Corporation Of Chennai-COC has published Supply And Commissioning Of 1250 Kva Transformer And Availing Of Ht Supply For 14000 Cum Bio Cng Gas Plant 2 Units At Pallikaranai Old Dumping Ground In Div 188 Zone 14 For Swm Department Supply And Commissioning Of 1250 Kva Transformer And Availing. Submission Date for this Tender is 15-11-2021. Transformer Supply Tenders in chennai Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Neutral Earth : Supply of 100 mm diacast iron pipe copper plate earth electrode of size 600x600x3.15mm at a depth of 3000mm filled with salt, charcoal etc., construction of chamber, providing heavy duty concrete cast slab, painting & making etc., & as per the technical specification. For Neutral |
| 2 | Body Earth : Erection of 100mm dia Cast Iron earth electrode of10" length buried in ground as per IS with necessary connecting clamps, watering arrangement &fasteners etc.as per technical specifications For Body Earth |
| 3 | Supplying mild steel rods upto 16mm dia including cutting bending hooks cranking fabricating assembling and laying in exact position tieing with soft steel wire 16 or 18BWG etc. complete for all RCC works |
| 4 | Supply of following size Copper Flats & Wires with necessary fastners - 25x6mm Copper flat for Transformer, MV Panel body earthing as per technical specifications |
| 5 | Supplying and erecting shuttering including necessary supports for plane surface in foundation and basement for RCC column footings pintol blocks plinth beam staircase steps critical steps critical piers etc. using mild steel sheets of size 90x60cm and 10 gauge stiffened with welded mild steel angles of size25x25x3mm for boarding laid over silver Oak (country wood) joistsof size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cmcentre to centre etc.complete. |
| 6 | Neutral Earth : Installation, testing & commissioning of 100 mm diacast iron pipe copper plate earth electrode of size 600x600x3.15mm at a depth of 3000mm filled with salt, charcoal etc., construction of chamber, providing heavy duty concrete cast slab, painting & making etc., & as per the technical specification. For Neutral |
| 7 | Supply of following size Copper Flats & Wires with necessary fastners- 50x6mm Copper flat for Transformer Neutral earthing as per technical specifications |
| 8 | Supplying clean Crushed Stone Sand (Commercially called M Sand) Sand sand and filling in regular layers of 15cm thick each including watering, consolidating etc. complete for foundation, basement, etc. |
| 9 | Laying of following size Copper Flats & Wires with necessary fastners - 25x6mm Copper flat for Transformer, MV Panel body earthing as per technical specifications |
| 10 | Laying of following size Cu Flats & Wires with necessary fastners- 50x6mm Copper flat for Transformer Neutral earthing as per technical specifications |
| 11 | FENCING & EARTHING: Supplyof Fencing to a height of 1.8mtrs above ground level and a retaining brick wall all round the height of 1 feet above ground leveling supply of GI verticle members of 75x 40 x 6mm MS channels at 1.5mtrs interval and tie angle at top with 25 x 25 x 6mm MSangle with frame andthree inches wire mesh coated with aluminium paint and fence earth as per technical specifications |
| 12 | Supply of 1250kVA,11kV/433V, Dyn11, ONAN, Outdoor Type, copper, double Wound, ENERGY EFFICIENT [LEVEL-2] Transformer with OLTC, RTCC & AVR Type with a tappingrange of +5% to -15% in steps of 1.25% with standard fittings and accessories as per IS:1180 as per specifications |
| 13 | Erection, testing, commissioning of 1250 kVA,11kV/433V, Dyn11, ONAN, Outdoor Type, copper, double Wound, ENERGY EFFICIENT [LEVEL-2] Transformer with OLTC, RTCC & AVR Type with a tappingrange of +5% to -15% in steps of 1.25% with standard fittings and accessories as per IS:1180 as per specifications |
| 14 | Gates : Supply of gates size of2mtrs height and 2Nos.1.2mtrs wide made of 50 x 50 x 6mm MS angle cross support fixed on 2nos 100 x 50 x 6mm MS channels andpad lock arrangements with base plate, Painting offence,doors and fencing supports with 2 coats of redoxide and 2 coats of aluminium paint as per specifications |
