PROVISION OF TRANSFORMER FOR AUGMENTATION OF POWER SUPPLY AT MULTI FACILITY AREA (P-158) AT INA EZHIMALA

Amount

Excavation in trenches not exceeding 1.5 m in width and depth and getting out in hard and dense soil complete all as specified and as directed by Engineer-in-Charge.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in hard dense soil complete all as specified and as directed by Engineer-in-Charge.

Forming embankments with soil including raising (or lowering) earth, spreading in layers n exc. 30 cm thick; watering, ramming/rolling and finishing to required size, shape, etc., n exc. 1.5 m high from base complete all as specified and as directed by Engineer-in-Charge.

M&L for Hardcore using broken stone of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and as directed by Engineer-in-Charge.

All as per item No 1.00 above but depth exceeding 1.5mtr and getting out in hard and dense soil complete all as specified and as directed by Engineer-in-Charge. Note for item No 1 & 6: a) Prior approval of station HQ is to be obtained to avoid damages of other co-existing utility services b) The excavation shall be done manually.

Material and labour for mass concrete filling in foundation with PCC 1:4:8 using 40 mm graded stone aggregate, type D2 complete all as specified and as directed by Engr in charge.

M&L for providing pre-cast cement concrete block masonry with solid blocks, exc.10cm in width with PCC (1:3:6), type C1, using 20mm graded stone aggregate and set in cement mortar (1:6) complete all as specified and directed.

Material and labour for cement concrete as 1:2:4 using 12.5 mm graded stone aggregate, type B0 as in coping complete all as specified and as directed by Engr in charge.

M & L for 15mm thick rendering in CM 1:4 on fair faces of brick work or concrete surfaces finished even and smooth (without using extra cement) complete all as specified and as directed.

M&L for framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165

Material and labour for Plain cement concrete 1:2:4, type B1, using 20mm graded stone aggregate as in plinth protection, 50mm thick finished even and smooth without using extra cement all as specified and as directed.

Material and labour for Plain cement concrete 1:2:4, type B1, using 20mm graded stone aggregate as in filling for hold fast all as specified and as directed.

Material & Labour for applying Two coats of 100% Premium acrylic interior emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal/algae resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives, @ 1.43 ltr per 10sqm over and including priming coat of exterior primer applied @ 0.9ltr per 10sqm including preparation of new plaster surface all as specified and as directed.

M&L Preparation of new steel surfaces of any description over 10 cm in width or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer all as specified and as directed.

Removal of excavated soil to a distance not exceeding 50 m and depositing at a level not exceeding 1.5 m from starting point complete all as specified and as directed by Engineer-in-Charge.

Returning and filling in including levelling watering and well ramming into layers not exceeding 25 cm in hard/dense soil complete all as specified and as directed by Engineer-in-Charge.

Supplying and spreading, compacting riddled earth for cushioning and covering of the UG cable in trenches complete all as specified and as directed by Engineer-in-Charge.

Supply and lay un-reinforced precast concrete cable cover class HV, type 1, size 300 mm x 180 mm x 40 mm complete all as specified and as directed by Engineer-in-Charge.

Supply and lay un-reinforced precast concrete cable cover class LV, type 1, size 250 mm x 150 mm x 40 mm complete all as specified and as directed by Engineer-in-Charge. Note for item No 19 and 20: Contractor has to produce PCC cable cover test certificate from the manufacturer.

Material and labour for cutting the existing road/hard standing made of concrete or premix carpet, WBM, soling and moorum filling including excavating for laying the cable/pipe, width 0.5m and depth 0.7m all as directed and making good the road/hard using pre mix bituminous as required at site to match with the existing surface complete all as specified and as directed by Engineer-in-Charge. NOTE: Breaker machine diamond cutter shall be used all as directed by Engr-in-charge .

Supply and fix GI tubing light grade 80 mm nominal dia in trench/ road/ pole for cable protection including taking out unserviceable pipes complete all as specified and as directed by Engineer-in-Charge.

