Tender For Augmentation Of Ht Distribution Network At Certain Pockets And Provn Of 03 X Rmu (Ring Maintenance Unit) And Connected Items At Dipatoli Mil Stn Under Ge Dipatoli
Tender Overview
Project Description
Tender for Augmentation Of Ht Distribution Network At Certain Pockets And Provn Of 03 X Rmu (Ring Maintenance Unit) And Connected Items At Dipatoli Mil Stn Under Ge Dipatoli
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 29-Sep-2026 | Amendment in tender documents and revised BOQ | BOQ | 15-Oct-2026 |
| 2 | 15-Oct-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 22-Oct-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Material and Labour XLPE insulated, screened, PVC edded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor,11000 volts(Earthed), grade cross sectional area 95 sqmm 3 core complete all as specified and directed. |
| 2 | Material and Labour cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed. |
| 3 | Material and Labour cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed. |
| 4 | Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr in deep for foundation etc. or for shafts, wells, cesspits, mainholes, pierholes etc. in hard dense soil for foundation and getting out and levelling of bottom surface to required level complete all as specified and directed. |
| 5 | Material and Labour for river washed and screened, dry sand for filling in trenches/ sub stations below and around underground cables for cushioning of cables etc complete all as specified and as directed. |
| 6 | Supplying and laying unreinforced precast cement concrete cable covers, Class HV, Type- 1, Flat, size 300 mm x 180 mm x 40 mm in trenches for cable protection, embossed with \\"MES 11 kV HT ELECTRIC\\" on the top surface complete all as specified and directed. |
| 7 | Returning filling including leveling, watering and well ramming soil in layers not exceeding 1.5 m above the starting level complete all as specified and directed. |
| 8 | Removing the excavated materials not exceeding 50 m and depositing where directed at level not exceeding 1.5 m above the starting level complete all as specified and directed at site. |
| 9 | S & F Cable route indicator/ Marker made up of PCC Block in cement mortar 1:3:6 (20 mm graded aggregrate) of size 900 x 300x 100 mm thick with \\"MES 11 KV CABLE /MES 11 KV HT JOINT\\" embossing on cable route Indicator/ Marker including painting as per approved colour and buried in ground 45 Cms including necessary earth work (as required/ ordered at site) complete all as specified and directed. |
| 10 | Taking down/ dismantling 11 kV insulators of any size complete all as specified and directed. |
| 11 | Dismantling cross-arms of MS, channel or angle sections & earth wire etc complete and setting aside for re-use with in 50 m distance complete all as specified and directed. |
| 12 | Dismantling of ACSR conductor from Substation GI structures / HT OH lines any size all as directed at site complete all as specified and directed. |
| 13 | M&L for trenchless boring of 100 mm bore under road crossing/foot paths etc complete all as specified and directed at site complete all as specified and directed. |
| 14 | Supply and laying of GI pipe 80 mm bore, Light grade (for cable protection) with all fittings for passing of cables fixed to pole/ wall/ laid under floor or roads including all fixing accessories complete for protection of cable all as specified and directed. |
| 15 | Supply, installation, testing & commissioning of 11KV Extensible Outdoor duty (IP 55 enclosure) SF6 gas insulated 4way motor operated Ring Main Unit comprising of 2 no. 630 Amps Load Break Switch as incomer and 2nos. 630 Amps Vacuum Circuit Breaker as outgoing, cable termination from the front, breaking capacity 21KA/3sec (Internal Arc Classification AFLR 21kA-1sec with Bottom Exhaust both for tank and cable box as per IEC 62271 200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. Protection CTs shall be ring core type, complete all as specified and directed. The outer enclosure shall have IP 55 protection, it should be Top Opening Canopy type, Indoor RMU placed inside Outdoor Enclosure should not be acceptable. The Vacuum Circuit Breaker and LBS should have line side earth switch. |
| 16 | (A) NOTE:- Other details:- System Particulars: (i) Nominal System Voltage : 11kV. (ii) Voltage variation on supply side : ±10 %. (iii) Corresponding Highest System Voltage: 12kV. (iv) Frequency : 50 Hz with ± 3 % tolerance. (v) Transient condition : -20 % or + 10 % combined variation of Voltage and frequency. (vi) Number of Phase: 3 Phases. (vii) Neutral earthling: Solidly earthed. (viii) Fault level (minimum) kA /Sec: 21/3). (ix) Lightning Impulse Withstand Voltage (kVp): 75 (x) One minute dry/ wet power frequency withstand voltage primary (kV rms): 28KV.(xi) Rated Dynamic Withstand Current (kAp): 52.5KA. (xii) Number of Short Circuit Operations at rated short circuit current of 21 kA for Breaker - 50 Nos. (xiii) Earth switch should have 5 closing operation at short circuit current (making operations E2 class) independent of breaker. Earth switch manual closing shall be driven by a fast acting / snap action mechanism, independent of operator and VCB action. (xiv) Side and rear cable entry is not acceptable, all operation, interlock, cable terminations and door shall be front side only. |
| 17 | (B) Applicable Standards for this RMU scope of work - IEC 62271-200. (i) The Ring Main Units shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. (ii) All live parts, bus bars, shall preferably be enclosed in non- magnetic and non-ferrite grade stainless steel tank Grade SS441 of minimum 2 mm thickness. The RMU shall be type tested for internal arc test of 21KA/1 sec AFLR with Bottom Exhaust for Safety of Personnel for both Tank as well as Cable Compartment as per IEC62271-200. The outer enclosure shall have IP 55 protection for complete switchgears, however it should be Top Opening Canopy & Indoor RMU placed inside Outdoor Enclosure should not be acceptable. The protection relay shall be for 3 O/C + 1E/F (IDMT Type) Self powered numerical protection relay with low and high set of over current and earth fault , MODBUS communication along with RS 485 Port / USB Port. (iii) Internal Arc Classification should be with Bottom exhaust only. RMUs should be manufactured, inspected, and invoiced from the OEM factory. (iv) Temperature & climatic sensor in each panel, Wireless & Self powered Temperature sensor should be mounted in Busbar & Breaker chamber and the same data should display on the panel. Please Enable Macros to View BoQ information |
| 18 | (B) Applicable Standards for this RMU scope of work - IEC 62271-200. (i) The Ring Main Units shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. (ii) All live parts, bus bars, shall preferably be enclosed in non- magnetic and non-ferrite grade stainless steel tank Grade SS441 of minimum 2 mm thickness. The RMU shall be type tested for internal arc test of 21KA/1 sec AFLR with Bottom Exhaust for Safety of Personnel for both Tank as well as Cable Compartment as per IEC62271-200. The outer enclosure shall have IP 55 protection for complete switchgears, however it should be Top Opening Canopy & Indoor RMU placed inside Outdoor Enclosure should not be acceptable. The protection relay shall be for 3 O/C + 1E/F (IDMT Type) Self powered numerical protection relay with low and high set of over current and earth fault , MODBUS communication along with RS 485 Port / USB Port. (iii) Internal Arc Classification should be with Bottom exhaust only. RMUs should be manufactured, inspected, and invoiced from the OEM factory. (iv) Temperature & climatic sensor in each panel, Wireless & Self powered Temperature sensor should be mounted in Busbar & Breaker chamber and the same data should display on the panel. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Tender Published
Tender notice published.
CompletedCorrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedCorrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
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Upcoming · 4 daysBid Opening Date
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Upcoming · 11 daysTender Documents
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