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| 1 | E&M (HVAC) Related works |
| 2 | Design, supply, installation, testing & commissioning including vaccumiazation and nitrogen testing of suitable liquied & dicharge line (as per manufacture recommendations) of hard drawn refrigerant copper pipingfrom condensing system to Dx-type AHU. The refrigerant piping complete with fittings, with suitable adjustable ring type hanger supports, jointing / brazing including accessories, insulated with XPLE Class-O tubular insulation / with Class-O closed cell elastomeric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. as required.► The Copper Piping & Piping Circuit should be with Minimum Number of joints. which shall be attained by (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required.► Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum.► The makes of tube fittings shall be same as that of tubes.► The thickness of fittings used shall be same as that of the pipe.The vendor shall accept the accepted rate as per the actual measured quantities. The quantity of these items of works shall be measured as per actuals requirements of site conditions. The size of refrigerant pipes shall be designed with the required size of copper pipes as per the manufacturer computer software selection and recommendations. |
| 3 | 15.86 mm dia (OD) (Soft drawn / Hard drawn) with tube thickness 1.2 mm |
| 4 | 28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 5 | Design, supply, installation, testing & commissioning of air cooled condensing unit of capacity 11 TR inverter type scroll compressors with R-401A / R-407C or equilant permitted green refrigerant suitable for operation on 415 V +/- 10%, 3 Phase, 50Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The necessary expansion kit (AHU kit) shall be providedif necessay, for connecting Air Handling (AHU) system as specified in this BOQ under item no-3. The outdoor unit shall be provided with its own microprocessor control panel & provision for integration with local / remote control system for switcing operation of the system as required. The unit shall be designed in such a way that, cleaning of drain pan should be easy & inspection / replacement of compressor should be easy as and when need.The condensing unit shall be installed on suitable size of MS iron angle frame / civil constructed base frame with necessary anti vibration pads / mounts, bolts & nuts, fasteners etc., as required.Note: The condenser unit shall be installed at terrace ground floor of the building. The height of the building from ground will be around 10 feet. The AC unit shall be shifted using necessary crane with proper boom without damaging the building & other peripherals as per the site requirement considering all the safety aspect as required. |
| 6 | Supply, installation, testing and commissioning of indoor type double skin air 15000 CFM handling units (AHU). The AHU shall be outer skin with 0.63 mm thick precoated G.I sheet & plain 0.63 mm thick inner G.I sheet with 40 mm thick injected puf insulation with Aluminium extruded frame work having thermal break profile with internal coving and suitable for hndlind 3 x 3 Nos.of DX type air cooling condensing unit having single / multiple compressor as stated under item 2.Filter Section with EU4 Pre Filter (box type/50mm) & EU7 Fine Filter (bag type/300mm) both mounted on common filter fram, 6 rows deep cooling coil made out suitable gauge copper tubes with drain pipe & UV Lamp & its mounting arrangement. AHU shall have 15000 CFM / 75 MM S.P / 5.5 kW x 2 nos / 4 Pole, Energy Efficient three phase squirrel induction motor, direct driven type backward curved Plug fans with IE-3 motor, SAD and mounted using anti-vibration isolation pads. The suitable rated VFD shall be supplied along with AHU and the VFD shall be installed in the existing Motor control center (MCC) at site with necessary control logic and integrated with exisitng DOL/Star delt starter as required.The unit shall be supplied with necessary electronic expansion valve/s (Dx), thermostats, light and limits switch all accessories including copper control cables if any as required. However, the necessary power cable between equipments & MCC will be supplied by CSIR-NAL as required. The AHU shall be installed on floor using necessary civil foundation or MS angle frame using necessary expansion bolts, fasteners etc., as required. The size of the AHU shall be fabricated to suite the existing plant room available at site. |
| 7 | Modification of the existing / fabrication of suitable supply air / return air duct connection using 22 / 24 gauge galvanised sheet steel (GSS) with necessary fabrication of a plenum (new) if any, canvas to suit the existing duct connection and repairing of existing return air duct using asbestos sheet of upto 20 sq.meter & integrated with replaced AHU, repair if any and cleaning of the duct wherever necessary all complete as required. |
| 8 | Dismantling of 25 Tr capacity centralized (Voltas make) air conditioning plant conectedwith 25 Tr open type compressor, belt driven by 415 Volts, 50 Hz, 25 HP induction motor, water pump, AHU, necessary filters Sections & motor, cooling tower, Pressure gauge, Temperature gauge, Flow switch, Butterfly valve, MS Class C pipe including insulation covered with aluminium sheet & other accessories made out of MS fabrications / MS pipes, flanges, manifolds, valves, controllers, cables, cooling tower etc.,. shall be dismantled including cutting and shifted from the site to central store of CSIR-NAL as per the direction of Engineer In-charge. The distance from the site to central store will be around 250 meters as required. |
| 9 | Civil Related works |
| 10 | EARTH WORK |
| 11 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lif. |
| 12 | Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. |
| 13 | CEMENT CONCRETE (CAST IN SITU) |
| 14 | Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth. 1:1.5:3 (1Cement: 1.5 coarsesand (zone-Ill)derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). |
