1 Repair Of Rcc Chipping & Removing Damaged Concrete Layer, De-Bonded Concrete, Cracked Portion, Loose Concrete Etc., To A Depth Of About 20Mm Behind The Existing Corroded / Damaged Reinforcing Bars In Rcc Roof Slab Using Chisel & Hammer / Concrete Breaker Machine In Low Vibration Mode, Cutting The Perimeter Of The Damaged Area To A Minimum Depth Of 10 Mm Using Appropriate Cutter, Removing All Damaged / Loose Particles, Loose Plasters, Surface Preparation Of Concrete Using Wire Brush / Scrapper And Finally Using Water Washing To Completely Remove Dust, Debris, Unwanted Particles Etc., Complete Including Disposing The Debris At Designated Locations Inside Company Premises Within A Distance Of 300M., For Details Refer Annexure-V; Si.No.1 2 2 Repair Of Rcc Anchoring Of New Re-Bars In The Rcc Columns, Beams & Slab Wherever Required By Using Pure Epoxy Resin Anchoring Mortar ( Master Flow 935 Of Basf Or Equivalent Fosroc / Sika / Hilti ) With Appropriate Diameter Of Drilling Of Holes Required For Proper Bonding Into The Concrete Etc., Complete. The Rate Shall Include Cost Of Epoxy Resin Anchoring Mortar, Labour Charges, Cost / Hire Charges Of Tools, Machineries & Other Working Implements Etc., To Carry Out The Complete Work. Ire Will Issue Re-Bar Required For The Work Free Of Cost. 8 Mm Dia Bar - Drilling Length Of 100-120Mm, For Details Refer Annexure-V; Si.No.2 3 3 Repair Of Rcc Anchoring Of New Re-Bars In The Rcc Columns, Beams & Slab Wherever Required By Using Pure Epoxy Resin Anchoring Mortar ( Master Flow 935 Of Basf Or Equivalent Fosroc / Sika / Hilti ) With Appropriate Diameter Of Drilling Of Holes Required For Proper Bonding Into The Concrete Etc., Complete. The Rate Shall Include Cost Of Epoxy Resin Anchoring Mortar, Labour Charges, Cost / Hire Charges Of Tools, Machineries & Other Working Implements Etc., To Carry Out The Complete Work. Ire Will Issue Re-Bar Required For The Work Free Of Cost. 10 Mm Dia Bar - Drilling Length Of 100-120Mm, For Details Refer Annexure-V; Si.No.3 4 4 Repair Of Rcc Supply & Application ( Re-Plastering ) Of Dual Shrinkage Compensated Fiber Reinforced Thixotropic Repair Mortar ( Of Minimum Compressive Strength 40N / Mm2 In 28 Days, Masteremaco Of Basf Make Or Equivalent Fosroc / Sika Make ) In Rcc Ceiling To A Thickness Of 20-30Mm To Proper Lines And Levels Including Removing The Rust Particles All Around The Existing Re-Bar In The Exposed Portion Using Wire Brush / Emery Paper And Rust Cleaner / Remover ( Fosroc / Basf / Sika Make ) And Coating One Coat Of Epoxy Zinc Rich Primer ( Fosroc / Basf / Sika Make ) All-Round The Existing Re-Bar & New-Rebar ( If Added In Case The Loss Of Re-Bar Dia Is More Than 10% Of The Original Size ) . , For Details Refer Annexure-V; Si.No.4 5 5 Repair Of Rcc Subsequent Layer Of 10-20Mm Thick Re-Plastering Using The Same Mortar ( In Item 4 Above ) . Before The Additional Layer, The Substrate Shall Be Primed With A Slurry Brush Coat ( 2 Parts Fiber Reinforced Powder And 1 Part Water ) / As Per Manufacturer Recommendation, Including One Coat Of Curing Compound.The Rate Shall Include Cost Fibre Reinforced Mortar, Rust Remover, Zinc Rich Primer, Acrylic Resin Based Curing Compound Etc., Labour Charges For Mixing & Application, Cost / Hire Charges Of Tools, Machineries & Other Working Implements, Lead & Lift Of Materials, Transportation Etc., To Carry Out The Complete Work., For Details Refer Annexure-V; Si.No.5 6 6 Repair Of Rcc Providing, Fixing & Dismantling After Use, Scaffoldings Made Out Of 32 / 40 Mm Nb-Ms Pipes, Clamps / H-Frame Type Scaffolding Arrangement With Working Platform Using Wooden Planks / Ms Plates ( Of 1.0 M Width ?Min. ) To Carry Out Repair Work Of Rcc Slab / Beams / Columns For The Required Duration At Different Locations As Directed By The Engineer-In-Charge From Time To Time. The Scaffolding Arrangement Shall Have Handrails Up To 1.0 M Height And Be Stiffened With Bracing, Runners, Connection With Existing Rcc Columns / Beams / Masonry Structure Etc., In A Safe Manner. The Rate Shall Include Labour Charges For Erection & Dismantling, Loading & Unloading Charges, Transportation & Hire Charges Of Required Materials Etc., To Carry Out The Complete Work. Up To 6M Level ( From Floor, Inside The Building ) , For Details Refer Annexure-V; Si.No.6 7 7 Repair Of Rcc Cutting Of Ms Tray ( Cable / Hdpe Lines ) , Supports Etc., Wherever Required During The Progress Repair Work Using Gas Cutting / Angle Grinder And Fixing The Same In Position After Completion Plastering Work By Welding Or Suitable Anchor Bolts To The Existing Nearby Structure. The Rate Shall Include Cost Labour, Gas Cutting Charges, Cost / Hire Charges Of Tools, Machineries & Other Working Implements, Lead & Lift Of Materials Etc., To Carry Out The Complete Work. Irel Will Issue Structural Steel Required For The Work Free Of Cost., For Details Refer Annexure-V; Si.No.7
