Installation Of 08 (Eight) Nos. Of Steel Rack With 6 Loading Level At Nagarayan Building, Salt Lake City, Under S.L. Reclamation Sub-Division-I Of S.L.Reclamation Division, kolkata-West Bengal

Installation Of 08 ( Eight ) Nos. Of Steel Rack With 6 Loading Level At Nagarayan Building, Salt Lake City, Under S.L. Reclamation Sub-Division-I Of S.L.Reclamation Division , Bolt Less Racking System Size 1358W X2500h X431 Depth With 6 Loading Level Having Load Capacity Of 100Kg. Udl. Specification : All Basic Structural Components Of The System Such As Main Angles, Decking Panel, Base Plates, Straps & Front Strips Are Designed To A Code Of Practices As Recommended By Storage Equipment Manufacturers Association ( Sema ) .Raw Materials: Load Bearing Members & Accessories Are Made Up Of Relevant High Strength Steel & The Different Types Of Materials Used Are: Steel Type:Galvanized / Hr &Cr.Minimum Guaranteed Yield Strength: 255 Mpa & 210 Mpa Applicable Standards: Astm A 653M, Ss Grade 37 ( Class 1 ) , Is:277 D, Is: 5986 – Ish410s / Equivalent, ( Or ) Is:2062 - E 250 / Equivalent, Jis 3101: Ss 400, En 10025 : S235, Is:513 D, Din 17100 : St 42, Jis ; G3141. Component Usage Shelf Clip, G50 Base Plate, G50 Upright, Shelf Panel, , G50 Inner Cladding , G55 Upright, G55 Base Plate, Peripheral Claddings. In Addition To High Strength, The Raw Material Used For Structural Load Bearing Members Possesses Adequateductility To Ensure Toughness. The Material Also Has The Necessary Impact Strength For Cold Room Applications Up To - 30 Deg C. Fastener: Being Boltless Shelving, This System Uses No Bolts For Assembly Of Panels, Panel Stiffeners, Back Tie, Fixed Dividers, Stability Beam, And Divider Bar. And Very Minimal Fasteners Are Used In Allied Products Such As Stair Case, Cat Walk When Compared To Other Similar Products. All These Fasteners Are Of Grade 8.8. Anchor Bolts Are Of Grade 5.8. All Fasteners Are With Galvanized Finish To Suit Industrial Atmosphere. Surface Finish: Galvanized Components: Galvanizing Protects Steel From Corrosion By Providing A Thick, Tough Metallic Zinc Envelope, Which Completely Covers The Steel Surface And Seals It From The Corrosive Action Of Its Environment. The Galvanized Coating Provides Outstanding Abrasion Resistance. Where There Is Damage Or Minor Discontinuity In The Sealing Coat Of Zinc, Protection Of The Steel Is Maintained By The Cathodic Action Of The Surrounding Galvanized Coating. And Minimum Gsm Will Be 120.Powder-Coated Components: For Long Life And Protection From Corrosion, All Powder Coated Components Are Given A Thorough Anti-Rust Treatment. The Dry Film Thickness ( Dft ) After Powder Coating Would Be Average 35 Microns. All Powder Coated Components Are Subjected To An Elaborate 4 Step, Six Zone Anti- Corrosion Treatment, Viz. De-Greasing As Per Is 6005:1970, Rinsing, Phospating As Per Is 3618:1966 And Ro Water Rinsing. Furthermore, The Testing Of Paint For Various Physical And Chemical Properties Is Done As Per Astm Standard. Assembly & Installation: In This System, Unit Assembly Which Comprises Upright, Panel & Bracing Are Without Bolts. Then Base Plate Is Bolted To Every Upright. Uprights Are Grouted On Floor Using Expansion Bolts. No Welding Will Be Carried Out At Site. Components Specification: G-50 Upright : Upright Is Roll-Formed Construction Made Up Of Single Piece Having Slots At 25Mm Pitch. It Enables The Warehouse Manager To Utilize The Rack Optimally To Suit The Changing Sku Sizes. Uprights Are Bolted To Base Plates That Transfer The Load To Ground. The Manufacturing Process Of Punching And Forming Is In One Flow And A Synchronized Operation, Thereby Providing Dimensional Accuracy And Contourniformity Consistently. Upright Type: Upright G50, Profile Width:50 Mm Profile Depth:37 Mm, No Of Pieces: Single Panel Adjustability: 25 Mm, Material Quality Min Ys=210 Mpa, Mfg. Process Roll Forming, Finish: Powder Coated Colour: Light Grey. Bracing G-50 Bracing Type Is Battened Type. Bracing Is A Formed Single Piece Section Which Connects Two Vertical Uprights & Makes A Frame. Bracings Are The Key Members In Maintaining The System Stability. These Are Hooked Into G50 Upright & Two Plastic Rivet Pins Used For Fastening. Section: Flat With Edge Hem Bend And Middle Rib, Mfg. Process: Press Brake Forming Connectivity: Hooking & Pin Assembly. No Of Fasteners:2 Nos. Of M6x10 Plastic Rivet Pin, Surface Finish: Galvanized. Base Plate G 50: Base Plates Are Used To Transfer The Upright Load Into Ground & Also Act