Military Engineer Services Tender
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Military Engineer Services - MES Tender
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date13 Jan 2025
Closing Date10 Feb 2025
Tender Amount₹ 1,23,20,000
Costs
EMD
₹ 1,98,200Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
81171 Special Repair For Replacement Of Ber/old Vintage Ht 11/0.433kv 300 Kva Transformer Of Officer Md Accn ,jayant Park Substation With 315 Kva Css And Replacement Of Ber/old Vintage Ht 11/0.433kv 750 Kva And 160 Kva Transformer At Main Power Hou
Description
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Contact
Tender Id
2025_MES_693106_1Tender No
81171 SPECIAL REPAIR FOR REPLACEMENT OF BER OLD VINTAGE HT 11 0.433KV 300 KVA TRANSFORMERTender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
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[d] Transformer [Inside Compact Sub-Station]: 315 KVA, 11KV / 433V, 3 Phase, 50 Hz, DYn11, ONAN Cooling, oil filled type, Copper Wound, CRGO Core Transformer with OFF load tap change over of range +7.5% to -7.5% in steps of 2.5% on HT side of transformer, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to losses as per IS 1180 energy efficiency level-2 with latest amendment – 1 Nos.
[e] LV Switchgear [Inside Compact Sub-Station]: 433 Volts, 50 Hz, indoor LV Panel with Aluminium Busbars [100% for Phase & 50% for neutral, of rating 1.5 times the transformer rated current fabricated using 2 mm thick CRCA Sheet Steel, Ingress Protection IP4X, Compartmentalised complete with internal wiring consisting of following:
[i] Incomer: ACB, 630 Amps, 4P, 50 KA, 433 Volts, 3 Phase, 50 Hz, Fixed Manual/Motorised type with Microprocessor based O/L, S/C, E/F Release – 1 Nos
[ii] Metering for Incomer: EM6433 Energy kWH Meter-01 No, LT Metering CT’s, 1000/ 1A, Cast Resin Type, Class - 0.2 – 1 Set (set of three), R, Y, B, ON, OFF, Trip LED Indicating Lamps – 1 Set, Control MCB, SP, 6 Amps – As required [iii] Outgoing: MCCB 400 Amps, TPN, 35KA, 433 Volts, 4P, 50 Hz, Fixed Manual type adjustable with Microprocessor based O/L, S/C & E/F release – 2 Nos
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[iv] Metering for Outgoing: Digital Multifunction Meter with A, V, KW, KWH, PF, Class 0.5 with Port for each outgoing feeder, LT Metering CT’s, 400 / 1A, Cast Resin Type, Class - 0.5 – 1 Set, R, Y, B, ON, OFF, Trip LED Indicating Lamps – 1 Set for each outgoing feeder, Control MCB, 6A, SP – As required.
[f] Compact Substation shall be outdoor Plinth Mounted Type. The rate quoted is deemed to be including the cost of Erection, Commissioning of Compact Substation and Civil work such as Construction of foundation of required size including trench for the cabling work etc. complete in all respect as per OEM design & recommendation . However the bidder shall furnish the foundation details for approval as per OEM recomendation before executing the work. [g] Compact Substation shall be complete with the internal interconnections & Earthing [GI] and extending of earth bar of Neutral and body terminals to the frame of the Compact Substation for connecting to the earth pits.
[h] The bidder shall assemble the Compact substation at factory and no assembly of the same shall be allowed at site. Bidder shall be responsible for Installation & commissioning Compact substation. Technical data sheet of the Transformer, HV / LV Switchgear, Relay etc. shall be submitted for approval before placing the supply order.
[j] The bidder shall supply suitable & required no. of HT & LT Cable termination kits along with Compact Substation for HT & LT Cable terminations.
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[k] The Design for Internal Arc Fault shall be tested for 20KA for 1 Second as per IEC 1330/62271-202.
[l] Pre-Dispatch Inspection: Bidder shall offer for pre-dispatch inspection at manufacturer site or e-testing as directed by accepting officer. The cost for the same deemed to be included in the quoted rsate. Only after the equipments are cleared by the department in writing, the bidder can dispatch the equipment. Routine tests shall be conducted and original test certificates shall be submitted at the time of Pre-Dispatch Inspection. [m] Commissioning Spares: Additional commissioning spares such as Digital Multifunction Meter – 1 Nos, Indication lamps – 3 Nos, Protection Relay – 1 Nos, Spring Charging Handles – 2 Nos and Panel Keys – 2 Nos shall be provided by the bidder. [n] Suppressors or other protection devices shall be provided, if required as per schedule of quantities, wherever the sub-station installation is likely to interfere during the operation with any other electric or electronic equipment.
(p) The rate is inclusive for cement concrete foundation all as per manufacturer's recommendations / design.
(q) Pre-commissioning test by AEI/ ESO or any testing officer as nominated by HQ CE (A&N) Zone through Accepting Officer after installation of RMU. (r) The Contractor shall submit GA drawings of CSS for approval of Accepting Officer before placing order.
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Supply & fix cable jointing kit for 11 KV grade XLPE cable for Indoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm, testing after jointing including taking down defective end joint complete all as specified and as directed.
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Taking down of unserviciable old LT UG Cable of any size and any type complete all as specified and directed .
