Central Railway Tender

Preparation of Final design and drawings for Tunnels, cut & covers and similar structures including modifying the design and drawing during the construction phase with NATM approach, construction methodology with specific reference to the schedule of completion of the tunnel , design and all associated works required to complete the Tunnel in all respects, which shall include the following but not limited to (a) Tunnel including portals & slopes, it's drainage & allied civil works; (b) Compatibility of Design for Railway Electrification (c) Tunnel 1 ventilation system (d) fire detection and suppression system for the tunnel (e) Tunnel illumination; (f) Communication system for emergencies and maintenance; (g) Evacuation scheme in case of emergencies; (h) Surveillance system; (i) Environmental Impact Assessment; (j) Methodology, Number of fronts, Adits; (k) Disposal of muck accrued from tunnel excavation; (l) List of equipment's to be deployed by Tunneling contractor; (m) Compatibility for provision of Signaling and telecom arrangements Note: (n) (i) The design of tunnels shall be governed by the relevant codes standards & prevailing best practices nationally/ internationally. (ii) Payment for this item shall be made in stages based on deliverables as given in schedule of payments mentioned under terms of reference.

Site Services of Resident Tunnel Construction Engineer (NATM Expert) Cum Geotechnical engineer (Team Leader). Minimum 15 years of Experience as a Tunnel/ Geotechnical Engineer in Tunnel 1 Construction & Minimum 5 years of Experience as a Tunnel /Geotechnical in Tunnel Construction by NATM Design. Expert must be competent to review and modify approved design as per the site condition and responsible for Quality Control and Record Keeping at the site.

Site service of Resident Geologist to access the geology of the tunnel in advance and provide the 2 geological inputs for NATM design during Tunnel construction. Minimum 15 years of Experience as a Geologist in Tunnel Construction by NATM Method. Expert must be competent to review and modify approved classification of rock and provide technical input to railway officials for payment Purposes as per the site condition and responsible for Quality Control and Record keeping at the site.