Tender For 6. Supply Installation Testing Commissioning Of Hvac Work In Sub District Hospital Bhim, Distt- Rajsamand - AIR CONDITIONING PART-A 2 Supply , Installation, Testing and Comissioning of factory assembeled double skin central evaporative cooling plant havingspecifications as per A, B, C, D, E 3 A. Air washer comprising of 2nos Pre-Filters. First filter shall be 50mm thick Aluminium wiremesh filter & second filter shall be 50 mm thick MERV-8 synthetic media filter with efficiency 90 % down to 10 microns. Both filters to be placed over the common frame. 4 B. Humidification section comprising of Wet pads 200 mm thick impregnated cellulose paper media ( Celdec pads ) with 2 bend PVC eliminator. The End plates of Pad & Eliminator shall be in SS 304 construction. Also, the inner blank offs of Wet section shall be in SS304 construction. 5 C. Fan Section comprising of belt driven, DIDW Backward curved AMCA certified centrifugal fan with maximum air outlet velocity of 10m/s suitable for required cfm at 50 mm static pressure (Total static of the unit shall be verified by the OEM before the design & supply of the units). Fan & Motor should be mounted over Aluminium channel of suitable thickness and should be isolated from the units bottom panel by means of Spring isolators. 6 D. TEFC High efficiecny IE-3 class motors as required with pulley, belt , Guard 7 E. The unit shall be fabricated with frame work hollow extruded aluminium profile with 0.80 mm preplasticised GSS on outside and 0.80mm 275gsm plain GSS on inside complete with 25 mm thick CFC free PUF insulation of minimum 40 kg/cum density sandwiched in between inner and outer skins. Unit should have MS powder coated legs to give height to units base channel from the floor surface. SS-304 ( 18 g ) Sump, UPVC Internal piping, make up, drain & quick fill and drain connection, Butterfly/Gate valves for pumps, make up, drain & quick fill and drain connections of sump, 2 no. Vertical Pumps of suitable capacity to be placed inside the units housing (external pumps are not acceptable) ,Y strainers and necessary fittings, Concrete Blocks / M S stand, anti vibration pads etc.as required. All as per pre approved by Engineer in charge. 8 11000 CFM (26.0 per cfm) 9 17000 CFM (23.0 per cfm) 10 SITC of Wall mounting cubical type Starter panel made out of 1.6 mm thick sheet steel powder coated enclosure designed as per Switchgear OEM type -2 coordination chartand suitable for operation of following cfm range Air Washers Blower motor, pumpcomprising of over load protection relay, short circuit & single phasing protection, ON / OFF push buttons, ammeter, voltmeter, indicating lamps, MCB etc. complete in all respect. All as per pre approved by Engineer in charge. 11 7500 to 15000 CFM 12 15000 to 25000 CFM 13 P & F of Fire retardent flexible canvass connection made of fibreglass weave having silver grey silicon rubber coating, of height 200 mm with sufficient fold to avoid transmission of vibrationwith GI frame ,Gasket Nut Bolts for air cooling Plants/AHU/FCU etcas required.All as per pre approved by Engineer in charge. 14 Supply , Installation, Testing and Comissioning of site fabricated ducting made from GI sheet metal conforming to IS:277 with a zinc coating grade not less than 120 GSM (both side inclusive)& fabricated as perIS:655 and as per approved drawings & designs including the cost of hangers, supports, angle, expansion fasteners , closed cell neoprene gasket T&P etc. as required of following thickness. Test Certificate for Galavanizing with lot no. to be submitted. All as per pre approved by Engineer in charge. 15 0.60mm 16 0.80mm 17 1.00mm 18 Supply , Installation, Testing and Comissioning of site fabricated ducting made from aluminium sheet conforming to IS:737, Grade 31000fabricated as perIS:655 and as per approved drawings & designs including the cost of hangers, supports , angle , expansion fasteners , closed cell neoprene gasket T&P etc. as required of following thickness. All as per pre approved by Engineer in charge. 