Military Engineer Services-MES has published Repair / Maint Of Ht Lt Overhead Lines God Vcbs Transformers And Other Allied Works At Lansdowne. Repair / Maint Of Ht Lt Overhead Lines God Vcbs Transformers And Other Allied Works At Lansdowne.. Submission Date for this Tender is 19-02-2022. Transformer Supply Tenders in lansdowne Uttarakhand. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 12-Feb-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 19-02-2022 |
| Sl. No. | Item Description |
| 1 | Material & labour for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground. ( earth pit not less than 2.25 mtr depth below ground levelat any type of strata ) with top edge of the earth plate not less than 1.5mtr below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15cm all around the plate. connected by 32x6 mm GI strip as earth lead by means of brass nuts and bolt,thimbles check nuts, washers including concrete chamber of PCC 1:3:6 type C-1 using 20mm graded stone aggregate with fair finish, internal surface of concrete chamber shall be given internal dia 300mm x300mm, 15mm thick plaster in CM 1:4 funnel with wire mesh, RCC pit cover of 320x320x80mm size (1:2:4) Type B1 using 20mm graded stone aggregate rainforced with XPM all as shown in electrical plate No 3 of MES SSR Part-1(2009) and specified including and provision of GI strip upto 7.5 mtrs long with 40 mm dia light grade GI pipe protection and watering pipe of GI 20 mm bore, medium grade, including all exavation and earth work and connecting the earthing strip to panel, including testing on completion complete all as specified and directed by Engr-in-charge. Note:- (i) RCC pit cover shall be precast of RCC(1:2:4) type B1, 80mm thick rainforced with XPM weighing not less than 4kg/sqm in lieu of CI cover. (ii) Cost of additional GI strip more than 7.5 mtrs will be measured and paid seperately under relevant items. |
| 2 | M & L for servicing of (as described below) of indoor/outdoortype HT 11 KV VCB of various capacity of Make Crompton Greaves/ABB/ SIEMENS (a) Servicing and inspecting of draw out type trolly mounted, manual spring charge ON-OFF mechanism and testing for proper functioning of ON and OFF operation ,servicing of male female contacts,greasing all the mechanical components and applying dry graphite conductive sealent for contacts.(b) Cleaning,inspecting and testing HT 11 KVbus bar ,Checking of insulators at input and output for any crack of damages, Checking of cable termination for all the three phases, Cleaning the copper bus bar , checking for proper insulation ,tightening all the nuts ,bolts of bus bar.(c) Cleaning ,inspecting and testing of electrical wiring system, ammeter,voltmeter, VAF meter, selector switch, all illuminated indicators for RYBphase ,DC supply healthy,spring charge ,trip circuit healthy etc(d) Cleaning, inspecting and testing for over current relay ,CT for ammeter ,PT for voltmeter for display of voltage HT 11 KV (e) Setting of earth fault relay and over cuurrent relay as per ,manfacrurers"s recommendetion and site requirement |
| 3 | NOTE: (i)Cost of all the material , components, repairs, elements as per above as well as other elements (except supply only of the components considerd under itemsherein after to the extent required and operated ) to make the VCB,s/RMUs/SF6 CB complete functional shall deemed to be included in the quoted rate of the contractor. |
| 4 | (ii)Individual Breaker SF6/VCB shaall be considered as one unit andabove job is to be carried out unitwise.Above job will be carried out by licenced technician as aproved by GE. |
| 5 | (iii) Any accident/mishapenning occurred during the execution of work shall be responsibity of the Contractor. |
| 6 | (iv)All necessary tools & plants required for carrying out above job will be provided by contractor and the cost of the same are deemed to be included in quoted rate. |
| 7 | (v) Inventry of defective parts to bereplaced by contractor will be prepared by joint inspection with contractor |
| 8 | M & L for calibration of IDMT miscroprocessor based numeric relay (Three nos overcurent and one no earth fault relay) fixed in 11 KV HT panel by primary and secondary injection methodand setting the relay tripping timing in advance to match the outgoing load on the incoming andout going feeders complete all as specified and directed |