As A Connecting Member Between Ground & Upright. They Are Bolted Into G50 Upright By Using M5x10 Bolt &Anchored To Ground Using M8x51 Anchor Bolt. Width: 64Mm, Depth: 60Mmconnectivity: Grouting, No Of Anchor Bolt: 1 No Of M8x51, Fastener Type: Coach Bolt No Of Fasteners To Connect Upright: 1 No Of M6x15 , Fastener Type: Hex. Bolt & Nut Mfg. Process: Press Forming Finish: Galvanized. Shelf Panel 1S : Boltless Shelf Panel Has The Latent Capacity To Increase The Load Carrying Capacity Without Changing The Size Or Thickness. Stiffener Is Inserted Into The Panel, So That The Capacity Of Panel Will Considerably Increase. No Additional Fasteners Are Used To Assemble The Stiffener. They Are Fixed Into The Emboss Provided In The Shelf Panel. Shelf Panel Width :1300 Mm. Shelf Panel Depth:400 Mm. No Of Stiffener / Shelf Panel:1, Stiffener Position: Mid Of Shelf Panel ( Ref. Photo ) , Fasteners: No, Surface Finish: Galvanized ( Both Shelf Panel & Stiffener ) Shelf Stiffener: When The Load Per Level Is Higher Than The Capacity Of Panel, Then There Is An Option Of Providing Stiffener Instead Of Going To The Next Thickness. Hence Stiffeners Are Playing Vital Role In Maintaining The Cost Of The Total System. It Is A Roll-Formed Section With 4 Bends. Based On The Load Requirement, One Or Two Stiffeners Will Be Provided Per Panel. Type Of Profile: Lipped ‘C’ Channel, Profile Section: 50 X 31 X 12Mm, Mfg. Process: Roll Forming, No Of Bend: 4 Connectivity: Insertion: Surface Finish : Galvanized. Shelf Clips: Shelf Panels Are Mounted Using This Shelf Clips. These Are Replacing The Fasteners To Mount Panels With Upright. And While Changing The Levels Of Panels, These Clips Can Be Placed Into The Upright Without Any Additional Tools. Profile Section: 70 X 17 X 12Mm, Mfg. Process: Blanking & Punching, No Of Bend:2, , Connectivity: Insertion, Surface Finish :Galvanized. Back Tie – G50: Back Ties Are The Critical Members In Ensuring Stability. Back Tie Rod Cleat ( Rh ) Is Inserted Into G50 Upright & Then Turn Buckle Is Hooked To It. Then Back Tie Rod Is Hooked To Turn Buckle & Back Tie Rod Cleat ( Lh ) . Usage: Stability, Dia. Of Tie Rod: 5Mmsize Of Turn Buckle: 90Mm, Connectivity – Tie Rod Cleat: Hooking :Fasteners ‘1’ No Of Plastic Rivet Pin / Cleat: Mfg. Process – Tie Rod Bending Surface Finish:

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Name of Work: Installation of 08 (eight) nos. of steel rack with 6 loading level at Nagarayan building, Salt Lake City, under S.L. Reclamation Sub-Division-I of S.L.Reclamation Division

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2	Bolt Less racking System Size 1358W x2500H x431 depth with 6 loading level having load Capacity of 100Kg. UDL. Specification : All basic structural components of the system such as main angles, decking panel, base plates, straps & front strips are designed to a code of practices as recommended by storage equipment manufacturers association (SEMA).Raw Materials: Load bearing members & accessories are made up of relevant high strength steel & the different types of materials used are: Steel Type:galvanized/ HR &CR.Minimum guaranteed yield strength: 255 Mpa & 210 Mpa Applicable standards: ASTM A 653M,SS GRADE 37 (CLASS 1),IS:277 D,IS: 5986 – ISH410S / Equivalent,(or) IS:2062 - E 250/ Equivalent, JIS 3101: SS 400,EN 10025 : S235,IS:513 D,DIN 17100 : St 42,JIS ; G3141. Component Usage Shelf Clip, G50 base Plate,G50 Upright, Shelf Panel, ,G50 inner cladding ,G55 Upright, G55 base plate, Peripheral Claddings. In addition to high strength, the raw material used for structural load bearing members possesses adequateductility to ensure toughness. The material also has the necessary impact strength for cold room applications up to - 30 deg C. Fastener: Being boltless shelving, this system uses NO bolts for assembly of panels, panel stiffeners, back tie, fixed dividers, stability beam, and divider bar. And very minimal fasteners are used in allied products such as stair case, cat walk when compared to other similar products. All these fasteners are of grade 8.8. Anchor bolts are of grade 5.8. All fasteners are with galvanized finish to suit industrial atmosphere. Surface Finish: Galvanized components: Galvanizing protects steel from corrosion by providing a thick, tough metallic zinc envelope, which completely covers the steel surface and seals it from the corrosive action of its environment. The galvanized coating provides outstanding abrasion resistance. Where there is damage