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| 1 | Disconnecting all electric cables and connections from the existing VCB's, taking down, depositing in MES store yard and Supply, install & commissioning of 11 KV VCB, 630 Amps with copper bus bar of 50x10mm & rupturing capacity of 315 MVA with sufficient clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber. VCB shall have following features - (i) Circuit breaker, Rated Current : 630A, closing and Tripping coil : 240V DC, Spring Charging motor : 230V AC, STC : 26.3KA for 03 seca) PT - Three Phase Top Mounted Resin Case PT: 11000V / √3 / 110V / √3 /, Cl 1, 50VA / Cl3P, 50VA.b) 200-100 /5+5A ; 7.5VA/ CL.1 +7.5 VA / CL. 5P10 c) Digital Ammeter - 96 Sq MM with s/sd) Digital Voltmeter - 96 SqMM with s/se) Digital MFM - 96 Sq MM with s/sf) 01 No O/C Relay g) 01 No E/F Relay h) Electromechanical Type Master Trip Relayi) Electromechanical Type Aux Relay for Transformer faultj) Indication Lamps - VCB – ON --- RedVCB – OFF --- GreenAuto Trip --- AmberTrip Ckt. Healthy --- WhiteSpring charged. --- Blue |
| 2 | Item No. 1 Continued :-R, Y, B - PhaseBreaker in Service and Breaker in Testk) Breaker Control Switch --T-N-C -Non Lockable type.l) Heater with Thermostat & Switch.m) LR Switchn) P.B. --- Trip Ckt. Healthy Chko) Panel Illumination Lamp with switchp) Socket with Switchq) MCB & Contactorr) Power pack -- 230VAC to 110VDCs) 8 Window Annunciator with Hooter |
| 3 | Disconnecting all electric cables and connections from the existing VCB's, taking down, depositing in MES store yard and Supply, install & commissioning of 11 KV VCB, 800 Amps with copper bus bar of 50x10mm & rupturing capacity of 315 MVA with sufficient clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber. VCB shall have following features - (i) Circuit breaker, Rated Current: 800 A, closing and Tripping coil : 240V DC, Spring Charging motor : 230V AC, STC : 26.3KA for 03 seca) PT - Three Phase Top Mounted Resin Case PT : 11000V / √3 / 110V / √3 / , Cl 1 , 50VA / Cl3P, 50VA.b) 200-100 /5+5A ; 7.5VA/ CL.1 +7.5 VA / CL. 5P10 c) Digital Ammeter - 96 Sq MM with s/sd) Digital Voltmeter - 96 Sq MM with s/se) Digital MFM - 96 Sq MM with s/sf) 01 No O/C Relay g) 01 No E/F Relay h) Electromechanical Type Master Trip Relayi) Electromechanical Type Aux Relay for Transformer faultj) Indication Lamps - VCB – ON --- RedVCB – OFF --- GreenAuto Trip --- AmberTrip Ckt. Healthy --- WhiteSpring charged. --- BlueR,Y,B PhaseBreaker in Service and Breaker in Testk) Breaker Control Switch --T-N-C -Non Lockable type. |
| 4 | Item No. 2 Continued :-l) Heater with Thermostat & Switch.m) LR Switchn) P.B. --- Trip Ckt. Healthy Chko) Panel Illumination Lamp with switchp) Socket with Switchq) MCB & Contactorr) Power pack -- 230VAC to 110VDCs) 8 Window Annunciator with Hooter |
| 5 | Supply and fix HT 33 KV out door type gang operated air-break switch suitable for horizontal or vertical mounting, fixed type complete with 9 insulators and with earth switch upto 400 Amps complete all as specified and directed. |
| 6 | Supplying, fixing, jointing and testing heat shrinkable cable end joint, Indoor type with and including jointing materials suitable for 11 KV, XLPE cable of size 120 sqmm, 3 core, complete all as specified and directed. |
| 7 | Supplying, fixing, jointing and testing heat shrinkable cable end joint, out door type with and including jointing materials suitable for 11 KV, XLPE cable of size 120 sqmm, 3 core, complete all as specified and directed. |
| 8 | Supply, Laying, jointing and testing underground cable heavy duty, 11000 Volts, XLPE (earthed) insulated and sheathed, armoured with multi-stranded aluminium conductor cable, laid in trenches/ducts or fixed to poles/walls or laid under roads/paths/drains/culverts duly encased in galvanised steel pipe of suitable sizes complete all as specified and directed of 120 sqmm 3 core size. |
| 9 | Supply & lay in trenches double walled corugated HDPE pipe 110 mm dia for protection of under ground cablesincluding pipe couplers with seal, bends, end covers etc complete all as specified and directed |
| 10 | Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for taking out pipe line etc for repairs / laying cables etc and getting out in soft / loose soil complete all as specified and as directed by the Engineer - in - Charge. |
| 11 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by the Engineer - in - Charge. |
| 12 | Removal of excavated material [soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by the Engineer - in - Charge. |
| 13 | S&F in replacement RCC route marker/indicator of size 0.30 m x 0.15 m x 1.50 m complete including embossing \\" HT CABLE\\" painting with one coat of primer and two coats of oil paint as per colour coding as directed for exposed surfaces, including necessary excavation, PCC 1:2:4 complete all as specified and directed by Engr-in- Charge. |
| 14 | M&L for 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 sizes as indicated or directed and inclusive of one primer coat and two coats of aluminium paint complete all as specified and directed. |
| 15 | S&F PVC insulated and FR PVC Round Sheathed, Copper Conductor armoured industrial cable, 1100 Volt, 2.5 Sqmm 12 core conforming to IS 697 complete all as specified and directed. |
| 16 | Supply, stringing, stretching and binding in replacement with insulator, ACSR conductor (Weasel/ferret/Mink) on HT Poles including providing of necessary jumpers, protective sleeves for jumpers, connecting all existing incoming and outgoing connections, etc all as specified & directed. |
| 17 | Suppy and fix in replacement polymer pin insulator with hardware for 33 KV line all as specified and directed. |
| 18 | Supply and fix in replacement polymer Disc insulator with hardware fitting for 33 KV line all as specified and directed. |
| 19 | M&L for GI Strip earthing complete with galvanized steel plate electrode 600 mm x 600 mm x 6.0 mm thick, buried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm size by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of strata, 20 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., including taking down old unserviceable earthings complete all as specified and directed. Please Enable Macros to View BoQ information |
