Military Engineer Services-MES has published Providing Of Electrical Transformer And Allied Works At 509Su Af Stn Laitkor Peak Under Ge (I) (Af) Shillong. Submission Date for this Tender is 09-02-2023. Transformer Supply Tenders in shillong Meghalaya. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 25-Jan-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 01-02-2023 |
| 2 | 01-Feb-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 06-02-2023 |
| 3 | 06-Feb-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 09-02-2023 |
| Sl. No. | Item Description |
| 1 | Excavation in trenches in soft / loose soil, not exc 1.5 m wide and n. exc 1.5 m depth or n exc 10 Sqm on plan & getting out, for laying of cables, foundations of poles, struts, stays etc. and getting out including triming and forming bottom surface complete, all as directed. |
| 2 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick in soft / loose soilback in trenches after cables have been laid and tested, poles, stays , struts have been erected and tested complete all as directed. |
| 3 | Removing excavated materials to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point in soils complete all as directed. |
| 4 | Supplying, Fixing/laying,jointing and testing and commissioning, LT under ground cables, 1100 Volts grade, XLPE insulated, armoured heavy duty electric cable with stranded aluminuim conductors, laid in trenches, ducts/fixed on poles/walls/laid under roads/paths/drains/culverts or encased in GI pipe complete all as specified and directed of following sizes:- |
| 5 | 3.5 core 120 Sqmm |
| 6 | 3.5 core 240 Sqmm |
| 7 | 3.5 core 400 Sqmm NOTE :- (a)Excavation & earth work, shall be measured and paid for seprately under respective items of the BOQ. (b) GI pipe for laying of cable, sand cushioning, cable protection cover shall be measured and paid for seprately under respective items of the BOQ (c)Road cutting involved during excavation for laying of cables etc shall be made good as per existing road.Nothing extra shall be admissible on this account.Quoted rates of the item shall be inclusive of the above provisions. |
| 8 | Supplying, laying, jointing, testing and commissioning95 Sqmm, 3 core, XLPE insulated, screened, PVCbedded, galvanised steel strip or wire armoured,electric power cable (heavy duty) with aluminum conductors, 11 KV grade of , IS 7098marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed. (Note :- Excavation & earth work, GI pipe for laying of cable, sand cushioning, cable protection cover shall be measured and paid for seprately under respective items of the schedule.) |
| 9 | M & L for outdoor type heatshrinkable cable end termination jointing kitfor HT 11000 Volts(Earthed) grade cable of following size complete with jointing material and accessories complete all as directed :- |
| 10 | 70 to 120 Sqmm, 3.5/4.0 core |
| 11 | 400 Sqmm, 3.5/4.0 core |
| 12 | M & L for outdoor type cold shrinkable cable end termination jointing kitfor HT 11000 Volts(Earthed) grade cable of following size complete with jointing material and accessories complete all as directed :- |
| 13 | 50 to 95 Sqmm, 3 core |
| 14 | S & F Galvanised steel tubing Light grade for protection of under ground cable on poles / walls/under road crossing/laid in trenches etc conforming to IS-1239 for following bore complete all as directed:- |
| 15 | 100 mm bore (Note :Excavation & earth work shall be measured & paid separately under respectiveitems of this Schedule). |
| 16 | M & L for dry sand cushioning to PVC under ground cable with screened and washed sand and punning to provide a required covercomplete all as specified and directed. Note :- Thickness after punning shall be considered for payment. |
| 17 | M & L for brick protection for UG XLPE cable withsub class "B" bricks, old size laid dry and flat abutting each other with gaps between adjacent brick 10mm with width equal to length of brick in trenches across the cable complete all as directed. |
| 18 | S & F Lightening arresters non lineartype complete with all fitting, transmission class, discharge capacity 65 KA, 11000volts grade including clamps nut, bolts & washers and connecting to earth with GI strip/wire complete all as specified and directed |
| 19 | Supply, installing, testing and commissioning of Air-break, gang operated, triple pole switch, outdoor, horizontal mounting type (ISI marked), mechanically operated, mounted on 12 insulators for current rating upto 200 Amps complete with fuse mounts, fuse carriers and HT fuse elements and frame work with operating mechanism worked from ground level, with locking arrnagments including Godrej pattern 65mm pad locks with two keys, completesuitable for HT 11 KV, 50 Hz AC supply and making necessary electric connections, complete all as directed. |
| 20 | Supply, installation, testing and commissioning of step down transformer out door typecomplete with standard fittings and accessories, HT 11 KV 3 Phase, LT 433 Volt, 3 Phase 4 wire with off load tap changer on primary side to carry secondary voltage tapping range + 7.5% with tappings at every steps 2.5 % all as per IS 1180 Part-I (2014 , With Latest Amendment No 1, 2, 3 & 4 of Energy Efficiency Level EEL-2) Level-2, for Transformer manufacturing ofcapacity500 KVA, copper wound, oil cooling with fins vector group : DYn 11, including initial oil filling (oil confirming to IS 335 and ISI Mark) complete all as specifiedincluding the following accessories :- (a)Three Nos porcelain bushing HT 11 KV with brass bushing rods, nuts, bolts & washers etc inside cable end box. (b)One cable box LV side consisting of 4 Nos porcelain with brass bushingrods complete with nuts and washers suitable for runs of 3.5 core LT UG cable. (c) Oil conservator with filler type drain valve and oil level gauge. (d)Dehydrating breather with first fill of dehydrating agent. (e)Explosion vents. (f)Thermometer pocket on tank cover. (g)One No 100mm dia, dial type thermometer vapour pressure type having range 0 to 120 degree centigrade (h) Bachholz relay |