or minor discontinuity in the sealing coat of zinc, protection of the steel is maintained by the cathodic action of the surrounding galvanized coating. And Minimum GSM will be 120.Powder-coated components: For long life and protection from corrosion, All Powder coated components are given a thorough anti-rust treatment. The dry film thickness (DFT) after powder coating would be average 35 microns. All powder coated components are subjected to an elaborate 4 step, six zone anti- corrosion treatment, viz. De-greasing as per IS 6005:1970, rinsing, phospating as per IS 3618:1966 and RO water rinsing. Furthermore, the testing of paint for various physical and chemical properties is done as per ASTM Standard. Assembly & Installation: In this system, unit assembly which comprises upright, panel & bracing are without bolts. Then base plate is bolted to every upright. Uprights are grouted on floor using expansion bolts. No welding will be carried out at site. Components Specification: G-50 Upright : Upright is roll-formed construction made up of single piece having slots at 25mm pitch. It enables the warehouse manager to utilize the rack optimally to suit the changing SKU sizes. Uprights are bolted to base plates that transfer the load to ground. The manufacturing process of punching and forming is in one flow and a synchronized operation, thereby providing dimensional accuracy and contourniformity consistently. Upright type: Upright G50,Profile width:50 mm Profile depth:37 mm, No of pieces: Single Panel adjustability: 25 mm, Material quality Min Ys=210 Mpa, Mfg. process Roll forming, Finish: Powder coated Colour: Light Grey. Bracing G-50 Bracing type is battened type. Bracing is a formed single piece section which connects two vertical uprights & makes a frame. Bracings are the key members in maintaining the system stability. These are hooked into G50 upright & two plastic rivet pins used for fastening. Section: Flat with edge hem bend and middle rib, Mfg. process: Press brake forming Connectivity: Hooking & Pin assembly. No of fasteners:2 nos. of M6x10 plastic rivet pin, Surface finish: Galvanized. Base Plate G 50: Base plates are used to transfer the upright load into ground & also act as a connecting member between ground & upright. They are bolted into G50 upright by using M5x10 bolt &anchored to ground using M8x51 anchor bolt. Width: 64mm,Depth: 60mmConnectivity: Grouting, No of anchor bolt: 1 no of M8x51,Fastener type: Coach bolt No of fasteners to connect upright: 1 no of M6x15 ,Fastener type: Hex. Bolt & Nut Mfg. process: Press forming Finish: Galvanized. Shelf Panel 1S : Boltless shelf panel has the latent capacity to increase the load carrying capacity without changing the size or thickness. Stiffener is inserted into the panel, so that the capacity of panel will considerably increase. No additional fasteners are used to assemble the stiffener. They are fixed into the emboss provided in the shelf panel. Shelf panel width :1300 mm. Shelf panel depth:400 mm. No of Stiffener / Shelf Panel:1,Stiffener position: Mid of shelf panel (Ref. photo),Fasteners: No, Surface finish: Galvanized (Both shelf panel & Stiffener) Shelf Stiffener: When the load per level is higher than the capacity of panel, then there is an option of providing stiffener instead of going to the next thickness. Hence stiffeners are playing vital role in maintaining the cost of the total system. It is a roll-formed section with 4 bends. Based on the load requirement, one or two stiffeners will be provided per panel. Type of profile: Lipped ‘C’ channel, Profile section: 50 x 31 x 12mm,Mfg. process: Roll forming, No of bend: 4 Connectivity: Insertion: Surface finish : Galvanized. Shelf Clips: Shelf panels are mounted using this shelf clips. These are replacing the fasteners to mount panels with upright. And while changing the levels of panels, these clips can be placed into the upright without any additional tools. Profile section: 70 x 17 x 12mm,Mfg. process: Blanking & Punching, No of bend:2,,Connectivity: Insertion, Surface finish :Galvanized. Back Tie – G50: Back ties are the critical members in ensuring stability. Back tie rod cleat (RH) is inserted into G50 upright & then turn buckle is hooked to it. Then back tie rod is hooked to turn buckle & back tie rod cleat (LH). Usage: Stability, Dia. of tie rod: 5mmSize of turn buckle: 90mm,Connectivity – tie rod cleat: Hooking :Fasteners ‘1’ no of plastic rivet pin / cleat: Mfg. process – tie rod Bending Surface finish: