DEPOSIT KHRI Karyavattom Thiruvananthapuram SITC of 30KVA Centralized UPS System and connected Electrification work General Electrical Work

Electricatrification

1.17.3:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 X 1.5 sq.mm

1.17.12:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 2.5 sq. mm

1.17.24:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.6 x 4 sq. mm

90.12.7.27:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.3.5 core 25 sq mm with factory made clamp

9.1.20:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2X25 sq.mm (28mm)

1.21.1:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm

1.21.2:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.25 mm

1.21.3:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.32 mm

1.56:Supplying and fixing suitable size Gl box with modular plate and cover in front on surface or in recess, including providng and fixing 2 Nos. 3 pin 5/6 A modular socket outlets and 2 Nos. 5/6 A modular switches, connection etc. as required. (For light plugs to be used in non residential buildings).

1.27.1:Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required.1 or 2 Module (75mmX75mm)

90.10.3.15:Supply and Fixing the following modular switches & accessories in the existing front plates and giving necessary connections as required (RoHS compliant )32A DP switch with indicator

90.10.3.32:Supply and Fixing the following modular switches & accessories in the existing front plates and giving necessary connections as required (RoHS compliant )25A 3 pin plug top with indicator

90.10.3.33:Supply and Fixing the following modular switches & accessories in the existing front plates and giving necessary connections as required (RoHS compliant )25A 3pin Shuttered socket

OD131477/2024-2025:Supply and installation of 4 Way heavy duty Enclosure conforms to IS 8623-1 & 3, IEC 61439-1& 3, Suitable for Surface and flush mounting making with CRCA sheet steel to mount MCB/Isolator/RCCB. Cat No.L&T DBENC004SD or equivalent make. for fixing Surface/Recess.

90.11.1.20:Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required8 way (8+12) - double cover TPN vertical DB with provision for fixing MCCB as incomer and SP/ TP MCB as outgoing (IP 42/43)

90.11.1.10:Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required4 way (8+12) - three phase double cover (IP 42/43)

90.11.1.12:Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required8 way (8+24) - three phase double cover (IP 42/43)

2.2.1:Providing and fixing following rating and breaking capacity MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel. making connections. etc. as required. 100 A, 16KA

2.13.2:Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.63 amps

2.13.1:Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

2.15.2:Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 milli Amperes in the existing MCB DB complete with connections, testing and commissioning etc. as required. 40 amps

2.11:Supplying and fixing single pole blanking plate in the existing MCB DB complete etc. as required.

2.10.4:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, ""C"" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Triple pole

2.10.1:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, ""C"" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole

5.6:Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

5.8:Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm)

5.14:Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

90.16.1.3:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.15 mm copper conductor ( 10 SWG)

90.16.5.3:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.3.15 mm (10 SWG)

OD131621/2024-2025:Supply, installation, testing, and commissioning of a continuous duty, true online configuration with double conversion 3-phase online UPS System of 30 kVA with an input isolation transformer. The model shall have the capability to enhance UPS capacity/redundancy by operating the UPS in N+X Parallel Redundant Configuration (PRS configuration) and shall have the capability of independent or common battery bank operation of the UPS when operated in PRS. The UPS system shall be of indoor type (IP20) with input isolation transformer surge protection system, input PF > 0.99, input THDi 94% and unity output power factor (30 kVA = 30 kW), and including all accessories, etc., as required. The UPS shall have zero ms transfer time from mains mode to battery mode and battery mode to mains mode, and automatic bypass built-in with transfer time < 1ms, and shall have manual maintenance bypass provisions, cold start capability, and serial communication interface RS232 port. The system shall have IGBT rectifier and inverter, suitable for operation in 0-40°C ambient temperature with a noise level < 65 dB at 1m distance. The UPS control panel shall be a color graphic LCD display for indication of UPS status, metering, battery status, alarm/event log, and advanced operational features, including audible alarms. The unit shall have battery backup with a minimum VAH of 57600 using tubular C10 batteries, including battery rack and interconnecting cables. The system shall comply with IEC/EN 62040-1, EN/IEC 62040-2, EN/IEC 62040-3, CE, BIS, ROHS, and relevant IS standards. All relevant type test certificates shall be provided, and the UPS system shall include a minimum warranty of 3 years for UPS and 4 years for battery. Make of UPS: Legrand-Numeric/ Riello/ Delta/ Eaton or equivalent make. Make of Battery: Amaron Quanta/ Exide EL.

OD131482/2024-2025:Supply and fabrication conveyance and installation of angle iron frame work.

OD131480/2024-2025:Painting letters or figures of the 2.50 cm,4 cm or 5 cm height sizes with enamel paint as identification mark to SB, DB, Panel board etc...as requeued.

OD131483/2024-2025:Charges for dismantling the existing EI complete making good the damages of wall and conveying dismantled materials to section store.

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