Spl Rep Replacement Of Electric Equipment And Associated Fitting And Wiring At Sub Station No 1 Bldg No P 61 And Pole Structure At Coe Me For Replacement And Improvement To Ring Main Unit At Ins Shivaji Lonavla; 1 Supply, install, testing, commissioning complete 22KV PCVB Ring Main Unit for 7 Nos (01 for incoming and 6 No outgoing) breaker of capacity 630 Amps each, outdoor type IP54 for outdoor protection , copper bus bar of suitable rating with rupturing capacity of 350MVA with enclosure for mounting 07 Nos SF6 Breakers with interlocking arragement as specified in IE Rules & for clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber.SF circuit Breaker shall be front access.rating for single SF6 circuit breaker are as follows:-(Note: Rates shall be inclusive with 07 Nos SF6 Circiut Breakers-01 Nos incoming and 06 No outgoing) including mounting arrangement 75 cm above GL as per specification of mfg instructions incl Desmentling/removing with foundation existing four polr structure along with GODS,cross arms,clamps,nuts and bolts etc and shifting of all HT cable in RMU all as specified and directed by engr-in-charge Location SUBSTATION NO 1(i)Circuit breaker, Rated Current: 630A, closing and Tripping coil: 24v DC, Spring Charging motor : 230V AC, STC:21KA for 03 sec,with powerpack for backup(ii) BIL: 24/50/125KVP(iii)CT Ratio- 200-100/5-5ACore 1 : Burden-10VA, class:1.0Core 2 : Burden-10VA, class:5P10STC :25KA for 1SecBIL: 24/50/125KVPPotential Transformer with 3.15A HT Fuse ( Fixed type)PT Ratio : 22KV/RT3/110/RT3/110/3Core 1 : Burden-50VA, class:1.0Core 2 : Burden-50VA, class:3PBIL: 24/50/125KVPV.F 1.2 are continuous & 1.9 for 8hoursProtection Relay self powered(i) 3 over current +1E/F Relay (RS-485 communicable)(ii) Protection 50,51, 50N.51N, 86(iii) CT Secondary-5AMounting : Flush mounting(v) Aux supply : 24V DC in builtMaster Trip Relay ( Hand Reset Electromechanical type) 2 Item No.01 Contd…..Protection-86Mounting-Flush MountingAux supply : 24V DC Metering Equipment (Incoming & Outgoing)Digital Multifunction Meter (RS-485-Communicable), Class-1.0, Cut out size 92x92, Aux Supply : 230V AC Digital Voltmeter, Class 1.0,Cut out size 92x92, Aux Supply : 230V AC & 12V DCAccessoriesTNT Switch, Contacts: 02 NO & 2NCLocal Remote Switch, Contacts: 02 NO & 2NCSpace heater 100WThermostat Temperature Range: 30-90, 15A 3 Pin socket for 230 V AC Supply Current 1-A Toggle switch, Push button for Trip circuit Supervision check, Contacts:02 NOTB for CT & PT circuit, Disconnecting typeType KUTSD6TB for control circuit, Non-Disconnecting typeFuse control circuit, 8 window AnnuniciatorAux Voltage :230V ACHooter, Aux Voltage :230V ACBattery Charger 5A230V AC I/P & 24 V DC O/PBattery 12 V DC, 7AHIndication LampRed colour lamp, 24 V DC : For Breaker ONGreen colour lamp, 24V DC : For Breaker Off 3 Item No.01 Contd…..Blue colour lamp, 24 V DC : For Breaker Spring ChargeAmber colour lamp, 24 V DC : For Auto TripWhite colour lamp, 24 V DC : For Trip Circiut SupervisionRed colour lamp, 63.5 V AC : For R Phase HealthyYellow colour lamp, 63.5 V AC : For Y Phase HealthyBlue colour lamp, 63.5 V AC : For B Phase HealthyBreaker Rack in and out handleTestingFactory Tests shall be carried out in presence of Rep of Accepting Officer as per IEC standard-62271-100Following test reports for 03 Nos SF6 breaker shall be submitted before applying payments:-(i) Insulation resistance test(ii) Operation time test(iii) Contact resistance test(iv) Pre-insertion resistance (PIR) test (If applicable)(v) SF6 gas leaktest(vi) High Voltage withstand test(vii) Secondary test to ensure the proper functioning of the live line indicators, fault passage indicators and relay(vii) Mechanical Operation TestNote:The contractor should submit detailed drg alongwith specification before placing order and all the breaker should be operated manual mode only. 4 M & L HT 22 KV,3 core,120 Sqmm stranded compact circular aluminium conductor,screen with extruded semi conductor compound in combination with copper tape laid up innersheath of PVC,galvanised steel flat strip armoured and overall PVC sheathed cable confirming to IS 7098 (Part-II) etc complete all as specified and directed. 5 Supply and fix out door type cable end termination joint heat shrinkable type for 22 KV (E) Grade HT cable of size120 sqmm x 3 Core to 240 Sqmm x 3 Core and connecting the cable with the load and testing complete all as specified and as directed by Engineer-in-Charge at site. 6 Supply and fix indoor type cable end termination joint heat shrinkable type for 22 KV (E) Grade HT cable of size120 sqmm x 3 Core to 240 Sqmm x 3 Core and connecting the cable with the load and testing complete all as specified and as directed by Engineer-in-Charge at site. 7 M & LShed for Panel Plinth 3 x 3 x 1 mtr, shed 3 x 3 x 3.3 mtr, made up of steel work in tubular trusses including, special shaped washer etc. complete unsing ERW or induction butt welded tubes conforming to I.S.1161-1979 grade St-240, pre-painted galvaturme aluminum zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in wall, fixed with self tapping screws as specified and as directed by Engineer-In - Charge. 