Tender For Provision Of Voltage Stabilizer With Isolation Transformer For Critical It Infrastructure At Hemrl
Tender Value
Ref. Documents
Estimated cost
Bid Submission
04 Aug 2026
20 days left
EMD
94000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Pune → Maharashtra
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Provision Of Voltage Stabilizer With Isolation Transformer For Critical It Infrastructure At Hemrl
BOQ
| Sl. No. | Item Description |
| 1 | Excavating holes in all kinds of soil more than 0.10 cum & upto 0.5 cum including getting out the excavated soil, then returning the soil as required in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering etc. disposing of surplus excavated soild, as directed within a lead of 50 m and lift upto 1.5 m. complete all as specified and directed. |
| 2 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:2:4 type B1 (using 20 mm graded stone aggregated) complete all as specified and directed. |
| 3 | Material and labour for Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 applying a priming coat of approved steel primer Complete all as specified and as directed by Engineer-in-Charge. |
| 4 | Material and labour for Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer complete all as specified and directed. |
| 5 | Supply and fix Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed. |
| 6 | Material and labour for Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications for Painting of Steel work with Deluxe Multi Surface Paint to give an even shade. Two coats applied @ 0.90 ltr/ 10 sqm over and under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand and manufacture complete all as specified and directed. |
| 7 | Earth work in excavation for all kind of soil, by mechanical means (hydraulic excavation) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 Sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m complete all as specified and directed by Engineer-in-charge. |
| 8 | Excavation work for ordinary rock by mechanical means (Hydraulic excavator) / manual means in foundation means in foundation trenches or drains (not exceeding 1.5m in width or 10 Sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50m. Ordinary rock complete all as specified and directed by Engineer-in-charge. |
| 9 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) complete all as specified and directed. |
| 10 | Material and labour for Random Rubble Masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level with cement mortar 1:6 (1 cement : 6 coarse sand) complete all as specified and directed. |
| 11 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50m and lift upto 1.5m complete all as specified and directed. |
| 12 | Supplying and fixing for PVC (SWR) pipes 110mm dia in any length for deep holes complete all as specified and directed. |
| 13 | Material and labour for extra over stone walling for hammer dressing to face stones and dressing or face beds and joints as directed of random rubble walling, uncoursed or brought upto courses 20mm deep in granite or trap stone complete all as specified and directed. |
| 14 | Material and labour for keyed pointing to random or polygonal rubble, uncoursed or brought upto courses in CM (1:3) complete all as specified and as directed. |
| 15 | Providing and laying cement concrete in retaining walls, return walls, walls (any thicknes) including attached pilasters, columns, piers, abutments, pillars, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc. upto floor five level, excluding the cost of centering, shuttering and finishing 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20mm nominal size) complete all as specified and directed. |
| 16 | Material and labour for rendering 12mm thick cement plaster of mix cement mortar 1:4 complete all as specified and directed. |
| 17 | Supply and fix at site Angle iron post strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete all as specified and as directed. |
| 18 | Supply and fixing for steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar work complete all as specified and directed. |
| 19 | Providing and fixing GI chain link madeup with wire of 4mm dia fabric fencing of required width in mesh size 50x50mm including strengthening with 2mm dia wire or nuts, bolts and washers as required complete all as specified and directed. |
| 20 | Material and labour for finishing walls with Acrylic smooth exterior paint of required shade for new work in two coat applied @ 1.67 ltr/10Sqm over and including primming coat of exterior primer applied @ 2.20Kg/10Sqm of approved brand and manufacture complete all as specified and directed. |
| 21 | Material and labour for finishing with deluxe Multi surface paint system for interiors and exteriors for painting of steel work with deluxe multi surface paint to give an even shade. Two coat applied @ 0.90 ltr/10Sqm over an under cate of pimer applied @ 0.80ltr/10Sqm of approved brand and manufacture complete all as specified and directed. |
| 22 | Supply and fix Servo Voltage Stabilizer for automatic operation A+ grade, three phase pure copper winding with high low voltage cut off bypass switch and all other standard accessories, microprocessor based suitable for fast fluctuation if occurs in input side, voltage range 300-480 volts, naturally oil cooled, indoor type, output voltage stabilized at 415 with accuracy ±2.5% and speed of correction 8 Volts per second and of capacity 300 KVA with first fill of transformer oil (confirming to IS 335) of required quantity. Stabilizer must meet the following specification :(a) Servo Controlled Voltage Stabilizer. (b) Natural Oil Cooled. (c) Three phase 4 wires. (d) Input voltage range 300-480 Volts (e) Operation voltage range 170-280 Volts. (f) Output voltage - 415 Volts AC 3 phase. (g) Single phase output 220 Volts AC. (h) Output Accuracy +/-2.5%. (j) Frequency = 50 Hz +/-3Hz. (k) Duty Cycle - continuous 24x7 operation. (l) Efficiency- >98%.(m) Construction features : Winding material -100% copper, transformer type - Buck Boost transformer, core material - CRGO laminatino , insulation class - Class - H, Tank material - Heavy duty MS tank, cooling medium - Transformer oil.(n) Protection Features : High and low voltage protection, overload protection, short circuit protection, phase failure protection, single pahse protection, bypass switch facility.(o) Metering Facility : Digital LCD display, input and output voltage indication, load current indication, frequency indication, phase healthy indication, faul indication lamp. |