| 9 | Note :(i)Individual Breaker SF6/VCB/RMUs shall be considered as one unit andabove job is to be carried out unitwise.Above job wii be carried out by licenced technician as aproved by GE. |
| 10 | (ii) Any accident/mishapenning occurred during the execution of work shall be responsibity of Contractor. |
| 11 | (iii)All necessary tools & plants required to carry out above job will be provided by contractor and the cost of the same deemed to be included in queoted rate. |
| 12 | Supply, install, testing and commissioning of microprocessor based numeric feeder protection relay ( over current three nosand earth fault one no)with low set, high set testing, typeMake; REF 615 of ABB or equivalent in L&T /Simense for11 KV HT panel incl taking down old u/s relay complete all as specified & directed. |
| 13 | S&F in replacement cable jointing kit11 KV (Earthed) grade cable for outdoor termination Cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPEarmoured aluminumconductor cabe of size95 sqmm , complete all as specfied and directed. |
| 14 | Disconnecting all in coming and outgoing cables, removing the transformer from the platform / two pole structure / floor and loading it in the vehicle carefully using crane and transporting it to approved nearby workshop, for carrying out maintenance of transformer all as specified in IS -10028 (part III) - 1981 following by Opening of transformer cover, draining out oil, de-tanking core and coil assembly,cleaning, washing of dust and dirt etc from all parts including core and tank, cooling tubes of radiators, re-assembling of core and winding after carrying out necessary repair and replacement of defective items including providing all necessary insulation material of appropriate class including varnishing drying out in vacuumchamber till specified IR values are achieved if required, complete insulation varnishing to be doneand providing new gasket, nuts , bolts,and checking of leakages if any,rectifying the same by welding, checking of tap change if found faulty, repair / replace the same etc, replacement ofsilica gel and reassembling of complete transformer all as directed by Engr-in-Charge , including testing as per relevantIS and transporting back the transformer after repair/maintenance to the site , installing it, reconnecting all the incoming and out going cables by properly using insulation tape and testing complete of following capacities. |
| 15 | (a)250 to400 KVA 11000/433 Volt Distribution transformer |
| 16 | (b) 100 to 200 KVA 11000/433 Volt Distribution transformer |
| 17 | Note - (i) Cost of items required to be replaced will be measured and paid seperately as supply only under relievent items of this contract. The labour charge for replacing the same are deemed to be included in the rates quoted. (ii) The cost of painting inside & outside of transformer also deemed to be included in the rates quoted. (As per IS -10028 (part III) - 1981.) (iii) The standby transformer will be provided by the contractor without any extra cost for continuous power supply, while carrying out repair of transformer. (iv) Any other items which is required to be provided for smooth functioning of transformer but not specified above shall be provided by contractor without any extra cost . The cost of the same are deemed to be included in the rates quoted. (v) The inventries of all defective items to be replaced/repaired will be prepaired jointly by Engr-in Charge and contractor at the time of inspection of defective trasformer after opening at the firm"s workshop. The inventries will be signed by both Engr-in Charge and contractor before starting of repair work. (vi) The transformer will be got repaired from approved manufacturer /workshop having licence for the same, The firm shall be got approval from GE. |
| 18 | Supply only newHV coil of copper conductor suitable for 11 KV distribution transformer complete alongwith insulating material duly varnished by vacuum impregnation (as per sample) and backed coil assembly complete all as specified & directed. |
