PROVN OF 200 KVA TRANSFORMER AND 160 KVA CAPACITY DG SET FOR MH PULGAON UNDER GE PULGAON

Amount

Supply, installation, testing and commissioning copper wound step down (11/0.433 KV) step down transfromer outdoor type complete with standard fitting, HT ,11 KV, 3 Phase, LT 433 volts, 3 Phase, 4 Wire, 50 HZ, oil immersed natural cooled with externally cooling tube copper type delta connected on primary (HV side) and star connected on secondary (LV side) in accordance with vector symbol DYN 11 ( vector group 4 and Level - III ) with naturally brought on secondary (LV side) and having taping at +/- 2.5% , +/- 5%,+/- 7.5% to be changed by means of hand operated tap changer when measured by resistance matter after continous full load run in ambiant temperature 50⁰C rating of capacity 200 KVA. The transformer shall be complete with all standard fittings and accessories, gauges, first fill of transformer oil upto appropriate level etc, all as per IS 1180 (2014) with amended No1, 2,3 & 4 Level -III with latest norms as per IS and all jointing material connected with electric system earthing etc complete including platforms as per manufacturer design complete all as specified and directed comprising following accessories:- Note:- (i) The cost of PCC foundation for transformer will be measured and paid separately under respective items. (a) One cable box HV side consisting of 3 Nos porcelain terminal points including nuts, bolts, washers with 2 numbers cable gland suitable for 3 core120 Sqmm HT UG cable. (b) Suitable cable box on LV side (secondary side) for mounting LT cables consisting of 04 nos of porcelain with brass bushing rod complete with nut, bolts, washers and with two numbers cable glands suitable for LT UG cable providing with bimetalic. (c) Oil conservator tank with filter type drain valve and oil level guage. (d) Dehydration breather assy with first fill of dehydrating agent . ......Continue from item No.1.00

......Continue from item No.1.00 (e) Explosion vent with diapharm. (f) Thermometer pocket on tank cover including thermometer. (g) Dial type thermometer vapour pressure having range 0-120 degree C with max reading pointer max temp indicator and resetting device. (h) Rating plate with terminal marking. (j) 02 earthing terminal on tankand cover for fixing earth strip of size 32x6mm. (k) Oil level gauge and oil drain filter valve. (l) Lifting hook and lugs. (m) Oil filler hole with cap /plug with connection complete. (n) Air relief valve plug. (o) Detachable rollers -04 Nos (p) cooling radiators (q) drain cum bottom oil filter valve. (r) Transformer base. (s) Extra bushing for Neutral out side the cable box for independent earthing for neutral earth. (o) First fill of fresh transformer oil confirming to relevant IS and tested up to 60 KV die electric strength.

Excavation in trenches not exceeding 1.5 metre wide & not exceeding 1.5 meter in depth for foundation ,laying of cable or pipe ( where provide for protection of cable or fixing poles and stay and getting out in soft/loose soil including trimming the sides and forming bottom surfaces to required levels complete all as specified and as directed.

All as per item Sr. No.2.00 herein-before, but of depth exc. 1.5 mtr.

Returning filling in trenches around pipe with earth obtained from excavation incl spreading, watering & consolidating in layers not exceeding 25cm thick complete all as specified and directed.

Removal of surplus soil to a distance not exc. 50 M & depositing where directed at a level not exceeding 1.5 M above the starting point complete all as specified and directed.

Supply and lay dry river sand in trenches to required width at bottom and top of cable as in cable cushioning including spreading, leveling, watering and punning complete all as specified and directed. Note :Punned thickness only shall be measured and paid seperately.

Supply and laying reinforced precast concrete cable cover ,class HV type 1 flat size 300 mm X 180 mm X40 mm complete all as specified and directed.

Supply and laying reinforced precast concrete cable cover ,class LV type 1 flat size 250 mm X 150 mm X 40 mm complete all as specified and directed.

Material and labour for PCC 1:3:6 type C-2 ( by using 40 mm graded crushed stone aggregate ) as in foundation filling and mass concrete of stay assembly/ pole etc complete all as specified and as directed.