Supply and fix GOD handle required as per existing all as directed by Engr-in-charge.

Supply and fix Lightning arrestor, expulsion type complete with all fittings and transmission class discharge capacity 65 kilo amps suitable for 11000v grade. (Each set of three) complete all as specifed and directed.

Supply and fix Gang operated Air break switch triple pole mechanically operated on insulators and steel frame with operating mechanism, worked from ground level for current rating up to 200 Amps, 11000 volts including taking down the existing unserviceable switches complete all as specified and as directed by Engr-in-charge.

Supply and fix in replacement of Pin insulator porcelain vitreous white, brown or green insulator including one galvanised mild steel straps, washers, insulator bolts, washers and nuts and one galvanised steel nut 150 mm dia 150 mm height suitable for 11000volts grade all as specified and directed by Engr-in-charge.

Supply and fix MS channel, Cross arms bracings supports clamps and back plates 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 inclusive of one primer coat, one under coat and one finishing coat of paint including taking down the unserviceable MS sections complete all as specified and as directed by Engr-in-Charge.

Material and labour for mass concrete filling in foundation/ coping/ wall with PCC 1:3:6 using 40 mm graded stone aggregate, type C2 as site requirement complete all as specified and as directed by Engr in charge.

Supply and fix in replacement of 11KV HT drop out fuse units of capacity upto 25Amps complete with all accessories including insulator and steel frame etc.(Each set of three) all as specified and as directed. Make Power grid switch gears/Goyal electric works/ BG Brothers

Supply and spread granite trap or basalt coarse aggregate size of 50mm to 20mm grade for the outdoor substation/ structures/ RMU after levelling the existing surface complete all as specified and as directed by Engr in charge.

Supply and fix in replacement route indicator for marking of HT/ UG cable of any size with cast iron round plate of 100 mm dia suitably fitted with and including MS angle iron 40x40x5mm with GI nut, bolt and washers, MS angle grouted in PCC block of 20x20x30cm including necessary earthwork and painting the iron surface with two coats of synthetic enamel paint over a coat of zinc chromate primer complete all as specified and as directed.

Supply and erect steel tubular swaged pole, type 410SP 55 (11m long) complete with CI base plate including 3 coat of bituminous paint for the embedded potion and two coat of aluminium paint over a coat of red oxide primer complete all as specified and as directed by Engineer-in-Charge.

Supply and joint Cable end termination joint, heat shrinkable type, suitable for 3 core 95 sqmm, HT 11 KV (Earthed) XLPE, insulated cable ,outdoor type with all connected accessories and jointing materials complete all as specified and as directed by Engineer-in-Charge.

M&L for Earthing complete with GI earth plate electrode 600 x 600 x 6.0mm buried directly in ground vertically to a depth not less than 2.25 M below GL with top edge of the earth plate not less than 1.5 M below normal GL connected with GI strip 32x6mm by means of bolts, nuts check nut and washers of GI and earth strip protected by GI pipe 40mm bore light grade and watering pipe 20mm bore GI pipe medium grade including one test point for testing purpose with funnel and connected to switch/control board upto 7.5m away from earth electrode including earth work, PCC (1:3:6) type C-1 chamber, RCC (1:2:4) type B-1cover slab 50mm thick with 8mm dia TMT bars reinforcement both ways at 140mm C/C, charcoal, salt, water pipe, wire mesh, lugs etc and testing complete all as applicable and as per Plate No.3 of SSR 2009 complete all as specified and as directed. Note : The unit rate shall also include for excavation, earth work in hard/dense soil PCC (1:3:6) type C1 pit, RCC cover slab, GI funnel with 40 mm dia watering pipe, wire mesh, 50mm dia light grade GI protection pipe for earth lead etc., complete as directed.

