Unit I - Infrastructure Engineering a) Meaning and scope of Infrastructure Engineering : Scope of infrastructure engineering in national and global development, Forthcoming infrastructure projects at national and global level, Necessity, advantages and disadvantages of PPP (Public Private Partnership), Salient features of smart city , Bus rapid transit system. b) Railways : Permanent way, Track structure of BG, Functions of rail, Standard rail, Tilting of rail, Coning of wheels, Types of sleepers, Fastenings, Ballast, Modern development in railways- metro rails, mono rails, bullet train. (Chapter - 1) Unit II - Railways Rail joints, types, evil effects, remedial measures, Welding of rails, Short and long welded rails, Types of gradients, Curves, Grade compensation on curves, Alignment, Super elevation, Equilibrium cant, Equilibrium speed, Maximum permissible limits for cant, Cant deficiency, Cant excess, Speed on curves, Safe speed on curves using Indian railways formula only for fully transition curves, Concept of negative cant, Points, crossings and turnouts- functions, Components, elements of points, Types of crossings and turnouts, Track maintenance: Regular and Periodic. (Site visit is recommended to learn this topic) (Chapter - 2) Unit III - Construction Techniques Necessity of mechanization, Dredging techniques, Use of barges, Dewatering techniques- Well Point system, Vacuum dewatering, Electro osmosis, Underwater drilling and blasting, Grouting methods in soft and hard soil, Diaphragm walls- purpose and construction methods, Prefabrication - applications, advantages and disadvantages. (Chapter - 3) Unit IV - Tunneling Tunneling, functions & types of tunnel, Criteria for selection of size and shape of tunnels. Pilot tunnel, shaft, addit and portal, Needle beam, NATM, TBM and earth pressure balance method of tunneling in soft soil, Drilling and blasting method of tunneling including various operations like mucking, Drainage in tunneling- Pre drainage and permanent drainage, Ventilation in tunneling temporary and permanent, Micro tunneling and trenchless tunneling. (Chapter - 4) Unit V - Docks and Harbors Introduction, Requirements of harbors and ports, Classification of harbors with examples, Selection of site for harbor, Various components of ports, Break waters- types, comparison, design criteria , methods of construction, Tetra pod, Tri bar, Hexapod, Quay wall, Wet and dry dock, Floating dock, Wharves, Jetties, Types of fenders, Dolphins, Marin railway. (Chapter - 5) Unit VI - Construction Equipments Dozers, Power shovels, Excavators, Loaders, Scrapers, Dumpers, Drag line, Clamp shell, Compactors, Pavers, Factors affecting performance, selection of equipment, Various types of hoists and cranes and selection, Boom placers, Simple numerical problems on cycle time and production rate, Economic maintenance and repair of construction equipment. (Chapter - 6)