Indian Institute Of Technology-IITB has published Tender For Providing Aluminum Partition And Air Conditioning System In The Geo-Technical Laboratory At Annex. Building Of Civil Engineering Department In Academic Complex. Submission Date for this Tender is 22-02-2024. Air Conditioner Tenders in guwahati Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 15-Feb-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 22-02-2024 |
| Sl. No. | Item Description |
| 1 | Part-A: HVAC Works |
| 2 | Supplying and fixing of fan coil units FCUs horizontal ceiling suspen"ded coloured exposed type with 3/4 row deep cooling coils, copper pipé flair fittings, filter,3 speed motor, motorized valve with actuator & thermostat, supply & return air grills including control wiring from unit to the existing switch board with switch, socket, casing-capping / conduit pipe and ball valve, two way valve, thermostat with Y strainer in supply line and ball valve in return line, necessary copper fittings as complete required as per specification complete as required. |
| 3 | 1.5 TR (Nominal Capacity) |
| 4 | Supply,installation,testing and commissioning of thermal break type ,sheet metal sectionalised constructionofDouble Skin direct driven AHUs of following capacities with filter section with prefilters of 50 mm thick, efficiency 90% down to 10 micron, chilled water cooling coils of Copper tube and Aluminium Fins construction,insulated drainpan, squirrel cage induction EFF1 type motor,DIDW backward curved centrifugal/Plug fans,vibration isolators(spring mounted),proprtionate thermostatew, coil shall be selected for a max.face velocity of 500 FPM and static shall be 50 mm.Motor shall be suitable for 415V/3Ph/50 Hz AC AC supply. Air moving capacities shall be as per the specifications etc. complete as required. |
| 5 | Double skin ceiling suspended direct driven AHU , 4200 CFM , 50mm SP, 6RD , Coil Compete as required. |
| 6 | Supply, installation, testing and commissioning of 5 KW AHU stater panel with 5 KW DOL Bypass stater having MCCB as incomer, phase indicating lamp, voltmeter, volt meter selecting switch, control fuse, 24V 50VA transformer for Fire damper actuator & Dynamic balancing valve, toggle switch, start / Stop push button for stater, power & Control terminals etc as per specification and of approved make.(excluding Power and Control Cabling from AHU to Panel) With Transformer |
| 7 | Supplying & laying, testing & commissioning mild steel "C" class pipe of size as mentioned below on exposed surface,wooden support, MS angle- clamp alongwith priming coat of steel primer as per standard specification complete as required. |
| 8 | 25 mm Dia |
| 9 | 32 mm Dia |
| 10 | Providing and fixing Chilled water pipe insulation with 50 mm thick TF quality expanded polystyrine of 20 kg/m3 density and finaly covered with chiken wire mesh and 10 mm thick sand cement plaster in two layer and two coat of approved brand of painting on the pipes - (For over ground pipes. ) |
| 11 | 25 mm Dia |
| 12 | 32 mm Dia |
| 13 | Supplying & laying , testing & commissioning mild steel " C " class pipe of size as mentioned below on exposed surface,wooden support, MS angle- clampalongwith priming coat of steel primer as per standard specification complete as required. |
| 14 | 50 mmdia |
| 15 | Providing and fixing Chilled water pipe insulation with 50 mm thick TF quality expanded polystyrine of 20 kg/ m3 density and finaly covered with chiken wire mesh and 10 mm thick sand cement plaster in two layer and two coat of approved brand of painting on the pipes - (For under ground pipes.) |
| 16 | 50 mmdia |
| 17 | Providing and fixing of GI drain water piping with 19 mm thick closed cell nitrile rubber with sand cement plaster complete as required |
| 18 | 32 NB (medium class) |
| 19 | Supply, Insatallation, testing and commissioning ofAuto Air-purge valve of 25mm dia as complete as required. |
| 20 | Power Cabling Supply,installation,testing and commissioning of PVC insulated sheathed1.1 KV grade armoured Al. Power cables from various panels upto their respective equipment on MS painted perforated trays with appropriate clamps/fixing arrangements as perspecifications and drawings.(supply ) |
| 21 | 3 C X 16 mm2 Aluminium Cable |
| 22 | Control Cable1.5 X3 core ( copperfor 2-way valve ) |
| 23 | Providing and fixing in position the following manual Butterfly valve- manual (Insulated)with C I body SS Disc, Nitrile Rubber Seal and O-Ring PN 16pressure rating for chilled water circulation as specified |
| 24 | 50 mm dia |
| 25 | supplying,installation,testing and commissioning of followingindusrial type thermometer and pressure gaugewith ball valves for isolationcomplete as required(supply ) |
| 26 | Thermometer |
| 27 | pressure gauge |