Material and labour for PCC (1:2:4) type B-1 (by using 20mm graded crushed stone aggregate) as in coping foundation, filling and mass concrete including frame work for poles complete all as specified and directed

Supplying and laying XLPE cable 11000 volts grade system, heavy duty, XLPE insulated screened PVC bedded galvanised steel strip wire around electric cable of aluminium conductor layed in trenches, induct, on pole, as required at site including of testing of cable 3 core 120 sqmm (Earthed) complete all as specified and directed.

Supply and laying and fixing along the pole or passing through the pipe or laid under floor or through walls etc jointing and testing LT cross linked polythene insulated (XLPE insulated) galvanised steel strip wire around electric cable 1100 volts grade heavy duty ISI marked with aluminimum conductor and over all served with an over sheathed of PVC, and of size 3.5 core 185 sqmm including cable glands made out of finned brass double compression type complete all as specified and directed.

All as per item Sr. No.12.00 herein-before, but Cable of size 3.5 core 120 sqmm, complete all as specified and directed.

All as per item Sr. No.12.00 herein-before, but Cable of size 3.5 core 95 sqmm, complete all as specified and directed

All as per item Sr. No.12.00 herein-before, but Cable of size 3.5 core 70 sqmm, complete all as specified and directed

All as per item Sr. No.12.00 herein-before, but Cable of size 3.5 core 50 sqmm, complete all as specified and directed

All as per item Sr. No.12.00 herein-before, but Cable of size 3.5 core 25 sqmm, complete all as specified and directed

All as per item Sr. No.12.00 herein-before, but Cable of size 2 core 16 sqmm, complete all as specified and directed

Supply and fixing cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XPLE armoured aluminium cable of size 3 core 120 sqmm complete all as specified and directed.

Supply and fixing cable jointing kit for 11 KV (earthed) grade cable for indoor termination heat shrinkable type end terimination joint complete with jointing material and accessories suitable for 3 core XPLE armoured aluminium cable of size 3 core 120 sqmm complete all as specified and directed.

Supply, errecting and fixing in true vertical position, steel tubular swaged pole (410 SP-55) confirming to IS 2713 (Part 1 to 3) 11 mtr complete with cast iron base plate, pole cap/ final taper plug, bolts,nuts, washers including two coats of black bituminious paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint complete all as specified and directed. Note: Excavation, earth work and PCC foundation will be measured and paid separately.

Material and labour for switch air break gang operated triple pole mechanically operated mounted on HT insulators (12 insulator type) with DO fuse unit insulator barrel type fuse of suitable rating and MS galvanised steel frame with operating mechanism worked from ground level incl operating rod and operating handle with 11 KV insulation for current rating up to 200 Amp 11000 volts complete all as specified and directed.

Material and labour expulsion type surge arrester (lightning arrestors) confirming to IS-3070 (Part-1) having voltage rating 12 KV, rated frequency 50 Hz, nominal discharge current 65 KA (heavy duty) expulsion type transmission class for outdoor use, non linear resistor type, horn gap and choking coil complete with all fittings suitable for 11 KV, 3 phase earthed distribution system complete all as specified and directed

Material and labour for mild steel cross arms, bracings supports, clamps and back plates fabricated from structural steel sections, channel including nuts, bolts, washers welding, bending cold or not, 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 complete all as specified and as directed.

Material and labour for disc type insulator, porcelain, vitreous 145mm high and 255 mm dia ball and socket type, white, brown or green, single disc assembly for tension with tension clamps of GI including provision of nuts and bolts for conductors, working pressure 11000 volts grade, complete all as specified and directed.

Material and labour for 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 MS clamps, bolts and nuts of approved size for HT , 25 cm x20cm size complete all as specified and directed.

Supply and laying galvanized steel tubing , light grade 80 mm bore laid in trenches / fixed pole /wall or laid in any position complete with all fitting light grade complete all as specified and directed.

Supply and laying galvanized steel tubing , light grade 50 mm bore laid in trenches / fixed pole /wall or laid in any position complete with all fitting light grade complete all as specified and directed.

