, Transportation Cha Rges, Loading And Unloadıng Charges With All Leads And Lifts And Any Other Incidental Charges And As Per Directions Of Engineer In Charge. Item No. 11:-Material Rate Ncluding Transportation Up To Dam Site With All Leads And Lifts Etc Complete 1 Fly Ash 2 Silica Fume 3. Admixture (Bonding Agent) 4. Plasticiser/Super Plasticiser 5. Accelerator