| 15 | Supply of Outdoor MV Panel :- Panel Size : 1925 mm H 3200 mm x W1200 x D 600mm Bus barP = 2 x125x10 mm, Al Flat, N = 1x125x10 mm Al Flat, E = 50x6mm Al Flat Incomer: 2000 A, TPN 50 KA MDO ACB- 1 No. a. Multifunction Meter- 1 No. b. CT - 3 Nos c. 2 RYB Indication Lamps - 1 No. d. 6 A 1P MCB - 1 No. Outgoing: a. 800 A TPN 50 KA MDO ACB - 2 Nos b. 250 A TPN MCCB - 2 Nos ,Rotary handle operating mechanism - 2Nos, Speeder link - 2 Set c. 125 A TPN MCCB - 2 Nos Rotary handle operating mechanism - 2 Nos,Speeder link - 2 Set |
| 16 | FENCING & EARTHING Erection of Fencing to a height of 1.8mtrs above ground level and a retaining brick wall all round the height of 1 feet above ground leveling supply of GI verticle members of 75x 40 x 6mm MS channels at 1.5mtrs interval and tie angle at top with 25 x 25 x 6mm MSangle with frame andthree inches wire mesh coated with aluminium paint and fence earth as per technical specifications |
| 17 | Erection of 2000 Amps Main Voltage Panel with crane & Technical staffas per specifications |
| 18 | Leveling of yard for 40mm blue metal to a height of 75mm over 100mm sand bedas per specifications |
| 19 | Gates : providing of gates size of2mtrs height and 2Nos.1.2mtrs wide made of 50 x 50 x 6mm MS angle cross support fixed on 2nos 100 x 50 x 6mm MS channels andpad lock arrangements with base plate, Painting offence,doors and fencing supports with 2 coats of redoxide and 2 coats of aluminium paint |
| 20 | END TERMINATION: Supply and Erection of 3 C X 240 Sq.mm HT Cable Kit (PWD SOR ITEM NO-7 d) |
| 21 | Body Earth : Supply of 100mm dia Cast Iron earth electrode of10" length buried in ground as per IS with necessary connecting clamps, watering arrangement &fasteners etc. as per technical specifications For Body Earth |
| 22 | HT CABLES: Supply of 3 C X 240 Sq.mm HT Cable (PWD SOR ITEM NO-6 a) as per specifications |
| 23 | Spreading of yard for 40mm blue metal to a height of 75mm over 100mm sand bedas per specifications |
| 24 | Plain Cement concrete work 1:4:8 (1 cement, 4 Crushed Stone Sand (Commercially called M-Sand) and 8 blue granite broken stone jelly 40mm gauge) including consolidation curing, etc. complete for foundation, etc. upto basementas per specifications |
| 25 | Supply of 350 KVAR APFCR PANEL (For 1000 KVA Transformer)with 7% Harmonic Reactors fabricated out of 14/ 16 Swg CRCA and powder coated to Siemens gray shade. The panel will be equipped with following.EB Incomer : 1Nos - 800A, 4P, 50kA MDO ACB with Micro processor based releasesBUS BAR: 800A 50kA Aluminium Busbar of color coded non-mettallic matt finish paint and SMC Bus bar supports. OUTGOING: 4 No - 63 A TP, 25KA MCCB with Thermal magnetic release. 4 No - 100 A TP, 25KA MCCB with Thermal magnetic release. 2 Nos - 10KVAR Cap.Duty Con with 7% Detuned Reactor.2 Nos - 15KVAR Cap.Duty Con with 7% Detuned Reactor. 4 Nos - 25KVAR Cap.Duty Con with 7% Detuned Reactor.4 Nos - 50KVAR Cap.Duty Con with 7% Detuned Reactor. 12 Step APFCR Relay iii) RYB Indicating Lamps ofLED Clustered type andControl MCB"sshall be provided. as per specifications |
| 26 | Erection, testing and commissioning of APFCR LT Panels (For 1000 KVA Transformer) as per specification |
| 27 | Earth work excavation for foundation in all kinds of soils invarying depths including dismantling any masonry or roots met with in foundation shoriEarth work excavation for foundation in all kinds of soils invarying depths including dismantling any masonry or roots met with in foundation shoring with planks and bailing water if necessary, clearing levelling the site with initial lead and including refilling the sides with excavated earth etc. complete as per specification |
| 28 | Supplying river sand and quarry rubbish/ stone dust and filling in regular layers of 15cm thick each including watering consolidating etc. complete for foundation basement etc. |