| 23 | Supply, installation, testing and commissioning, isolation transformer 300 KVA, 415 Volts (Fixed ration), 3 phase, 50 Hz, ONAN cooled oil immersed copper wound, indoor type, complete with first filling of IS-335 ISI marked filtered and dehydrated transformer oil electrostatic shield between primary 415 Volts in Delta connection and secondary 415 volts in Star connection complete with all necessary standard fittings / accessories with Vector Group Dy-11 complete all as specified and directed, isolation transformer must meet the following technical specification and standard fittings & accessories:-Technical Specifications:-(a) Rating in KVA - 300 KVA, Indoor(b) Voltage ratio _ 415/415 Volts(c) Frequency - 50 Hz(d) Winding - Electrolytic Grade, Copper Double Wound(e) Connection primary / secondary - Delta/Star(f) Vector Group - Dyn 11(g) Cooling type - ONAN(h) Ambient temperature - 50 degree celcius(j) Temp rise above ambient (Oil/Winding) - 50/55 degree celcius(k) Tap switch - Off circuit tap switch(l) Terminals - Primary and secondary both side cable box(m) Insulation - Class AStandard Fittings & Accessories :-(n) Off circuit tap switch, lifting lugs, top cover lugs, earthing terminals, conservator with oil gauge glass, oil filling hole with plug and drain plug, Transformer drain valve, Bi directional plain roller, explosion vent with diaphragm. Termometer pocket, Air vent plug, silica gel breather, rating & digram plate, inspection cover terminal marking plate, cooling radiators, LV neutral bushing brought out for external earthing and first fill of EHV grade transformer oil as per IS 335 grade. |
| 24 | Supply, Laying and testing cable XLPE insulated, screened, PVC bedded,galvanised steel strip or wire armoured, electric power cables ( heavy duty) 1100V grade with stranded alluminium conductor of size 300 sqmm 3.5 Core complete all as specified and as directed. |
| 25 | Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for taking out/laying of LT under ground cable and getting out in the soft earth strata complete all as specified and as directed. |
| 26 | Supply and laying un-reinforced precast concrete cable cover class HV, Type I, flat, size 250mm x150mm x 40mm for cable protection all as specified and directed by the Engr-in-Charge. |
| 27 | Supplying, spreading, leveling and well ramming in layers not exceeding 20 cm in height stone crushed sand filling under floors or in foundations including watering and consolidation complete all as specified and directed by Engr-in-Charge. |
| 28 | Material and labour for returning/filling available excavated earth (excluding rock) in trenches, sides of foundations etc in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m complete all as specified and directed. |
| 29 | Removing excavated materials not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed. |
| 30 | Material and labour for earthing with galvanised steel earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground earth pit not less than 2.25 M deep below ground level with top edge of the plate not less than 1.5 M below normal ground level connected to galvanised earth lead strip 25mm x 5 mm by means of nuts, bolts, check nuts, washers of galvanised iron or steel all as shown in electrical plate No. 05 of SSR Part I connected to earthing test point including excavation/ earth work in any type of strata, removal of surplus excavated material, GI pipe for watering and funnel, PCC 1:3:6 type C1 chamber RCC 1:2:4 type B1 in cover slab GI funnel with GI watering pipe 20 mm bore med gde, wire mesh, protection pipe 20 mm bore GI pipe light gde for earth lead upto 7.50 m long including testing complete all as specified and directed by Engineer-in-Charge. |
| 31 | Supply and fixing 25mm x 5mm GI strip on surface or in recess for connections etc as required at site complte all as specified and directed. |
| 32 | Supply, install test and commissioning of Outdoor LT Bus bar Feeder Pillar Enclosure CPRI approved cubical made of 3 mm thick with IP 54 grade of protection CRCA sheet, powder coated of size 1420mm x 1470mm x 600mm with support of 50mm x 50mm x 6mm angle iron bottom frame with double hinged front and rear openable with locking arrangement, heat shrinkable PVC sleeved aluminium bus bar of size 40 x 10mm (2runs each), 3 phase and Neutral, fixed on suitable insulator all housed in suitable bus bar chamber and provision and fixing of pilot indication lamps (R, Y & B) complete alongwith provision for necessary cable entry/exit from bottom and all incoming and putgoing cables with suitable glands etc fixed on suitable PCC foundation complete, testing and commissioning on completion all as specified and directed and shall comprises of MCCB 630 Amps, 4 pole, 50KA adjustable with thermal magnetic release complete all as specified and directed Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 14, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 04, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 20 daysAug 11, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 27 daysTender Documents
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