PROVISION OF DEDICATED 11 KV (UNDERGROUND CABLE) WITH CONNECTED ACCESSORIES AT MH SAUGOR UNDER GE SAUGOR

Amount

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

S & F XLPE cable end termination, cold shrinkable, outdoor type, suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core 95 sqmm complete all as specified and as directed.

S & F cable jointing kit for 6.35 kV/ 11 kV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed.

Supply and fix in repairs HT cable route indicator made of RCC M15 (Nominal Mix) using 12.5 mm nominal size crushed stone aggregate of size 200 mm (Length) X 200 mm (Width) X 1200 mm (Height) duly painted with cement base paint and written in white colour with lettering "MES HT Cable/ HT Straight Joint" using two coats of synthetic enamel paint in black colour & including necessary earthwork and excavation, embedded in PCC M15(Nominal Mix) using 20 nominal size graded crushed stone aggregate of size 400 mm X 400 mm X 300 mm complete all as specified and as directed.

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including preparing and painting on steel tubular swaged pole 410 SP-22 (8.50 metre long) including cross arms, GI brackets, PCC coping complete all as specified and as directed comprising the following: - (a) Two coats of synthetic enamel paint in white colour over a coat of primer on PCC coping (b) Making 4 Nos of strips of 30 cm wide in alternate red and white colour using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer (c) Providing 30 cm wide retro reflective sheet of 30 cm wide, grade 1, pressure bonding type, red colour as per IS 14221: 1995 (d) Two coats of synthetic enamel paint in red colour over a coat of primer from top of electric pole to downward upto 1 metre length including cross arms, GI brackets etc. (e) Writing pole number and voltage level encompassed by circle of suitable dia using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer (the colour of base shall be black and the colour of font shall be white). Number and voltage level shall be handwritten, and circle shall be stencilled. (f) Painting with two coats of aluminium paint over a coat of aluminium red oxide primer on remaining exposed portions

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

S & F 11 kV polymeric composite pin insulator, conforming to IEC 61109, material of core (FRP rod): borron free ECR, material of sheds: silicon rubber, material of top end fittings: spheroidal graphite cast iron, malleable cast iron or forged steel, material of bottom end fittings: forged steel, sealing compound for end fitting: RTV Silicon, colour of sheds: grey, rated voltage: 11 kV, highest voltage: 12 kV, dry power frequency withstand voltage: 60 kV, wet power frequency withstand voltage: 35 kV, dry power frequency flashover voltage: 75 kV, wet power frequency flashover voltage: 45 kV, dry lightning impulse withstand voltage: (a) Positive: 75 kV, (b) Negative: 80 kV, dry lightning impulse flashover voltage: (a) Positive: 95 kV, (b) Negative: 100 kV, RIV at 1 MHz when energised at 10 kV / 30 kV (rms) under dry condition < 50 microvolt, creepage distance (minium): 300 mm, minium failing load: 5 kN complete all as specified and as directed.

Supply, fixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in hard/ dense soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling, hand punning down complete all as specified and as directed. Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply & laying unreinforced precast concrete cable cover class HV type 2, flat shape, dimension 450 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and as directed.

Supplying & laying in trenches, in road cutting and along pole 100 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

S & F gang operated air break switch as per IEC 62271-103 amended upto date, rocking/ tilting type, suitable for both horizontal and vertical mounting, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated frequency 50 Hz, continuous current rating 200 Amps, rated short time withstand current for one second 20 kA, rated peak withstand current for one second 50 kA, rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), minimum isolating distance in open position 310 mm, phase to phase clearance 750 mm, minimum cross sectional area of fixed contact 300 sqmm, minimum cross sectional area of moving contact 250 sqmm, copper connector having minimum cross sectional area of 250 sqm, maximum current density of 1.6 Amps/ sqmm for all current carrying parts, single number of brake per phase, medium grade galvanised iron pipe of 32 mm nominal bore and 5 to 6 metre length in single piece for operating pipe, pad-locking in both ‘on’ and ‘off’ positions with indicators, electroplated nonferrous parts, hot dip galvanised ferrous parts, 3 Nos polymer post insulator per phase as per IEC 61109 amended upto date having rated voltage 12 kV, minimum creepage distance 300 mm, impulse withstand voltage 75 kV, wet power frequency withstand voltage 35 kV, dry wet power frequency withstand voltage 35 kV complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

S & F earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 25 mm X 4 mm galvanised mild steel strip complete all as specified and as directed.

