Repair Of Structure Damage Caused Due To Cyclone Amphan On 20 5 2020 At 29 Scg Nsg Kolkata , R O O F I N G:Providing And Fixing On Wall Face Unplasticised Rigid Pvc Rain Water Pipes Conforming To Is : 13592 Type A Including Jointing With Seal Ring Conforming To Is : 5382 Leaving 10 Mm Gap For Thermal Expansion . ( I ) Single Socketed Pipes 110 Mm Diameter , Providing And Fixing Precoated Galvanised Iron Profile Sheets ( Size , Shape And Pitch Of Corrugation As Approved By Engineer-In-Charge ) 0 . 50 Mm + 0 . 05 % , Total Coated Thickness With Zinc Coating 120 Gsm As Per Is: 277 In 240 Mpa Steel Grade , 5-7 Microns Epoxy Primer On Both Side Of The Sheet And Polyester Top Coat 15-18 Microns . Sheet Should Have Protective Guard Film Of 25 Microns Minimum To Avoid Scratches While Transportation And Should Be Supplied In Single Length Upto 12 Metre Or As Desired By Engineer-In-Charge . The Sheet Shall Be Fixed Using Self Drilling /Self Tapping Screws Of Size ( 5 . 5X 55Mm ) With Epdm Seal , Complete Upto Any Pitch In Horizontal/ Vertical Or Curved Surfaces Excluding The Cost Of Purlins , Rafters And Trusses And Including Cutting To Size And Shape Wherever Required . , Steel Work In Built Up Tubular ( Round , Square Or Rectangular Hollow Tubes Etc . ) Trusses Etc . Including Cutting , Hoisting , Fixing In Position And Applying A Priming Coat Of Approved Steel Primer , Including Welding And Bolted With Special Shaped Washers Etc . Complete . Hot Finished Seamless Type Tubes , Providing And Fixing 15 Mm Thick Densified Tegular Edged Eco Friendly Light Weight Calcium Silicate False Ceiling Tiles Of Approved Texture Spintone/Cosmos / Hexa Or Equivalent Of Size 595 X 595 Mm In True Horizontal Level Suspended On Inter Locking Metal Grid Of Hot Dipped Galvanised Steel Sections ( Galvanising @ 120 Grams Per Sqm Including Both Side ) Consisting Of Main T Runner Suitably Spaced At Joints To Get Required Length And Of Size 24X38mm Made From 0 . 33 Mm Thick ( Minimum ) Sheet , Spaced 1200Mm Centre To Centre , And Cross T Of Size 24X28mm Made Out Of 0 . 33Mm ( Minimum ) Sheet , 1200Mm Long Spaced Between Main T At 600Mm Centre To Centre To Form A Grid Of 1200X600mm And Secondary Cross T Of Length 600Mm And Size 24 X28mm Made Of 0 . 33Mm Thick ( Minimum ) Sheet To Be Inter Locked At Middle Of The 1200X 600Mm Panel To From Grid Of Size 600X600mm , Resting On Periphery Walls /Partitions On A Perimeter Wall Angle Pre- Coated Steel Of Size ( 24X24x3000 Mm Made Of 0 . 40 Mm Thick ( Minimum ) Sheet With The Help Of Rawl Plugs At 450Mm Centre To Centre With 25Mm Long Dry Wall Screws @ 230Mm Interval And Laying 15Mm Thick Densified Edges Calicum Silicate Ceiling Tiles Of Approved Texture ( Spintone / Cosmos/Hexa ) In The Grid Including , Cutting/ Making Opening For Services Like Diffusers , Grills , Light Fittings , Fixtures , Smoke Detectors Etc . , Whereever Required , Main T Runners To Be Suspended From Ceiling Using G . I . Slotted Cleats Of Size 25X35x1 . 6Mm Fixed To Ceiling With 12 . 5 Mm Dia And 50Mm Long Dash Fasteners , 4Mm G . I . Adjustable Rods With Galvanised Steel Level Clips Of Size 85 X 30 X 0 . 8 Mm , Spaced At 1200Mm Centre To Centre Along Main T , Bottom Exposed With 24Mm Of All T-Sections Shall Be Pre-Painted With Polyster Baked Paint , For All Heights , As Per Specifications , Drawings And As Directed By Engineer-In- Charge . , Brick Work With Common Burnt Clay F . P . S . ( Non Modular ) Bricks Of Class Designation 7 . 5 In Foundation And Plinth In:Cement Mortar 1:6 ( 1 Cement : 6 Coarse Sand ) , F I N I S H I N G Finishing Walls With Premium Acrylic Smooth Exterior Paint With Silicone Additives Of Required Shade New Work ( Two Or More Coats Applied @ 1 . 