SITC of air conditioner units at 220 KV GSS Chomu.

E-22.25.7 Supply , Installation, Testing and Commissioning of Inverter type Air cooled Hi Wall split type Air conditioners 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) i/c drain pipe R-32/R-410/ R- 407 Green Refrigerant, wireless Remote control, suitable for working between 180-260V with low & high voltage cutoff and 50 hz ,1 phase AC supply capable of performing cooling, dehumidification, air circulation of following capacity with Scroll / rotary compressor. The system shall be able to deliver 100% of the rated capacity up to 42 Degree Celsius ambient temperature. Min 5 year Original Equipment Manufacturer (OEM) warranty both compressor and Printed Circuit Board (PCB). Must comply : Electrical cable IS 694 or IS 9968 temperature sensing control IS /International Electro technical Commission (IEC) 60730, hermetic compressor IS 10617, heat exchanger IS 11329, capacitor IS 2993 and motor IS 12615. Complete as per specification and IS : 1391 Part II 2023. The system shall be able to operate up to 50 degree C (out door ambient temperature)Cooling capacity 6800-7000 Watt, ISEER not less then 3.8

E-22.25.4 Supply , Installation, Testing and Commissioning of Inverter type Air cooled Hi Wall split type Air conditioners 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) i/c drain pipe R-32/R-410/ R- 407 Green Refrigerant, wireless Remote control, suitable for working between 180-260V with low & high voltage cutoff and 50 hz ,1 phase AC supply capable of performing cooling, dehumidification, air circulation of following capacity with Scroll / rotary compressor. The system shall be able to deliver 100% of the rated capacity up to 42 Degree Celsius ambient temperature. Min 5 year Original Equipment Manufacturer (OEM) warranty both compressor and Printed Circuit Board (PCB). Must comply : Electrical cable IS 694 or IS 9968 temperature sensing control IS /International Electro technical Commission (IEC) 60730, hermetic compressor IS 10617, heat exchanger IS 11329, capacitor IS 2993 and motor IS 12615. Complete as per specification and IS : 1391 Part II 2023. The system shall be able to operate up to 50 degree C (out door ambient temperature) Cooling capacity 5000-5300 Watt, ISEER not less then 4.6

E-22.44.1Providing & Fixing of IS : 4985 - 2000 Class -4 (10 Kgf / Sqcm) UPVC drain water piping with fittings (IS:7834 & 10Kgf/sqcm) like elbow, socket, Tee, solvent cement jointing, support with MS hanger on ceiling or recessed in wall with chasing & plastering with 6 mm thick closed cell elastomeric nitrile rubber insulation including leakage testing etc. as required of following Nominal sizes. 20 mm

E-22.45.3 Supply, Fixing and testing of following capacity IS:8448 marked wall mounted stabilizer having output voltage variation from 200 V to 250 V(+/-5%) with input voltage variation from 170 V to 260 V, time delay facility from 2 to 4 minute and high cutoff at 270 V with providing of 16 Amp /20 Amp Industrial plug top making connection etc complete in all respect. 5 kVA

E-4.7.2 Supply and Laying ISI marked P.V.C. insulated submersible cable confirming to(IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from copper, stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, existing pipe / open trench / Cable tray / on surface including making connection etc. as required..2.5 Sq.mm 3 core flat / Round

E-22.46.2 Making hole in stone masonary/ RCC wall/ RCC slab with core cutter for accomodating refrigerant pipe/ drain pipe/ MS pipe/ cables etc of following dia 100 mm dia per running inch length

E-22.48 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.

E-6.1.1.2 Providing & Fixing of 240/415 V AC MCB with positive isolation of 10 kA breaking capacity (B/ C/D tripping characteristic as per type of load and site requirement) 4 KV impulse withstand voltage, ISI marked IS 8828(1996) / conforming to IEC 60898-1 2002, IEC 60947-2, low watt losses, trip free mechanism , energy limiting of class 3 as per IEC, minimum phase termination capacity of 25 sq.mm., conductor line load reversibility , IP 20 contact protection and fitted in existing distribution board/sheets, minimum electrical operation 20,000 upto 20 A rating, 10,000 upto 63 A, 5000 for 80 A & above rating including making connections, testing etc. as required. 6 A to 32 A rating

E-9.3.1.1 SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation from 50 to 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 690V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle ( to be paid extra) , including making connections etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate. up to 100 Amp , 10 kA, fixed O/L & fixed S/C setting (E-9.3.1.1)

E-6.12.1 P&F metal clad / Polyamide industrial plug top & socket unit with pin and sleeve type contact on porcelain/ bakelite base in Recessed/surface mounting heavy duty Enclosure made out from Galvanized steel / CRCA sheet , powder coated conforming to IS-8623-1 & 3 /  IEC 61439- 1 & 3. (without MCB) including making connections, testing etc.as required.20 amp, (2P + E), 1 Module