Supplying, installing, testing and commissioning outdoor type HT. rated voltage 12 kV, 3 Phase, 4 wire, 50 Hz, metal-enclosed switchgear with control panel board comprising one number of VCB (Vacuum Circuit Breaker), LSC2B-PM. Classification, Classification lAC AFLR and Internal arc 26.3 kA 1s, floor mounted as per IEC 62271-200 and including relay control panel board, indoor type and mutually and distantly connected with switchgear panel complete all as specified and as directed comprising the followings: - (A) 630 Amps VCB (vacuum circuit breaker), outdoor type, draw out type, manual/ motor spring charge type, totally enclosed metal-clad switchgear, rated voltage - 12 kV, operating voltage 11 kV, rated short duration power frequency withstand voltage- 28 kV, rated lighting impulse withstand voltage- 75 kV, rated frequency - 50 Hz, rated normal current - 630 Amps, rated short-time withstand current -26.3 kA, rated peak withstand current – 66 kA, rated duration of short circuit - 3 sec, rated operating sequence– O-0.3 Sec-CO-3-min-CO- 1 No (B) Potential transformer, 11 kV, 11000/110 volts shall be provided for VCB- 1 set (C) Current transformer 50-25/5-5 amps shall be provided for VCB- 1 Set (D) Relay control panel, indoor type distantly connected with outdoor VCB and shall comprised the following: - (i) The Non directional, digital, three overcurrent and one earth fault protective relay, current transformers, Ammeters, Voltmeters, and test terminal block shall be provided for VCB. (ii) The LED Indicating Lamps shall be provided for VCB and shall be as under: - (a) Red and green colour to indicate ON/OFF conditions of VCB. (b) Amber colour to indicate tripping on fault conditions of VCB. © White colour with push button to indicate trip circuit healthy conditions of VCB. (d) Blue colour to indicate spring charge condition of VCB. (E) Armoured control copper cable of size 8 core 2.5 sqmm, 4 core 2.5 sqmm and 2 core 2.5 sqmm as per the site requirement. Note: - (a) Prior approval of the schematic diagram of the Panel shall be obtained from the Engineer-in-Charge. (b) Factory inspection shall be carried out by the rep of the GE prior to dispatch. (c) Any minor civil works shall be done by the contractor and the rate quoted shall be inclusive of these aspects. (d) The contractor shall provide schematic diagram, operating manual, safety precautions, shock treatment chart, maintenance chart etc. duly printed on 6 mm thick laminated sheet and the rate quoted shall be inclusive of these aspects. (e) Testing and commissioning of VCB, relay etc. shall be carried out in the supervision of the rep of the manufacturer. (f) DC/AC supply for VCB panel shall be connected with the existing HT panel room at the substation and the rate quoted shall be inclusive of these aspects.

Supply and fix metal oxide surge arrester without gap for AC system as per IEC 60099-4: 2014, outdoor type, polymer housing, single column and single phase construction, distribution class, heavy duty, nominal discharge current 10 kA, repetitive charge transfer rating (Qrs) more than 0.4 C, thermal charge transfer rating (Qth) more than 1.1 C, nominal system voltage 11 kV, highest system voltage 12 kV, rated voltage of arrester 9 kV, continuous operating voltage 7.2 kV, temporary overvoltage (10.50 kV for 1 s, 9.90 kV for 10 s, 9.35 kV for 100 s), rated short circuit current 20 kA, low short circuit current 600 A, insulation withstand level (lightning impulse voltage 1.2/ 50 µs) 75 kV, lightning impulse residual voltage (8/20 µs) at nominal discharge current maximum 30 kV, high current impulse withstand capability (4/10 µs) 100 kA, minimum creepage distance 300 mm complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and as directed.

POONAM ELECTRIC INDUSTRY

M/s VIKAS TRADERS

dipangashu barick and associates

M/S SHIVA TRADERS

BHARADWAJ BROTHERS

M/S JAINENDRA KUMAR JAIN