| 19 | Supply only newLV coil of copper conductor suitable for 415 V distribution transformer complete alongwith insulating material duly varnished by vacuum impregnationas per sample) and backed coil assembly complete all as specified & directed. |
| 20 | Supply only HTbushing with stud , seal etc for 250 KVA to 400 KVA transformercomplete all as specified and directed. |
| 21 | Supply only HTbushing with stud , seal etc for 100 KVA to 200 KVA KVA transformer. |
| 22 | Supply only LTbushing with stud , seal etc for 250 to 400 KVA transformer complete all as specified and directed. |
| 23 | Supply only LTbushing with stud , seal etc for 100 KVA to 200 KVA transformer complete all as specified and directed. |
| 24 | Supply only silica gel breather assembly with fresh silica gelfor250 KVA to 400 KVA transformer complete all as specified and directed. |
| 25 | Supply only silica gel breather assembly with fresh silica gelfor100 KVA to 200 KVA transformer complete all as specified and directed. |
| 26 | Supply only insulating transformer oil confirming to IS 335 1993 for replacing in power/distribution transformerwith dielctric strength not less than 60 KV complete all as specified and directed. |
| 27 | Supply only dial type thermometer of 150 mm dia with max temp indicator complete with resetting device and alarm contacts etc complete all as specified & directed. |
| 28 | Supply only transformer off load tap changer suitable upto 400 KVA transformers 11 KV/433 volts including removing the existing u/s one complete all as specified. Make :-Jaipuriya Brothers/Crompton/GEC/BHEL/ATLAS |
| 29 | Supply only set of gasket complete for transformer of capacity 100 KVA to 400 KVA all as specified and directed by Engineer-in-Charge. |
| 30 | M&L for Filteration/ dehydrationand cleaning of transformer oil off line by dehydration plant including testing of samples before and after dehydration and filtration, dielectric strength should not less than 55 KV at2.5 mm gap after dehydration/filtration all as specified and directed. Note:- For running of filtration plant the arrangement of electric supply / DG set should be made by contractor and the cost of same deemed to be include in quoted rate. |
| 31 | Supply, installation, commissioning and testing in repacementof HT 11 KV outdoor type gang operated triple pole air break switch suitable for Horizontal or vertical mounting fixed type complete with 12 insulator 200 amps rating and steel frame mechanically oprated mechanism consisting of operating rod of 25 mm bore light grade GI pipe of suitable length worked from ground level and with locking arrangement flat iron clamp 50 mmx6mm including MS channel of suitable size length for fixing GOD including bolts, nuts and washer complete all as specified and directed. Make:- JAIPURIA BROTHERS, Pactel, Atlas, ECE, Areva |
| 32 | S & F silica gel dark blue type laboratory grade in the transformer including removing the old one complete all as specified. |
| 33 | Supplying, streching and fixing in replacement ofover head ACSR conductor any size ie. weasel,Ferret,andDogand anytype fixing on iron steel tubular pole including binding/jointing theconductor to insulatorwith and incl 14 SWG binding wire complete all as specified and directed. |
| 34 | M&L, for galvanized steel wire 3.15 mm or4mm dia continous earth wire on pole or guard wire for protecting fallen overhead conductor incuding winding wire of suitable size complete all as specified and directed. |
| 35 | Restrechingonly over head ACSR conductor / earth wire of any size and type comprising of one conductors/wire over steel tubular poles, incl opening, streching, binding and jointing the conductor to insulater with and incl 14 SWG binding wire and tape the jumper complete all as specified and directed. |
| 36 | M&L for punning of tree branches touching to electric overhead lines with growth around LT/HT overhead lines poles and stay complete to clear span of 2 mtr all around the OH line poles with all tools and plants as required at site by the contractor including cleaning the area/site. Note: (i) Any breakdown of line caused duringg the punningg shall be made good by the contractor without any extra cost (ii) Distance between pole to pole shall be measured as one span. (iii) Only those span will be measured in which trees are alives. |