| 21 | Serial item No 13.00 Contd.... (i)Rating plate and terminal marking plate (j)Earthing arrangement (k)Oil level gauge (l)Oil drain filter valve (m) Oil drain valve (n)Lifting hook (o)Oil conservator with filling hole and cap (p)Air relief valve plug (q)Four plate solid cast steel detachable rollers (r)Earth bushing for neutral outside the cable box for providing independent earthing for neutral (s)Necessary channel on foundation for fixing the transformer with joint and stopper NOTE :- (i)Certification of electric strength shall be submitted by the contractor, after filling the oil. (ii) Connected allied items shall be measured and paid separately under respective items of this BOQ. (iii)The consolidated rate for Srl No. 13.00 & 13.10 shall be quoted against Srl No. 13.00 of BOQ. |
| 22 | Supply , Install, Test and commissioning ofServo controlled Voltage Stabilizer of capacity 300 KVAfor automatic operation , three phase naturally oil colled , copper wound, indoor type & designed for input variation between 360 V to 480 V with ouput voltage stabilized at 415 V, with accuracy +/- 1% (phase to phase) , 240V +/- 1%(Phase to neutral) and speed of correction 6 Volts per second between phase and neutral. The corrector shall be free from hunting during automatic operation, as per clause 9.3 & 9.4 of BIS(conforming to BIS 9815: Part I:1994 reaffirmed 2009) complete all as specified and as directed.Make : VINTEK(Brand Name :VOLINA) or equivalent from AE /Brentford / Andrew Yule |
| 23 | S & F Air Circuit breakers, 4 Pole, manual Draw out type, current rating 800 Amps, breaking capacity 50 kA, microprocessor based with in-built 2NO + 2 NC auxilary contact with suitable size of panel complete all as directed. Model & Make : Cat Part No. SL96062 of Make L & T or equivalent model of makes listed in list of Makes. |
| 24 | Supply installation, testing & commisssioning of LT control panel indoor type totally enclosed dust & vermin proof, cubical type, both side openable, prewired, floor mounted type,size 1.5m x 1.2m x 0.6m made out of 2 mm thick CRCA sheet on MS channel 100X6 mm frame welded to the bottom complete with cable allay, busbar chamber and grouted on floor of suitable size PCC platform, duly painted with powder coated paint over a coat of zinc crome red oxide primer and cable connection including necessary thimbles, suitable opening surrounded by gland packing for outgoing and incoming cables and comprising of the following :- INCOMING & OUTGOING (a) MCCB 400 Amps, 415V, 4 Pole, 35 KA - 01 Nos Thermal magnetic adjustable type (b) Digital voltmeter 0-500 volts with selector switch - 01 No (c) Digital Ammeter 0-500 Amps with CT & selector switch - 01 No (d) R-Y-B phase indicator LED lamp - 03 (e) Insulated copper busbar of rating 800 Amps - 04 Nos (f) MCCB 160 Amps, 415V, 4 Pole, 35 KA - 01 Nos Thermal magnetic adjustable type (g) MCCB 100 Amps, 415V, 4 Pole, 35 KA - 02 NosThermal magnetic adjustable type |
| 25 | Serial item No 16.00 Contd.... Notes(a) All armoured cables shall enter through bottom of the feeder pillar duly glanded and socketed and connected to MCCB/cable terminal. Cost of glanding socketing etc are deemed to be included in the unit rate of feeder pillar. (b) All the out going cable shall be terminated in bakellite cable connector and shall be duly glanded and socketed. (c) All the cables (power and control wiring ) should be terminated duly socketed with heavy duty tinned copper lugs, GI bolts/screws nuts, flat washers and spring washers as required. (d) White acrylic marker plate (for feeder / switch marking ) to be provided with black lettering by heat press machine as indicated in drawing and to be pasted over the panel door/near the cable connector with high quality adhesive. (e) The cost of platform/foundation with PCC shall deemed to be included in the quoted rates. (f) The consolidated rate for Srl Nos. 16.00 & 16.10 shall be quoted against Srl No. 16.00 of BOQ. |
| 26 | M & L for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to galvanized earth lead wire 4.00mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 15mm bore for protection of earth wire and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 5 on srl page No 497 of SSR Part I (2009)drawing and connection to earth test point including testing and including dismantling and taking out old earthing complete all as specified and directed. Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii)The cost of excavation, earth work is included in the quoted rate. |
| 27 | M & L for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to galvanized iron strip 32x6mm earth lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 40mm bore for protection of earth wire and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI/CI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 5 on srl page No 497 of SSR Part I (2009)drawing and connection to earth test point including testing and including dismantling and taking out old earthing complete all as specified and directed. Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii)The cost of excavation, earth work is included in the quoted rate. |
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