NISER/IWD-ELECT/CMRP RESIDENTS/ 2022-23/02

Supplying and fixing following way prewired TP&N MCB distribution board of steel sheet for 415 volts on surface/ recess complete with loose wire box, terminal connectors for all incoming and outgoing circuits, duly prewired with suitable size FR PVC insulated copper conductor up to terminal blocks, tinned copper bus bar, neutral link, earth bar, din bar, detachable gland plate, interconnections, powder painted including earthing etc. as required with following MCB/ RCCB/ Isolator. 6 way (4 + 18), Double door – 1 No. 63 Amp 4 pole Isolator- 1 No. 63 Amp Double pole RCCB(Sensivity 30 mA)- 3 Nos. 16/25 Amp SP MCB- 9 Nos. Make:- Legrand / Hager / Schneder / Siemens

Supplying and fixing down rod of 70 cm length G.I. pipe, 15 mm dia, heavy gauge including painting etc. as required. (Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored)

Wiring for circuit/ submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in existing surface/ recessed medium class PVC conduit as required termination with copper lugs , all complete and as per instruction of EIC. 4 X 6 sq. mm + 2 X 6 sq. mm earth wire Cable Make: Finolex / RR Kabel / Polycab

Wiring for circuit/ submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in existing surface/ recessed medium class PVC conduit as required termination with copper lugs , all complete and as per instruction of EIC. 2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire Cable Make: Finolex / RR Kabel / Polycab

Wiring for circuit/ submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in existing surface/ recessed medium class PVC conduit as required termination with copper lugs , all complete and as per instruction of EIC. 2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire Cable Make: Finolex / RR Kabel / Polycab

Wiring for circuit/ submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in existing surface/ recessed medium class PVC conduit as required termination with copper lugs , all complete and as per instruction of EIC. 2 X 4 sq. mm + 1 X 4 sq. mm earth wire Cable Make: Finolex / RR Kabel / Polycab

Supply and fixing of following sizes of Casing Capping as per site condition (Size:- 38x16 mm) or Medium Class PVC conduit (Color-White) along with Accessories in surface/recess including cutting the wall and making good the same in case of making recessed conduit as required. Size:-Conduit Size:- 25 MM Dia , Make:- Precesion/ Kinjal/Modi Casing Capping Size:- 38x16 mm , Make:- Legrand

Supplying and fixing 20 A, 240 V, SPN Industrial type socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 25 A "C" curve, DP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required. (Model:5078 14 Legrand) Make:- L&T/Hager, Legrand, Schneider / Siemens

Supplying and fixing 8 modules, Plastic suface box along with modular base , cover plate & with 3 nos. 5/6 A -3 pin modular socket with controlled by 1 no. 16 A modular switches with all interconnection in switch board by 2.5 sq. mm PVC FRLS grade wire, termination with copper lugs , all complete and as per instruction of EIC. etc as required. Make: Legrand (Myrius)

Supplying and drawing following pair 0.5 mm dia FRLS PVC insulated annealed copper conductor, unarmored telephone cable in the existing surface/ recessed steel/ PVC conduit as required. 4 pair

Supplying and fixing Telephone socket outlet modular switch/ socket on the modular plate & switch box including connections etc. as required.

Supply, installation, testing & commissioning of test link box consisting of 37 X 6 mm., heavily hot dipped GI test link, 25 X 8mm. GI nut bolts & washers, suitable enclosure made of 2mm thick MS CRCA sheet with GI fixing screws/anchor fasteners etc., complete all as per STD drawing CSG/EM/STD -26 , specifications and as per the instructions of Engineer-in-charge.

Supply, installation, testing & commissioning of copper lightning Arrester in the roof of the building with interconnection etc. as required.

Supply, installation, testing & commissioning of 25 x 6 mm heavily hot dipped GI earth strip for roofs / down conductors fixed on roof/wall/slab/ column with 5mm.thick GI spacers fixed with no. 10 GI wood screws & 2 mm thick GI saddles with GI machine screws, interconnection of earth strip with welded joints and GI nut bolts & washer painting with two coats of metallic paint, etc. instructions of Engineer-in-charge.

Supply, installation, testing & commissioning 32 X 6mm heavily hot dipped GI earth strip for ground conductors fixed with no.10 GI wood screws & 1-2 mm thick GI saddles with G.I machine screws or in ground at 500mm below including excavation in all types of soil/rock with protective backed bricks, temporary reinstatement & back filling of trench, interconnection of earth strip with welded joints and GI nut bolts & washers, painting with two coats of metallic Aluminium paint for above ground portion & painting with two coats of black bituminous compound for earth strip in ground etc. all as per drawing, specifications and as per the instructions of the Engineer-in-charge.