19 0.60mm 20 0.80mm 21 Supplying, installing, testing and balancing of double louvered of extruded Aluminium Powder coated supply/return air grills of various sizes, Each grill shall be with fixed horizontal front bar at 0 deflection and back adjustable vertical louvers, air distribution grid for straightening the air flow through the collar and register including fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge. 22 Supply air grill with key operated volume control damper 23 Return air grill without volume control damper 24 Supplying, installing, testing and balancing of extruded Aluminium powder coated Air Diffuser and complete with Flush, 20mm flanges with PVC/neoprene gasket, anti – smudge frame and removable inner core to facilitate the adjustable of air control damper, square/round/ rectangular as required.including fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge. 25 Supply Air Diffuser with Volume Control damper 26 Return Air Diffuser without Volume Control damper 27 Supplying, installing and balancing of extruded Aluminium powder coated fresh air inlet louvers with bird screen & volume control damper fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge. 28 Supply , installation, testing & balancing of 20 Gauge G I Damper with brass bushes and 6 pitch multiblade box type galvanised sheet steel construction volume control damper for Ducting and air washers to be provided with suitable links and quadrants for control of volume of air as per specifications complete as required. All as per pre approved by Engineer in charge. 29 Supply and fixing of acoustic lining of ducts withchemically cross link Oxide accetate foam open cell structure Acoustic Insulation with density 30 Kg / Sqm, UV protected and Class O Fire propperty Water Vapour absorption 0.002 gm / Sqcm,including cost of adhesive etc. complete in all respect.All as per pre approved by Engineer in charge.All as per pre approved by Engineer in charge. 30 15 mm thick 31 25 mm thick 32 Supply and fixingduct insulation with 50 mm thick Expanded Polystyrene Thermocol (ESP) sheet of density 24 kg/cu.m after applying two coats of cold setting adhesive (CPRX Compound) and binding sheet with chicken wire mesh and applying cement mortar plaster (1:4) including primer & painting (suitable for outdoor aplication) matching with building colour or as per direction of Engineer incharge as required. All as per pre approved by Engineer in charge. 33 Supply , Installation, Testing and Comissioning ofInverter type Air Cooled Hi Wall split type Air conditioners with latest star rating system as per BEE amended upto date complete with Indoor unit(IDU), Out door unit (ODU), surface / concealed copper Refrigerant piping with insulation (closed cell elastomeric nitrile rubber tubular pipe section) upto 3 Mtr (IDU to ODU), copper power cable upto 3.5 Mtr (IDU to ODU), R-32/R-410 Green Refrigerant, wireless Remote control, suitable for working between 230V +/- 10% with low & high voltage cutoff and50 hz , single phaseACsupply capable of performing cooling, dehumidification, air circulation of following capacity with Scroll / rotary compressor. All as per pre approved by Engineer in charge. 34 1.0 TR ISEER not less then 4.6 35 1.5 TR ISEER not less then 4.6 36 2.0 TR ISEER not less then 4.6 37 SITCof air cooled ducted splittype air conditioning machine with each having a capacity and details as mentioned below suitable for operation on factory chargedR-32/R-410A Green refrigerant comprising ofScroll /rotary type compressor hermatically sealed complete with automatic capacity, safety switches, lubrication system,Suitable capacity squirrel cage induction motor with class B insulation suitable for operation on sigle / three phase supply, 50 Hz, A.C. supply for Blower motor, Necessary drive arrangement for blower motor, Matching Air cooled condenser with necessary fittings for refrigerant piping connections, necessary structural support for mounting condensers,Microprocessor based control panel complete with accessories, machine isolation / disconnect switch, valves and accessories to inter connect compressor and condender including pressure testing, vacuum.Necessary starters suitable for Indoor & outdoor unit complete with O/L , U/V, phase reversal protection,single phase preventors etc complete as required.All as per pre approved by Engineer in charge. 