Supply Of Grating Supply Of Grating For Numaligarh Refinery Expansion Project , Grating Supplying, Fabricating, Galvanizing And Transporting To Owners Store/Storage Yard, Electroforged Grating (Serrated) Conforming To Specification Tp-1Zzza-Cv-Spe-0024 & Standard No Tp-1Zzza-Cv-Sdd-0003 In Pipe Racks, Structures, Walkways, Platforms, Stair Landing, Drains, Catch Basins Etc. Including Cutting To Required Size, Shape, Making Holes, Notches, Openings Of Required Size, Nosing, Straightening If Required, Making The Edges Smooth, Removing The Burrs, Fabricating Clamps, Fabricating Latches And Bolts, Preparation And Submission Of Fabrication Drawings And Getting Reviewed From Owner/Epcm Consultant Along With Supply Of All Necessary Prints & Mto Reports Etc. All Complete As Specified And Directed. Hot Dip Galvanization Shall Be As Specified, Complete With All Tools, Equipment And Labour, For All Depths And Heights As Per Drawings And As Directed By Engineer-In-Charge. Inspection And Checking Shall Be Deemed Considered. Floor Grating Shall Be Electro Forged From Mild Steel Grade E250a Is:2062 And Shall Be Minimum 25Mm Thk. Maximum Size Of Voids Shall Be Limited To 30X100 Mm. Floor Grating Shall Be Hot Dip Galvanized In Accordance With Is:2629 And Tested As Per Is:2633 And Is: 6745. Quantity Of Zinc Coating Shall Be Min 120 Microns (900 Gm/Sqm) And As Per Specifications. Supply Of All Materials In Contractors Scope. Measurement As Per Tp-1Zzza-Cv-Spe-0024. , Square/Rectangular Gratings , Circular/Curved Gratings (Equipment Platform) , Stair Treads Supplying, Fabricating, Galvanizing And Transporting To Owners Store/ Storage Yard, 25 Mm Thk. Electro Forged Hot Dip Galvanized Ms Self-Colored Stair Tread (Serrated) With 6 Mm Thick Chequered Plate Nosing And 2 Nos. Of 75 X 6 Carrier Plate (Minimum Galvanized Coating Of 900 Gm/Sq.M) Of Approved Make And As Per Design /Drawing/Standards With Main Member Of Size 25X5 Mm Flat And Secondary Member Of 6 Mm Sq. Twisted Bar Respectively Having Pitch 35X100 Mm Conforming To Standards Is2062 Gr.A, Including Fabrication Drawing, Fixing Of Treads On Stairs Including Supply And Fixing With Clamps/ Bolts, Complete As Per Design Drawings, Standards , Specification And As Directed By Engineer-In -Charge. (Specification Tp-1Zzza-Cv-Spe-0024 & Standard No Tp-1Zzza-Cvsdd-0003) , Stair Tread Of 900X275 Mm , Stair Tread Of 750X275 Mm , Grating Clamps Supplying, Fabricating, Galvanizing And Transporting To Owners Store/ Storage Yard, Hot Dip Galvanized Ms Self-Colored Grating Clamps Fabricated With 3 Mm Thick Plate,Bolt, Nut, Washer (Minimum Galvanized Coating Of 900 Gm/Sq.M) Of Approved Make And As Per Design /Drawing/Standards, Complete As Per Design Drawings, Standards , Specification And As Directed By Engineer-In -Charge. (Specification Tp-1Zzza-Cv-Spe-0024 & Fastening System Type-A Sheet 22 Of 27 Standard No Tp-1Zzza-Cv-Sdd-0003) , Type A- Type 1 Clamps Assembly Set , Type A- Type 2 U - Clamps Assembly Set , Toe Plate 120Mmx 6Mm Supplying, Fabricating, Welding To Gratings (Before To Galvanizing And Transporting Grating) Of Size 120 X 6 Mm Flat And Conforming To Standards Is2062 Gr.A, Minimum Galvanized Coating Of 900 Gm/Sq.M, Complete As Per Design Drawings, Standards , Specification And As Directed By Engineer-In -Charge. (Specification Tp-1Zzza-Cv-Spe-0024 & Standard No Tp-1Zzza-Cv-Sdd- 0003) => Limited
