Kerala NH-66 Viaduct, Tunnel, and Pedestrian Underpass Construction

The National Highways Authority of India (NHAI) invites eligible and experienced firms to submit bids for a significant infrastructure development project under an Open Tender (Tender ID: 2026_NHAI_283190_1, Reference: PROJ-33014(36)/1/2026-PIU Thiruvananthapuram/320080). This tender, classified as "Works" under an EPC (Engineering, Procurement, Construction) contract, pertains to the "Construction of Viaducts at 12 locations, Cut and Cover Tunnel at 02 locations, and a Pedestrian Underpass (PUP) at 01 location along the Km 517.250 to Km 547.080 section of New NH-66 (Old NH-47) in the state of Kerala." This ambitious project, with an estimated tender value of ₹9,59,25,00,000 (Nine Hundred Fifty-Nine Crore Twenty-Five Lakhs Rupees), requires an Earnest Money Deposit (EMD) of ₹9,59,00,000 (Nine Crore Fifty-Nine Lakhs Rupees) and a non-refundable tender fee of ₹96,000. Bidders are expected to complete the work within a stipulated period of 548 days, with a bid validity of 180 days. The tendering process commenced with e-publication on 07-Jul-2026 at 10:30 AM, with documents available for download from 07-Jul-2026 at 10:35 AM until 20-Aug-2026 at 11:00 AM. Bid submissions begin on 07-Jul-2026 at 10:40 AM and will close on 20-Aug-2026 at 11:00 AM. Technical and financial proposals, submitted under a two-cover system, will be opened on 21-Aug-2026 at 11:30 AM at NHAI HQ, New Delhi. This tender presents a crucial opportunity for civil construction entities to contribute to national highway development by enhancing connectivity and safety in Kerala. For further details, including a comprehensive list of required documents, bidders are advised to refer to the official tender documents downloadable from the e-procurement portal.