| 37 | Supply & fixing in replacement pin type composite polymer insulator including one galvanised mild steel spindle , two galvanised iron washer and one galvanised iron nut,suitable ffor 1100V grade complete all as specified and directed by Engr in Charge |
| 38 | Supply & fixing in replacement shackletype composite polymer insulator including one galvanised mild steel strap, washer and one galvanised iron nut, bolt ,suitable for 1100V grade complete all as specified and directed by Engr in Charge. |
| 39 | S&F in replacement for pin typecomposite polymer insulator including one galvanized mild steel spindle two galvanized iron washer and one galvanized iron washer and one galvanized iron nut suitable for 11000 volts grade complete as specified & directed by Engr in Charge. |
| 40 | S&F in replacement disc type composite polymer insulator ball and socket type assembly tension with tension clamps for conductor working pressure 11000 volts all as specified and directed. |
| 41 | Dismantling and taking out old unserviceable Tubular pole and struts of any size including clamps insulators, cross arms etc of any type complete all as specified and directed. |
| 42 | Supply, transporting, erection and fixing steel tubular swaged pole, 11 metres long, type 410 SP-55, complete with MS base plate 6 mm thick, pole cap, finial taper plug, bolts, nuts, washers etc includingnecessary earth work and excavation, PCC in foundation 1:4:8 type D-2, using 40 mm graded stone aggregate and PCC 1:3:6 type C-2, using 40 mm graded stone aggregate as in plinth block, disposal of surplus soil to a distance not exceeding 50 m, painting two coats of aluminium paint over one coat ofred oxide primer including 5 Nos band/straps with yellow and black colour in alternatete way (250mm wide each) synthetic enamelled paint two coat at a distance 300mm from plinth block and marking pole nos with black synthetic enamelled paint including tarring one coat on steel surface embedded in concrete complete all as specified and directed.. |
| 43 | Dismanlting and taking down bend/damaged mild steel work such as cross arms, bracing, supported, clamps & back plates etc |
| 44 | M&L for 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 including of one primer coat,one under coat and one finishing coat and one finishing coat of paint.complete all as specified and directed. |
| 45 | M&L for painting of steel tubular HT Pole 11 mtr long and mild steel work such as cross arm, clamps, nuts, bolts, etc including preparation of old painted surface and painting two coats of aluminium paint including 5 Nos band/straps with yellow and black colour in alternatete way (250mm wide each) synthetic enamelled paint two coat at a distance 300mm from plinth block and marking pole nos with black synthetic enamelled paint complete all as specified and directed.. |
| 46 | Dismantiling stay assembly complete all as specified and as directed |
| 47 | Supply & fixing stay assembly complete with all accessories, such as stay plate 300x300x6mm, stay rod 215cm long and 20 mm dia with nuts including GI bow turn buckle etc., all as per Electrical plate No 1 or SSR -2009 Part I complete all as specified and as directed.Make : Jaypuria Brothers/Pactil/Jaishree Note.Loop type insulator, stay clamps, excavation, PCC will be measured and paid separately. |
| 48 | M&L for loop type insulatorsvitreous porcelain white, brown or green large size with overall dimensions 65x90mm mm clearance of hole 25.5 mm complete all as specified and directed. . |
| 49 | Taking up/down of old U/S HT armoured cable and Supply and lay XLPE insulated, screened, PVCbedded,galvanized steel strip armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, grade (earthed) cross sectional area 95 Sqmm, 3 corecomplete all as specified and directed Note : The earth work, GI pipe shall be measured and paid separately under appropriate item of Sch A. Make : Havells/KEI/Glostar |
| 50 | Disconnecting the unservicable under ground cable, taking out the same and supplying, laying, commissioning and testing of 1.1 KV grade XLPE insulated PVC sheathed steel armoured stranded aluminium conductor LT UG cable (Conforming to IS 1554) in trenches/ducts/through GI Pipes under roads of size 50 Sqmm 3.5 Core complete all as specifed and directed. Make : Havells/KEI/Glostar Note : The earth work, GI pipe shall be measured and paid separately under appropriate item of Sch A |
| 51 | Excavation in trenches in soft/disintegrated soil not exc 1.5 m wide and not exceeding1.5m in depth forlaying UG cable/foundation etc complete all as specified and directed. |
| 52 | Excavation in trenches in soft/disintegrated soil butnot exc 1.5 m wide and exceeding1.5m in depth forlaying UG cable/foundation etc complete all as specified and directed. |
| 53 | Returning filling in soft/disintegrated soil including spreading levelling watering and well ramming in layers n.exc 25cm each layer complete all as specified and directed. |
| 54 | Removal of excavated surplus soft/disintegrated soil to a distance not exc 50 mtrand depositing where directedat a level not exc 1.5 mtrabove the starting point complete all as specified and directed. |
| 55 | M&L for sand cushioning for under ground cable with layer of fine river dry sand 80 mm thick before laying of cable and 150 mm thick after laying of cable in trenches complete all as specified and directed by Engg-in-Charge. Note:- Punned (consolidated ) thicness of sand will be measured and paid. |
| 56 | M&L for un-reinforced precast concrete cable cover classHVP, type 1 with peak size 300mmx180mm x 40mm compliance with IS:5820-1970, as cable protection over sand cushioning perpandicular across the cable length wise in trenches complete all as specified and directed. |
| 57 | M&L for GI water tubing, 80 mm bore, light grade as in sleeving etc laid in trenches / pole post /under culvert/ under road etc. for cable protection complete all as specified and directed . Make : Jindal/TATA |
| 58 | M&L for GI water tubing, 50 mm bore, light grade as in sleeving etc laid in trenches / pole post /under culvert/ under road etc. for cable protection complete all as specified and directed . |
| 59 | M & L, PCC (1:2:4) type B-1 (using 20mm graded crushedstone aggregate) as in mass concrete/coping complete all as specified anddirected. |
| 60 | M & L, PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in mass concrete/foundation complete all as specified and directed. |
| 61 | M & L PCC 1:4:8, type D2, ( using 40mm gradedcrushed stoneAgg) in foundation andposts including caps and bases all as specified as directed. |
| 62 | Supply, installation, testing and commissioning as in repair of Lighting Arresters Metal oxide type, distribution class with all fittings arrangements suitable to 11000 volts grade and discharge capacity 12 KV/10KA with and incuding lighting counter and cable of sutable size and core from lightning arrestor to ligting counter complete all as specified & directed.Make :-Jaipuriya Brothers/Crompton/GEC/BHEL/ATLAS |
| 63 | Prepration of old surface of distribution transformer 11 KV/433 Vfor painting externally including fins/radiators removal of all rust/oil/grease and unwanted material and then two coats of synthetic enamel metallic paint by means of spray gun at site of installation of tranformer complete all as specified and directed by Engr-in Chargefor transformer of capacity upto 200 KVA |
| 64 | Prepration of old surface of distribution transformer 11KV/433Vfor painting externally including fins/radiators removal of all rust/oil/grease and unwanted material and then two coats of synthetic enamel metallic paint by means of spray gun at site of installation of tranformer complete all as specified and directed by Engr-in Charge suitablefor transformer of capacity 250 KVA to 400 KVA. |
| 65 | S&F in repair galvanized strip 32x6 mm buried in ground complete all as specified & directed by Engg-in-Charge/GE. |
| 66 | Supply installationtesting and commissioning off 11KV/12 KV 630 Amps Non extensible outdoor 3 way RMU panel with 1 isolator and 2 VCB SF6 insulated 11 KV Ring Main unit contained within stainless steel tank suitable for outdoor use free standing and comprising of: |
| 67 | 02 Nos- 630 Amp triple pole manually operated vacuum circuit breaker encapsulated in SF6 stainless steel tank with independent spring mechanism and fully rated earth switch with provision for earth of the cable. |