43 Ltr/ 10 Sqm . Over And Including Priming Coat Of Exterior Primer Applied @ 2 . 20 Kg/ 10 Sqm ) . , Aluminium Work Providing And Fixing Aluminium Work For Doors , Windows , Ventilators And Partitions With Extruded Built Up Standard Tubular Sections/ Appropriate Z Sections And Other Sections Of Approved Make Conforming To Is: 733 And Is: 1285 , Fixing With Dash Fasteners Of Required Dia And Size , Including Necessary Filling Up The Gaps At Junctions , I . E . At Top , Bottom And Sides With Required Epdm Rubber/ Neoprene Gasket Etc . Aluminium Sections Shall Be Smooth , Rust Free , Straight , Mitred And Jointed Mechanically Wherever Required Including Cleat Angle , Aluminium Snap Beading For Glazing / Paneling , C . P . Brass / Stainless Steel Screws , All Complete As Per Architectural Drawings And The Directions Of Engineer-In-Charge . ( Glazing , Paneling And Dash Fasteners To Be Paid For Separately ) : Powder Coated Aluminium ( Minimum Thickness Of Powder Coating 50 Micron ) , For Shutters Of Doors , Windows & Ventilators Including Providing And Fixing Hinges/ Pivots And Making Provision For Fixing Of Fittings Wherever Required Including The Cost Of Epdm Rubber / Neoprene Gasket Required ( Fittings Shall Be Paid For Separately ) . Powder Coated Aluminium ( Minimum Thickness Of Powder Coating 50 Micron ) , Providing And Fixing 12Mm Thick Pre-Laminated Particle Board Flat Pressed Three Layer Or Graded Wood Particle Board Conforming To Is: 12823 Grade L Type Ll , In Panelling Fixed In Aluminium Doors , Windows Shutters And Partition Frames With C . P . Brass / Stainless Steel Screws Etc . Complete As Per Architectural Drawings And Directions Of Engineer-In-Charge . Pre-Laminated Particle Board With Decorative Lamination On Both Sides . , Providing And Fixing Glazing In Aluminium Door , Window , Ventilator Shutters And Partitions Etc . With Epdm Rubber/ Neoprene Gasket Etc . Complete As Per The Architectural Drawings And The Directions Of Engineer-In-Charge . ( Cost Of Aluminium Snap Beading Shall Be Paid In Basic Item ) : With Float Glass Panes Of 5 . 50 Mm Thickness , 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 ) . Etc . Necessary For Fabrication Of Extruded Aluminium Frame Work . Nothing Extra Shall Be Paid On This Account ) . , Structural Glazing Aluminium Composite Panel Providing And Supplying Aluminium Extruded Tubular And Other Aluminium Sections As Per The Architectural Drawings And Approved Shop Drawings , The Aluminium Quality As Per Grade 6063 T5 Or T6 As Per Bs 1474 , Including Super Durable Powder Coating Of 60-80 Microns Conforming To Aama 2604 Of Required Colour And Shade As Approved By The Engineer-In-Charge . ( The Item Includes Cost Of Material Such As Cleats , Sleeves , , Providing , Assembling And Supplying Vision Glass Panels ( Igus ) Comprising Of Hermetically-Sealed 6-12-6 Mm Insulated Glass ( Double Glazed ) Vision Panel Units Of Size And Shape As Required And Specified , Comprising Of An Outer High Performance Heat Strengthened Float Glass 6Mm Thick , Of Approved Colour And Shade With Reflective Soft Coating On Surface # 2 Of Approved Colour And Shade , An Inner Heat Strengthned Clear Float Glass 6Mm Thick , Spacer Tube 12Mm Wide , Dessicants , Including Primary Seal And Secondary Seal ( Structural Silicone Sealant ) Etc . All Complete For The Required Performances , As Per The Architectural Drawings , As Per The Approved Shop Drawings , As Specified And As Directed By The Engineer-In-Charge . The Igus Shall Be Assembled In The Factory/ Workshop Of The Glass Processor . ( Payment For Fixing Of Igu Panels In The Curtain Glazing Is Included In Cost Of Item No . 1 ) For Payment , Only The Actual Area Of Glass On Face # 1 Of The Glass Panels ( Excludi
