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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹88.2 LAccepted-AOC P O P S MISSAMARI DIST SONITPUR ASSAM 784506 | SONITPUR | ASSAM | 784506 | L1 | Accepted-AOC Lowest Bidder | |
| 2 | L2₹94.3 L+₹6.1 L (6.95%)Rejected-Finance | L2 | Rejected-Finance HIGH BID VALUE | |
| 3 | L3₹99.7 L+₹11.5 L (13.1%)Rejected-Finance NO 3 WD BUILDING JP AGARWALLA ROAD BHARALUMUKH KAMRUP ASSAM 781009 UDYAM AS 03 0009483 | KAMRUP METRO | ASSAM | 781009 | L3 | Rejected-Finance HIGH BID VALUE | |
| 4 | L4₹1.0 Cr+₹16.3 L (18.5%)Rejected-Finance | L4 | Rejected-Finance HIGH BID VALUE | |
| 5 | L5₹1.1 Cr+₹17.6 L (20.0%)Rejected-Finance A T ROAD CHABUA DIBRUGARH ASSAM 786184 | DIBRUGARH | ASSAM | 786184 | L5 | Rejected-Finance HIGH BID VALUE |
| Sl No | Description | Qty | Unit | M/S RANA ENGINEERING ENTERPRISE L1 | PURBANCHAL BUILDERS L3 | kabitaconstruction L5 | M/S MECHANICAL ENGINEERING and ELECTRICAL CONTRACTORS L2 | M/s Dhani Enterprise L7 | S and B Electricals L6 | M/s Dhruv Enterprises L4 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | Supply, installation, testing and commissioning of Isolation Transformer (confirming to IS 2026 & all applicable latest IS), Three phase, 50 Hz, Naturally Oil cooled, outdoor (IP55 protection), cooper wound, metallic body with electrostatic shielding, duly power coated with lifting Hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of
Transformer oil up to full level having following specification:-
(a) Capacity- 100 KVA (b) Duty - Continuous 24 x 7 (c) Voltage Ratio - 1:1 (d) Input voltage - (415V plus/minus 5%) Input frequency 50 Hz (e) Output voltage - (415V plus/minus 5%) Output frequency 50 Hz (f) Rated frequency - (50Hz plus/minus 3%) (g) Vector Group - DYN11 (h) Impedance-Below 2.5%. Tolerance as per IS: 2026 (i) Winding material - more than 99.9% pure Electrolytic Copper (j) Efficiency - more than 95% at full load (k) Insulation Class - 'F' (l) Operating temperature - upto max of ambient temp 55°C (m) Cooling - Oil Natural Air Natural (n) Application - Outdoor (IP 55 Protection)
(o) Temperature Rise at 100% load - 35°C above ambient temp (p) Winding Temperature rise - Max 55°C (10°C above operating temp) (q) Transformer oil - IS: 335 marked (r) Core - CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented) (s) Shielding - Electrostatic Shield (Low Capacitance) for noise reduction
(t) Transformer Neutral - Separate neutral bushing to be brought out for earthing; to be solidly grounded (u) Earth to Neutral Voltage - to be ensured less than 1 Volt even with unbalanced loading (v) Coupling Capacitance - less than 0.005 pF
(w) Common Mode Noise Attenutation - 120 dB (x) DC Galvanic Isolation - more than 500 MOhm (y) Withstand Voltage - 2.5KV for one minute Power Frequency supply
(z) Protection - (i) Over load protections (ii) Short Circuit protections (iii) Surge protection
(aa) Constructional Features of Isolation Transformers - Isolation transformer shall invariably be in one air/oil cooled section. The enclosures shall be constructed from M.S. angles and CRCA M.S. sheets of best quality. The professional painting process shall comprises of 7-tank pre-treatment, Primer Coating, Two coats of final finish paint or powder coating of specified shade
(ab) Fittings & Accessories -All standard fittings as given in PS including digital temperature meter, lifting hooks, Earthing terminals etc.