Supply installation testing and comissioning of Maintenance free chemical earthing : Electrode -The Electrode will be a solid steel rod (Copper Cladded Earth Electrode) of 17mm Dia and min 3 mtr length. The thickness of the copper coating will be 250 microns and uniform with tolerance level of 0.1 micron Earth electrode will carry UL Marking and pragati name engraved on each electrode. Earth electrodes will be visually inspected and checked for diamention and length before installation. Electrodes should not get physically crack or depleted in case of bending. (Including excavation and filling of material with the back field compound/Bentonite powder etc.) The electrode to be used to be tested and approved by CPRI Back fill Compound:- The Earth enhancenment material (backfill material ) - Back filled compound must have cmpostion of Carbon, silica,chloride, calcium, tin, Mg, Lead, PBB, PBDE etc.as per the ISO standard,IEC 62561-7 and ISO certified by Govt. of India and "LOHM" compound may be used if ISO certified. (Quantity : As required) . The chamber cover & frame shall be hinged type & it shall be got approved by department.The value of earth resistance and date of measurement shoud be written on the chamber cover with paint.

Supplying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size 3.5C X 150 sq.mm. Al.stranded FRLS XLPE cable Make: Polycab / Finolex / Universal /

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. 3.5C X 150 sq.mm. Al.stranded FRLS XLPE cable Make: Polycab / Finolex / Universal /

End Joints End jointing of following sizes of cable by crimping with supply of all jointing materials like solderless tinned copper cable socket, cable glands, gland earthing, insulation tape, flux, duplicate interconnection between gland earthing strip & to the nearest earthing bus terminals as per the drawings, specifications and as per the instructions of the Engineer-in-charge. 3.5C X 150 sq.mm. Al.stranded FRLS XLPE cable Make: Braco / Cornet / Dowells

Providing, laying and fixing following dia RCC pipe NP3 class (medium duty) in ground complete with RCC collars, jointing with cement mortar 1:2 (1 cement : 2 fine sand) including trenching (75 cm deep) and refilling etc as required. 150 mm dia

Providing and laying in position cement concrete 1:3:6 (1 cement : 2 coarse sand : 6 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Supplying and fixing cable route marker with 10 cm X 10 cm X 5 mm thick G.I. plate with inscription there on, bolted /welded to 35 mm X 35 mm X 6 mm angle iron, 60 cm long and fixing the same in ground as required.

Supplying and fixing Telephone socket outlet modular switch/ socket on the modular plate & switch box including connections etc. as required.

Supply & instalaltion of 105 x 65 mm DLP Al.trunking suitable for surface mounting with 85 mm width cover complete with all accessories such as clip on partitions, end caps, internal angles (Adjustable from 80 - 100 deg C) partition junction for internal angles, base joint,cover joint, clips for 85 mm width cover, flat junction , wire retainers, earth link etc as required and as per instructions of E-I-C Make: Legrand (Part no. 111 11)

Providing, laying and fixing following dia RCC pipe NP2 class (light duty) in ground complete with RCC collars, jointing with cement mortar 1:2 (1 cement : 2 fine sand) including trenching (75 cm deep) and refilling etc as required. 150 mm

Supply, Installation, testing & commissioning of LT Panel with fallowing switch gear and specification as mentioned in the NIT. Incomming-250A MCCB 4P, 50ka 415V having Micro process release, adjustable over current, Earth fault and short circuit protection. Ics=Icu 100% 50ka with ROM & Spreader. Operation should be with extended rotary handle. Outgoing 1,2,3,4,5 - 5 Nos of 100A MCCB 4P, 50ka 415V having Microprocessor release, adjustable Over current, Earth fault, short circuit protection, Ics=Icu 100% 50ka with ROM & Spreader Operation should be with extended rotary handle. Outgoing 6,7,8,9,10 - 5 Nos of 63Amp FP 50KA MCCB, (Ics=100%Icu) with Microprocessor based adjustable over current, Earth fault, short circuit protection releases-2 Nos. with ROM & Spreader Operation should be with extended rotary handle. Outgoing 11,12,13,14,15- 5 Nos of 32 Amp FP 50KA MCCB (Ics=100%Icu) with Microprocessor based release adjustable over current, Earth fault, short circuit protection-6Nos. With ROM & Spreader Operation should be with extended rotary handle.

M/S TATHAGATA ENGINEERING

SUPDEX SERVICES PRIVATE LIMITED