Military Engineer Services-MES has published Tender For Repair / Maintenance Of E/M Installations Includes Transformers, Vcbs, Vle Switches, Apfc Panels God And Lt Panels At Hastings, Raspunja, Sahapur, Od Area And Bmc Under Ge(C) Kolkata. Submission Date for this Tender is 28-02-2023. Transformer Supply Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 17-Feb-2023 | BOQ | Other | 21-02-2023 |
| 2 | 20-Feb-2023 | BOQ UNIT | Other | 21-02-2023 |
| 3 | 21-Feb-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 28-02-2023 |
| Sl. No. | Item Description |
| 1 | NOTES :(i)The bidders/contractorsare advised to read tender documentand all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates. (ii) It is highlighted that the cretin condition of General Condition Of Contracts (IAFW-2249) has been modified as direction of MODi.e inclusion of performance security, deletion of riskand cost provisions and increase in defects liability period all as specified in tender document. The tenderers should keep in mind while quoting their offer |
| 2 | Excavating in trenches n. exc 1.5m wide and not e. 1.5m in depth for foundation of poles, laying under ground cables, etc and getting out in soft/loose soil complete as specified and directed. |
| 3 | Material and labour for providing sand cushioning for protection of cable in trenches with dry (coarse) sand approved quality including filling, spreading and punning down to desired thickness complete all as specified and as directed. |
| 4 | Material and labour for sub class ‘B’ bricks, laid flat, dry in trenches to the width equal to the width of the brick as in cable protection complete all as per specified and directed. |
| 5 | Re-laying of serviceable bricks width wise in trenches for UG cable protection complete all as specified and directed by the Engineer-in-Charge. |
| 6 | Returning, filling in, including spreading leveling watering and well ramming in layers not exc 25 cm as in soft / loose soil complete as specified and directed. |
| 7 | Removing excavated material not exc. 50 m and depositing where directed at a level not exc 1.5 m above the starting point in soft / loose soil complete as specified and directed. |
| 8 | Supply and laying reinforced precast concrete cable cover, class HV type - 1 flat, size 300mmx l80mm x 40mm complete all as specified and directed. |
| 9 | Taking out unserviceable HT XLPE UG cable of any type and any sizes from the tranches etc and removing from the site of work complete all as specified and directed. Note:-(i) Serviceable bricks obtained shall be stacked properly for re-use. (ii) Excavation and earth work shall be measured and paid separately under relevant items of these schedule. |
| 10 | Supply and laying in trenches or fixing on wall or passing through pipe, connecting and testing HT XLPE insulated (Earthed), screened, PVC bedded heavy duty electric cables with aluminium conductor, 11000 volts grade of cross sectional area 70 Sqmm 3.5 core complete all as specified and directed. |
| 11 | All as per item No. 10 here in before but 95 Sqmm 3 Core |
| 12 | All as per item No. 10 here in before but 120 Sqmm 3 Core |
| 13 | All as per item No. 10 here in before but 150 Sqmm 3 Core |
| 14 | All as per item No. 10 here in before but 185 Sqmm 3 Core |
| 15 | Supply and fixing 50mm bore GI tubes, light grade for cable protection supporting to poles with all fixing accessories (clamps, nut, bolt and washer etc) complete all as specified and directed. |
| 16 | All as per item No. 15 here in before but 80mm dia |
| 17 | All as per item No. 15 here in before but 100mm dia |
| 18 | Supply and jointing ofheat shrink type straight through cable jointing kit for 11KV(Earthed) grade cable complete with jointing materials and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of 150 Sqmm size including taking out old unserviceable one complete all as specified and as directed. |
| 19 | All as per item no 18 here-in-before but suitable for 11KV(Earthed) grade 3 core XLPE armoured Aluminium conductor cable of size 95 Sqmmcomplete all as specified and as directed. |
| 20 | Supply and jointing ofheat shrink type outdoor termination cable jointing kit for 11KV(Earthed) grade cable complete with jointing materials and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of 150 Sqmm size including taking out old unserviceable one complete all as specified and as directed. |
| 21 | All as per item no 20here-in-before but suitable for 11KV(Earthed) grade 3 core XLPE armoured Aluminium conductor cable of size 95 Sqmmcomplete all as specified and as directed. |
| 22 | Supply and jointing ofheat shrink type indoor termination cable jointing kit for 11KV(Earthed) grade cable complete with jointing materials and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of 150 Sqmm size including taking out old unserviceable one complete all as specified and as directed. |
| 23 | All as per item no 22here-in-before but suitable for 11KV(Earthed) grade 3 core XLPE armoured Aluminium conductor cable of size 95 Sqmmcomplete all as specified and as directed. |
