Pre-Feasibility Report For Proposed Construction of four lane TBM TUNNEL including approaches under River Brahmaputra between Gohpur on NH-52 North Bank and Numaligarh on NH-37 South Bank, Assam (Length: 34.664 km) on EPC Mode under SARDP-NE Phase-A Project Proponent “National Highways & Infrastructure Development Corporation Ltd. (NHIDCL)” Prepared By National Highways & Infrastructure Development Corporation Ltd. Pre-Feasibility Report - Proposed Construction of four lane TBM TUNNEL including approaches under River Brahmaputra between Gohpur on NH-52 North Bank and Numaligarh on NH-37 South Bank, Assam (Length: 34.664 km) on EPC Mode under SARDP-NE Phase-A TABLE OF CONTENTS 1. EXECUTIVE SUMMARY ....................................................................................................... 1 2. INTRODUCTION OF PROJECT/BACKGROUND INFORMATION ............................. 2 2.1 Identification of Project & Project Proponent .................................................................. 2 2.2 Description of Nature of Project ....................................................................................... 2 2.3 Need for the project .......................................................................................................... 3 2.4 Demand & Supply Gap ..................................................................................................... 4 2.5 Import vs Indigenous Production ..................................................................................... 4 2.6 Export Possibilities ........................................................................................................... 4 2.7 Employment Generation due to Proposed Project ............................................................ 4 3. PROJECT DESCRIPTION ..................................................................................................... 6 3.1 Type of Project ................................................................................................................. 6 3.2 Project Location ................................................................................................................ 6 3.3 Size & Magnitude of Operation ........................................................................................ 6 3.3.1 Land Requirement ..................................................................................................... 6 3.3.2 Project Cost ............................................................................................................... 7 3.4 Project Description with Process Details .......................................................................... 9 3.4.1 Connectivity to existing National Highway Network ............................................... 9 3.4.2 Project Road ............................................................................................................ 10 3.4.3 Details of Right of Way .......................................................................................... 11 3.4.4 Road Junctions /Crossings ....................................................................................... 11 3.4.5 Bypasses .................................................................................................................. 12 3.4.6 Railway Over Bridge / Rail Crossings ...................................................................... 12 3.4.7 Typical Cross Sections ............................................................................................ 12 3.4.8 Tunnel Design & Specifications ............................................................................. 14 3.4.9 Proposed Bridge Details .......................................................................................... 18 3.4.10 Interchanges ............................................................................................................ 20 3.4.11 Culverts .................................................................................................................. 21 3.4.12 Slip Roads ............................................................................................................... 23 3.4.13 Service Roads .......................................................................................................... 23 3.4.14 Vehicular Underpass ............................................................................................... 23 3.4.15 Artificial Island / Maintenance Road ...................................................................... 24 3.4.16 Bus Bays .................................................................................................................. 26 3.4.17 Toll Plaza ................................................................................................................. 26 3.4.18 Metallic Guard Rails on High Embankment Areas ................................................. 28 Prepared by: NHIDCL Page i Pre-Feasibility Report - Proposed Construction of four lane TBM TUNNEL including approaches under River Brahmaputra between Gohpur on NH-52 North Bank and Numaligarh on NH-37 South Bank, Assam (Length: 34.664 km) on EPC Mode under SARDP-NE Phase-A 3.4.19 Highway Lighting ................................................................................................... 28 3.4.20 Safety Signs & Road Markings ............................................................................... 28 3.5 Construction Material ..................................................................................................... 28 3.5.1 Borrow Sites ............................................................................................................ 28 3.5.2 Raw Material Required along with Estimated Quantity ......................................... 29 3.6 Resource Optimization, Recycle/Reused ....................................................................... 29 3.7 Requirement and Source of Water/Energy ..................................................................... 30 3.8 Quantity of Waste Generated ......................................................................................... 30 4. SITE ANALYSIS..................................................................................................................... 31 4.1 Connectivity .................................................................................................................... 31 4.2 Land Form, Land Use and Land Ownership .................................................................. 33 4.2.1 Land Form ............................................................................................................... 33 4.2.2 Land Use ................................................................................................................. 33 4.2.3 Land Ownership ...................................................................................................... 33 4.2.4 Existing Land Use Pattern ....................................................................................... 33 4.2.5 Existing Infrastructure ............................................................................................. 33 4.2.6 Soil Classification ................................................................................................... 34 4.3 Climatic Data from Secondary Sources .......................................................................... 34 4.3.1 Wind ........................................................................................................................ 34 4.3.2 Humidity .................................................................................................................. 35 4.3.3 Rainfall .................................................................................................................... 35 4.4 Social Infrastructure Available ....................................................................................... 36 5. PLANNING BRIEF ................................................................................................................ 37 5.1 Planning Concept ............................................................................................................ 37 5.2 Land Use Planning .......................................................................................................... 37 5.3 Assessment of Infrastructure Demand ............................................................................ 37 5.4 Amenities ........................................................................................................................ 37 6. PROPOSED INFRASTRUCTURE ....................................................................................... 38 6.1 Industrial Area ................................................................................................................ 38 6.2 Residential area ............................................................................................................... 38 6.3 Greenbelt Development .................................................................................................. 38 6.4 Social Infrastructure ....................................................................................................... 38 6.5 Connectivity .................................................................................................................... 38 6.6 Sewerage System ............................................................................................................ 39 6.7 Industrial Waste Management .......................................................................................