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| Tender ID | 3981527 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Provision Of Independent Ht Feeder From Sekhawati Grid With Ring Main Unit At Af Stn Palam Under Ge (af) Gurgaon No 1 |
| Last Date For Submission | 9th May, 2026 |
| Opening Date | 11 May, 2026 |
| Document Cost | 500.00 |
|---|---|
| EMD | 92240.00 |
| Estimated Cost | 4612000.00 |
| City | Gurgaon |
|---|---|
| State | Haryana |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Dismantling of old unserviceable damage/ rusted PCC pole/ steel tubular poles of any size necessary disconnecting cables/over head condcutor and removing unserviceable pole from site complete all as specified and directed. | 2.00 | Each |
| 2 | Supply, installation, testing and commissioning of 11 KV, 630 Amps, Outdoor (IP54), RMU (Ring Main Unit) 4-way comprising of 02 Nos 630 Amps, manually operated Load Break Switch and 02 Nos 630Amp Fixed-Type VCB, inside robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank having min. thickness 3+0.5 mm with IP 67 Degree of Protection. RMU should be provided with internal busbars, as well as earthing busbars of electrolytic grade copper, padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of 20kA/1 sec as per IEC62271-200. RMU shall have on-site-repairability features such as site replacable bushing/coupling/mechanism and gas refilling at site. The earthing busbar shall be provided inside each cable compartment for soilid earthing of Cable sheilds. The outer hinged main door should cover entire front of switchgear including cable doors for providing fail-safe protection. The unit shall include the following with all necessary standard fitting as required at site. | 1.00 | Each |
| 3 | 02 Nos. Incoming Load Break Switch module consisting of following accessories : 11kV, 630A Load Break Switch module and integrated earthing switch, both with full making capacity. Short time current - 20kA/3-sec, Making Capacity - 50kAp Auxiliary contacts - 1NO + 1NC Spring-assisted snap-action mechanism driven via shaft that remains un-inhibited after motorization, if required in future. Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access to 3Cx300sqmm XLPE AL cable termination in live-condition, Right angle boots (push on type) Suitable site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes. Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 | ||
| 4 | 02 Nos. Outgoing VCB module consisting of following accessories : 11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of making capacity. Short time breaking current/withstand - 20kA/3-sec, Making Capacity - 50kVap Aux. contacts - 1NO+1NC Stored-energy spring mechanism with integrated manual spring-charging handle to prevent theft at site and mechanical life of 5000CO operations achieved using single high endurance mechanism or multiple mechanisms supplied as spare. Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access to XLPE AL cable termination in live condition, Right angle boots (push on type) Suitable site replacable Cable bushings situated inside cable-cover to allow ease of access for installation/testing/replacement purposes 3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current also.Relay shall record minimum 5 fault records with time stamping. Associated ring-core cast-resin insulated CTs of appropriate ratio. Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 | ||
| 5 | Note: (i) Each cable box will have Capacitive voltage LED indications to indicate cable-live condition inside the cable box. (ii) Necessay interclocking arrangement shall be provided for safety and operations (iii) One No. Operationg Handle for Manual Isolator/Disconnector/Earthing Operation and one no. manometer shall be provided (iv) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance. (v) Foundation PCC for installing the outdoor RMU as per manufacturer drawing 1mtr above the ground level will be installed at work site by tenderer and cost of the same deem to be included in rates quoted and nothing extra on this account will be admissible. |
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