(ac) Type test reports to prove conformity of the specifications - from Central Govt. Lab | 4 | Each | 5,00,000 ₹20,00,000 | 5,17,999 ₹20,71,996 | 4,53,600 ₹18,14,400 | 5,56,666 ₹22,26,664 | 8,30,500 ₹33,22,000 | 4,20,000 ₹16,80,000 Lowest | 4,20,360 ₹16,81,440 |
| 2.00 | Supply, installation, testing and commissioning of Servo controlled voltage stabilizer (confirming to IS 9815 (Part-I) latest version, IS 2026 & all other applicable latest IS). Three phase, four wire (RYBN), 50 Hz, Naturally Oil cooled, outdoor (IP55 protection), unbalanced type, cooper wound, metallic body, duly power coated with lifting Hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to full level having following specification:-
(a) Capacity- 100 KVA (b) Type - Suitable for unbalanced load and unbalanced input (c) Duty – Continuous 24 x 7
(d) Input voltage-360V to 480V, Input frequency 50 Hz (e) Output voltage - stabilized at any deigned/desired voltage 415V ±1%
(f) Rated frequency - 50 Hz (g) Wave form distortion - Nil (h) Response time - not to exceed 10 milliseconds
(i) Sensitivity - (±) 1% (j) Output Accuracy - (±) 1% from no load to full load (j) Rate of correction- Not less than 6 Volt second between phase and neutral (k) Efficiency - more than 95% (l) Type of load - three phase, unbalanced type
(m) Overload capacity - Shall withstand 50% over Load for 30 seconds & 75% overload for 10 Seconds.
(n) Metering - Digital display Voltmeter/ Ammeter with multi-functional meter (o) Operating temperature - upto max of ambient temp +55°C (p) Cooling – Oil Natural Air Natural (q) Application – Outdoor (IP 55 Protection) (r) Class of insulation - Class F
(s) Mode of operation – Automatic with option of manual (t) Temperature Rise at 100% load - 35°C above ambient temp.
(u) Winding Temperature rise — Max 55°C (10°C above operating temp) (v) Transformer oil - IS: 335 marked
(w) Core - CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented) (x) Copper – Electrolytic type
(y) Auto transformer (Variac) -100 percent Copper wound Electrolytic Grade (z) No-load Losses - Less than 0.5% of full capacity (aa) Full load Losses - Less than 2.5% of full capacity (bb) Power Factor - Not less than 0.95 (cc) Effect of unbalance on Neutral – should be Nil (dd) Control Panel - Suitable Controller with digital display of the various parameters and selector switch controlled bypass arrangement (ee) Protection — (i) Over load protections (ii) Short Circuit protections (iii) High/Low voltage cut off (iv) Surge protection (v) By pass arrangement in case of Emergency (vi) Single phase, Phase sequence change & phase fail protection (vii) Earth fault protection (viii) Cut-Off with alarm & window annunciation
(ff) Standard Fittings & Accessories –As given in PS | 8 | Each | 3,40,000 ₹27,20,000 | 4,85,999 ₹38,87,992 | 4,32,000 ₹34,56,000 | 4,08,889 ₹32,71,112 | 3,99,000 ₹31,92,000 | 3,20,000 ₹25,60,000 Lowest | 5,88,440 ₹47,07,520 |
| 3.00 | Supply, lay, & testing cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of following size: - 70 sq mm 3½ core complete all as specified and directed | 475 | RM | 680 ₹3,23,000 | 599 ₹2,84,525 Lowest | 865 ₹4,10,875 | 599 ₹2,84,525 Lowest | 880 ₹4,18,000 | 950 ₹4,51,250 | 808 ₹3,83,800 |
| 4.00 | Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations etc, or for shafts, wells, cesspits, man holes, pier holes etc not exc 10 sq m on plan and getting out in soft / loose soil complete all as specified and directed. | 154 | Cum | 280 ₹43,120 | 199 ₹30,646 | 260 ₹40,040 | 238 ₹36,652 | 140 ₹21,560 | 150 ₹23,100 | 80 ₹12,320 Lowest |
| 5.00 | Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soft / loose soil complete all as specified and directed. | 79 | Cum | 180 ₹14,220 | 99 ₹7,821 | 120 ₹9,480 | 96 ₹7,584 | 85 ₹6,715 | 100 ₹7,900 | 30 ₹2,370 Lowest |
| 6.00 | Removing excavated materials (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. | 67 | Cum | 200 ₹13,400 | 199 ₹13,333 | 140 ₹9,380 | 111 ₹7,437 | 82 ₹5,494 | 100 ₹6,700 | 20 ₹1,340 Lowest |
| 7.00 | Material and labour for sand cushioning for cable protection using clean dry sand complete all as specified and directed. | 106 | Cum | 500 ₹53,000 Lowest | 599 ₹63,494 | 1,000 ₹1,06,000 | 746 ₹79,076 | 1,050 ₹1,11,300 | 1,200 ₹1,27,200 | 500 ₹53,000 Lowest |
| 8.00 | Supply & Laying well burnt brick , locally available best quality (sub class "B" bricks ) laid in trenches perpendicular to UG Cable protection complete all as specified and directed | 3,080 | Each | 11 ₹33,880 | 11.99 ₹36,929.2 | 14 ₹43,120 | 10.88 ₹33,510.4 | 12.25 ₹37,730 | 9 ₹27,720 Lowest | 10 ₹30,800 |
