BIRED/104/e-NIQ(1st Call) of 2024-2025

Amount

SUB-HEAD 1--SUPPLY & INSTALATION OF AC MACHINE--S&D of minimum 5.27KW nominal cooling capacity ceiling suspended [Concealed]medium static, Split Air Conditioner with R410A / R407C / R-32 Refrigerant having single Rotary Compressor / Swing compressor for inverter machine, suitable for operation on 240V,+_ 5% , 50Hz,1Ph AC Supply. with precharged refrigerant, Wired/ Wireless remote, filter & all other accessories (Make : DAIKIN model FDXS60CVMA+RXS60FVMA Mitsubishi heavy industries model FDUM50CNV-S6 +FDC50CNV-S6/ O General model ARG18F + AOG18F). (N/S)

Installation testing & commissioning of above AC machines at Gr floor by fixing the indoor with two number 1.2mt long MS equal angle of sizes 40mmX40mmX 6mm fixed on ceiling by 4nos 10mm X 65mm anchor fastner. This angle will be converted to C channel in four parts by welding short angle piece with drilled hole, The indoor unit suspended from this angle support with 4 nos 10mm full threaded suspender bolt with double nut & spring washer. Out door unit will be fixed on wall with two number heavy type wall bracket.(N/S)

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:- Discharge Line 6.35mm dia, min. thickness 0.8mm with 9mm thick nitrile insulation. (Make : Rajco / Royku). (N/S)

Suction Line 15.88mm dia, min. thickness 0.99mm with 9mm thick nitrile insulation. (Make : Rajco / Royku). (N/S)

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. (Finolex / Polycab / Havells)(N/S)

Wrapping the copper pipe with insulation & electric cable by S/F 26SWG Aluminimum sheet to make it weather & vermin proff.----6mm dia with 9mm thick nitrile insulation, 15.9mm dia with 9mm thick nitrile insulation & 4core 2.5Sqmm Copper cable.(N/S)

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.(N/S)

SUB-HEAD 2-- DISTRIBUTION WIRING FOR AC MACHINE----Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' HMS grade (Precision make) incl. necy. fittings as required.2 x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 sqmm) ECC. page -E-14, Item 1(a) ---iii

S&F of 250V, 25A timer controlled starter for two nos. room Air Conditioning machine in SS double door 14-way DB enclosure ( ABB/ Legrand make) with S&F following electrical accessories & front door locking arrangement with all connections by finishing the ends of 2 x 4 & 1 x 2.5 mm² copper wire with dowells solderless socket by crimping method as to GS, earthing attachment on wall icl necessary connections as per direction of EIC:- i) 25A DP MCB (L&T/ ABB/ Legrand make) -- 1no ii) 24Hrx7days programmable Digital timer (L&T make Cat no 67DDT0) - 1no iii) 3-pole power contactor (L&T make cat no MNX22/250V) -- 1 no. iv) 2-Modular AC motor starter (Legrand/Myrius Cat no 673031) -- 1 no. v) 1-module 10A Modular switch (Make Legrand /Myrius) -- 1 no vi) 3-module plate with cover (Make Legrand /Myrius) -- 1no vii) 25A Auto-Off-Bipass SPDT toggle switch (appvd reputed make) - 1 no. viii) LED indication lamp (approved reputed make) -- 1 No. ix) Outgoing bakelite connector 32A (Reputed make as approved by EIC) - 4 nos.(N/S)

SUB-HEAD 3 -FIXING OF LIGHT FITTINGS--Fixing only single/twin fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports fixed with “L” type MS clamp whose one side fixed on ceiling with sutable size 4 nos. fastener and other side connected with the conduit with suitable size of bolts and nuts incl. S&F EI conduit, “L” type (125mmx125mm) 6mm thick and 25mm with MS clamps and connecting the length of PVC insulated wire and mending good damages to original finish and painting etc. by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length.[C2/17 ]

Extra for suspension exceeding 25 cm with S&F additional 2 no. 20 mm dia EI conduit (14 SWG) supports & necy. PVC insulated wire and painting etc. as required by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length.[C2/16 ]

SUB-HEAD 4 - SUPPLY OF LIGHT FITTINGS--Supply of Twin industrial box (thick ness of box should not be less than 22 SWG) type luminaire with CRCA body (Make :- Philips -TMC 502 2xT-LED22W Crompton/wipro having similar specification). incl S&D 2x 14 watts 4 ft LED tubewith 2100 lumen out put (Make:- Philips, Cat - Mas LED tube 1200 mm 14W865 T8 / Crompton /wipro having similar specification) (N/S)

NARAYAN CHANDRA DAS (BID ID -5603064)

RIK ENTERPRISE (BID ID -5601874)

AJOY KUMAR DAS (BID ID -5599637)