| 15 | Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth. 1:3:6 (1Cement : 3 coarse sand (zone-Ill) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 16 | MASONRY WORK |
| 17 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6(1 cement : 6 coarse sand) |
| 18 | WOOD AND P. V. C. WORK |
| 19 | Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS: 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete : 250x16 mm |
| 20 | Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete : 125 mm |
| 21 | Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete. Twin rubber stopper |
| 22 | Providing and fixing Fiber Glass Reinforced plastic (FRP) Door Frames of cross-section 90 mm x 45 mm having single rebate of 32 mm x 15 mm to receive shutter of 30 mm thickness. The laminate shall be moulded with fire resistant grade unsaturated polyester resin and chopped mat. Door frame laminate shall be 2 mm thick and shall be filled with suitable wooden block in all the three legs. The frame shall be covered with fiber glass from all sides. M.S. stay shall be provided at the bottom to steady the frame. |
| 23 | Providing and fixing to existing door frames. 30 mm thick Glass Fibre Reinforced Plastic (FRP) panelled door shutter of requiredcolour andapprovedbrandand manufacture,made with fire - retardant grade unsaturated polyester resin,moulded to 3mm thick FRP laminate for forming hollow rails and styles, with wooden frame and suitable blocks of seasoned wood inside at required places for fixing of fittings, cast monolithically with 5 mm thick FRP laminate for panels conforming to IS: 14856, including fixing to frames. |
| 24 | Providing and fixing fly proof stainless steel grade 304 wire gauge, to windows and clerestory windows using wire gauge with average width of aperture 1.4 mm in both directions with wire of dia. 0.50 mm all complete With 12 mm mild steel U beading |
| 25 | Providing and fixing factory made uPVC glazed/wire mesh windows/ doors comprising of lead free uPVC multi-chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness of 1.70 mm for Series R1 and R2 profiles and 2.10 mm for Series R3 and R4 profiles conforming to EN: 12608 in any shape, colour and design duly reinforced with galvanizedmild steel section madeof requiredshape & size asper CPWDSpecification,uPVC extrudedglazingbeads,interlocksandlnlinesashadaptor(where ever required) of appropriate dimension, EPDM gasket, hardware, SS 304 grade fasteners of minimum8mm dia with countersunk head, comprising of matching polyamide PA6 grade sleeve for fixing frame to finished wall as per IS 1367 : Part 1 to 14, plastic packers, plastic caps and necessary stainless steel screws etc. Profile of frame, sash & mullion (if required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all corners, 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 approved size and quality, all complete as per approved drawing conforming to CPWD specification & direction of Engineer-in-Charge. Section of steel reinforcement and cross sections of uPVC profiles to be as per design approved by Engineer-in-Charge. Wire mesh / Glazing of plain/ toughened/ laminated/ double glass unit with / without high performance coatings as per design requirements and conforming to IS: 3548 & IS: 16231 shall be paid separately.Note:-StructuraldesignproofcheckedfromaGovernment Engineering Institute,tobeprovidedbythemanufacturerfor (i) Sites with basic wind speed > 45 m/sec as per IS 875 — Part 3 (ii) Sites with structure height more than 20m for all wind speeds Three track three panels sliding window with two glazed & one wire mesh panels with Aluminium channel for roller track, wool pile, nylon rollers with SS 304 body.Using R2 series with frame (70 mm & above) x (40 mm & above) & both glazed and fly screen sash (25 mm & above) x (50 mm & above) with zinc alloy (zamak) powder coated touch locks with hook. (Height upto 1.2 metre). |
| 26 | FLOORING |
| 27 | Providing and laying vitrified floor tiles in diferent sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete. Size of Tile 600x600 mm |
| 28 | ProvidingandlayingVitrifiedtilesindiferent sizes (thickness tobe specified by manufacturer), with water absorption less than 0.08 % and conforming to I.S. 15622, of approved make, in all colours & shade, in skirting, riser of steps, over 12 mm thick bed of cement mortar 1:3 (1 cement: 3 coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joint with white cement & matching pigments etc. complete Size of Tile 600x600 mm |
| 29 | FINISHING |
| 30 | 12 mm cement plaster of mix: 1:4(1 cement: 4 fine sand) |
| 31 | 6 mm cement plaster of mix: 1:3 (1 cement :3 fine sand) |
| 32 | Providing andapplyingplaster of paris putty of 2mm thickness over plastered surface to prepare the surface even and smooth complete. |
| 33 | Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand andmanufacturerincluding applying additional coats wherever required to achieve even shade and colour Old work (one or more coats) |
| 34 | Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre |
| 35 | Dismantling and Demolishing |
| 36 | Dismantling and Demolishing Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (including equivalent design mix) |
| 37 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 38 | Demolishingbrickworkmanually/bymechanicalmeansincluding stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In lime mortar |
| 39 | Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sq. metres and below |
| 40 | Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area beyond 3 sq. metres |
| 41 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 42 | ALUMINIUM WORK |
| 43 | Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item): With float glass panes of 4.0 mm thickness (weight not less than 10kg/sqm) |
| 44 | NEW TECHNOLOGIES AND MATERIALS |
| 45 | Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type orof approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge 25 mm average thickness |
| 46 | Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as perspecifications and direction of Engineer- In-charge complete in all respect. SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer |
