Military Engineer Services-MES has published Tender For Repair / Maintenance Of Lt Distribution Panel Box, Apfc Panel,Lt Isolation Transformer And Other Connecting Allied Items At Af Stn Mohanbari Under Ge (Af) Mohanbari. Submission Date for this Tender is 13-06-2023. Distribution Box Tenders in mohanbari Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 30-May-2023 | corrigendum | Other | 13-06-2023 |
| Sl. No. | Item Description |
| 1 | Supply, install, testing and commissioning of LT Outdoor Feeder Pillar Box AC 415 V, 50 Hz, 3 Phase, 4 wire, totally enclosed self supporting structure/ cubicle, fully compartmentalized type, weather proof, protection IP 54 of minimum size 1.2mx0.9mx0.6m, double door type, with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick outer & 2.0 mm thick inner CRCA steel sheet with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted to PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter, changeover and MCCBs with sloping canopy at top, double hinged doors at front with suitable locking arrangement including louvers at sides duly powder coated complete for accomodating & including following accessories:- DETAILS:- INCOMER: (i) MCCB 4 pole, 415 Volts with breaking capacity35 KA of 250 Amps with fixed thermal and fixed magnetic setting- 01 Nos Contd/ ----- |
| 2 | OUTGOING: (i) On Load Changeover open type 4 pole of capacity 250 Amps, 415 Volts, 50Hz - 01 Nos (ii) MCCB 4 Pole ,415 Volts with breaking capacity25 kA of200 Amps with thermal magnetic release -01 Nos (iii) MCCB 4 Pole ,415 Volts with breaking capacity25 kA of capacity 160 Amps with thermal magnetic release -01 Nos (iv) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 125 Amps with thermal magnetic release -01 Nos (v) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 100 Amps with thermal magnetic release -01 Nos (vi) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 63 Amps with thermal magnetic release -02 Nos BUSBAR: (i) Aluminium bus bar 400 Amps supported on non hygroscopic fibres and brass screws with nuts, bolts & washers - 04 Nos INDICATING DEVICES (i) LED Indicating lamps for main supply indicating R, Y, B - 03 Nos. (ii)Digital ampere meter of 0-250 A, 3 phase, class 1, including CT having CTR 250/5 - 01 No (iii)Digital voltmeter 0-500 Volts, 3 phase, class 1, - 01 No |
| 3 | Supply, install, testing and commissioning of LT Outdoor Feeder Pillar Box AC 415 V, 50 Hz, 3 Phase, 4 wire, totally enclosed self supporting structure/ cubicle, fully compartmentalized type, weather proof, protection IP 54 of minimum size 1.2mx0.9mx0.6m, double door type, with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick outer & 2.0 mm thick inner CRCA steel sheet with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted to PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter, changeover and MCCBs with sloping canopy at top, double hinged doors at front with suitable locking arrangement including louvers at sides duly powder coated complete for accomodating & including following accessories:- DETAILS:- INCOMER: (i) MCCB 4 pole, 415 Volts with breaking capacity25 kA of 200 Amps with fixed thermal and fixed magnetic setting- 01 Nos Contd/---- |
| 4 | OUTGOING: (i) On Load Changeover open type 4 pole of capacity 200 Amps, 415 Volts, 50Hz - 01 Nos (ii) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 160 Amps with thermal magnetic release -01 Nos (iii) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 100 Amps with thermal magnetic release -02 Nos (iv) MCCB 4 Pole ,415 Volts with breaking capacity18 kA of capacity 63 Amps with thermal magnetic release -02 Nos BUSBAR: (i) Aluminium bus bar 300 Amps supported on non hygroscopic fibres and brass screws with nuts, bolts & washers - 04 Nos INDICATING DEVICES (i) LED Indicating lamps for main supply indicating R, Y, B - 03 Nos. (ii)Digital ampere meter of 0-200 A, 3 phase, class 1, including CT having CTR 200/5 - 01 No (iii)Digital voltmeter 0-500 Volts, 3 phase, class 1, - 01 No |
| 5 | Supply, install, testing and commissioning of LT Outdoor Feeder Pillar Box AC 415 V, 50 Hz, 3 Phase, 4 wire, totally enclosed self supporting structure/ cubicle, fully compartmentalized type, weather proof, protection IP 54 of minimum size 1.0mx0.9mx0.6m, double door type, with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick outer & 2.0 mm thick inner CRCA steel sheet with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted to PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter, changeover and MCCBs with sloping canopy at top, double hinged doors at front with suitable locking arrangement including louvers at sides duly powder coated complete for accomodating & including following accessories:- DETAILS:- INCOMER: (i) MCCB 4 pole, 415 Volts with breaking capacity25kA of 160 Amps with fixed thermal and fixed magnetic setting- 01 Nos BUSBAR: (i) Aluminium bus bar 200 Amps supported on non hygroscopic fibres and brass screws for mounting having 04 Nos hole on each busbar with nuts, bolts & washers - 04 Nos INDICATING DEVICES (i) LED Indicating lamps for main supply indicating R, Y, B - 03 Nos. (ii)Digital ampere meter of 0-200 A, 3 phase, class 1, including CT having CTR 200/5 - 01 No (iii)Digital voltmeter 0-500 Volts, 3 phase, class 1, - 01 No |
| 6 | M&L for shifting of LT panel of any size by disconnecting the cables of any size from panel and taking out the loop of the cable and shifting the panel within 500 mtrs from original location or as directed by Engr-in-Charge and reconnecting the same after dresseing the cable and providing suitable size lugs and glands for termination and connection with MCCBs after necessaey PCC plinth foundation work complete all as specified and directed. Note:- Demolition, transportation and lifting job and T&P are inclusive in the quoted rate. |
| 7 | Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 mtr deep for taking out/ laying of under ground cable, pole, pipe, stay and getting out in soft soil strata complete all as specified and directed. |
| 8 | Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm spread any type of soil complete all as specified and directed by Engr-in-Charge. |
| 9 | Removing excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.50 mtr above the starting point complete all as specified and directed. |
| 10 | M&L for sand cushioning to under ground cable provided with a layer of sand 8 cm depth before laying of cable and 15 cm depth after laying and stretching the cable all as specified. Note: Punned thickness of sand shall be measured & paid. |
| 11 | M&L for well burnt sub class "B" bricks of nominal size 230X115X75 mm abutting each other for mechanical protection of cable with width equal to lenght of brick including taking out old complete all as specified. |
| 12 | Relaying of serviceable bricks of nominal size 230X115X75 mm abutting each other for mechanical protection of cable with width equal to lenght of brick complete all as specified. |
| 13 | M&L for boring/ drilling (horizontally) hole manually under existing road, pavement, hard standing (maximum 10mtr in width) suitable for passing GI tubing upto 100 mm bore complete all as specified and directed. |
| 14 | Taking down or out existing serviceable/ unserviceable cable of sizes 2/3.5/4 core 10/16/25/50/70/95/120 sqmm from the trenches / ducts/ along walls / poles / through poles / under roads/ inside sub stationincluding segregation the serviceable cable by cutting down defective portion after testing by meggar (insulation tester), stacking and rolling unserviceable cable for further disposal all as directed by Engineer in charge Note :(1) Excavation / cutting of road or floor/ GI pipe & laying / relaying of cableetc shall be measured and paid seperately under respective item of this schedule. ( 2 )Serviceable brick protection to be stacked carefully for counting and re use under respective item. |
| 15 | Relaying only serviceable cable obtained from taking out in same or new location or through cable ducts inside sub station of size 2/3.5/4 core 10/16/25 sqmm in trenches / ducts / along walls / poles / under road etc including necessary cable lugs, glands etc complete all asspecified and directed. |
| 16 | Relaying only serviceable cable obtained from taking out in same or new location or through cable ducts inside sub station of size 3.5/4 core 50/70 sqmm in trenches / ducts / along walls / poles / under road etc including necessary cable lugs, glands etc complete all asspecified and directed. |
| 17 | Relaying only serviceable cable obtained from taking out in same or new location or through cable ducts inside sub station of size 3.5 core 95 sqmm in trenches / ducts / along walls / poles / under road etc including necessary cable lugs, glands etc complete all asspecified and directed. |
| 18 | Supply, fixing/ laying, connecting and commissioning LT underground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric cable with multistranded aluminium conductor, 10 Sqmm 2 core, 1100 Volts grade laid in trenches/ on wall/ poles/ ducts/ pipe including cable glands, lugs and suitable size of MS saddle clips (where ever cable laid in ceilings / walls without cable duct) complete all as specified and directed. |
| 19 | All as per item No.16 above but size 4 core 16 Sqmm |
| 20 | All as per item No.16 above but size 3.5 core 25 Sqmm |
| 21 | All as per item No.16 above but size 3.5 core 35 Sqmm |
| 22 | All as per item No.16 above but size 3.5 core 50 Sqmm |
| 23 | All as per item No.16 above but size 3.5 core 70 Sqmm |
| 24 | All as per item No.16 above but size 3.5 core 95 Sqmm |
| 25 | Supply and laying Pipes in repairs galvanized iron Light grade for cable protection of size 25mm bore completeincluding taking down old unserviceable pipe all as specified and directed by Engineer-in-Charge. |
| 26 | All as per item No.23 above but of size 40 mm bore |
| 27 | All as per item No.23 above but of size 50 mm bore |
| 28 | All as per item No.23 above but of size 80 mm bore |
| 29 | M&L for Straight through joint suitable for cable size 4 core 6 sqmm to 16 sqmm LT UGcable with necessary jointing materials and ferrule including cutting unserviceable portion of cable complete all as specified anddirected. |
| 30 | All as per item No.27 above but cable size 4 core 25 sqmm to 50 sqmm |
| 31 | All as per item No.27 above but cable size 4 core 70 sqmm to 120 sqmm |
| 32 | M &L for Repair and maintenance of APFC Capacitor bank Panel board upto 125 KVAR with 5/6 stage by chechking fault, weakness of capacitor and removing of fault including replacement of spare items complete including testing for proper automatic functioning complete all as specified and directed. Note :Spare items required for repair / maint shall be measured seperately under respective items. |
| 33 | M&L for complete rewiring of APFC panel of up to capacity 125 KVAR by taking out burnt inter connection wiring including u/s and serviceable components for reuse and rewiring of panel using existing size of copper cable, ferrule, lugs, insulating material, nut, bolt, washer of various sizes, refixing serviceable items with auxiliary coil and testing complete for proper functioning complete all as specified. |
| 34 | S&F in replacement of rectangular/ cylindrical heavy duty capacitor 3 KVAR, 3 phase , 440 volts, 50 Hz complete all as specified. Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 35 | S&F in replacement of rectangular/ cylindricalheavy duty capacitor 5 KVAR, 3 phase , 440 volts, 50 Hz complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 36 | S&F in replacement of rectangular/ cylindricalheavy duty capacitor 10 KVAR, 3 phase , 440 volts, 50 Hz complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 37 | S&F in replacement of rectangular/ cylindricalheavy duty capacitor 20 KVAR, 3 phase , 440 volts, 50 Hz complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 38 | S&F in replacement of rectangular/ cylindricalheavy duty capacitor 25 KVAR, 3 phase , 440 volts, 50 Hz complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 39 | S&F in replacement of power factor controller 30-525 Volts (mean Volatge), 230 Volts (supply voltage), 50 Hz, 6 steps, 3 phase complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 40 | S & F in replacement of contactor 3 pole, 415 Volts, 50 Hz, 25KW, minimum 50 Amps complete all as specified Make : EPCOS/ L &T/ SIEMENS/ HAVELLS |
| 41 | S & F in replacement of Push switch for Manual ON/OFF of capacitor panel including making all electrical connection complete all as specified. |
| 42 | S&F in replacement of MCB SP 6 to 32 Amps , 230 Volts, 10 KA, C curve type complete all as specified . |
| 43 | S&F in replacement of MCB SPN 6 to 32 Amps , 230 Volts, 10 KA, C curve type complete all as specified . |
| 44 | S&F in replacement of MCB TP 40-63Amps , 415Volts, 10 KA, C curve type complete all as specified . |
| 45 | Supply and Fixing in replacement MCCB 4 Pole 250 Amps, 25 KA Breaking capacity, 415 Volts, AC 50 HZ, with overload and thermal tripping features all as specified and directed. |
| 46 | Supply and Fixing in replacement MCCB 4 Pole 200 Amps, 25 KA Breaking capacity, 415 Volts, AC 50 HZ, with overload and thermal tripping features all as specified and directed |
| 47 | Supply and Fixing in replacement MCCB 4 Pole 160 Amps, 25 KA Breaking capacity, 415 Volts, AC 50 HZ, with overload and thermal tripping features all as specified and directed. |
| 48 | Supply and Fixing in replacement MCCB 4 Pole 125 Amps, 25 KA Breaking capacity, 415 Volts, AC 50 HZ, with overload and thermal tripping features all as specified and directed. |
| 49 | Supply and Fixing in replacement MCCB 4 Pole 100 Amps, 16 KA Breaking capacity, 415 Volts, AC 50 HZ, with ovrrload and thermal tripping features all as specified and directed. |
| 50 | Supply and Fixing in replacement MCCB 4 Pole 63 Amps, 16 KA Breaking capacity, 415 Volts, AC 50 HZ, with overload and thermal tripping features all as specified and directed. |
| 51 | Supply and fixingin replacement of On load changeover switch four pole of 100 Amps, 415 volts, 50 Hz, open execution type complete all as specified & directed. |
| 52 | Supply and fixingin replacement of On load changeover switch four pole of 63 Amps, 415 volts, 50 Hz, open execution type complete all as specified & directed. |
| 53 | Supply and Fixing in replacement of LED Indicator as per Colour Scheme ( Red, Yellow, Blue, Green) Suitable for APFC / LT panel all as specified and directed. |
| 54 | Supply and Fixing in replacement of voltmeter digital type 0-500 Volts AC, flush mounting type, 3 phase, class 1 complete all as specified and directed. |
| 55 | Supply and Fixing in replacement of ammeter digital type, up to 400 Amps flush mounting type, 3 phase, class 1 with suitable CTs of range as requiredcomplete all as specified |
| 56 | Demolition and Dismantaling of Concrete of any description and in any position not otherwise specifically provided for LtPanel / AMF Panel / APFC Panel / Isolation Transfomerfoundation complete including removal of old concrete all as specified and directed. |
| 57 | Material and Labour for PCC 1:3:6 type C2 using 40 mm graded crushed stone aggregate for foundation of poles,Stay etc completeall as specified and directed. |
| 58 | Material and Labour for PCC 1:2:4 type B1 using 20 mm graded crushed stone aggregate for Pedestal Coping incl necessary framework finished fair using exta cement completeall as specified and directed. |
| 59 | Supply an fixing in repairs Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size including taking down old unserviceable complete all as specified and directed. |
| 60 | M & L for repairs/ replacementof Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete including dismantling old unserviceable cross-arms of M.S. channel or angle sections etc.all as specified and directed. |
| 61 | Supplying and laying synthetic rubber insulated mats 2.5 mm thick for voltage 11 KV for electrical purpose as per IS 15652-2006, (superseeding IS 5424) suitable for electrical shock safety of sizes 2m x 1m all as specified and direted. |
| 62 | Material and labour for disconnecting of Electrical connection, earthing lead and taking out carefully defective Isolation Transformer of up to 75 KVA capacity located at AF stn Mohanbari inclusive shifting it from AF stn Mohannari to Civil workshop by using mechanically operated crane and truck and back to its original position after necessary repairs and installing the Isolation Transformer inclusive reconnection of all electrical cables wires and earthing connection complete all as specified and as directed. |
| 63 | Material and labour for dismantling of Isolation Transfomer of capacity upto 75 KVA by disconnecting all internal electric connection after draining out of transfomer oil and storing the oil in transfomer oil barrel of cap 210 ltrs for reuse and opening the top cover of the isolation transfomer by removing nuts, bolts, washers, etc and lifing the core / winding by using indoor crane removing internal electrical connections by unscrewing nut, bolts, etc cleaning entire housing of transformers and dismantling complete primary / secondary winding from the limb and removed the entire tape insulation from the existing copper winding wire complete all as specified and as directed. |