38 5.5 TR 39 8.5 TR 40 11.0 TR 41 Supply,Installation, Testing & Commissioning of modular type VariableRefrigerantFlow/VariableRefrigerantVolumeaircooled Outdoorunitssuitable for cooling and heating,having100% hermetically sealed inverter type Scroll Compressor(s) withand minimum two compressors along with two Condensing fan,above 14/18 HPmodules,microprocessorbased Controller, Side / top discharge type condensing unit(s), with R-410 A Refrigerant,vibrationisolators,withsuitablefoundationetc. completeasrequired.Theunitshalldelivertheratedcapacityat AHRIConditions andwork evenat 50°C ambient temperature without tripping.The unit shall be suitable to work on 400V +/- 10%, 3Phase,50HzACpowersupply.Theunit shallbefilledwithfirst charge of the refrigerant and ready for use as required. The EER at 100% load with AHRI conditions shall not be less than 3.5 andIncluding OEM supplied Piping connection Kit etc. as required. All as per pre approved by Engineer in charge. 42 Supply, installation, Testing & commissioning of VRV/VRF compatible OEM make AHU KIT including expansion valve and controller for connecting AHU with VRF. 43 Supplying and installation of high-pressure grade required size OEM make copper connectionY or T Joints / refnet for liquid and suction line complete erected on wall/ceiling with supports/raceways, Nitrile rubber insulation, painting etc. with brazing and testing for leakages confirming the normal operation of the VRV / VRF air conditioning system. All as per pre approved by Engineer in charge. 44 Gas charging of VRF/VRV system with R410A refrigerant gas. Before gas charging system shall be flushed with high purity Nitrogen Gas to remove carbon content, dirt particles to make sure that there is no chance of mixing any impurity with Refrigerant Gas. Thereafter System shall be tested with Nitrogen Gas at 1.5 Times of working pressure of R410 Refrigerant Gas to ensure leakproof system. Whole system shall be Vacuumed up to 500-micron level which ensures the zero-moisture content level in piping to ensure better cooling efficiency and long life of the system. All as per pre approved by Engineer in charge. 45 Supplying and drawing flexible / stranded bare copper conductor, PVC / XLPE insulated, overall aluminium mylar tape shielded ATC drain wire and outer PVC sheathed industrial Instrumentation (shielded)cables voltage grade 300/500 V as per BS /EN 50288-7 in existingsurface or recessed PVC/ MS conduit/casing capping/ Cable tray / Open Duct making connections, testing etc. as required. OEM Must have its own in house NABL lab setup for all testing facilities for cables. All as per pre approved by Engineer in charge. 46 Armoured 47 2 core x 1.0 Sq.mm 48 2 core x 1.5 Sq.mm 49 2 core x 2.5 Sq.mm 50 4 core x 2.5 Sq.mm 51 Supply, installation, testing and comissioning ofinterconnectingcopperrefrigerant pipingof DHE Grade C12200- ASTM B68, B75, chemical composition of copper %- 99.0 Min and Phosphorus %- 0.015 to 0.040 . For Annealed copper tube :- Tensile strength = 210 Mpa wih elongation % = 40 Min . Ink MarkBrand Printing on Hard Tubes should be present. duly insulated with tubular elastomeric nitrile rubber FM/UL approved with high water vapor diffusion resistance and low thermal conductivity should be certified Class O in Fire Propagationas per BS 476 Part 6 including chase cutting andfilling with mortar, Slotted channel supports mounted on 10 mm threaded rod at suitable spacing the exposed piping shall be wrapped with glass woven cloth and lag coating for vapour barrier and weather protection. Joints shall be covered with nitrile rubber tape of 3 mm thick complete as required of following sizes. All as per pre approved by Engineer in charge. 52 34.9 mm O.D., wall thinkness ≥ 1.4mm (insulation – 19 mm thick) 53 28.6 mm O.D., wall thinkness ≥ 1.2mm(insulation – 19 mm thick) 54 22.2 mm O.D., wall thinkness ≥ 1.0mm (insulation – 19 mm thick) 55 19.1 mm O.D., wall thinkness ≥ 1.0mm (insulation – 13 mm thick) 56 15.9 mm O.D., wall thinkness ≥ 0.8mm (insulation – 13 mm thick) 57 12.7 mm O.D., wall thinkness ≥ 0.8mm (insulation – 13 mm thick) 58 9.5 mm O.D., wall thinkness ≥ 0.8mm (insulation – 13 mm thick) 59 6.4 mm O.D., wall thinkness ≥ 0.8mm (insulation – 13 mm thick) 60 Providing & Fixing of IS : 4985 - 2000 Class -4 (10 Kgf / Sqcm) UPVC drain water piping withfittings (IS:7834 & 10Kgf/sqcm) like elbow, socket, Tee, solvent cement jointing,support with MS hanger on ceiling or recessed in wallwith chasing & plastering with 6 mmthickclosedcellelastomeric nitrile rubberinsulation including leakage testing etc. as required of following Nominal sizes. All as per pre approved by Engineer in charge. 61 20 mm 62 25 mm 63 32 mm 64 Supply & fixing MS powder coated stand suitable for 1.0/1.5/ 2.0 Tr outdoor type of Split AC.All as per pre approved by Engineer in charge.
