Central Electrochemical Research Institute Tender

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

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required.

Above 35 sq. mm and upto 95 sq. mm

Above 95 sq. mm and upto 185 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp)

Above 95 sq. mm and upto 185 sq. mm (clamped with 25/40x3mm MS flat clamp)

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.

3Y X 35 sq. mm (32mm)

3Y X 50 sq. mm (35mm)

3Y X 150 sq. mm (50mm)

3Y X 400 sq. mm (82mm)

Excavation for cable trenches in soft soil, depth upto 1.2 m including dressing of sides lift upto 1.5 m, including getting out the excavated soil, refilling with sand and or good soil after laying of cable/ pipe etc in layers of 20 cm, ramming, watering and disposal of surplus excavated soil as directed, within a lead of 50 metres.

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Cast Iron Body Earthing : Providing cast iron pipe earth pit with 2000mm long 100mm dia 7mm thick cast iron pipe including excavation, refilling with salt, charcoal, natural soil and providing masonry cover etc.,complete in all aspects as required.

MV Panel Battery testing facility : Supply, Erection Testing and commisioning of floor mounting cubicle type MV Panel fabricated out of 14 SWG CRCA sheet steel, complete with required Ms frame of adequate strength, painintg etc., conforming to the enclosed specifications and comprising the following main bus bar of 400 A, TPN, Electrolytic copper bus, 3 phase of 50 x 6 mm per phase, 50x3 mm copper bus bar for neutral and 2 Runs of 20x3mm copper bus all around the panel for earth, [Please refer enclosed provisional drawing and the panel shall be conforming to IE rules, IS:8623/93,CEA & CPWD guideance] etc., as required. INCOMMER: 1 No 400A, TP&N, 415V, 50HZ, 36/50KA, TMPU MCCB with adjustable thermal, fixed magnetic releses along with suitable front operted handle,spreader links and phase barriesrs simialr to DPX3 630 series of Legrand Make or Equivalent in Schneider /Siemens/MG/ABB. 1 no. of Multifunction energy meter to be mounted in the panel for measuring the electrical parameters (VIFPE) as required.Make- L&T,AE, HPL- Socomec, Krykard or Equivalent as approved by the department. 1set of square flush type instrument meters confirming to IS:1248 for accuracy and shall be suitably protected with MCB/Fuses as per standards. MISC' voltmeter scaled (0-600V) and Ammeter of 600A range.Make : AE/IMP/MECCO 1 set of voltmeter and Ammeter selector switch 3 nos of indication lamps of LED type with toggle switch. 3 nos of potential fuses and CT's as required. 1 set of blank gland plate OUTGOING: 3 Nos 200A, TP&N, 415V, 50HZ, 25KA, TMPU MCCB with adjustable thermal, fixed magnetic releses along with suitable front operted handle,spreader links and phase barriesrs simialr to DPX3 250 series of Legrand Make or Equivalent in Schneider /Siemens/MG/ABB. 5 Nos 100A, TP&N, 415V, 50HZ, 16/18KA,TMPU MCCB with adjustable thermal, fixed magnetic releses along with suitable front operted handle,spreader links and phase barriesrs simialr to DPX3 160 series of Legrand Make or Equivalent in Schneider/Siemens / MG / ABB. Note: All the incoming units are to be provided with door interiors, phase barriers and protection guards ( on the incoming side) the non conducing metallic parts of the switch gear shall be double earthed. All interior tappings & connctions shall also be electrolytic copper.Incomer Terminations shall be suitable for receivig underground cables. Cable terminations shall invariably be through terminal blocks ( Polymide of superior) or brought out solid terminals. (a) Supply

(b) Erection, testing and commissioning of the above panel including removing the existing change over switch unit, existing cables, along with making provision for the cable trenches,cable looses, excavation,other allied civil works etc and angle iron channels of required size & qunatity for housing the panel as per standards, complete in all aspects as required as per site condition.

8 Way MCCB VTPN DB: Supplying and fixing 12 way surface/ recess MCCB mounting, 415 volts, vertical type TPN MCB distribution board (with wire way/cable end box) of sheet steel,dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCB's, along with 100 A,16/18 KA TPN MCCB, phase barrier and spreaders for incomer, interconnection between DB incomer and the bus bars/Existing mains shall be made with copper cables of appropriate rating as required. The VTPN DB shall be mounted on a adequate size angle/flat and grouted/ fixed (drilling,cutting welding painting etc) firmly in the existing wall/ existing base channel as required as per site condition complete in all aspects. The above DB shall include the following 'C' series, 10 kA MCB's in the out going circuits TP MCB-63A-2 Nos TP MCB-32A-3 Nos SP MCB-6-32A-6 Nos . SP MCB 40-63A-3 Nos. Blanking plates -As required. Make : ABB/Legrand /Schneider /Siemens/Hager or equivalent subject to the approval of the department.

12 Way MCCB VTPN DB: Supplying and fixing 12 way surface/ recess MCCB mounting, 415 volts, vertical type TPN MCB distribution board (with wire way/cable end box) of sheet steel,dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCB's, along with 160 A,16/18 KA TPN MCCB, phase barrier and spreaders for incomer, interconnection between DB incomer and the bus bars/Existing mains shall be made with copper cables of appropriate rating as required. The VTPN DB shall be mounted on a adequate size angle/flat and grouted/ fixed (drilling,cutting welding painting etc) firmly in the existing wall/ existing base channel as required as per site condition complete in all aspects. The above DB shall include the following 'C' series, 10 kA MCB's in the out going circuits TP MCB-63A-4 Nos TP MCB-32A-4 Nos SP MCB-6-32A-12 Nos Blanking plates -As required. Make : ABB/Legrand /Schneider /Siemens/Hager or equivalent subject to the approval of the department.

Removing & Shifting the existing 160 kVA Generator: Reomving and shifting the existing 160 kVA generator along with the frame and the cahnge over panel by engaging all means and materials as required as per site condition including crane charges if any from the BTF to the stroes section or any other area within the institute premises as directed by the engineer in charge.