Military Engineer Services-MES has published Tender For Repair/ Rewinding Of Central Ac Plant In Zone J At Mil Stn Agartala. Submission Date for this Tender is 18-11-2022. Electrical Maintenance Tenders in agartala Tripura. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 11-Nov-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 18-11-2022 |
| Sl. No. | Item Description |
| 1 | Schedule"A" Part-I: E&M works |
| 2 | Dismantling of unserviceable induction motor of 2 HP from the top of cooling tower, 3 phase, 415 Volt, 930 rpm having long shaft for getting coupled with fan blade assembly, transporting the same upto repair workshop, carryout repair work, re-assembling all parts and fitting at the top of cooling tower and testing for smooth functioning. NOTE : Major spare parts required for repair shall be measured andpaid separately as supply only. |
| 3 | Material & labour for re-winding of induction motor, 2 HP by super enamelled insulated copper wire of existing gauge with same number of turns, providing insulated paper into the slots, varnishing and backing of winding complete all as specified and directed. |
| 4 | Supply only sealed ball bearing of existing size suitable to house into the existing housing of motor. |
| 5 | Supply only thrust bearing of existing size and suitable for fitting into the existing housing |
| 6 | M&L for opening of foundations, nuts, bolts coupling and transportation of unserviceable mono block pump & motor, 5 HP, 3 phase, 415 volts, 50 Hz, 2880 RPM( Make: Jyoti Ltd.) up to repair workshop, dismantling all parts of pumps, motor, carryout repair work , re-assembling the mono block pump & motor, re-transportation and re-installation at its original location and testing for proper functioning all as specified and directed. NOTE : Major spare parts required for repair shall be measured andpaid separately as supply only. |
| 7 | Material & labour for re-winding of induction motor, 5 HP by super enamelled insulated copper wire of existing gauge with same number of turns, providing insulated paper into the slots, varnishing and backing of winding complete all as specified and directed. |
| 8 | Supply only sealed ball bearing of existing size suitable to house into the existing housing of mono block pump. |
| 9 | Supply only cooling fan made out of good quality plastic of existing size and as per sample |
| 10 | Supply only impeller made out of gunmetal, mixed flow pattern type |
| 11 | Supply only key impeller as per sample |
| 12 | Material and labour for opening of foundation nuts, bolts and removal from AHU to induction motor 10 HP, 3 phase, 415 volts, 50 Hz, 1450 RPM, transportation up to repairs workshop, dismantling all parts, carryout repair work re-assembling the motor, re-transportation and install in the position where directed including making necessary electrical connection complete & testing upto the satisfaction of Engr-in Charge. NOTE :Major spare parts required for repair shall be measured andpaid separately as supply only. |
| 13 | Material & labour for re-winding of induction motorof 10 HP by super enamelled copper wire of existing gauge with existing number of turn in each phase, providing insulated paper in slots, varnishing and backing of winding complete all as specified and as directed. |
| 14 | De-watering of water collecting chamber of cooling tower 24 TR capacity and taking out of PVC fins (filters of cooling towers) and water sprinklers, carryout cleaning of each fins by pressure water, removing the rusted/dust layers for opening of ducts of fins, cleaning of water collecting chamber, segregating worn out PVC fins, re-assembling the serviceable fins, water sprinklers etc.and carryout testing forproper functioning all as specified and directed. Notes: (i)The cleaning be carried out once in three months. (ii) The worn out PVC fins or sprinklers will be replaced by new PVC fins and sprinklers which will be measured and paid separately as supply only under serial item No-4.01 & 4.02 here in after. |
| 15 | Supply only PVC fins of existing size as per sample suitable for 24 TR cooling tower. |
| 16 | Supply only water sprinklers of existing size (as per sample) |
| 17 | Supply, hoisting and fixing in proper position ISI marked multi-layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 1000 litres with and including 20mm bore PTMT float and ball valve set including providing necessary connections after disconnecting and demolition of existing PVC tankcomplete all as specified and as directed by the Engr-in-Charge. |
| 18 | Removing end caps of tube type condenser 2 x 12 TR capacity by opening or cutting of nuts & bolts,etc, and Material & labour for de-scaling of condenser units by using wire brush and scaling dilution solution (Coil Shine in the ration 1:3 i.e. one percent Coil Shine and three % of water), reassembling of end caps, etc. and testing against leakage for proper functioning all as specified and directed |
| 19 | Material and labour for charging of refrigerant gas 22 including testing against leakage complete all as directed. |
| 20 | Supply and fixing brass NRV of existing size and as per sample. |
| 21 | M&L for the following machines and equipment of the AC plant two coats of painting to match with the existing after cleaning the body and old rusted paint, fixing back, testing and commissioning complete all as directed.(a) Condenser unit - 02 Nos(b) AHU - 01 No(c) Cooling tower - 01 No(d) Compressor - 02 Nos |
| 22 | Supply and fixing pressure gauge range 0-10 kg/cm2 with PSI bottom entry complete all as specified and directed. |
| 23 | Supply and fixing combined voltmeter and ammeter complete all as specified and directed. |
| 24 | Supply and fixing volt select switch control gear complete all as specified and directed. |
| 25 | Supply and fixing timer complete all as specified and directed. |
| 26 | Supply & Fixing MCB TPN having braking capacity 10 KA, 80 Amp, 415 Volt "C" Curve complete all as specified and directed. |
| 27 | Supply & Fixing MCCB TP having braking capacity 16 KA, 160 Amp, 415 Volt "C" Curve complete all as specified and directed. |
| 28 | Supply & Fixing start push button green complete all as specified and directed. |
| 29 | Supply & Fixing stop push button red complete all as specified and directed. |
| 30 | Supply & Fixing motor ON indicating light green complete all as specified and directed. |
| 31 | Supply & Fixing motor trip indicating light yellow complete all as specified and directed. |
| 32 | Supply and connecting flat, water proof, PVC insulated, 4 Sqmm, PVC sheathed, 3 core, 1100 volt grade, multi stranded copper conductor cable, confirming to IS-694/1990 including taking down existing cable complete all as specified and as directed. |
| 33 | Repair and replacement AHU exhaust system, heating coil, cooling coil, heating / cooling recovery system, air filter chambers, sound attenuators, mixing chamber and dampers complete all as specified and directed. |
| 34 | Supply and fixing for AHU blower motor belt of existing size with all accessories complete all as specified and directed. |
| 35 | Supply and fixing dryer of existing size complete all as specified and directed. |
| 36 | Supply and fixing thermostat of existing size complete all as specified and directed. |
| 37 | Supply and fixing expansion valve of existing size complete all as specified and directed. |
| 38 | Supply and fixing gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe bore 20 mm dia and fixed all as specified and directed. |
| 39 | Supply and fixing gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe bore 25 mm dia and fixed all as specified and directed. |
| 40 | Supply and fixing gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe bore 50 mm dia and fixed all as specified and directed. |
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