| 24 | Material and Labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6mmthick buried directly in ground vertically to a depth not less than2.25 mtr deep below the normal ground level, connected with and includinggalvanized earth strip of size 32 x 6mm thick connected to main test point as directedas earthing leadby means of nuts, bolts, washers of galvanized iron protected by 40mm dia (light grade) GI tubing, funnel, wire mesh, 20mm bore GI tubing (medium grade) watering pipe including concrete pit in PCC (1:3:6) type C-1, precast RCC (1:2:4) type B-1 cover slab of size 350 x 350 x 50mm reinforced with 8mm dia TMT bars @15 cm c/c in both ways and 10mm dia MS handle (01 No) of suitable size for lifting of cover slab, charcoal and salt in alternative layers including necessary excavation and earth work in soft/ loose soil all as shown in Electric Plate No. 3 of SSR Part - I and testing including dismantling of old earthing complete all as specifiedand directed. Notes :(i) The unit rate shall include for GI water pipe, protection pipe, wire mesh, funnel, excavation, RCC pit cover, PCC, test point, earth srip from top of earth plate upto 7.5 metre ground level(ii)PCC pit shall be provided at least 1.5 mtr away from the earth pit and not just on the earth pit and extra cost of additional length of water pipes and fixing junction, elbows etc.shall be deemed to be included in the unit rate. |
| 25 | Disconnecting HT/LT connection of transformer andopening up the top cover of transformer of capacity100 KVAto 650 KVA for checking the conditions to carryout repairs at site, including draining out oil from the transformer in suitablecontainer (containers to be provided by the contractor) andrepair to the transformer with replacement of parts (as required), checkingthe lead connection from winding to bus rods including necessary soldering/jointing etc and after complete repair refilling the dehydrated oil, replacing perished gasket with new gasket of same size and testing on full load after connecting the HT/LT connections complete all as directed by GE/AGE Notes :(i)Labour component required for the repalcement of unserviceable parts shall be deemed to be included in the unit rate quoted against this item (ii) Major parts as under shall be measured and paid separately under appropriate item of this BOQ (iii) Dehydration/ filtration of transformer oil shall be measured and paid separately under relevant item of this BOQ’ (iv) T&P and minor parts will be arranged by the contractor and the cost thereof shall be deemed to be includedin theunit rate quoted against this item (v)Rate deemed to be inclusive of securing the cables on HT/ LT side for tension free at cable entry box. |
| 26 | Disconnecting HT/LT connection of transformer andopening up the dry type transformer at CSS of capacity100 KVAto 650 KVA for checking the conditions to carryout repairs at site, including cleaning and servicing transformer panel and repair to the transformerwith replacementof parts (as required) checking the lead connection to bus rods including necessarysoldering / jointing etc and after complete repair, refilling and testing on full load after connecting the HT / LT connections complete all as directed by GE / AGE Notes :(i)Labour component required for the repalcement of unserviceable parts shall be deemed to be included in the unit rate quoted against this item (ii) Major parts as under shall be measured and paid separately under appropriate item of this BOQ (iii) T&P and minor parts will be arranged by the contractor and the cost thereof shall be deemed to be includedin theunit rate quoted against this item (iv)Rate deemed to be inclusive of securing the cables on HT/ LT side for tension free at cable entry box. |
| 27 | Supply only LT Bush insulators as per existing size and shape for 100 to 650KVA capacity transformers complete all as specified and as directed. |
| 28 | Supply only HT Bush insulators as per existing size and shape for 100 to 650KVA capacity transformers complete all as specified and as directed. |
| 29 | Supply only top cover gasket set as per existing size and shape complete for 100 to 650 KVA capacityTransformers complete all as specified and as directed. |
| 30 | Supply only ofgasket (set of four) for LT bushing as per existing sizeand shape complete for 100 to 650 KVA capacity transformers complete all as specified and as directed. |
| 31 | Supply only ofgasket (set of four) for HT bushing as per existing sizeand shape complete for 100 to 650 KVA capacity transformers complete all as specified and as directed. |
| 32 | Supply only temperature gauge of range 0 to 200oC for indication of temperature rise in transformer oil for transformers upto 650 KVA capacity. |
| 33 | Supply only LT stud as per existing size and shape for 100 to 630 KVA capacity transformers complete all as specified and as directed. |
| 34 | De-hydration and filtration of transformer oilby using dehydration and filtration plant, heating and filtration of oil to be carried out till the di-electric strength reaches 40 KV to 60 KVwithstand for one minute is achieved and acidity test for any capacity of transformer complete all as specified and directed. |
