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Tender For Rectification Of External Ducts Of Rrs Bldg At Actrec; 1 Providing And Fixing Double Scaffolding System ( Cup Lock Type ) On The Exterior Side, Up To Height Of Buildingmade 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 Work & Comlpletion Of Entire Work Inclding Any Rectification Works Needed Where Required Complete As Directed And Instructed. 2 Removing Exisitng Acp Panel Work, Strucutral Glaxing Works & Cementitious Board Fixed In Stripes Fixedon Vertical As Well On Horizontal Anodized Aluminum Tubeswith Anchor Bolt, Fastners , Clip, Screws Etc. Complete Job. Rate Should Be Inclusive Of Taking Out All Anodized Aluminum Tube , Profile Etc. Rate To Include Taking Out Ofpowder Coated G.I. Sheets / Aluminum Angles For Metal Profiles At Corners, Jambs, Soffits Etc.Work To Include Stacking Of Good Materials, Disposal Of Unserviceableat Any Lead As Well Required Double Legged Independent Scaffolding For Entire Height Of Building Complete As Directed And Insturcted. 3 Providing & Fixing Factory Finished Fiber Reinforced Plastic / Polymer Casted To Required Length Of Minimum 200 X 6 Mm Thick With Approved Colour Pigment Added During The Manufacturing Process In "Z" Shape Louversshall Be Made To Fullfill The Purpose Of Cross Ventilation And Sucessfully Avoid Direct Entry Of Rain Water Spals Even During The High Winds. The Lovers Are To Fixed Neatly To Line And Level Mainting The Gaps Uniform Through Out The Building. These Louvers Are To Be Fixed On Existing Aluminum / Ms Section With Ss 304 Heavy Duty Screws Only. The Corner Edges Of Louvers And Juctions Are To Finished, Jointed Properly To Match The Existing Surface. The Entire Work To Be Executed Externally With Safety Precautions To Men And Material While Shifting And Working At All Heights. Safety Nets Shall Be Provided At The Location Of Work. The Agency Shall Make Sample With Approved Colour Before Supply Inb Bulk. Any Colour Vatiation During The Production, Or Observed After Installtion Shall Be Replaced With New Mathcing Colour Only With Out Assigning Any Reason, Complete Working At All Heights, Level, Including Wastage, Labour, Shiftnig Of Material Meachanically Or Manually As Directed And Instructed. 4 Steel Work In Welded ( Sail , Tata , Vizag & Using Electrodes Of Ador Make Only ) In Built Up Tubular Sections ( Round, Square Or Rectangular Hollow Tubes Etc. ) Trusses Etc., Including Cutting, Hoisting, Fixing In Position For All Heights And Levels And Applying A Priming Coat Of Approved Steel Primer, Including Welding And Bolted With Special Shaped Washers Etc. Complete With Hot Finished Welded Type Tubes 5 Providing, Fabricating, Hoisting And Erecting In Position Structral Steel Worksin Welded ( Sail , Tata , Vizag & Using Electrodes Of Ador Or Es4b Or Deh Secheronmake Only ) In Built Up Sections Comprising Of Trusses, Lattice Girders, Brackets, Columns, Bracing And Other Connected Steel Work With Necessary Joists, Channels, Angles L-Sections, Plates, Chequered Plates , Gusset Plates, Rivots, Chemical Anchor Fastners , Bolts, Nuts, Washers, Including Cutting, Welding, For All Heights And Levels In All Type Of Structural Steel With Applying A Priming Coat Of Approved Steel Primer Using Structural Steel Etc. As Required. 6 Designing, Fabricating, Testing, Installing And Fixing In Position Curtain Wall With Aluminium Composite Panel Cladding Over Aluminum Framing, With Open Grooves For Linear As Well As Curvilinear Portions Of The Building, For All Heights And All Levels Etc. Including: A ) Structural Analysis & Design And Preparation Of Shop Drawings For Pressure Equalisation Or Rain Screen Principle As Required, Proper Drainage Ofwater To Make It Watertight Including Checking Of All The Structural And Functional Design. B ) Providing, Fabricating And Supplying And Fixing Panels Of Aluminium Composite Panel Cladding In Pan Shape In Metalic Colour Of Approved Shades Made Out Of 4Mm Thick Aluminium Composite