South Eastern Coalfields Limited-SECL has published Tender For Planning, Design, Engineering, Construction, Fabrication, Supply, Erection, Trial Run And Commissioning Of 2 X 6.3 Mva, 33/6.6-3.3 Kv Township Substation On Turnkey Basis At Kusmunda Area, Secl As Detailed In Nitand Boq. Submission Date for this Tender is 22-12-2022. Substation Tenders in Korba Chhattisgarh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 16-Nov-2022 | DATE CORRIGENDUM | Date | 22-12-2022 |
| Sl. No. | Item Description |
| 1 | DESIGN AND ENGINEERING COST(for 2X6.3 MVA, 33/6.6-3.3 kV TOWNSHIP SUBSTATION) |
| 2 | Design and Engg onPLANT & MACHINERY ( P&M - Electrical) to be supplied by bidder inlcusive of Overhead constuction cost, Contigencices, but excluding GST |
| 3 | Design and Enggon Civil & Structural work |
| 4 | CIVIL CONSTRUCTION AND STRUCTURAL WORKSfor 2X6.3 MVA, 33/6.6-3.3 kV TOWNSHIP SUBSTATION on Turnkey Basis at Kusmunda inclusive of Insurance,Contingencie but excluding GST |
| 5 | Sub-station Building |
| 6 | Outdoor steel structures |
| 7 | Foundation of outdoor structures including Transformer foundation |
| 8 | Cable Trench |
| 9 | Barbed wire fencing |
| 10 | Boundary wall |
| 11 | Gate |
| 12 | Road |
| 13 | Surface dressing |
| 14 | Stone laying |
| 15 | Anti weed treatment |
| 16 | Bore well with submersible pump |
| 17 | Path way |
| 18 | Security Room |
| 19 | RC sump and Pump House |
| 20 | Shed for DG & oil filter unit |
| 21 | Drain along boundary wall |
| 22 | Parking Shed |
| 23 | Oil Overflow Chamber |
| 24 | Oil Drain Pipe |
| 25 | Survey & Soil testing |
| 26 | SUPPLY OF PLANT & MACHINERY inclusive of Overhead Construction cost, Insurance, Contingencies, but excluding GST forsubstation ( 2X6.3 MVA, 33/6.6-3.3 kV TOWNSHIP SUBSTATION ) |
| 27 | Isolators, 33 kV (nominal),3 poles, pole mounted, 1250 A, 25 kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker (minimum 2 sets) |
| 28 | Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250 A, 25kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker with Earthing switch (min. 4 sets) |
| 29 | Isolators, 33 kV (nominal), 3 poles, pole mounted, 630 A, 25 kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker (min. 2 sets) |
| 30 | Isolators, 33 kV (nominal), 3 poles, pole mounted, 630 A, 25 kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker with Earthing switch (min. 2 sets) |
| 31 | Isolators, 33 kV (nominal), 3 poles, pole mounted, 630 A, 25 kA, with D.O. Fuses. (min. 4 sets) |
| 32 | Lightning Arrestors, station class, 30 kV,10 kA, suitable for 33 kV, solidly earthed (each set consists of 3 nos.) with counters/surge monitors (min. 6 sets) |
| 33 | Single phase current transformer ,outdoor type with required CT ratio for 33 kV system for metering and protection (1 set consists of 3 units for 3 phase supply) min.5 sets |
| 34 | Potential transformer ,outdoor type 33kV, 100 VA each 33/v 3 kV/ 110/ v 3 V for metering and protection each for three phase system (min. 2 sets) |
| 35 | Vacuum Circuit Breaker, 33kV,630 A/1250 A, outdoor type, 25 kA with remote control panel having IDMTL relay for O/L and E/F protection, ammeter, energymeter (min. 5 sets) |
| 36 | Power Transformer outdoor type plinth mounted 33/6.6-3.3kV, 6.3 MVA, ONAN cooled, DY-11 conforming to IS:2026 (current) having OFF-LOAD tap changer on HV side and LV neutral effectively earthed through required value of Resistance ( Restricted Neutral System) with all accessories including 33 kV remote control panel for on load tap changer as per IS:3639 (Current) with the rating as given below 2 sets Rated kVA: 6300 Rated Voltage(primary):33000V Rated Voltage(secondary):6600-3300V Connection and vector group:Dy11 |
| 37 | Neutral Grounding Resistors with Protection ( min 2 sets) |
| 38 | 3.3 kV switch-board, indoor type, 13 panel, with vacuum circuit brakers 75 MVA symmetrical breaking capacity ( 1 set). The function of each panel is as given below: All panels will conform to IS:3427 (Current) and relevant parts to IS:2516 ( current). These will be provided with cable entry boxes. The incoming panels will be provided with restricted earth fault protection. All panels will be provided with IDMTL relays for over current and earth fault protection. The incoming and outgoing panels shall be provided with Trivector meters. |
| 39 | 6.6 kV switch-board, indoor type, 13 panel, with vacuum circuit brakers 75 MVA symmetrical breaking capacity (1 set). The function of each panel is as given below: All panels will conform to IS:3427 (Current) and relevant parts to IS:2516 ( current). These will be provided with cable entry boxes. The incoming panels will be provided with restricted earth fault protection. All panels will be provided with IDMTL relays for over current and earth fault protection. The incoming and outgoing panels shall be provided with Trivector meters. |
| 40 | Station Transformer,outdoor type rated as follows: (min 1 set) Rated kVA: 160 Rated Voltage(primary):33000 V Rated Voltage(secondary):433 V , Cu wound , Plinth mounted |
| 41 | Lighting Transformer,outdoor typerated as follows: (min. 1 set) Rated kVA: 100 Rated Voltage(primary): 33000 V Rated Voltage(secondary): 230V(L-L) , plinth mounted |
| 42 | 415V switch board, indoor type with 4 nos MCCB having O/L, S/C and E/L protection, 25 MVA symmetrical breaking capacity (All out going panels will be provided with ammeter, and incoming panel with ammeter and voltmeter). ( min. 1 set) |
| 43 | 230 V (L-L) Main Lighting Distribution boards ( min. 1 set) |
| 44 | Capacitor bank, 6.6 kV indoor type 1500 kVAR including APFC. (min. 2 sets) |
| 45 | Capacitor bank, 3.3 kV indoor type 500 kVAR including APFC. (min. 2 sets) |
| 46 | Battery (110 V) lead Acid type, 200 AH and battery charging (with one stand bye battery charging unit) equipment, control panels, wooden racks etc. |
| 47 | Earthing system (Safe Earth Electrode type) including earth pits, required galvanised strips/flats for inter connection etc. |
| 48 | Lightning protection system consisting of spikes, earth pits, galvanised strips/flats, shield conductors etc. |
| 49 | Luminaries |
| 50 | Decorative, 1x12/15/18W and 2x15/18 W LED (req.rating) light fittings |
| 51 | Suitable rating LED Bulbs for indoor lighting |
| 52 | Tubular steel poles,11m height along with 90 W LED lamps with fittings |
| 53 | Lighting masts, 16m height (Min) along with required nos. of 200 W LED lamps with fittings. |
| 54 | 90 W LED fitted on substation building |
| 55 | Emergency lighting system suitable for operation on 110 V DC supply in substation building. |
| 56 | Accessories such as sub distribution board, junction boxes, individual control cables, PVC conduits/ casings, back up fuses, switches, sockets, ceiling roses, single core PVC cable with copper conductors, flexible wire etc. |
| 57 | Cable and accessories |
| 58 | HT power cable, 6600 V grade, XLPE, FRLS, Copper conductor |
| 59 | HT power cable, 3300 V grade, XLPE, FRLS, Copper conductor |
| 60 | LT Power cable, 1100V grade, PVCSWA, 10 sq. mm.(minimum), 3/4 core copper stranded conductors |
| 61 | Outdoor Lighting cable, 1100V, PVCSWA , 2 cores, 10 sq mm (minimum) stranded Al conductors |
| 62 | Outdoor Control cables, 1100V grade, PVCSWA, not less than 2.5 sq mm , copper conductors of with required number of cores |
| 63 | Wires for internal wiring of 1.5 sq mm and 6 sq mm size, PVC insulated copper conductor cable of 1100 V grade. |
| 64 | Cables for internal control wiring of illumination, ceiling fans, power sockets etc. 2.5 sq mm size, PVC insulated copper conductor of 1100 V grade |
| 65 | Cable trays, cable racks, binding materials, cable glands/lugs, cable jointing kit, bolts, nuts, washers, termination kit etc. |
| 66 | Overhead conductors,Insulators,Towers, poles, insulators, strung bus, ACSR conductors, steel hardware etc for 33 kV sides in the out door 2 pole structure fitted with gang operated AB switch, lightning arrester etc for out going feeders |
| 67 | Fire Fighting System |
| 68 | Fire fighting equipment consisting of fire hydrants hose cabinets, hose reels, valves, pipes, fire detection alarming system, Nitrogen injection fire prevention and extinguishing system for transformers,diesel pump, electric pump with electricals and cables , jockey pump etc |
| 69 | Supply of portable fire extinguisher system |
| 70 | Sand buckets with stand |
| 71 | Miscellaneous items |
| 72 | Room air conditioners, 1.5 t capacity min. ( 5 star rating ) including servo stabilizer |
| 73 | Supply of 63 kVA Diesel Generator set (silent type) with 3 ph, 50 Hz ,415 V output supply with cable, change over switch and earthing etc (min. 1 set) |
| 74 | Exhaust fans, 600 mm sweep. |
| 75 | Ceiling fan ,1200 mm sweep along with electronic regulator |
| 76 | Water cooler with water purifier (min. 1 set) |
| 77 | Vacuum Cleaner Set ( min. 1 set) |
| 78 | Erection and commissioning of Plant and Machinary for substation to be suplied by bidder as above inclusive of Overhead Construction cost, Insurance, Contingencies , but excluding GST |
| 79 | Training of O&M staff |
| 80 | Store cost for maintenance of P&Mduring Defect Liability Period (DLP) of five years. |
| 81 | Cost of Maintenace during during Defect Liability Period (DLP) of five years. |
| 82 | Total impact of GST for the purpose of CTC |
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