| 35 | Supply only breather including of silica gel as per existing specification in sealed bag for transformer up to 650 KVA capacity complete all as specified and directed. |
| 36 | Supply only silica gel as per existing specification in sealed bag for transformer up to 650 KVA capacity complete all as specified and directed. |
| 37 | Material and labourfor preparation of old painted steel or iron surfaces of transformer of capacity100KVA to 630KVA by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location with black synthetic enamelpaint in white back ground complete all as specified and directed |
| 38 | Supply and topping up transformer oil ISI marked in sealed containers for transformers oil,conforming to IS-335 with dielectric strength of not less than 40KV and testing for strength including recording results complete all as specified and directed. Note:- (i) Purchase vouchers alongwith manufacturer"s test certificate shall be produced to ENgineer-in-Charge. (ii) Nos of sealed containers shall be recorded in MB. Make: CASTROL / IOCL(SERVO)/HP. |
| 39 | Supplying, installation and errecting of steel tubuler swaged welded pole complete with MS base plate of 6 mm thick of size 300 mm x 300mm, finial taper plug, pole cap bolts, nuts and washers and screwed, pole made out of ERW MS Tubing confirming to IS-2713 (Part-II) 1980 type 410 SP-55 (11 meters long) HT polesISI Mark including drilling of holes of required size and for fixing of cross arms, painting with one coat of red oxide primer and two coats of aluminium paint on exposed surfaces and two coats of black bituminous paint for portion embeded in concrete, painting including dismantling and taking out old poles complete all as specified and directed. Note :- Excavation, earth workand concrete shall be measured and paid separately. Make:-CALCUTTA POLE / JINDAL STEEL / NATIONAL TUBING CO |
| 40 | Materialand Labourfor plain cement concrete (1:4:8) type D-2 ( with using 40 mm graded stone aggregate) as in foundation of polesincluding necessary form workcomplete all as specifed and directed. |
| 41 | Materialand Labour for plain cement concrete (1:3:6) type C-1( with using 20 mm graded stone aggregate) as in copingcomplete all as speceifed and directed. |
| 42 | Supply and fixingDanger Notice plate 1.6mm thick for HT 20 x 15 cm mild steel sheet, vitreous enameled white with letters, figures and conventional skull and bones in signal red colour and fixed withclamps, bolts and nuts complete all as specified and directed |
| 43 | Supply and fixing of drop out explusion fuse assembly single pole 25 to 50 Amp capcity, 11000 volts grade after taking out old unserviceable one complete all as specified and directed |
| 44 | Material and labour for taking out of burnt primary / secondary copper windings of HT 11 KV transformer and cleaning all the limbs, replacing with the same with fine enamelled bare copper conductoras per relevant BIS of same gauge size, turns and weight and keeping the same into the hot air oven till the moisture evoporates for working complete all as specified and directed. Note: Rates quoted deemed to be inclusive of all Misc items such as cotton tape, warnishing, impregnated paper etc. |
| 45 | All as per item No 44 here-in-before but for LT 11 KV Transformer |
| 46 | Materialand Labour for off load tap changer switch suitable for transformer capacity 100 to 650 KVA complete all as specified and directed. |
| 47 | Supplyand fixing gang operated air breaker switch ,triple pole, mechanically operated , mounted on insulators and steel frame with operating mechanism worked from ground level using heavy duty GI pipe, for current rating 200 amps, out door type (confirming to IS specifications) HT 11 Kv , triple pole with fixedcontacts of phosphorous and bronze and a set of drop out HT fuse Assembly , Fuse carrier fitting , 9 insulator type mounted on MS channel operating rod with pad lock arrangement including dismantling old unserviceable gang operated Air breaker switch from two pole / four pole structure complete all as specifiedand as directed. Note: Rates quoted deemed to be inclusive of all equipment such as craneand transported vehicle |
| 48 | Repair and overhauling of 11 / 6.6 KV any capacityVCBs of receiving/distribution system with dusting/cleaning by smooth brushing or dry cotton and lubricating of movable mechanism suitably with oil/grease and replacement of unserviceable/burnt out/worn out spare parts with new one as per existing make, duly commissioned in the VCBs at 11 / 6.6 KV Bulk Receiving Centre including necessary inspection, reassembling ,testing, re-commissioning, etc complete for smooth functioning of the equipments to ensure desired result including taking down/dismantling of existing unserviceable spares parts of VCB/Capacitor Banks all as directed by Engineer-in-charge. Note:- (i) Labour component required for the replacement of unserviceable parts shall be deemed to be included in the unit rate quoted against this item. (ii) Major parts as under shall be measured and paid separately under appropriate item of this BOQ (iii) T&P and minor parts will be arranged by the contractor and the cost thereof shall be deemed to be included in the unit rate quoted against this item. (iv) Repair, overhaulingand testing of VCB shall be carried out by authorized competent persons of OEMs or their accredited / authorised agancies and contractor shall be submitted supporting document of authorized representative of existing VCB to GE, the service charge of OEM shall deem to be included in above quoted rate. |