Panel Material Consisting Of 3Mm Thick Fr Grade Mineral Core Sandwiched Between Two Aluminium Sheets ( Each 0.5Mm Thick ) . The Aluminium Composite Panel Cladding Sheet Shall Be Coil Coated, With Kynar 500 Basedpvdf / Lumiflon Based Fluoropolymer Resin Coating Of Approved Colour And Shade On Face # 1 And Polymer ( Service ) Coating On Face # 2 As Specified Using Stainless Steel Screws, Nuts, Bolts, Washers, Cleats, Weather Silicone Sealant, Backer Rods Etc. C ) The Fastening Brackets Of Aluminium Alloy 6005 T5 / Ms With Hot Dip Galvanised With Serrations And Serrated Washers To Arrest The Wind Load Movement, Fasteners, Ss 316 Pins And Anchor Bolts Of Approved Make In Ss 316, Nylon Separators To Prevent Bi-Metallic Contacts All Complete Required To Perform As Per Specification And Drawing The Item Includes Cost Of Base Frame Work For Acp Cladding, All Material & Labour Component, The Cost Of All Mock Ups At Site, Cost Of All Samples Of The Individual Components For Testing In An Approved Laboratory, Field Tests On The Assembled Working Curtain Wall With Aluminium Composite Panel Cladding, Cleaning And Protection Of The Curtain Wall With Aluminium Composite Panel Cladding Till The Handing Over Of The Building For Occupation.The Contractor Shall Provide Curtain Wall With Aluminium Composite Panel Cladding, Having All The Performance Characteristics All Complete , As Per The Architectural Drawings, As Per Item Description, As Specified, As Per The Approved Shop Drawings And As Directed By The Engineer-In-Charge. However, For The Purpose Of Payment, Only The Actual Area On The External Face Of The Curtain Wall With Aluminum Composite Panel Cladding ( Including Width Of Groove ) Shall Be Measured In Sqm. Up To Two Decimal Places. 7 Taking Outanodized Extruded Modular Aluminium Fixed Glass Panel Windowhaving Frame Made Out Extruded Tubular Section Of Size 63 X 38 Mm X 2.00 Mm Thickness ( Wt.1.054 Kg / Rmt ) Mechanically Assembled At Corners With Glazing, Beading Of Angle 25 X 25 X 1.60Mm Thick ( Wt.0.21 Kg / Rmt ) Of Approved Make , Shade& Weightincluding6mm Thk Single Vision Toughened Glass Fixed With Rubber Gasket And Wooden Encasementetc.Complete. This Glass Is Fixed With Taper Clips With Epdm Beading. All Gaps Between Civil Work And Aluminium Framesis Sealed And Made Watertight By Applying Silicone Sealant And With Good Quality Hardware And Accessories Like Gi Screws, Virgin Pvc , Gaskets, Silicon Sealant On The Periphery.Work To Include Stacking Of Good Materials, Disposal Of Unserviceableat Any Lead As Well Required Double Legged Independent Scaffolding For Entire Height Or As Required To Approval Of The Pm. 8 Design, Fabricate, Package, Deliver ( To Job Site ) And Install Curtain Wall Systems Comprising Specified Glass.The Glass Panels Will Be Mechanically Supported To The Aluminium Main Frame With Pressure Plate & Cover Cap On Outer Surface And Fixed Onto Mullions And Transomsincluding Functional Design Of The Aluminum Sections For Fixing Glazing Panels Of Various Thicknesses, Aluminium Cleats, Sleeves And Splice Plates Etc. Gaskets, Screws, Toggles, Nuts, Bolts, Clamps Etc., Structural And Weather Silicone Sealants, Flashings, Fire Stop ( Barrier ) -Cum-Smoke Seals, Microwave Cured Epdm Gaskets For Water Tightness, Pressure Equalisation & Drainage And Protection Against Fire Hazard With All Approved Standard Accessories And Hardware’S Of Approved Make.All Aluminium Extruded Profiles Shall Be Confirming To Alloy 6063 T6. Allaluminium Profiles Shall Be Anodized With A Minimum Thickness Of 25 Microns And Shade Shall Be As Per Architect"S Approval. The Curtain Wall Shall Be Sealed To The Host Structure And Not Adjoining Materials With Approved Water Proofing Membrane And Insulation To Prevent Sound Transmission. The System And Glass Shall Be Designed To Withstand 1.5 Times The Design Wind Pressureat All Levels, Elevation & Heights. The Anchoring / Bracing Of The Curtain Wall System To The Rcc Slab / Beams / Columns Shall Be Done With