PROVN FOR DUCTABLE CENTRAL AC FOR TREATMENT WING AT COMMAND MILITARY DENTAL CENTRE (NC) UNDER GE (UTILITY) UDHAMPUR

Amount

Supply,installation,testing and commissioning of Variable Refrigerant Flow modular type air conditioning system suitable for Cooling & Heating both by multiple scroll compressor controlled by individual inverter complete with indoor and outdoor units with individual wired and wireless/wired remote controller for indoor units and centralized controller,interconnecting refrigerant piping, full charge of refrigerant gas (R-410A) & oil, internal control cabling and fittings and Outdoor unit connecting kit etc as per details given inspecifications and having following items. The outdoor units shall be suitable for 3 phase 4 wire system, 415V+10%, 50Hz AC supply and indoor shall be suitable for Single phase 220-240V, 50 Hz AC supply.

All the units shall be provided with built in microprocessor or control panel, for automatic operation and capacity control, which should be air cool. Machines shall be suitable for working with BMS system. It is mandatory that each compressor shall have inverter technology separately i.e. outdoor units shall have all inverter based compressor. Following capacities of ODUs are at standard operating condition as defined above and Vendor to indicate COP at 100% load & at part loads i.e.75% & 50% in the data sheets/ shop drawings: Note : INSIDE DESIGN CONDITION (24°C ± 2°C), RH not exeeding 55% and dust filtration level 90% down to 10/20 micron ( E U-4/EU-3 Pre filter)

Supply, installation , testing & commissioning of ceiling suspended unit having uniform air flow with Cordless Remote controller suitable for above indoor units to operate, monitor, ON/OFF, temperature setting air flow changing etc. The remote controller shall be wall mounting with bracket as following capaity

2 TR HI wall type unit

1.5 TR HI wall type unit

1.0 TR HI wall type unit

Supply, installation , testing & commissioning of variable refrigerant 'Y' joint required for distribution of refrigerant in copper piping etc . Complete as per specifications flow distribution REFNUTS (Y – Joints) in the suction & liquid lines.

Supply, installation , testing & commissioning of refrigerant copper piping insulated with 19 mm / 13 mm thick Nitrile rubber of following sizes between outdoor unit to indoor units as per the specifications. The refrigerant pipe shall be hard drawn /soft drawn copper pipe as per manufacture recommendations. The quantity of these items of works recommendations. The quantity of these items of works shall be measured as per actuals requirements of site conditions.shall be measured as per actuals requirements of site. The vendor shall accept the accepted rate as per the actual The vendor shall accept the accepted rate as per the measured quantities.The size of refrigerant pipes shown below are tentative.measured quantities.The size of refrigerant pipes shown below are tentative.The required size of pipe shall be designed by the vendor as per the manufacturer recommendations.

41.28mm OD ( insulation 19 mm thick )

34 mm OD ( insulation 19 mm thick )

28 mm OD ( insulation 19 mm thick )

22mm OD ( insulation 19 mm Thick )

19.0mm OD ( insulation 19 mm Thick )

15.9 mm OD ( insulation 19 mm Thick )

12.7 mm OD ( insulation 13 mm Thick )

9.5 mm OD ( insulation 13 mm Thick )

6.35 mm OD ( insulation 13 mm Thick )

Supply, laying , testing & commissioning of size 25 mm dia PVC drain water / fresh air arrangement pipe including bends, collars & elbow etc, all complete and duly insulated with 9 mm thick tubular insulation of closed cell elastomeric nitrile rubber as required, complete all as specified and directed by Engineer-in-Charge

Supply, laying , testing & commissioning insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 25 sq mm, 4 core, as per IS-7098 , complete all as specified and directed by Engineer-in-Charge.

Supply and laying SITC of cabling work between outdoor & indoor units of 2C x 1.5sq mm copper cable including concreate PVC casing caping with all fittings and ,including cutting chases to wall making good match with the existing specification complete all as specified and directed by Engineer-in-Charge.

M & L for Point wiring for 15amps socket point with 2.5 sqmm PVC insulated unsheathed copper conductor single core multistrand fliexible cable and 1.5 sqmm PVC insulated copper conductor for single core cable (green colour ) as earth lead in and including concreate PVC casing caping with all fittings (ISI Marked) controlled by one switch including CI/MS sunk box of required size & as directed by Engr-in-Charge & 3mm thick laminated sheet,including cutting chases to wall making good match with the existing specification complete all as specified and directed by Engineer-in-Charge.

S&F switch socket combination 2-in-1, 3 pin, 5 and 15 Amp flush type universal complete all as specified and directed by Engineer-in-Charge.

M&L for earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.0mm thick buried directly in ground, (Earth pit not less than 2.25 mtr deep below ground level) with top edge of plate not less than 1.5 mtr below normal ground level, connected to galvanised iron strip 32×6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised standard iron or steel all as specified or indicated in electrical plate no 3 of MES Part-I, including testing on completion including the material and labour of the following :- (a) Excavation and earth work for drilling hole for electrode in any type of soil. (b) PCC pit in cement concrete 1:2:4 type B-1. (c) Precast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than 1.87 Kg/Sqm. (d) Funnel with watering pipe of GI 20 mm nominal bore medium grade and copper lugs etc all as specified. (e) 15 mm nominal bore light grade GI protection pipe 5 mtr long for protection of earthing lead from mechanical injury or tempering. (f) Requisite quantity of common salt and charcoal. (g) Testing of earthing. Note : (a) On testing after completion of earthing, if the desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk and cost to the entire satisfaction of the Engineer-in-Charge.

Supply , fix, installation, testing and commisiioning of LT panel outdoor type weather proof panel floor mounted on 60 cm long legs made out of 40X40X6mm angle made of complete CRCA sheet on 3.15mm dust and vermin proof duly powder coated and wired as per standard engineering practice, the panel manufacturer should have got any one of the panel tested at CPRI earlier and similar design and technology shall be adopted for fabrication of panel. The panel shall be comprising of following accessories :- a) MCCB 200 Amps 4 pole-01 No (b) Copper bus bar 4 strip as per 350Amp rating. (c) MCCB 100 Amps 4pole - 01 No. (d) SPN 32Amp - 14 Nos. (f) Digital Ammeter 0 to 100 Amps. (g) Digital Voltmeter 0-500 volts. (h) Phase indicator. (j) Complete wiring of panel board with appropriate current rating flame retardant PVC insulated copper conductor multi- strand cable for panel intrument incomming / outgoing MCCBs with suitable thimble -01 Job (k) Blank space for MCCB of rating upto 100 Amps , -01 No

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