| 28 | Providing and fixing of insulated motorised 2-way valve 50 mm with actuator ,position feedback etc complete as required. |
| 29 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. |
| 30 | 19 mm |
| 31 | Providing andfixinginpositionthefollowinginsulatedY-stainer of (50) mm dia as per the specifications complete as required. |
| 32 | Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick nitrile insulation having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications. |
| 33 | Duct/Grilles/Diffusers Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, support etc. as per approved drawing and specifications of following sheet thickness complete as required. |
| 34 | thickness 0.63 mm sheet |
| 35 | Providing and fixing of extruded aluminium powder coated grills/diffusers as per specifications and drawings complete as required. |
| 36 | Supplying, fixing testing commissioning of supply/return Grill of powder coated aluminium without aluminium volume control dampers with anti smudge ring & removable core. |
| 37 | Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. |
| 38 | Part-B: Civil Works |
| 39 | Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) (Glazing, paneling and dash fasteners to be paid for separately) : |
| 40 | (a) For fixed portion |
| 41 | (b) For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required (Fittings shall be paid for separately) |
| 42 | Providing and fixing 12 mm thick prelaminated particle board flat pressed three layer or graded wood particle board conforming to IS: 12823 Grade l Type ll, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screws etc. complete as per architectural drawings and directions of engineer- in-charge. |
| 43 | Pre-laminated particle board with decorative lamination on both sides |
| 44 | 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): |
| 45 | With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm) |
| 46 | Providing and fixing IS : 12817 marked stainless steel butt hinges (heavy weight) with stainless steel screws etc. complete : |
| 47 | 100x60x2.50 mm |
| 48 | 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 : |
| 49 | (a) 125 mm |
| 50 | Providing and fixing aluminium tower 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 necessary screws etc. complete : |
| 51 | (a) 250x10 mm |
| 52 | Providing and fixing bright finished brass 100 mm mortice latch and lock, ISI marked, with six levers and a pair of anodised (anodic coating not less than grade AC 10 as per IS : 1868) aluminium lever handles of approved quality with necessary screws etc. complete. |
| 53 | Half brick masonry 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. |
| 54 | (a) Cement mortar 1:4 (1 cement :4 coarse sand) |
| 55 | Centering and shuttering including strutting, propping etc. and removal of form for |
| 56 | (a) Shelves (Cast in situ) |
| 57 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : |
| 58 | (a) 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources) |
| 59 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. |
| 60 | 15 mm cement plaster on rough side of single or half brick wall of mix: |
| 61 | (a) 1:4 (1 cement: 4 coarse sand) |
| 62 | Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing to edges to give high gloss finish etc. complete at all levels |
| 63 | (a) Granite stone slab colour black, Cherry/Ruby red |
| 64 | Providing edge moulding to 18 mm thick marble stone counters, Vanities etc., including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge. |
| 65 | (a) Granite work |
| 66 | Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid board one side white color and other side of board laminted with PVC foil of minimum 14 micron thickness of approved design pasted with hot melt adhesive for cup boards, work stations and bathroom/kitchen cabinet etc. of required sizes comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with property of being termite/ borer proof, water/moisture proof and fire retardant and fixing with stainless steel piano hinges/soft close clip on concealed hinges of required size with necessary full body threaded star headed counter sunk S.S screws, all as per direction of Engineer-In- Charge. (Note: stainless steel piano hinges/soft close clip on concealed hinges and necessary S.S screws shall be paid separately) |
| 67 | 25 mm thick |
| 68 | Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface : |
| 69 | (a) Water thinnable cement primer |
| 70 | Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer"s specification. |
| 71 | (a) Two or more coats on new work |
| 72 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade |
| 73 | Two or more coats on new work |
Copyright © 2024 · All Rights Reserved. Terms of Usage | Privacy Policy
For Tender Information Services Visit : TenderDetail
