Preventive Civil Maintenance Of Resi And Non-Residential Buildings At 28 Scg Nsg Hyderabad During The Year 2020-21 , Preventive Civil Maint , Cleaning Of Under Ground Sump , Over Head R . C . C . Tank ( Independent Staging ) Including Disposal Of Silt And Rubbish , All As Per Direction Of Engineer-In-Charge . The Cleaning Shall Consist Following Operations: ( I ) Tank Shall Be Emptied Of Water By Pumping & Bottom Shall Be Cleaned Of Silt And Other Deposits . ( Ii ) Entire Surface Area Of The Sump Shall Then Scrubbed Thoroughly With Wire Brush Etc . And Pressure Washed With Water . ( Iii ) Chlorination Of Rcc Internal Surface By Liquid Chlorine . ( Iv ) The Treated Surface Shall Be Dried Using Air Jetting And All Loose Particles Shall Be Removal From The Surface . ( V ) Finally The Surface Shall Be Treated With Ultraviolet Radiation Etc . As Per Direction Of Engineer-In-Charge . , Cleaning Of Terrace / Loft Water Storage Tank ( Inside Surface Area ) Upto 2000 Litre Capacity At All Heights With Coconut Brushes , Duster Etc . , Removal Of Silt , Rubbish From The Tank And Cleaning The Tank With Fresh Water Disinfecting With Bleaching Powder @ 0 . 5Gm Per Litre Capacity Of Tank , Including Marking The Date Of Cleaning On The Side Of Tank Body With The Help Of Stencil And Paint And Disposing Of Malba , All Complete As Per Direction Of Engineer-In-Charge . ( The Old Date Already Written On Tank Should Be Removed With Paint Remover Or Black Paint And If Date Is Not Written With The Stencil Or Old Date Is Not Removed Deduction Will Be Made @ Rs . 0 . 10 Per Litre If During Cleaning Any Gi Fittings Or Ball Cock Is Damaged That Is To Be Repaired By Contractor At His Own Cost And Nothing Extra Will Be Paid On This Account ) , Disposal Of Moorum / Building Rubbish / Malba / Similar Unserviceable , Dismantled Or Waste Material By Mechanical Transport Including Loading , Transporting , Unloading To Approved Municipal Dumping Ground For Lead Upto 10 Km For All Lifts , Complete As Per Directions Of Engineer-In-Charge . , Renewing Glass Panes , With Putty And Nails Wherever Necessary Including Racking Out The Old Putty: Float Glass Panes Of Thickness 4 Mm , Extra For Providing Frosted Glass Panes 4 Mm Thick Instead Of Ordinary Float Glass Panes 4 Mm Thick In Doors , Windows And Clerestory Window Shutters . ( Area Of Opening For Glass Panes Excluding Portion Inside Rebate Shall Be Measured ) . ( Basic+Extra ) , Providing And Fixing 12 Mm Thick Frameless Toughened Glass Door Shutter Of Approved Brand And Manufacture , Including Providing And Fixing Top & Bottom Pivot & Spring Type Fixing Arrangement And Making Necessary Holes Etc . For Fixing Required Door Fittings , All Complete As Per Direction Of Engineer-In-Charge ( Door Handle , Lock And Stopper Etc . To Be Paid Separately ) . , Providing And Laying Ceramic Glazed Floor Tiles Of Size 300X300 Mm ( Thickness To Be Specified By The Manufacturer ) Of 1St Quality Conforming To Is : 15622 Of Approved Make In Colours Such As White , Ivory , Grey , Fume Red Brown , Laid On 20 Mm Thick Cement Mortar 1:4 ( 1 Cement : 4 Coarse Sand ) , Jointing With Grey Cement Slurry @ 3 . 3Kg / Sqm Including Pointing The Joints With White Cement And Matching Pigment Etc . , Complete . , Providing And Fixing Ist Quality Ceramic Glazed Wall Tiles Conforming To Is: 15622 ( Thickness To Be Specified By The Manufacturer ) , Of Approved Make , In All Colours , Shades Except Burgundy , Bottle Green , Black Of Any Size As Approved By Engineer-In-Charge , In Skirting , Risers Of Steps And Dados , Over 12 Mm Thick Bed Of Cement Mortar 1:3 ( 1 Cement : 3 Coarse Sand ) And Jointing With Grey Cement Slurry @ 3 . 3Kg Per Sqm , Including Pointing In White Cement Mixed With Pigment Of Matching Shade Complete . , Providing And Laying Vitrified Floor Tiles In Different Sizes ( Thickness To Be Specified By The Manufacturer ) With Water Absorption Less Than 0 . 08% And Conforming To Is: 15622 , Of Approved Make , In All Colours And Shades , Laid On 20Mm Thick Cement Mortar 1:4 ( 1 Cement : 4 Coarse Sand ) , Jointing With Grey Cement Slurry @ 3 . 3Kg / Sqm Including Grouting The Joints With White Cement And Matching Pigments Etc . , Complete . , Cleaning Of Chocked Sewer Line By Diesel Running Vehicle Mounting Hydraulic Operated High Pressure Suction Cum Jetting Sewer Cleaning Machine Fitted With Pump Having 4000 Litres Suction Capacity And 6000 Litres Water Jetting Tank Capacity Including Skilled Operator , Supervising Engineer Etc . For Cleaning And Partial Desilting Of Manholes And Dechocking Of Sewer Lines . Dechocking And Flushing Of Sewer Line From One Manhole To Another By High Pressure Jetting System Of 2200 Psi For Sewer Line From 150Mm Dia Upto 300Mm Dia For All Depth . , Removing Dry Or Oil Bound Distemper , Water Proofing Cement Paint And The Like By Scrapping , Sand Papering And Preparing The Surface Smooth Including Necessary Repairs To Scratches Etc . Complete . , Repair To Plaster Of Thickness 12Mm To 20 Mm In Patches Of Area 2 . 5 Sqm And Under , Including Cutting The Patch In Proper Shape , Raking Out Joints And Preparing Plastering The Wall Surface With White Cement Based Polymer Modified Self Curing Mortar , Including Disposal Of Rubbish , All Complete As Per The Direction Of Engineer-In- Charge . , Wall Painting With Acrylic Emulsion Paint , Having Voc ( Volatile Organic Compound ) Content Less Than 50 Grams / Litre , Of Approved Brand And Manufacture , Including Applying Additional Coats Wherever Required , To Achieve Even Shade And Colour . Two Coats , Finishing Walls With Textured Exterior Paint Of Required Shade : Old Work ( Two Or More Coats On Existing Cement Paint Surface Applied @ 3 . 28 Ltr / 10 Sqm . , Providing And Fixing Double Scaffolding System ( Cup Lock Type ) On The Exterior Side , Up To Seven Story Height Made With 40 Mm Dia M . S . Tube 1 . 5 M Centre To Centre , Horizontal & Vertical Tubes Joining With Cup & Lock System With M . S . Tubes , M . S . Tube Challies , M . S . Clamps And M . S . Staircase System In The Scaffolding For Working Platform Etc . And Maintaining It In A Serviceable Condition For The Required Duration As Approved And Removing It There After . The Scaffolding System Shall Be Stiffened With Bracings , Runners , Connection With The Building Etc Wherever Required For Inspection Of Work At Required Locations With Essential Safety Features For The Workmen Etc . Complete As Per Directions And Approval Of Engineer-In-Charge . The Elevational Area Of The Scaffolding Shall Be Measured For Payment Purpose . The Payment Will Be Made Once Irrespective Of Duration Of Scaffolding . , Grouting The Joints Of Flooring Tiles Having Joints Of 3 Mm Width , Using Epoxy Grout Mix Of 0 . 70 Kg Of Organic Coated Filler Of Desired Shade ( 0 . 10 Kg Of Hardener And 0 . 20 Kg Of Resin Per Kg ) , Including Filling / Grouting And Finishing Complete As Per Direction Of Engineer-In-Charge . Size Of Tile 600X600 Mm , Providing And Fixing 18 Mm Thick Gang Saw Cut , Mirror Polished , Premoulded And Prepolished , Machine Cut For Kitchen Platforms , Vanity Counters , Window Sills , Facias And Similar Locations Of Required Size , Approved Shade , Colour And Texture Laid Over 20 Mm Thick Base Cement Mortar 1:4 ( 1 Cement : 4 Coarse Sand ) , Joints Treated With White Cement , Mixed With Matching Pigment , Epoxy Touch Ups , Including Rubbing , Curing , Moulding And Polishing To Edges To Give High Gloss Finish Etc . Complete At All Levels . Granite Of Any Colour And Shade Area Of Slab Upto 0 . 50 Sqm , Providing Edge Moulding To 18 Mm Thick Marble Stone Counters , Vanities Etc . , Including Machine Polishing To Edge To Give High Gloss Finish Etc . Complete As Per Design Approved By Engineer-In-Charge . Granite Work , Stone Tile Work For Wall Lining Upto 10 M Height With Special Adhesive
