KIIFB-Roads_Planning_DeisgnManual-V1-02-07-18 (1).pdf -...

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GUIDELINES FOR PLANNING AND DESIGN FOR ROADS & HIGHWAY PROJECTS FUNDED BY KIIFB Version 1.0 02 July 2018
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KIIFB Guidelines for Planning and Design for Roads & Highway Projects Page 2 of 59 CONTENTS 1. TYPES OF ROADS FUNDED BY KIIFB ........................................................................... 4 2. STAGES IN PROJECT PREPARATION ........................................................................... 4 3. REQUIREMENTS FOR DEMAND ANALYSIS STUDY ..................................................... 5 4. REQUIREMENTS FOR SURVEY AND INVESTIGATIONS .............................................. 7 4.1Reconnaissance survey ................................................................................................ 7 5.ROAD INVENTORY ........................................................................................................... 8 6. GEOMETRIC DESIGN AND ALIGNMENT PLANNING ................................................... 10 6.1 Right of Way guidelines ............................................................................................. 10 6.2 Design Speed guideline ............................................................................................. 11 6.3 Horizontal Alignment ................................................................................................. 12 6.3.1 Transition curves .................................................................................................... 12 6.3.2 Extra widening ........................................................................................................ 13 6.4 Cycle track ................................................................................................................. 13 6.5 Overtaking Zone ........................................................................................................ 13 6.6 Vertical Alignment Design .......................................................................................... 14 6.6.1 Grade .................................................................................................................. 14 6.6.2 Vertical Curves .................................................................................................... 15 6.6.3 Sight Distance Considerations ............................................................................ 15 6.6.4 Camber/cross fall ................................................................................................ 16 6.7 Superelevation .......................................................................................................... 16 7. PAVEMENT AND ENGINEERING DESIGN .................................................................... 16 7.1 Soil investigation ........................................................................................................ 17 7.2 Traffic Volume ........................................................................................................... 18 7.3 Pavement Thickness and Composition ...................................................................... 18 7.4 Pavement Evaluation ................................................................................................. 19 7.5 Alternate Pavement Design ....................................................................................... 20 7.6 Footpath .................................................................................................................... 20 7.7 Road Side Drainages and Utility Duct ........................................................................ 20
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KIIFB Guidelines for Planning and Design for Roads & Highway Projects Page 3 of 59 7.8 Hydrology Studies ..................................................................................................... 21 7.9 Bus Bays and Bus Shelters ....................................................................................... 21 7.10 Landscaping and avenue plantation ........................................................................ 22 8. TRAFFIC FURNITURE ................................................................................................... 22 8.1 Mandatory Road Furniture ......................................................................................... 22 8.2 Mandatory Road Safety Barriers ................................................................................ 22 9. PARKING AREA AND PUBLIC UTILITIES ..................................................................... 23 10. ROAD PROJECT AUDITINGS ...................................................................................... 24 10.1 Road Safety Auditing ............................................................................................... 24 10.2 Social Auditing ......................................................................................................... 26 10.3 Environmental Auditing ............................................................................................ 27 REFERENCES: .................................................................................................................. 28 ANNEXURE 1 – Typical Cross Section with 10m RoW ....................................................... 30 ANNEXURE 2 - Typical Cross Section with 13.1m RoW & cycle track ................................ 31 ANNEXURE 3 - Typical Cross Section with 13.6m RoW ..................................................... 32 ANNEXURE 4 - Typical Cross Section of Coastal Highway / Road with cycle track ............ 33 ANNEXURE 5 - Typical Cross section with 16.6 m RoW at undivided junctions .................. 34 ANNEXURE 6 - Typical Cross section with 17.6m RoW Road & avenue plantation ............ 35 ANNEXURE 7 - Typical Cross Section of four lane road with median (23m) ....................... 36 ANNEXURE 8 - Typical Cross Section of City Road with 24m RoW ................................... 37 ANNEXURE 9 - Typical Cross section of two lane road at Hilly Terrain with 13m RoW ....... 38 ANNEXURE 11 - Typical Cross section of two lane road at Hilly Terrain with >13m RoW... 39 Template for Preparation of Detailed Project Report (DPR) in r/o Roads for KIIFB Assistance ........................................................................................................................................... 40
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KIIFB Guidelines for Planning and Design for Roads & Highway Projects Page 4 of 59 1. TYPES OF ROADS FUNDED BY KIIFB KIIFB shall undertake the funding of two main types of road/highway projects viz., new formation and upgradation of road/highway projects which include improvement/strengthening and/or widening works. Among the afore mentioned types of road/highway projects, the funding shall be restricted to the following categories of road/highway projects State Highways Bypass (to NH / SH / MDRs) / Ring road Projects Hill Highway Coastal Highway Other KIIFB Roads City Roads (Arterial Roads) 2. STAGES IN PROJECT PREPARATION The stages involved in the preparation and sanction of road projects are: a) Pre-feasibility study The pre-feasibility study is necessary to enable the funding agency to appreciate the features of the project. This is to be done based on reconnaissance survey by collecting
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