L&T bags contract for Railway Electrification works for sections of Northeast Frontier Railway

The IRCON International Limited (IRCON) issued a Letter of Acceptance (LoA) to M/s. Larsen & Toubro Limited for the work of Design Supply Installation Testing and Commissioning of Railway Electrification work for Badarpur Jn Excl (BPB) Badarpur-Jiribam Katakhal-Bhairabi and Badapur Karimganj- Sabroom incl Karimganj – Maishasan Agartala – Akaura Baraigram – Dullabach.

  • Tender No: IRCON/ELECT/5040/RE NFR PKG 2/EPC/6
  • Name of the Work: Design Supply Installation Testing and Commissioning of Railway Electrification work for Badarpur Jn Excl (BPB) Badarpur-Jiribam Katakhal-Bhairabi and Badapur Karimganj- Sabroom incl Karimganj – Maishasan Agartala – Akaura Baraigram – Dullabach
  • Accepted Contract Amount: INR 5119410367.38
  • Work Completion Period: 660 Days 

In October last year IRCON had invited a tender for Tender Number: IRCON/ELECT/5040/RE NFR PKG 2/EPC/6.

About the Railway Project:

Electrification of existing railway line:

Overhead Equipment (OHE):

  • Design, supply, erection, testing and commissioning of 25 KV, 50 Hz, AC single phase Overhead equipment including tunnels & its associated items, casting of foundations, erection of structures and all ancillary items, short neutral section (PTFE), stringing of catenary, contact and feeder wire with termination, contact wire in place of catenary wire under over line structure, provision of anti-creep arrangement, provision of Auto Tensioning Device, provision of Height Gauges at level crossings, Protective screens on over line structure, arrangement of structures on bridge piers, all types of caution, warning, instruction and protection boards at per site requirement, anti-theft charging arrangement, Station Working Rule along with sectioning diagram at required locations (TPC, Traffic control, OHE Depot, OHE-PSI Depot, DEE/AEE office etc.), Safety items (i.e. key box, First aid box, shock treatment chart, Collar ring, men at work board etc) at required locations, construction of contractor’s depot & sidings and all necessary documentation for EIG sanction and CRS Inspection. 
  • Attending Breakdown till CRS inspection, supply of required drawings and handing over the installation to Railway Authority.
  • The report seeks sanction of estimate for electrification of Design, Supply, Installation, Testing & Commissioning of 25 KV, 50 Hz, single phase, AC Overhead equipment of Badarpur Jn. Excl. (BPB) Badarpur-Jiribam, Katakhal-Bhairabi & Badapur-Karimganj-Sabroom incl. Karimganj-Maishasan, Agartala-Akaura & Baraigram-Dullabachera & Sidings of Sections (557.870 RKM / 692.393 TKM) of Northeast Frontier Railway (NFR) (Package No. 2).
  • The scope of work includes:
    • Provision of over-head equipment including tunnel & its associated items on the railway tracks.
    • Construction of switching posts, Traction Sub-station.
    • Modification to Signaling & telecommunication system to suit 25kV A.C. traction as per existing guideline.
    • Provision of service building and staff quarter along with associated civil engineering works.
    • All associated works including modification, dismantling of existing OHE including mast, bracket, gay rod & other equipments etc if any, as per site requirement shall be in the scope of EPC contractor.
    • The scope of work also includes provision of bridge masts on existing piers/ abutments by drilling/bolting/grouting or other suitable arrangements as per site conditions.
    • Insulators at Non-Interlocked Level Crossings: Wire & Rod insulators shall be provided on all non-inter locked level crossings under the supervision of Civil Engg. Deptt.

25 KV Sectioning post (SP) and sub-sectioning post (SSP) (Switching Post):

  • Design, supply, erection, testing and commissioning of single phase, 25 KV, 50 Hz, AC Switching Stations (SP/SSP) including Foundations, Structures and all ancillary equipment etc. as per following details along with Earth work, construction of buildings, fencing, retaining wall, Internal Wiring with switch/fittings/equipment’s, Battery Set, All types of caution, warning, instruction, protection, location/Name and schematic diagram boards, earthing stations, Safety items (i.e. Firefighting equipment, First Aid box, Shock treatment chart, key box etc.), manning till stabilization of SCADA (At least for a period of 06 months from commissioning) and all necessary documentation for EIG sanction and CRS Inspection, supply of required drawings, breakdown maintenance till CRS inspection.

25 KV Auxiliary transformer stations:

  • Design, supply, erection, testing and commissioning of single-phase Auxiliary Transformer Station of different capacity as per following details, complete with all structures and fittings etc. along with anti-climbing device and all types of caution, warning, instruction, protection boards and location/Name boards, junction box and all necessary documentation for EIG sanction and CRS Inspection and supply of required drawings, Breakdown attention till CRS inspection.

Traction Sub-stations (TSS):

  • Design, supply, erection, testing and commissioning of single phase, 220/132/25 KV, 50 Hz, AC Traction Sub Station (TSS), Feeding Post (FP), Shunt Capacitor Bank, series reactor, ABT meter along with all associated equipment including Foundations, Structures and all ancillary equipment, Earth mesh/electrode, buried rail and connections etc. as per following details along with Earth work, construction of buildings, approach road, Laying of Cross Track along with sleepers & fastenings, points & crossings, ballast main work, retaining wall, Fencing, internal wiring, yard lighting, arrangement for water supply, All types of caution, warning, instruction, protection, location/Name and schematic diagram boards, Safety items (i.e. Firefighting equipment, First Aid box, Shock treatment chart, key box etc.), manning till stabilization of SCADA (At least for a period of 06 months from commissioning) and all necessary documentation for EIG sanction and CRS Inspection, supply of required drawings, Breakdown attention till CRS inspection.

Source: IRCON-Tender Update | Image Credit (representational): MoR

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