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Suppy and laying in trenches / fixed on walls / passing through pipes, jointing and testing of electric LT cables, XLPE insulated, PVC sheathed, galvanised steel strip or wire armoured electric power cables with stranded aluminium conductors 1100 Volts grade of size 3.5 core 400 Sqmm complete all as specified and as directed by Engineer-in-Charge :-
Note:
(i) The rates shall be inclusive of Cable lugs at both ends of cable and straight through joint kits if necessary.
(ii) Excavation earth, returning, re filling and end termination kits shall be measured and paid seperately.
(iii) Insulation Resistance value of cable shall be recorded before and after laying of cable.
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Supply & Laying of DWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 120 mm polythylene including coupler & Bend with smoooth inernal and corrugated external surface for non pressue under ground cable complete all as specified and as directed by Engineer-in-Charge.
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M & L for excavation in trenches any type of soil (soft/loose/hard/dense) not exc 1.5 mtr wide and not exc 1.5 mtr in depth for foundation, pipe, laying of cable etc not exc 10 Sqmtr on plan and not exc 1.5 mtr in depth and getting out complete all as specified and as directed.
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M&L for returning filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soft/loose soil completeall as specified and as directed.
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M&L for removing excavated materials (soil) to a distance not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meters above the starting point all as specified and as directed.
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S & F cable jointing kit for 1100Volt grade cable for indoor / outdoor end termination joint kit, heat shrinkable type joint complete with jointing materials and accessories suitable for LT, XLPE armoured aluminium conductor cable of size 400 Sqmm 3.5 core complete all as specified and as directed.
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Dismantling of 300 KVA transformer and shifting to MES store yard complete all as specified and as directed.
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Supply, installation, testing and commissioning of copper wound step up transformer, indoor type, oil immersed , naturally cooled ONAN, rated temperature rise in oil & winding 45/50 degree centigrade complete with standard fittings of capacity not less than 1000 KVA or nearest higher capacity as per latest IS 1180-2014, HT 11 KV, 3 phase, LT, 433V, 4 wire, 50Hz of vector group Dyn-11 with off load tap changing device on HT side to vary secondary voltage from + 7.5% to -7.5% in steps of 2.5%, including cable box on LT and HT side , first fill of transformer oil, suitable mounting rails of appropriate gauge and other standard accesssories all as per IS:1180 (Part 1) : 2014 with maximum total losses as per energy efficiency level 3 of IS:1180 (Part 1) : 2014 and latest ammendments.
Make: Bharat Bhijlee/ BHEL/ CG/ Schneider/ABB/Voltamp - vadodara/ ITE - Gurgaon
Note: The rate quoted deemed to be include the cost of the following:-
a) Accessories such as magnetic oil level gauge, rating and diagram plate, monogram plate, explosive vent with daiphargm, thermometer pocket with thermometer, top filter valve, gun metal drain valve at bottom, Air release plug, Inspection cover, lifting lugs/hooks, earthing pads, bi-directional plain rollers, oil temperature indicator, winding temperature indicator, Buchholz relay with valve, marshalling box, silica gel breather & other standard accessories all as per IS:1180 (Part 1) : 2014
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b) The transformer to be erected indoor/ inside sub station. Necessary transformer foundation shall be deemed to be included in the quoted rate. The rate quoted is also inclusive of making good distributed flooring/ surfaces all as directed.
c) The Contractor shall make all necessary arrangements for pre-despatch inspection at manufacturer site or e-testing as directed by Accepting Officer and for pre-commissioning test by SEI/EI/ESO or any testing officer nominated by HQ CE (A&N) Zone through Accepting Officer in case of non - availability of SEI/ EI/ ESO. The cost for the same is deemed to be included in quoted rate.
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Material and labour for earthing with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to galvanised iron strip 32 mm x 6 mm by means of GI Welding made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead, 20 mm dia GI pipe for watering and earth plate surrounded by packed layer of coal and common salt, 15cm thick all around bottom and top, watering pipe of 20 mm bore of light grade with funnel all as shown in electrical plate No 3 of SSR Part-I (2009) and connecting to earthing test point, main switch board/ transformer neutral and testing on completion as directed including earthing pit in PCC (1:3:6) type C-1, pre-cast reinforced cover with MS XPM Jalli, RCC 1:1.5:3 cover slab of size 450 x 450 x 100 mm with one handle made out of 8 mm dia round bar, wire mesh and testing complete all as specified and as directed including dismantling old defective earth pit.
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Note: (i) Cost of GI earth Strip and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item.
(ii) The unit rate shall also includes for Wire mesh, funnel, excavation.returninng & filling. PCC chamber pit,RCC cover & test point.
(iii) If the desired earth resistance is not achived during testing as per IS the complete earthing shall be carried out by the contractor at his own cost and no extra claim shall be admissable.
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Supply & laying Galvanised iron strip 32 x 6mm buried in ground for earthing including taking down complete all as specified and as directed.
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Supply, laying in trenches/ ducts, fixed on walls, passing through pipes, testing & termination of HT UG cable, XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with stranded aluminium conductor 11 KV grade cable of size 3 core 120 Sqmm including taking down defective cable complete all as specified and as directed.
Note:
(i) HT end termination kits/ straight through joints shall be measured and paid separately.
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Dismantling of 750 KVA transformer and shifting to MES store yard complete all as specified and as directed.
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Dismantling of 160 KVA transformer and shifting to MES store yard complete all as specified and as directed.
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