Drainage Works Tenders

Supply & Fix in repairs sinks with drainage board made of stainless Gde 304 steel 1mm thick kitchen or laboratory with plugs, washers and wastes, including bedding in cement mortar on to dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size 915 x 460mm bowl size 410 x 330mm x 160mm complete all as specified and directed.

M&L for providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves shall not to more than 5 mm), including making drainage opening wherever required complete all specifed and as directed

M&L Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and directed.

Providing and fixing Fume Hood Technical Specifications:- 1. Dimension Details a. Overall Dimensions (With base cabinet): 1500mm (W) x 850mm (D) x 2300mm (H) b. Fume Hood Internal Dimensions : 1200mm (W) x 600mm (D) x 1200mm (H) c. Underneath Storage Cabinet: 1500mm (W) x 600mm (D) x 800mm (H) 2. Design Basis a. American Design Standard: ASHRAE110-2016 3. Design Structure a. Aerodynamic, Floor mounted 4. Airflow Type a. Low Constant Volume (for A.C. Environment) 5. Powder Coating for exterior a. Pre-treated with 8 tank chemical processes and powder coated with highly chemical resistant epoxy colours having dry film thickness of 70 to 80 microns. 6. Material of Construction of Superstructure (Exterior) a. Galvanized Iron (GI) as per IS 277: 2003 standard of 1.2mm to 2mm thickness for all sheet metal paneling converted as main superstructure. Same panel converted as corner post and panel as single piece. 7. Front Top Panel a. Easily operable hinged Top Panel for easy access to Blower and Electrical Lighting fixtures for maintenance. 8. Corner Post a. Rectangle Panel profiled Corner Post is placed on the Left and Right Hand side of the Fume hood. 9. Construction (Interior) a. Chemical and Heat Resistant, Fire Retardant, Smooth Finish, Easily Cleanable Panels Made out of durable PRL/PP integral work walls (6mm thick). ASTM flame spread index 25 or better. b. Exhaust system (for light, normal and heavy fumes) with baffle to ensure rapid exhaust of fumes. 10. Air Foil a. Aerodynamic Design, Horizontal fixed airfoil mounted on the worktop made of SS 304 (1.2 ± 0.1mm thick). 11. Worktop a. Chemical resistant splash and spillage proof dished ‘Jet Black Granite’ worktop (18 plus 1mm thick). Skirting of 25mm from all sides for no chemical spillage. 12. Sink, Water tap with drain arrangement a. Worktop will have sink sealed with silicon sealant for drainage with water tap on left/right back side of worktop. Sink will have a trap for waste collection. b. Oval shaped 100mm x 200mm sink. 13. Sash (Shutter) a. Vertical rising sash counter-balanced with pulley and counterweight system. Toughened Float Glass sash (4mm thick or better). Smooth and light sash operation. Clear openable height= 650mm. 14. Wet and Dry Service valves a. Color-coded valves for fine control (as per DIN 12920 norms). Braided hose with 6mm internal diameter, capable of withstanding up to 5Kgf pressure: i. For Raw Water (PU) ii. Vacuum iii. Compressed Air 15. Maintenance Ports a. Open-able top panel for easy maintenance of tube light and flow control valve. b. Rectangular service panel for maintenance of utility valves and tubing. 16. Internal Nozzles a. Brass powder coated fittings are staggered in the fume hood on the back wall to avoid the intermingling of the flexible hoses. Also the taps are tapered in shape to use with flexible tubing of sizes from ¼” to ½” in dia, to provide greater flexibility to the user. 17. Lighting a. LED light with vapor-proof fitting for proper illumination. Intensity approx 400 lux at worktop level. Light in Glass fitting. 18. Electrical Utilities a. 2 nos. electrical sockets with switch of reputed make (230V, 6/16 A, 50 Hz). b. MCBs with blower NO/NC switch with built-in starter and light switch on front face. Cables and wires should be Fire Retardant grade. (2 RHS plus 2 LHS). 19. Cable Entering Pot a. For easy access of cables from fume hood to electrical sockets. 20. Underneath storage Chemical storage cabinet a. Made from 1.2mm thick GI sheet with highly corrosion resistant epoxy powder coating, 60-80 microns thickness or higher. b. Cabinet integral work walls should be of special chemical and heat resistant, smooth finish, easily cleanable panels made out of durable sheets. 21. Exhaust Port a. Unique exhaust port design ensures that the fumes will be exhausted smoothly without any turbulence at the exhaust port. Also, it ensures a low noise level. 22. Noise Level a. 70db at 1 meter from fume hood. It will be internal to the fume hood complete as per entire satisfaction of Engineer in charge.

Drainage spouts complete as per drawing and technical specifications Clause 1209

Providing and fixing factory made uPVC white colour fixed glazed windows / Ventilators comprising of uPVC multi chambered frame and mullion (where ever required) extruded profiles duly reinforced with 1.60± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), uPVC extruded glazing beads of appropriate dimension, EPDM gasket,G.I fasteners 100 x 8 mm size for fixing frame to finished wall, plastic packers, plastic caps and necessary stainless steel screws etc. Profileof frame shall be mitred cut and fusion welded at all corners, mullion (if required) shall be also fusion welded including drilling of holes for fixing hardware and drainage of water etc.After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of required size and of approved quality, all complete as per approved drawing & direction of Engineer-in-Charge inclusive of cost of Single / double glass panes and silicon sealant. Note: For uPVC frame, sash and mullion extruded profiles minus 5%tolerance in dimension i.e. in depth & width of profile shall be acceptable.Variation in profile dimension in higher side shall be accepted. But, no extra payment on this account shall be made. Fixed windows / Ventilators made of (small series) frame 47 x 50mm & mullion 47 x 68 mm both having wall thickness of 1.9 ±0.2 mm and single glazing bead of appropriate dimension