| 64 | M & L for reinsulation of Primary coil of isolation transformer by using proper size of insulation paper sheet to entire copper winding wire complete all as directed. |
| 65 | M & L for reinsulation of Secondarycoil of isolation transformer by using proper size of insulation paper sheet to entire copper winding wire complete all as directed. |
| 66 | Supply and fixing in repairs top cover gasket sheet as per exisiting size for various capacity of isolation transfomer complete all as specified and directed. . |
| 67 | M & L for dehydration & filteration of transformer oil by dehydration plant (bringing plant at site) including testing of sample before and after dehydration and filteration to achieved 40 KV at 2.5 mm gap complete all as specified and directed. Note: (a) The filtration of the transformer oil shall be carried out at different locations of Air Force Station Mohanbari. (b) The report before filtration & after filtration to be submitted by contractor. (c) Transformer oil for topping up will be measured and paid separately. |
| 68 | Supply & toping up of new transformer oil (in sealed barrel) confirming to IS 335 Std having dielectric strength 40KV at 2.5mm gap after initial dehydration complete all as specified. Make: Savita/ Castrol/ Power True/ Truoil. |
| 69 | M&L for spray painting (including bringing compressor of suitable size at site) old painted steel or iron surface of Isolationtransformer of capacity upto 75KVA complete with all connected fittings & fixturesand other standard fittings & attachments as per existing colour scheme and pattern with atleast two coats of synthetic enameled paint after duly preparing the surface by cleaning with scrapers and emrey paper to the entire satisfaction complete all as specified and directed. Note:- Contractor will apply one layer of grease over specification plate / any written letter before painting and clean the same after painting, rates for the same is deemed to be included in the item quoted rates. |
| 70 | M&L for preparation of old painted steel or iron surfaces of any description by cleaning with scrapers and emrey paper, over 10cm in width or girth, not otherwise described and applying two coat of synthetic enameled spray painting of approved shade complete all as specified. Note:- Contractor will apply one layer of grease over specification plate / any written letter before painting and clean the same after painting, rates for the same is deemed to be included in the item quoted rates. |
| 71 | M&L for writing letters or figures (Block, Roman, Italic or Indian) n exc. 30 cm high as per colour scheme all as specified and directed. |
| 72 | Supply and fix in replacement of air breather assembly transparent plastic body with top and bottom portion pressed with metallic cover, filled with new silica gel (blue in colour) suitable for Isolation Transfomer fixing on existing pipe of size 15/20/25 mm dia with suitable reducer/ connector complete as per site requirement all specified and directed by Engr-in-Charge. Note:- Cost of modification (if required to fix on existing MS pipe) shall be deemed to included in the quoted rate against this item. |
| 73 | Supply and Fix in replacement of Silica Gel dehydrated blue coloured complete all a specified and directed . |
| 74 | S&F in replacement of automatic nature timer (based on lux level of natural light) based street light panel 3phase, 12-18kW, IP66 with in-built nature switch, power contactor, incoming & outgoing 40A TP MCB, pole/ wall mounted type, thermoplastic polymer weather proof enclosure, internal connecting cables complete all as specified and directed. Make : Nature Switch/ Havells/ Legrand or as approved by GE. |
| 75 | Material and labour laying well burnt old sizebricks, straight or curved on plan , laid flat with width equal to length of brick , laid dry over electric cable for protection all as specified. |
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