8 Excavatioin in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and taking out soft/loose soil for laying of cable /erection of pole/stay pit excavation 9 All as per Sl item No 6 herein before but in hard/dence soil 10 M&L for crushed stone sand for cable cushoining laid in trenches for protection of cable 11 M&L for Returning and filling including spreading levelling watering and well ramming in layers not exceeding 25 cm 12 M&L for Removing excavated material not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point 13 Supplying and laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm factory made embossed the mark “HT CABLE”laid in trenches as specified and as directed. 14 Supply and lay in trenches / along the wall / floor / on poles / pillars / for road / Nallah crossing,pipes GI light grade of size 100 mm dia with and including all fittings and accessories complete including taking down the old unsv all as specified and and directed for cable protection 15 Cutting and filling with PCC (1:3:6) in bituminus roadas per direction of Engr in Charge for laying of UG cable and match the existing road to the existing system. 16 Supply and installation of Earthing rods for value below of 1 ohms as per following specifications (a) Earthing rod, 25mm pure copper hollow Earthing Rod with strip I pipe Design Length 3m. Copper Terminal of 100x50x5 (b) BFC Compound The BFC is carbide based having very high electrical conductivity. BFC having high moisture retaining capacityBFC is hygroscopic, nonmagnetic and non - corrosive in nature and in ROHS compliant(c ) InstallationThe Earthing electrode will be placed in the ground after a bore is drilled to the depth of 3.5mThe Bore drilling will be done with the help of pneumatic boring machine.] 50KG BFC will be placed in the bore to cover the Earthing rod from all sides. BFC will be poured in slurry form in properly mixed condition .Earth pit cover square 300x300x240mm to be provided to cover the Earth pit.The Earth pit cover shall be made of Reinforced FRP and should be capable of carrying .The weight of 5 tones.Pit cover including brazzing of all the joints upto the test point complete and Earth Pit Indicaation Plate of MS 450x300x5 mm thick welded to AL 50x50x5mm x1.0 Mtr long,painted with one coat of primer and two coats of synthetic enamel paint(black colour)all as specified and directed.Make : U-Protect,Ashok,JEFF Techno.Note : 1) Electrode must be testedfor short crcuit test of minimum 40ka at CPRI/NABL & test certificate of manufacture company submitted by contractor 2) Existing earthing value and After installation companytesting & checked test with earth value certificate provide by contractor. 17 M&L forLoose filling with aggregates of gauge 40 to 80 mm insubstation premises including cleaning of substation complete all as specified and as directed at site by Engineer in Charge . 18 M&L for defect rectification HT/LT cable laid in trenches by locating fault with the help of electronic fault locating machine comprising of surge generator pulse, ECHO fault locator with high frequency distance calculator etc.including and additionalexcavation in normal alluvial strata required forexposing the cable fault ; removal of deteriorated portion of cable treating of cable and keeping the same ready for jointing work for cable of size up to 300 Sq mm 3 core & LT cable of size upto 240 Sqmm. The fault locating equipments will be brought to site within the hours of instruction from Engr-in-Charge as specified. The cable fault location digghing,removing, and after cable jointkitfixingreturning rate shall be deemed to be included in quoted rates. 19 Supply, install, testing, commissioning complete 22KV Ring Main Unit for 6 Nos (01 for incoming and 5 No outgoing) breaker of capacity 630 Amps each, outdoor type IP54 for outdoor protection , copper bus bar of suitable rating with rupturing capacity of 350MVA with enclosure for mounting 06 Nos SF6 Breakers with interlocking arragement as specified in IE Rules & for clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber.SF circuit Breaker shall be front access.rating for single SF6 circuit breaker are as follows:-(Note: Rates shall be inclusive with 06 Nos SF6 Circiut Breakers-01 Nos incoming and 05 No outgoing) including mounting arrangement 75 cm above GL as per specification of mfg instructions incl Desmentling/removing with