Material & Labour for Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate not less than 1.5m below ground level connected to galvanized iron earth strip 32 x 6 mm by means of bolts, nuts, check nuts, washers of galvanized iron and connected to main switch/control board upto 7.5m away from the earth electrode including excavation earth work, PCC chamber, RCC cover slab char coal, watering pipe, wire mesh lugs, earth lead protection pipe 15mm bore, light grade 7.5m long as applicable and as per plate No. 3 of SSR 2009 ,complete all as specified and directed. (a) Excavation and earth work in any type of soil. (b) Drilling of holes in electrode (c) PCC pit in cement concrete (1:2:4) type B-1 (d) 40 mm thick Pre-cast RCC cover with suitable handle. (e) Funnel with watering pipe of GI 20 mm nominal bore ,medium grade & copper lug etc. (f) 50 mm nominal bore medium grade GI protection pipe 7.50 m long for protection of earthing lead. (g) Requisite quantity of charcoal and common salt. (h) Connection to earthing test point and testing on completion.

Supply, Installation and commissioning of APFC panel with CRCA sheet 3.15 mm thick and CPRI approved outdoor (double door) cubical type IP-56 confirming to IS 61439 part-I&II, of capacity 100 KVAR,440 Volts ,50 Hz , AC detuned dynamic type with the following details:- (a) The 100 KVAR at 440 volts ,3 phase ,50 Hz AC graded AC automatic power factor correction panel shall be having a 14 % detuning series reactor ,alongwith capacitor of 525 Volts rating in suitable KVAR rating to form a resonating circuit on 134 HZ. (b) Output resolition : The dynamic detuned APFC Panel should have output resolution of 100 KVAR at 440 volts, 50Hz, banking on the panel shall be such that net compensation shall be (step as 25+25+10+10+10+5+3+3+2+2+2+1+1+1 KVAR) (c) Detuning reactors: Detuning reactor shall be tunned to a frequency of 134 HZ, enabling it to supress hormonic order 3rd, 5th and above. Rating upto 25 KVAR and above shall be made of aluminium foil winding terminated on to copper busbar of suitable rating. This shall be incorporated to temperature limiting device for thermal protection. Linearity of series reactor must be 0.95 XL for current upto 1.73 XII. (d) Capacitor: Internally delta connected 3 Phase capacitor unit having rated voltage of 515 volts, 50 Hz AC should be used in series with the reactors to form detunned bank to delivered output and tunning frequency. The capacitor should confirm the standards of IS:1330000/IEC 60831. This shall be tripple concrentric wound type with wave cut film and vacuume impregnated moisture free nitrogen gas. Capacitor shall be UL Approved. (e) Thyrestors Switching Modules:The solid state switching module complete with and thyrestor and other necessary components to have capability of switching as fast as 20mins and switching at "Zero crossing" of the current. The module should be made up of 2200 volts Peak Inverse Voltage(PIV) device to ensure realiable operation over time. (f) suitable capacity of MCCB for incomer of APFC panel -01 No

Supply, installation, testing & commissioning of diesel engine driven silent generating set sound proof acoustic enclosure (canopy CRCA sheet 3.15 mm thick & noise level below 75 decible/M) with AMF panel inside the canopy, prime rating 128KW/160 KVA at Pulgaon, 1500 RPM, 3phase, 415 volt, 4 wire, 50 Hz and power factor 0.8, complete all as specified and comprising the following and set of tools and maintenance spares with OEM assembled engine, alternator and acoustic enclouser. (A) ENGINE PRIME MOVER:- Suitable for driving 128KW/160 KVA alteranator, liquid cooled, four stroke, six cylinder, battery start diesel engine, fuel tank of adequate capacity for 8 hrs running, confirming to latest BS/IS specification rated for continuous running capable of taking 10% over load for one hour in any 12 hrs operation, complete taking into consideration duration due to altitude/temp, mounted on MS frame pedestal support with the following standard accessories:- (i) Fly wheel to match with the flexible coupling disc (ii) Flexible coupling with guard (iii) Air cleaner paper element type (iv) Lubricating oil filter fuel filter flow element type (v) Fuel pump (vi) Radiator with fan (vii) Governor for class A2 governing all as per OEM specifications and latest IS standrard. (viii) Starter motor for electric start complete with charging alternator lead and acid maintenance free battery 02 No 12 V DG manufacture recommended with 2 years guarantee, battery leads with the copper conductor of adequate size and length. Diesel Engine control Panel complete with remote mounting system and comprising of all standard fitment as per manufacture's specification, ON/OFF switch multi purpose meter with indication of ampere, voltage, hours, RPM, temperature, fuel position, power factor instrument panel duly wired into prime mover and lubricating oil temperature, lubricating oil pressure, battery charge ampere, push button start/stop, high water temperature etc complete all as specified and directed by Engr-in-Charge. ......Continue from item No.32.00