| 9.00 | Supply laying & fixing GI Pipe light 80mm dia , ISI marked ,of required length for protection of cables in wall/pole/under road complete including necessary MS clamps , nuts , bolts & washers etc complete all as specified and directed. | 150 | RM | 620 ₹93,000 Lowest | 899 ₹1,34,850 | 750 ₹1,12,500 | 777.77 ₹1,16,665.5 | 925 ₹1,38,750 | 800 ₹1,20,000 | 672 ₹1,00,800 |
| 10.00 | M&L for earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to GI strips 32 x 6 mm by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1 and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as shown in electrical plate No. 5 of SSR Part-I all as specified and directed. NOTES : The unit rate includes for protection pipe and GI strip from top of earth plate up to 7.00 meter above ground level complete all as specified and directed. | 40 | Each | 4,600 ₹1,84,000 Lowest | 6,999 ₹2,79,960 | 7,000 ₹2,80,000 | 5,555 ₹2,22,200 | 6,100 ₹2,44,000 | 7,500 ₹3,00,000 | 8,000 ₹3,20,000 |
Tender Value
₹1.1 Cr
EMD Value
₹1.9 L
Closing Date
7 May 2026, 6:00 pmClosed
SHRI SAURABH, IDSE, CWE
HQ CWE TENGA
PROVN OF 04 X 100 KVA (3 PHASE) ISOLATION TRANSFORMER AND 08 X 100 KVA VOLTAGE STABILIZERS AT MISSAMARI UNDER GE MISSAMARI
2026_MES_759621_1
8615/E8
Open Tender
Civil Works
Item Rate
180 days
GE Missamari
AS PER NIT
8 documents required · 8 mandatory
₹1,000
GE MISSAMARI
₹1.9 L
Yes
1 Jun 2026
9 Apr 2026
14 May 2026
9 Apr 2026
7 May 2026
30 Apr 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 0;[Re31]0 | Supply installation testing and commissioning of Three Phase Isolation Transformer , 3-phase, 50 Hz, indoor type Copper wound Oil-cooled , Class of insulation- A , Metallic body powder-coated , designed for Input voltage: 415 V ±5% , Output voltage: 415 V ±5% with Ratio of 1 : 1 ,Vector group: Dyn11 (Delta–Star) , Efficiency: >95% , Separate neutral bushing brought out for earthing Neutral-to-earth potential: < 1 V, Accessories / Fittings Digital temperature meter , Lifting hooks (1 set), Earthing terminals (2 Nos) Optional Protection , Overload / short-circuit protection , with first fill of Transformer Oil of requisite di electric strength up to level of Capacity 100 KVA complete all as specified and directed . , | - | Each | 100 | - |
| 0;[Re1]0 | Supply installation testing and commissioning of Voltage stabilizer for automatic operation, three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 1% and speed of correction 50 Volts per second and of Capacity 100 KVA complete all as specified and directed. MAKE: Volina / ITE Gurgaon/ Brentfort/ Indian Transformer Limited/ Vintek/ Jaybee/ Aplab/ Savio. | - | Each | 100 | - |
| 0;[Re2]0 | Supply, lay, & testing cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of following size: - 70 sq mm 3½ core complete all as specified and directed | - | RM | 100 | - |
| 0;[Re3]0 | Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations etc, or for shafts, wells, cesspits, man holes, pier holes etc not exc 10 sq m on plan and getting out in soft / loose soil complete all as specified and directed. | - | Cum | 100 | - |
| 0;[Re4]0 | Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soft / loose soil complete all as specified and directed. | - | Cum | 100 | - |
| 0;[Re5]0 | Removing excavated materials (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. | - | Cum | 100 | - |
| 0;[Re6]0 | Material and labour for sand cushioning for cable protection using clean dry sand complete all as specified and directed. | - | Cum | 100 | - |
| 0;[Re7]0 | Supply & Laying well burnt brick , locally available best quality (sub class "B" bricks ) laid in trenches perpendicular to UG Cable protection complete all as specified and directed | - | Each | 100 | - |
| 0;[Re8]0 | Supply laying & fixing GI Pipe light 80mm dia , ISI marked ,of required length for protection of cables in wall/pole/under road complete including necessary MS clamps , nuts , bolts & washers etc complete all as specified and directed. | - | RM | 100 | - |
| 0;[Re9]0 | M&L for earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to GI strips 32 x 6 mm by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1 and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as shown in electrical plate No. 5 of SSR Part-I all as specified and directed. NOTES : The unit rate includes for protection pipe and GI strip from top of earth plate up to 7.00 meter above ground level complete all as specified and directed. | - | Each | 100 | - |
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