| 68 | 02 Nos- Air insulated cable boxes with split gland plate suitable for front side botttom entry 3 core cable upto 300sqmm |
| 69 | 01 Nos- 630 Amp triple pole single break three position(ON OFF and EARTH) ring main switch each with independent manual charged spring mechanism and fully rated earth switch with provision for earth and test of the cable |
| 70 | 01 Nos- Air insulated cable boxes and gland suitable for front and bottom cable entry three core to 300 sqmm |
| 71 | Ring main unit should comprise of the following accessories: |
| 72 | 1 Mimic diagram on front panel complete with status indicator |
| 73 | 1 set of positive standard mechanical interlock |
| 74 | 02 set of current transformer for metering and protective relay with suitable ratio class |
| 75 | 02 Nos master trip relay with auxiliary relay for transformer fault indication |
| 76 | 02 Nos trip circuit supervision relay auxiliary relay for transformer fault indication |
| 77 | 01 Nos power pack equipment with backup of 15 minute for operation of relay |
| 78 | 5 set of Neon indicator lamp for cable live indicator |
| 79 | 03 Nos PT 11 KV /v3 with voltmeter and selector switch |
| 80 | 01 Nos digital ammeter 100 amp with selector switch |
| 81 | 01 Nos digital voltmeterwith selector switch |
| 82 | 01 Nos external stud for earthing connection |
| 83 | 02 Nos SF6 gas pressure indicator |
| 84 | 03 Nos local PULL to TRIP meachnism |
| 85 | 01 Nos operating handle |
| 86 | 01 Set copper busbar common for outgoing feeder |
| 87 | Mannual charging for operation arrangemment |
| 88 | Fuse for metering and protection system |
| 89 | Front bottom entry of HT cable |
| 90 | Paint finish- all steel work will be finished painted in dark grey shaded 632 as per IS RMU panel should have following general characteristics |
| 91 | Enclosure degree of protection- IP54 |
| 92 | type of Ventilation- Natural |
| 93 | Rated enclosure - K10 |
| 94 | Rated power frequency withstand volatage KV RMS/min - 28/38KV |
| 95 | Rated lightening impulse withstand voltage KV 1.2 /50 micro sec- 75//95 KV |
| 96 | Short time current rating KA 4 Sec - 20 KA/3 sec |
| 97 | Rated short circuit making current - 50 KA |
| 98 | Reference standard - IEc62271-202 |
| 99 | Make: L&T / SIEMENS/ ABB |
| 100 | Note: Necessary drawing shall be got approved before placing order and PDI including testing shall be carried out by the rep of accepting officer. The cost of PCC platform for mounting RMU panel as per manufacturer instruction is deemed to be included in the quoted rate. |
| 101 | M&L for installation of 3D Acrylic letter board of various sizes consisting of following specification :- (i) Frame work for glow sign board to be made with MS square pipe of size 25x25x2.6mm cut to required size incl welding, drilling holes, bending etc and painted with two coats of synthetic enamel paint over one coat of red oxide primer complete for required size complete. (ii) ACP Sheet of 0.8 mm thickness cut to required size and fixed by screwing, drilling holes, bending etc from all sides of the board except front.(iii) Acrylic sheet milky white colour 3.0mm thickness cut to required size and fixed in front. (iv) Matter for writing, Colour, type and size of font will be approved by GE.(v) Creating 3D Acrylic letters from the design approved by GE, using a laser cutting machine followed by extrading in 3D using a metthod called skirting. (vi) LED modules fitted in the hollow space beneath the 3D letters or logo of signboard with necessary electric fittings and connection from existing pole / DB complete.(vii) MS square pipe for support 100x100x5mm shall be used for support of board and painted with two coats of synthetic enamel paint over one coat of red oxide primer. Note:- (i) Grouting the support pipe in Brickwork/RCC pillars using (1:3:6) PCC shall be considered in quoted rate for this item. (ii) The support MS Square pipe to be fixed in ground/pillar all as per specified and as directed. (iii) Sintex junction box fixed with 1 MCB SP of capacity 06 to 10 Amp for ON/OFF control of glow sign board and cable for making connection from existing pole / DB / Busbar to Junction box deemed to be included in the rates quoted. |
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