Public Works Department-PWD has published Tender For Supply Installation Testing And Commissioning Of 11 Kv/433 V 250 Kva Transformer At Pumping Station No.10 At Taleigao Near Community Hall. Submission Date for this Tender is 05-07-2023. Transformer Supply Tenders in panaji Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Jun-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 05-07-2023 |
| Sl. No. | Item Description |
| 1 | Supply, Installation, Testing and Commissioning of outdoor pedestal mounted 250 KVA, 11/0.433 KV, 3 Phase, 50 Hz, Dyn11, outdoor ONAN type, copper wound transformer with OFF Load tap changing arrangement on HV side in steps of +5 % to -10 % @ 2.5 % on HV, having cable end boxes on HV side suitable for 3x95 Sq.mm XLPE cable of 11 KV grade and cable box arrangement on LV side complete with all accessories including first filling of filtered dehydrated oil and comfirming to IS 1180 level 2 and as per specification attached, complete in all respects as required at site and as per the enclosed list of Makes. The approval from Electricity department, RIO, MRT section is included in the scope of work including all formalities except load approval.Masnory Plinth of appx. size 1200 x 1200 x 1000 mm with plaster etc. included in this scope |
| 2 | Supply, Installation, Testing and Commissioning of outdoor type SF6 RMU 630 Amps complete with 2 nos. Load Break Switch and 1 no. Vaccuum Circuit Breaker with self powered relay operated from suitable CTS (ratio 25-50/1A or as approved by MRT) on the existing foundation complete as required with required right angle boots/terminal protectors and as per the enclosed specifications and list of makes etc. as required with suitable terminal protectors of approved make. The wiring diagram to be approved by electricity department before placing the order. (MOTORISED & SCADA COMPATIBLE )Masnory Plinth of appx. size 1200 x 800 x 5000 mm with plaster etc. included in this scope |
| 3 | Supply, Installation, Testing and Commissioning of Outdoor type SF6 Encapsulated VCB 200A with self powered relay and necessary CTs etc with CTS of 50-100/1A Complete as required with required right angle boots / terminal protectors and as per enclosed specifications and list of make with suitable terminal protectors of approved make.Masnory Plinth of appx. size 1200 x 800 x 5000 mm with plaster etc. included in this scope |
| 4 | Supply, errecting, testing, commissioning 11KV H.T. metering cubical approved by MRT Goa Electricity Department fabricated with 3 mm (10 SWG) M.S. sheets with supporting angle and channel, painted with powder coating/ epoxy paint of required shade. Copper Bus Bar size 60x5mm and with heavy duty mechnical lock with (1) Epoxy coated 3 nos C.T. having required ratio 12.5A/5A, burden 15 VA, Class 0.5S, 13.1 KA (2) 3nos PTs of 11KV/RT3/ 110V/RT3 50 VA, Class 0.5, VF 1.2 Continuous. (3) Trivector meter 3 x 63, 5V, ./5A with DLMS feature (4) CAMR type Modem as per GED and incoming and outgoing cables etc. complete duly tested by MRT with necessary Test Certificates, including erection on the existing plinth / concrete foundation as per enclosed drawing. The cubical panel shall be of as per the enclosed drawing and list of make and supply and configuring MODEM as per electricity department requirement. |
| 5 | Supply and fixing of necessary items as per RIO guidelines and as ner enclosed specification such as |
| 6 | Fire buckets of 9 Litres capacity as per S: 2546 and filled with sand including mounting on wall hook. 2 Nos. |
| 7 | PVC Synthetie elastomer electrically insulating mat with class B insulation conforming to IS: 15652-2006 &CPRI tested having 3 mm thickness upto 1lkv, Qty. 6 Sq meter. |
| 8 | ABC powder type fire extinguisher as per IS: 13849 of 4 kgs capacity with necessary clamp for erection on wall Qty. 2 Nos. |
| 9 | Printed Instruction Chart for treating persons suffering from electric shock, printed in English & Konkani / Marathi and duly laminated. |
| 10 | Standard First Aid box. |
| 11 | Supply a pair of duly tested Rubber Hand Gloves as per IS:340715 suitable for working on 22 KV supply. |
| 12 | Providing fencing for the substation with GI Tube frame with GI Chain link mesh and providing lockable gate of 72" x 60" (W x H). |
| 13 | Supply and spreading of trap metal of 50mm aggregrate Complete as required. |
| 14 | Supply of following size of 3 core, HV, 11 KV grade, ISI mark, XLPE cable with stranded compact circular aluminium conductor, conductor screened with extruded semiconducting compound, XLPE insulated, insulation screened with extruded semiconducting compound in combination with copper tape (0.3 KA for 1Sec.) cores laid off, inner sheath of PVC tape, galvanised steel flat strip arnoured and overall PVC sheathed cable conforming to IS:7098 (Part II) with latest amendments. |
| 15 | 3 Core 95 sq.mm |
| 16 | Supply of 3 1/2 core armoured PVC/XLPE insulated, PVC sheathed aluminium conductor cable of 1.1 KV grade with ISI mark conforming to IS:1554(Part I), IS:7098(Part I) with latest amendments of following size. |
| 17 | 3 1/2 Core 300 Sq.mm |
| 18 | Supplying and making cable end terminations with brass compression gland and copper lugs for folowing sizes of 3 1/2 Core PVC insulated PVC sheathed/XLPE aluminium conductor cable of 1.1 KV grade, cormplete as required. |
| 19 | (11) 3 1/2 x 300 Sq.mm. |
| 20 | Earthwork in excavation by mechanical means (hydraulie excavatorymanual means in foundation pipeline trenches drain (not exceeding 1.5 m in width or 10 sq.m. on plan) including dressing of sides and ramming of bottoms, lit upto 1.5 m including geting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50 m. |
| 21 | All kinds of soil |
| 22 | 11 KV, Indoor Heat Shrinkable Termination Kit with lugs,3 x 240 - 300 sq. mm. (RAYCHEM/3M) |
| 23 | 11 KV, Indoor Heat Shrinkable Termination Kit with lugs,3 x 50 - 95 sq. mm. (RAYCHEM/3M) |
| 24 | Supply and laying of sand |
| 25 | Supply andlaying of bricks for separation of cable |
| 26 | Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge. |
| 27 | Disposal of surplus earth by tipper truck including loading, unloading and leveling within 10 km lead. |
| 28 | Protective covers of size 600mm length x 250 mm width x 50mm thick for underground cables. |
| 29 | Supplying and laying 25 mmx 5 mm GI strip at 0.5 m below ground as strip earth electrode including soldering etc. as required |
| 30 | Supply and fixing of cable route marker 15 cms diameter of GI plate 6mm thick with inscription theron bolted or welded to 25mm x 25mmx 5mm angle iron 60 cms long and fixing the same in ground with PCC etc complete as required. |
| 31 | GI pipe 150mm Class B |
| 32 | Supply and providing Chemical earthing system (Pipe in pipe type) with Outer pipe of the electrode having minimum 80mm diameter as per the enclosed specifiations and drawing. The outer and the inner hot dip galvanised MS pipes shall conform to the specifications and the space inbetween shall be filled withhighly crystalline conductive and anti-corrosive mixture conforming to IS-3043. The earth electrode shall be CPRI tested.The scope of work includes boring( 300mm dia minimum)/exvavation of soil/hard rock, refilling with required quantity of back fill compound/Ground resistance enhancement powder of requisite quantity, compaction, constuction of masonary chamber etc complete as required to obtain the desired value. Aluminium tag with embossed earthing value shall be permanently attached to the pipe electrode. |
| 33 | 3 metres length electrode |
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