WBPWD/EE/PMED/NIQ-17/e-Q /2025-2026

S&D of minimum 14 KW nominal cooling capacity ceiling suspended [ concealed] fixed speed /inverter Split Air Conditioner with R410A / R407C / R-32 Refrigerant, with single Scroll /twin rotary /swing compressor , suitable for operation on 415V,+_ 5% , 50Hz, 3Ph AC Supply. with precharged refrigerant, Wired/ Wireless remote & all other accessories (Make: O General model ARG60F/AOG60F/ O General model ARGG48CMAA-B/ AOGG48CRAB-B/ Mitsubishi heavy industries model FDUM125CSV-S6/FDC125CSV-S6/ Mitsubishi Electric)

Installation testing & commissioning of above AC machines by fixing the indoor with 4 Nos 1 foot long MS "C" channel of sizes 80mmX40mmX 6mm.In Each "C" Channel (2 nos 10.5 mm dia Hole in 40 mm width side and 1 No 10.5 mm dia hole in centre of another 40 mm width side of "C" channel with minimum 2 nos 10mm X75mm anchor fastner bolt drilled into the ceiling(Araldite epoxy bonding must be used). The indoor unit suspended from this "C" channel support with 4 nos 40mm X 6mm MS flat & 10mm full threaded suspender bolt with double nut & spring washer. (Out door unit will be fixed on pre fabricated MS platfrom ) [All MS Structure should be painted with one Coat of good Quality red oxide paint and 2 Coat of enamel Paint and all nut,bolt and washer Should be stainless steel 304/ High-tension grade] ( If any other types of MS support/ MS structure are required for hanging the indoor Unit from ceiling,must be done for the sake of patient care service Necessary masionary works like wall cutting ,concrete work ,painting finishing should be done after copper and AC drain water pipeline works.

Supply & Laying of Refrigerant Copper pipe of following diameter for connecting of Indoor to Outdoor unit, along with drip resistant nitrile rubber insulation with double insulating wrapping tape to avoid dripping of condensate water:-

Copper pipe 9.52 mm dia, min. thickness 0.8mm (Make : Rajco / Mandev) with 9mm thick nitrile insulation along with wrapping the copper refrigerant pipe line with 28 SWG Aluminium sheet. ( Accoflex/K-flex/Armasell)

Copper pipe 19.05 mm dia, min. thickness 0.99mm(Make :Rajco / Mandev) with 9mm thick nitrile insulation along with wrapping the copper refrigerant pipe line with 28 SWG Aluminium sheet. (Accoflex/K-flex/Armasell)

Supply & Laying of PVC insulated unarmoured 1.1 KV grade 4 Core 2.5sq mm copper cable from indoor to outdoor unit with necessary fixing arrangement. (Gloster / Polycab /Finolex )

Supply & laying drain Water piping work with 25 mm dia Schedule 40 PVC/ UPVC hard pipes (Finolex / Ashirbad / Supreme) incl. fitting , accessories bends, elbows, tees, flanges, tapings, etc. insulated with 9mm. thick nitrile rubber tube insulation.

SITC of Powder Coated Al. Grill without VCD suitable size (Make:Systemair / Primier)

Supplying, fabrication & fixing 2 Nos. M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) for making Base Frame table type for installation of AC ODU incl. drilling 2 nos holes in each channel. fabricated with 2 Nos. horizontal angle of 50 mm x 50 mm x 6 mm as per direction of E.I.C.

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 25mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required. a) 4x84/0.3 (6 sqmm) + 2x56/0.3 (4 sqmm) as ECC

Supplying and fixing MCB SS enclosure with IP-66 protection, powder coated provision for four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment a) 32A, 415V MCB four pole MCB (Make- Legrand/ Schneider/ Siemens)

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

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