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Bids Are invited for Facility Management Services - Lumpsum Based - Repair Maintenance Works Of Primary Secondary School Building Of Aecs, Oscom Housing Colony; Repair Maintenance Works Of Primary Secondary School Building Of Aecs, Oscom Housing Colony As Per Sco.. - Structural Supporting System: Scaffolding And Support System For Repair Works (Mobilization, De-Mobilization & Scaffolding) , Chipping & Removal Of Spalled Concrete, Cracked, Porous/ Micro Concrete: Chipping Of Unsound/ Weak Concrete Material Of 50Mm Average Thickness With Manual Chisel And/ Or By Standard Power Driven Percussion Type Or Of Approved Make Including Tapering Of All Edges, Making Square Shoulders Of Cavities Including Cleaning The Exposed Concrete Surface And Reinforcement With Wire Brushes Etc. & Disposal Of Debris For All Lead & Lifts All Completed As Per Direction Of Engineer-In-Charge. , Rust Removal: Cleaning The Existing Rebar By Emery Paper, Supply, Provide & Application Of Two Coats On The Exposed Reinforcement With A Single Component Liquid That Removes Rust & Prevents Further Rusting Of Steel For Exposed Reinforcement Of Rcc Structural Members, Columns & Column - Wall Junction Etc., Rate Shall Include Supply Of Material, Manpower, Machinery, Tools, Surface Preparation, Application Etc., Completed As Per The Direction & Approved Product By Engineer-In-Charge. (Coverage 3-5 Kg/Sqm Approximately). Sika® Rustoff-100. , Anti-Corrosion Primer: Supply, Provide & Application Of Two Coats Of Anti-Corrosion Primer On The Exposed Steel Reinforcement For The Rcc Structural Members, Columns & Column-Wall Junction Etc., Rate Shall Include Supply Of Material, Manpower, Machinery, Tools, Surface Preparation, Application Etc., Completed As Per The Direction & Approved Product By Engineer-In-Charge. (Covers 0.25 Kg/Sqm Approximately). Sika Ferrogard-950In. , Epoxy Bond Coat: Supply, Provide & Applying Bonding Coat For The Rcc Structural Members, Columns & Column-Wall Junction Etc. On Chipping Portion, Rate Shall Include Supply Of Material, Manpower, Machinery, Tools, Surface Preparation, Application Etc., Completed As Per The Direction & Approved Product By Engineer-In-Charge. (Covers 0.3-0.5 Kg/Sqm). Sika@Hibond. , Polymer Modified Mortar: Supply, Provide & Applying A Pre-Batched One Component Polymer Modified Mortar (Pmm) For Repair Of Spalling And Damaged Unsound Concrete In Rcc Structural Members, Columns & Column-Wall Junction Etc., Rate Shall Include Supply Of Material, Manpower, Machinery, Tools, Surface Preparation, Application, Curing Etc., Completed As Per The Direction & Approved Product By Engineer-In-Charge. Sika Top 125 Hs. , Pmm Grouting: Supply And Successful Application Depends On Very Careful Preparation Of Surface. The Area Should Be Made Free From Oil, Grease, Dust And All Loose And Unsound Materials. Then Cracks Are Cut Open Into A V Groove About 100Mm Deep By Mechanical Or Manual Method. Loose Materials Are Removed By Compressed Air. Take 300-360 G Water For 1.0 Kg Powder In Clean Container, Pour The Powder Into The Container In Stirring Condition And Mix For 2-3 Minutes Until It Becomes A Smooth Paste Consistency. Apply This Paste Into The Clean Groove With Suitable Trowel And Press It Properly & Finish The Surface As Per Requirement. Workability Of Mixed System Is Approx 25-30 Minutes At 30-35 Degree Celcius. Correct Water Powder Ratio Is Important For Optimum Performance. After 24 Hrs If Slight Depression/Sag Is Observed On The Applied Surface Apply A Touch Up As Per The Above Procedure. Scope Of Work Shall Be Including Supply Of Injection Materials, Application, Manpower, Machinery, Tools, Consumables Etc. Complete. As Per The Direction Of Engineer-In-Charge. , Chipping Removal Of Screed Layer: Chipping Of Unsound/Weak Concrete Material Of 50 Mm Average Thickness With Manual Chisel And/ Or By Standard Power Driven Percussion Type Or Of Approved Make Including Tapering Of All Edges, Making Square Shoulders Of Cavities Including Cleaning The Exposed Concrete Surface And Reinforcement With Wire Brushes Etc. And Disposal Of Debris For All Lead And Lifts All Complete As Per Direction Of Engineer-In-Charge. , Liquid Applied Roof Waterproofing Based On Modified Polyurethane Technology: Sikalastic-560 Is Applied In Combination With Sika Fab 1 Or Sika Reemat Premium -225. Apply First Coat Of Appr. 0.75 Kg/Sqm (For Non-Absorbing Substrates-1.00 Kg/Sqm (For Absorbing Substrates) Of Sikalastic-560 On A Length Of Approx. 1M. 1. Roll In The Sika Fab 1 Or Sika Reemat Premium-225 And Ensure That There Are No Bubbles Or Creases. Overlapping Of The Sika Fab 1 Minimum 5 Cm. 2. Apply Second Coat Of Approx. 0.25 Kg/Sqm-0.5Kg/Sqm Coat Right Into The Wet Fleece To Achive The Required Film Thickness. The Entire Application Shall Happen While Sikalastic-560 Is Still Liquid, Wet In Wet. 3. Repeat Step 1-3 Until The Roof Area Is Waterproofed. After The Two Coats Are Dry, Seal The Roof Area With One Or More Additional Coats Of Sikalastic-560 (= 0.5 Kg/Sqm Per Coat).
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