......Continue from item No.32.00 (B) ALTERANATOR :- 128KW/160 KVA at pulgaon 0.8 power factor at pulgaon, brushless self exicted, self regulated, 3 phase, 50 Hz, 415 volt 1500 RPM, 4 wire screen protected class 'H' insulation, drip proof three from simulation problem continous rating conforming to IS 4722 or as per the latest IS specification complete with the automatic voltage regulator out put voltage regulated between +/-1% on set voltage from No load to full load. (C) AUTOMATIC MAIN FAILURE PANEL:- AMF Panel for 128KW/165 KVA DG set, fabricated out of sheet steel (factory made), suitable mounting type inside the acoustic enclosure, mild steel sheet fabricated construction, mounting hinged from panel for easy accessibility with suitable rated bus bar, internal wiring and with provision for connecting out going leads with the accessories all as per OEM specificaion all as specified and directed . D) SOUND PROOF ACOUSTIC ENCLOSURE :- Adequate ventilation for gen set cooling air requirement. Absorbent/insulating material used is fire radient. Suitable thermal lagging to avoid localised heating of adjoining part of exhaust. Easy access to service points on gensets. Temperature of enclosure does not exceed beyond 7 degree of ambient temp. 75 DbA at 1 mtr Distance as per latest CPCB-2 norms. NOTE:- (a) Phase-I : No load test for 01 hours in the presence of Engineer -in-Charge. (b) Phase-II : Load test for 12 hours continuously (at 25 % of Full load for first on hour , 50% of full load for second one hour,75 % of full load for third one Hour,100% load for next 08 hours and 110% of full load for last one hour) respective type load bank,fuel testing instruments as required for load testing shall be arranged by the contractor and cost of the same shall be deemed to be incl in the quoted rate. (i) PCC block/platform for installation of DG set as per OEM instruction shall be included in the quoted cost. (ii) Testing arrangement of DG set shall be included in the quoted cost. (iii) Load test shall be carried out by the contractor in the presence of testing officer or IEM by deptt.

Material and Labour for construction of platform with PCC block masonry platform of size 3mx3mx1m height (PCC1:3:6) type C1 ( using 20 mm graded stone aggregate) built in CM 1:4 complete with and including necessary excavation & earth work, ( PCC1 :4:8 ) type D-2 as in foundation rendering 15mm thick rendiring in CM1:6 on sides and top of the brick work upto 150 mm below ground level, supply and fixing 02 Nos MS Channels of size MS 100 for balancing of Transformer embedded in PCC (1:2;4) Type B-1, top surface of platform shall be provided with 100mm thick RCC (1:2:4) Type B-1 (using 20mm graded stone aggregate) reinforced with 10mm steel TMT bar including provn of steps in one side of platform and all the outer face of platfrom shall be given with two coat of white wash complete and for installation transformer of capacity 200 KVA including chainlink fencing around transformer, LT panel and two pole structure of size 10mtr X12 mtr X1.8 mtr) with angle iron of 50x50x6mm with necessary PCC 1:3:6, type C1 (using 20 mm graded stone aggregate) complete all as specified and directed.

metro electrical services

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metro electrical services

Electromech Engineers