West Sikkim is getting balance works on the NH-510 hill road between Legship and Gyalshing, a Rs152.85 Cr EPC job from NHIDCL, with bids closing on 7 September 2026.
Scope in brief
National Highways and Infrastructure Development Corporation has invited bids to finish the remaining works on NH-510 across two packages. Package V runs from design km 58.840 to km 75.000 and Package VI from km 75.000 to km 90.210, together covering roughly 31 km of existing road between Legship and Gyalshing in West Sikkim. The bid papers carry a full bridge volume alongside the road schedules, which fits the terrain, so structures and slope work sit at the centre of this contract rather than plain carriageway. The award is on an EPC basis, so design and build stay with one contractor.
Is this one for you
Balance works on a Himalayan alignment reward crews that know hill roads. Bidders need to place the Rs1.53 Cr earnest money and show they can run a site where access, weather and slope stability shape the programme. Contractors already active in Sikkim or the wider North East have the edge on logistics and local hire. Plant owners who rent out to hill-road jobs can line up utilisation here from the award onward.
Equipment the terrain demands
Hill work leans on compact, sure-footed machines more than open-country fleet. Count on excavators for cutting and slope trimming, compactors for the formation and shoulders, and cranes with concrete mixers for the bridges and retaining structures. A backhoe loader earns its keep on the tight drainage and culvert stretches. Owners sizing a machine to the two-package run can weigh equipment finance against the build period.
Key facts
Tender ID
2026_NHIDC_918372_1
Reference no.
NHIDCL/SKM/NH510/Leg Gyal/PKGV VI/2026
Issuing authority
National Highways and Infrastructure Development Corporation (NHIDCL)
What does the NH-510 Legship-Gyalshing tender cover?
It covers balance works on two packages of NH-510 in West Sikkim, Package V (km 58.840 to 75.000) and Package VI (km 75.000 to 90.210), including bridge works, on an EPC basis.
What are the value and EMD?
The estimated value is Rs152.85 Cr, with earnest money of Rs1,53,00,000 and a tender fee of Rs23,600.
When is the deadline?
Bids close on 7 September 2026 and open on 8 September 2026. Submission opens on 24 August 2026.
Who is the issuing authority?
National Highways and Infrastructure Development Corporation (NHIDCL), through its corporate office. Bids are filed on the Central Public Procurement Portal (eProcure).
Tender details are summarised for convenience and may change. Always verify the latest dates, terms and documents on the official tendering portal before bidding. DesiMachines is not responsible for changes made by the issuing authority.
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