Non-Corrosive Galvanized Brackets Of Approved Design ( 80-90 Micron Thickness ) And Including Providing Teflon Shims Of Various Thickness To Adjust The Beam Level / Line Variations Fixed With Ss Dash Fasteners Hilti , Fisher Or Equivalent Of Min. 12Mm Dia. And Depth Of 50-80Mm In The Concrete And To Withstand The Dead Load Of The Curtain Walls As Well As Stresses Due To Wind Pressure Etc. Expansion Joint Gap For Mullion Shall Be Minimum 15 To 20Mm Filled With Expansion Joint Sealant From Dow Corning Of Dc 790 . All Screws, Washers Used Shall Be Only Stainless Steel Of 304 Grade And Through Bolts , Nuts & Anchors Used Shall Be Only Stainless Steel Of 316 Grade.The Contractor Must Design The System As Per The Prevalent Site Conditions And Building Elevation Profiles. No Extra Claims Shall Be Entertained At Any Stage For Aluminium Profile Wall Thickness And Size Dimensions. Material Supporting Arrangements Shown In The Drawing Are Indicative And Contractor Shall Make Their Own Shop Drawings And Suggest Method Of Fixing With Type Of Anchors They Propose To Use Where They Are To Be Fixed.Work To Include Required Double Legged Independent Scaffolding For Entire Height Or As Required As Per Site Conditions Complete As Directed And Instructed. With 6Mm Thk Single Vision Toughened Glass With Solar Heat Gain Factor Should Be Less Than 0.25 Of Approved Make, Should Match Existing Strucutral Galzing Work Complete As Directed And Instructed. 9 20 Mm Cement Plaster In Two Coats Under Layer 12 Mm Thick Cement Plaster 1:5 ( 1 Cement: 5 Coarse Sand ) And A Top Layer 8 Mm Thick Readymade Plaster Of Approved Make Finished Rough With Sponge Including Double Scaffolding, Surface Preparation, Line & Level, Curing Etc. Providing & Laying Approved 22 Swg G.I.Chicken Mesh 250Mm Wide At All Joints & On All Conduits For Electrical & Plumbing Works Etc At All Level & Height Etc. Complete 10 Extra For Providing And Mixing Water Proofing Material In Cement Plaster Work In Proportion Recommended By The Manufacturers. 11 Finishing Walls With Textured Exterior Paint Of Required Shade On New Work ( Two Or More Coats Applied @ 3.28 Ltr / 10 Sqm ) Over And Including Priming Coat Of Exterior Primer Applied @ 2.20Kg / 10 Sqm 12 Removing & Refixing Of Exsitng 16Mm Thick Multiwall Poly Carbonate Sheets Of Approved Colour Including All Fixing Arrangement At All Level & Height And Refixing The Same With All Required Materials Such As Screwing With Self Tapping Screws Complying With As-3566-Class Iii With Epdm Washer And Fixed On Every Crest Etc. Matching Exisitng Polycarbonate Sheet Roofing Profile, Water Tightness By Applying Silicon Sealant In Gaps Ensuring 100% Water Tightness, For Roofing Over Canopy , Ramp At All Level & Heightetc. As Directed And Instucted With Erection & Dismantling Pof Scafolding Complete As Directed And Instructed. The Rate Shall Include Installtion Of Flashing Panel At Wall & Roof Juction And Tested For Water Tightness At No Additional Cost. 13 Providing & Fixing 16Mm Thick Multi Wall Polycarbonate Sheet Of Min Weight Of 3250 Gms / Sq. Meter, Withextruded Uv Protected ( Co. Test Report Shall Be Sumbitted ) With Special Anti-Glare Protection To Prevent Glare And Sun Streaks, With Vertical Standing Seam At Both Sides Sun Streaks, With Vertical Standing Seam At Both Sides Of Panels, Weilding Or Gluing Of Up Stands Or Standing Panels Shall Have A Grip-Lock Double Tooth Locking Machinism To Ensure Maximum Uplift Capability. Panel Ends Shall Be Closed With Additional End Cap Of Aluminum U-Profile ( Anodized / Poweder Coated ) The Work Shall Be Fitted On Exisitng Ms Structure Perpendicular Ti Direction Of Sheet With Purline Spacing As Specified By Manufacturer Ofas Approved And Directed By Engineer In-Charge. Colour Of Sheet Will Be Opal Weight / Green / Brown Or Other Colured As Approvedthe Rate Shall Included Cost Of All Scaffolding Equipemnts, Hardware, Wastage Etc Working At All Levels And Heights.
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