M&L for Earthing complete with GI earth plate electrode 600 x 600 x 6.0mm buried directly in ground vertically to a depth not less than 2.25 M below GL with top edge of the earth plate not less than 1.5 M below normal GL connected with GI wire 4mm dia by means of bolts, nuts check nut and washers of GI and earth strip protected by GI pipe 20mm bore light grade and watering pipe 20mm bore GI pipe medium grade including one test point for testing purpose with funnel and connected to switch/control board upto 7.5m away from earth electrode including earth work, PCC (1:3:6) type C-1 chamber, RCC (1:2:4) type B-1cover slab 50mm thick with 8mm dia TMT bars reinforcement both ways at 140mm C/C, charcoal, salt, water pipe, wire mesh, lugs etc and testing complete all as applicable and as per Plate No.3 of SSR 2009 complete all as specified and as directed. Note : The unit rate shall also include for excavation, earth work in hard/dense soil PCC (1:3:6) type C1 pit, RCC cover slab, GI funnel with 20 mm dia watering pipe, wire mesh, 20mm dia light grade GI protection pipe for earth lead, charcoal or coke and common salt etc., complete as directed.

Supply and fix 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 32 x 6mm galvanised steel strip. All as specified and as directed by Engr-in-charge.

Supply and fix 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 25 X 3mm Aluminium strip. All as specified and as directed by Engr-in-charge.

Supply, installation, testing and commissioning of step down transformer 11 KV/ 433 Volts (at no load) 3 Phase 50 Hz,160 KVA, copper wound, outdoor type, with off load tap changing arrangement of HT side to vary secondary voltage upto ± 7.5 % in step of ± 2.5% including suitable cable entry boxes both on HT and LT to receive 95 sqmm 3 core XLPE cable on HT side complete in all respect with std. accessories and fitment confirming to IS-1180 Part-I of 2014/IS-2026, Dyn -11 connection complete all as specified and directed. The salient features of Transformer shall be as follows :- (a) Transformer shall be oil immerse, naturally self cooled double wound copper, winding core type, MS radiater cooled tank complete with first fill of transformer oil plus 5% spare oil as per IS 335 of 1980 with test certificates with on cooling system. (b) Rating and diagram plates (c) Earthing terminals = 02 Nos (d) Lifting lugs. (e) Thermometer pocket (f) Air release hole with plug (g) Winding/Oil temperature indicator (h) Conservation with oil level indicator (j) Castors with locking provision (k) Silica Gel breather complete Note : The rates Quoted include for supplying transformers with standard fittings,connecting with electrical system, earthing, testing and commissioning. Make of Transformer: KEL/ABB/ITE Gurgaon/Schnieder/Megawin Switchgear/Resitech

Incoming

(i) MCCB, 4 pole, 415 Volt 250 Amps capacity with 36 KA with adjustable thermal magnetic trip unit/release with Ics= 100% Icu qty 01 No.

OUTGOING

(i) MCCB, 4 pole, 415 Volt, 200 Amps capacity with 36 KA with adjustable thermal magnetic trip unit/release Ics= 100% Icu - 1 Nos.

(ii) MCCB, 4 pole, 415 Volt, 63 Amps capacity with 16 KA with adjustable thermal magnetic trip unit/release Ics= 100% Icu - 1 Nos.

Incoming

(i) MCCB, 4 pole, 415 Volt,200 Amps capacity with 36 KA with adjustable thermal magnetic trip unit/release with Ics= 100% Icu qty 01 No.

OUTGOING

(i) MCCB, 4 pole, 415 Volt, 160 Amps capacity with 25 KA with adjustable thermal magnetic trip unit/release Ics= 100% Icu= 1 Nos.

(ii) MCCB, 4 pole, 415 Volt, 63 Amps capacity with 16 KA with adjustable thermal magnetic trip unit/release Ics= 100% Icu= 1 Nos.

Supply, laying and testing LT cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3.5 core all as specified and directed.

S & F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size all as specified and directed.

Green Ray Enterprises (BID ID -3512408)

ELSOL ENGINEERS (BID ID -3516205)