| 49 | Supply onlyMotor for SP charging with gear complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 50 | Supply only of Tripand Close Coil 110 VDC or as per existing volt rating complete all as specified and as directed.. Make :As per existing OEM or as approved by GE |
| 51 | Supply only Holding Base from Mould (Epoxy Mould) complete all as specified and as directed.. Make :As per existing OEM or as approved by GE |
| 52 | Supply only ISO Lating Contacts with brass ring complete all as specified and as directed.. Make :As per existing OEM or as approved by GE |
| 53 | Supply only Spout Bushing complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 54 | Supply only Vacum Intermpter complete all as specified and as directed.. Make :As per existing OEM or as approved by GE |
| 55 | Supply only Power Pack 110 VAC/ 110 VDC complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 56 | Supply only ofT.N.C. Switch complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 57 | Supply only Close, Trip system shaft mechanism complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 58 | Supply only Auxiulary Switch 12 Way (6No/6NC) complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 59 | Supply only Spare Mechanism with Motor gear complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 60 | Supply only ofCT 50-25/5+5A:15/1+15/5 P10 complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 61 | Supply only ofCT 150-50/5+5A:15/1+15/5 P10 complete all as specified and as directed. Make :As per existing OEM or as approved by GE |
| 62 | Supply only digital ammeter with built in selector switch 0-400 Amps of dial size 96x96mm with accuracy class 1.0, three phase and suitable CT (03 Nos) including taking down old one complete all as specified anddirected. Make : AE/ KAYCEE/L&T/SECURE METERS/HPL |
| 63 | Supply only Digital Voltmeter 0-500 volts with built in selector switch of dial size 96 x 96mm with accuracy class 1.0 including taking down old one complete all as specified and directed. Make : AE/ KAYCEE/L&T/SECURE METERS/HPL. |
| 64 | Supply only Trivector Meter, 3PH, 3W TVM 110V (L-L) 5A CL0.5S BM RS 485 complete all as specified and directed. Make : L&T, Cat NoWR300BB52RS or equivalent Model of AE/ KAYCEE/SECURE METERS/HPL |
| 65 | Supply only Indicator lamp, LED type of colour red, blue and yellow complete all as specified and directed |
| 66 | Supply and laying in replacement high dielectric strength SMC Chequred plate of size 1 mtr x 1 mtr and thickness 3mm wide with EOP foam and adhesive as per manufacture instructions complete all as specified and directed. Make:- GSCQ -1010-3 of Sintexor equivalent make of Devi Polymers Pvt Ltd /Madras Felt |
| 67 | Supply and laying in replacement high dielectric strengthSMC trench cover of size 1 mtr length x 0.75 mtr width x 12mm thickness suitable for 11 / 6.6 KVcomplete all as specified and directed. Make:- GSCO101012 of Sintex or equivalent make of Devi Polymers Pvt Ltd /Madras Felt |
| 68 | Materialand Labour for Cross arms, bracings, supports clamps and brackets plates fabricated form structural steel section including nuts, bolts, twin washers, welding bending cold or hot drilling holes for bolts in any shape or size as indicated and directed by Engineer-in-Charge including two coats of aluminium paint over a coat pf red oxide primer including taking down old rusted channels complete all as specified and directed. |
| 69 | Trimming / cutting of tree branches of any girth, touching / obstructing the over head lines of HT / LT Poles of three phase distribution system at places length not less than 2m and not more than 40 Mtr span so as to keep minimum 3.0 mtr clearance all around the lines and poles with due care after taking proper electric shutdown from concern JE including disposal thereof (trimmed branch) to a distance not exceeding 100 m complete all as specified and directed. |
| 70 | Material and labour for BORING roads / hard standing to a depth not less than 45cm and not less than 40 cm wide for laying of GI pipe to draw the UG cable and making good the disturbed surfaces by filling of PCC (1:3:6) type C2 using 40mm graded stone aggregate and finished the surface even and smooth without using extra cement and disposal off the surplus debris and soil to a distance not exc 50m complete all as specified and as directed by the Engineer-in-Charge. |
| 71 | Note: Schedule of credit (SCHEDULE OF CREDIT)amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ. |
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