West Bengal Electronics Industry Development Corporation Limited Tender

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. all floors Span up to 12 Mtr roof trusses

Drilling holes of requisite diameter in R.S. joists channels, tee, Plates etc. Dia.above 12mm and depth beyond 10 mm.

Holding down bolt with nut including 100 x 100 x 6 mm plate washer at bottom fitted complete and packing the hole with cement grout as directed. 20 mm dia bolt, 450 mm long

Suuply, fitting & fixing single skin, colour coated trapezoidal profile for wall cladding, roof shall be made of 0.45 mm BMT (base metal thickness), 0.5 mm TCT (total coated thickness excluding paint, G550 (min 550 yield strength), of Zincalume metallic coating (IS 15965) with high solar reflectance index (SRI) value for better coiling as per thermatech technology, 1000-1500 mm effective cover width with five major corrugation, 28 mm high rib spaced at 203 mm c/c with subtle square flunting in the pan and the end rib shall have anti capillary groove and return leg. The sheet shall be fastened with 40 micron zinc coated or 25 micron zinc-tin alloy coated, hex head, self-drilling screw as per IS 3566-2002 Class 3 fastener. The base steel shall be coated with Zinc- aluminium alloy Zincalume (AZ 150), i.e, 55% Al, 43.4% Zinc, 1.6% Si, minimum of 150g/sq cm coating total on both sides, pre painted with colorbond XRW (exterior roofing, walling) paint system of 35 micron super durable polyester paint (SDP) with stable inorganic pigment with no lead contents conforming IS15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheets at regular interval confirming genuity of the material complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work, laps not payable). Brand: TATA, colour: Blue, all floors

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. Upto 3rd floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety, all floors

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction., all floors Tor steel (TATA/SAIL/RINL)

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (all floor) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete. 110 mm dia

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary On steel or other metal surface : With other than hi-gloss of approved quality Two coats (with any shade except white)

Painting with ready mixed red lead paint of approved make and brand : 2 coats

Supplying profiles of required section made of Aluminium Alloy Extrusions conforming to IS: 732-1983 and IS: 1285- 1975; Annodized (with required film thickness and specified colour / natural) matt finished conforming to IS: 1868-1983 for fabrication of composit door, sliding & casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer - In- Charge. (Payment will be made on finished length of the work). In 10-12 Micron thickness Annodizing film, natural white 2- track sliding window

Bottom frame

Top and side frame.

Bottom & Top member of shutter

Style side member of shutter

Interlock member of shutter

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987.

4mm thick clear glass.

Labour charge for fabrication and installation of composite door, window, partitions made from annodized extruded alloy aluminium sections for the following units:- Glazed aluminium sliding windows made of extruded and annodized alloy aluminium sectios, fabrications, including cutting to proper shape and size, drilling and aligning of window shutter frame fitted with in built locking arrangements, sliding rollers and other necessary fittings, fixture, adhesives and joineries along with extruded neoprine or EPDM gasketing in between window frame and masonry work (walls, column, beam.lintels etc.) as well as between glass and shutter frame for fixing glass and Polysulphide sealant and in between shutter and window frame where necessary including cutting to requisite size and fixing glass as per drawing, specification and direction of EIC. The rate includes the hire charge of all tools and plants, including all incidental charges, adhesive, joineries such as screw, cleat angle etc. neoprene / EPDM gasket, locking arrangement and rollers. 2 track sliding window.

Providing and fixing of false ceiling with powder coated exposed G.I. grid suspension system (E-Grid T 2430/1510 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. 4 mm thick High Pressure Steam Cured Non Asbestos Fibre Cement Standard Ceiling Board (Density 1300 Kg/m3) of size 595 mm X 595 mm, conforming IS 14862 & Type B Category III of ISO 8336, tested as per AS-1530 part 3 & BS-476 Part 4,5,6,7 & 8, should be placed in the Grid module to form a False Ceiling. All complete as per the drawing & directions of Engineer-in-charge. all floors False Ceiling (with 4mm thick Fibre Cement Standard Ceiling Board and EGrid T-2430/1510).

M.S. door as per approved design made of strong M.S. frame work, intermediate stiffeners and round / square bars or angles. M.S. sheet (not less than 14 gauge) gussets, cleats etc. including necessary riveting, bolting, welding, locking and hanging arrangements, fitting and fixing complete as per direction of the Engineer-in -charge. at all floors

Supplying fitting and fixing door frame with M.S. angle (50 mm x 50 mm x 8 mm) as per drawing & direction of required section.The holes for counter sunk machine screw & nuts will be such as to fit 8 to 10 mm Iron screw. The counter sunk nut to be welded . The nuts are to be welded after careful checking with screw.All welding spots should be properly filed or rounded smooth including cost of welding hinges for hinge cleats , lugs for hasp bolt, socket bolt etc. and necessary M.S. clamps of 25mm x 6mm flat 225mm long as per direction welded to the frame fitted and fixed in position excluding cost of concrete

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement (all floors), 25 mm. thick