| 29 | ACB OUTDOOR PANEL- For 800 KVA Transformer - Supply of fllor mounting cubical type LT switch board fabricated out of 14/ 16 Swg CRCA and powder coated to Siemens gray shade. The panel will be equipped with following. INCOMER: 1 nos - 1250A 4P 50KA MDO ACB. BUS BAR: 630A 50kA Aluminium Busbar of color coded non-mettallic matt finish paint and SMC Bus bar supports as per specifications |
| 30 | Erection, testing and commissioning of ACB Outdoor LT Panels(For 800 KVA Transformer) as per specifications |
| 31 | RING MAIN UNIT: Erection, testing, commissioning of 11kV, 630 A, 26.3kA Outdoor Ring Main Unit Panel with 2 LBS Incomer and 1 VCB Outgoing and necessary11 KV VCB panelat Consumer side as per technical specifications (For 800 KVA Transformer) |
| 32 | RING MAIN UNIT: Supply of 11kV, 630 A, 26.3kA Outdoor Ring Main Unit Panel with 2 LBS Incomer and 1 VCB Outgoing and necessary11 KV VCB panelat Consumer side as per technical specifications |
| 33 | Providing and laying in position ,Standardised Concrete Mix M 20 Grade in accordance with IS :456-2000,using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and m,aximum water cement ration of 0.55, including admixture (Plasticiser/Superplasticier) in recommended proportions as per IS:9103 to accelerate ,retard setting of concrete,improve workability without impairing strength and durability with about (5.0 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand, nut excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with mechanical vibrators,finishing,curing,etc and providing complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standrands.(No separate payment will be made by the Department for the excess usage of materials) |
| 34 | Plastering with cement mortar 1:4 (1 cement and 4 Crushed Stone Sand (Commercially called M-Sand))12mm thick including curing, etc., complete |
| 35 | SOLID BLOCKS 40X20X20 CM Supplying and fixing Solid Blocks of following size confirming to S.S. 2145-1965 (including jam blocks closers etc.) made in CC 1:3:6 (One Cement Three Sand and Six HBSJ 6 mm) in CM 1:5 (one cement and five sand),for masonry wall partition wall including curing neat finishing etc. complete |
| 36 | LT CABLES: Laying, Testing & Commissioning of 4 C X 300 Sq.mmof 1.1KV grade Aluminium Conductor armoured power cables Insulation of XLPEas per specifications |
| 37 | LT CABLES: Supply of 4 C X 300 Sq.mm of 1.1KV grade Aluminium Conductor armoured power cables Insulation of XLPEas per technical specifications |
| 38 | HT CABLES: Laying of 3 C X 95 Sq.mm HT Cable as per technical specifications |
| 39 | Satuatory approval; Liasioning with The Chief Electrical Inspector to Government of Tamilnadu for preparation & submission of drawings and documents etc., obtainingapproval for drawing & Safety Certificate. The cost shall Including submission of handing over document with As built. as per technical specifications |
| 40 | Safety Items- 1.Supply & fixing of Shock Treatment chart in Tamil& English languages duly laminated. 2. Supply of Insulation of Rubber mats of size 2m x 1m confirming to Latest ISlaying in front of the panels. 3. Supply & fixing of First aid box containing full compliment of medicines, ointments & bandages etc., 4. Supply & fixing of 5kg dry powder type fire extinguisher or equivalent approved make with ISI mark including necessary fixing brackets. 5. Supply & Fixing of A2 size colored As fitted Single line drawing duly laminated / framed in Utility electrical room. 6. Supply & Installation of cast iron HT/LT cable route markers with necessary angle iron supports & civil works. 7. Supply of Hand gloves tested for 15KV with ISI mark. 8. 4sets of Fire bucket filled with sand mounted on stand. 9. 11KV Reflector Danger Board. 10. 433V Reflector Danger Board. Etc.. |
| 41 | Laying of ISI marked 110 mm dia HDPE Pipesas per specifications |
| 42 | Supply of ISI marked 110 mm dia HDPE Pipes as per specifications |
| 43 | LT Earthing: Erection of LT Earthing 50 mm dia 3 meter long GI Pipeas per specifications |
| 44 | LT Earthing: Supply of LT Earthing 50 mm dia 3 meter long GI Pipe as per specifications |
| 45 | Supply of gland with termination for 4 core x 300 Sqmm LT Cable as per specifications |
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