foundation existing four polr structure along with GODS,cross arms,clamps,nuts and bolts etc and shifting of all HT cable in RMU all as specified and directed by engr-in-charge Location COE(i) Circuit breaker, Rated Current: 630A, closing and Tripping coil: 24v DC, Spring Charging motor : 230V AC, STC:21KA for 03 sec,with powerpack for backup(ii) BIL: 24/50/125KVP(iii)CT Ratio- 200-100/5-5ACore 1 : Burden-10VA, class:1.0Core 2 : Burden-10VA, class:5P10STC :25KA for 1SecBIL: 24/50/125KVPPotential Transformer with 3.15A HT Fuse ( Fixed type)PT Ratio : 22KV/RT3/110/RT3/110/3Core 1 : Burden-50VA, class:1.0Core 2 : Burden-50VA, class:3PBIL: 24/50/125KVPV.F 1.2 are continuous & 1.9 for 8hoursProtection Relay self powered(i) 3 over current +1E/F Relay (RS-485 communicable)(ii) Protection 50,51, 50N.51N, 86(iii) CT Secondary-5AMounting : Flush mounting(v) Aux supply : 24V DC in builtMaster Trip Relay ( Hand Reset Electromechanical type) 20 Item No.17 Contd…..Protection-86Mounting-Flush MountingAux supply : 24V DC Metering Equipment (Incoming & Outgoing)Digital Multifunction Meter (RS-485-Communicable), Class-1.0, Cut out size 92x92, Aux Supply : 230V AC Digital Voltmeter, Class 1.0,Cut out size 92x92, Aux Supply : 230V AC & 12V DCAccessoriesTNT Switch, Contacts: 02 NO & 2NCLocal Remote Switch, Contacts: 02 NO & 2NCSpace heater 100WThermostat Temperature Range: 30-90, 15A 3 Pin socket for 230 V AC Supply Current 1-A Toggle switch, Push button for Trip circuit Supervision check, Contacts:02 NOTB for CT & PT circuit, Disconnecting typeType KUTSD6TB for control circuit, Non-Disconnecting typeFuse control circuit, 8 window AnnuniciatorAux Voltage :230V ACHooter, Aux Voltage :230V ACBattery Charger 5A230V AC I/P & 24 V DC O/PBattery 12 V DC, 7AHIndication LampRed colour lamp, 24 V DC : For Breaker ONGreen colour lamp, 24V DC : For Breaker Off 21 Item No.17Contd…..Blue colour lamp, 24 V DC : For Breaker Spring ChargeAmber colour lamp, 24 V DC : For Auto TripWhite colour lamp, 24 V DC : For Trip Circiut SupervisionRed colour lamp, 63.5 V AC : For R Phase HealthyYellow colour lamp, 63.5 V AC : For Y Phase HealthyBlue colour lamp, 63.5 V AC : For B Phase HealthyBreaker Rack in and out handleTestingFactory Tests shall be carried out in presence of Rep of Accepting Officer as per IEC standard-62271-100Following test reports for 03 Nos SF6 breaker shall be submitted before applying payments:-(i) Insulation resistance test(ii) Operation time test(iii) Contact resistance test(iv) Pre-insertion resistance (PIR) test (If applicable)(v) SF6 gas leaktest(vi) High Voltage withstand test(vii) Secondary test to ensure the proper functioning of the live line indicators, fault passage indicators and relay(vii) Mechanical Operation TestNote:The contractor should submit detailed drg alongwith specification before placing order and all the breaker should be operated manual mode only. 22 M&L for removing / dismantling existing burnt / defective 22 KV (E) Grade HT straight through joint and providing new straight through joint heat shrinkable type for 22 KV (E) Grade HT XLPE cables of size120 sqmm x 3 Core to 300 Sqmm x 3 Core Sqmm complete all as specified and as directed by Engineer-in-Charge at site 23 M & L earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.’25 mtr below normal ground level) with top edge of the plate not less 1.5 mtr below normal ground level connected to galvanized earth plate using galvanised iron strip 25×4 mm as earthing lead by means of suitable size of GI nuts, bolts, check nuts and washers all as specified in electrical plate SSR Part I including necessary .Exc & earth work, providing charcoal and salt dust layers and construction of PCC pit in 1:3:6 using 20 mm size graded stone aggregate, precast RCC 40 mm thick cover in 1:2:4 type B 1 with 12 mm dia steel MS plain bar, lifting handle GI pipe of 50 mm bore for earth lead protection andGI pipe 15 mm dia forwatering, with funnel and wire mesh including testing on completion. 24 M&L for Earth Pit Indicaation Plate of MS 450x300x5 mm thick welded to AL 50x50x5mm x1.0 Mtr longfixed on PCC block of size 200 x 200mmx 200mm, plate painted with one coat of primer and two coats of synthetic enamel paint(black colour) and marking such as location,date,ohm etc by white colour all as specified and as directed by Engineer-in-Charge. 25 M&L for 22 KV HT cable routemarker inMSround Plate of dia 15 cm x 8 mm thick welded made on AI 50 x 50 x5 mm x 1.0 Mtr long angle iron fix on PCC block of size 200 x 200mmx 200mm,Painted with one coat of primer and two coats of synthetic enamel paint (Black Colour) duly mentioning22 KV HTin 25 mm MSletter grouted on plate and fixing on ground above the cable of every 50 meter length. all as specified and as directed by Engineer-in-Charge.
