2. • Harbour:
• A harbor (under central govt.) maybenaturalor partly dug
out,or evenmadewithfloating materials.It doesn't havegates,
Provides safeanchoring or mooring for ships
• A dock isdugout andusuallyhasgatesso thatthewaterlevelis
• A dock is formooring ships forcargoor passengerexchange,or
3. A port (under state govt.) is alocationon acoast or shore containingone or
more harbors whereships candock andtransferpeopleor cargoto or from land.
4. •FEATURES OF A HARBOR:
2. Berthing Basin
3. Break Water (to break momentum of water
waves- inner side of this is made as quay for cargo
referred as mole)
4. Turning Basin
5. •FEATURES OF A HARBOR:
9. • The structure constructed to protect harbor from storm waves
• They are generally stone masonry
12. • WHARVES:
• The structure constructed parallelto the shore or break water
, having wide plate form
• Function is to permit berthing of vessel along side (only one side) for cargo working
14. • JETTIES:
• Same as wharves but perpendicular to shores can berth on both sides
• Used for loading and unloading of cargo
• Made usually from shore towards sea water to prevent silting and dredging to allow free
flow of tidal currents
22. • REQUIREMENTS OF A GOOD HARBOR:
• The depth of aharbor should be sufficient for every type of visiting ships.
• The bottom of harbor should provide secured anchorage to hold the ships against high
• To prevent destructive waveaction, break water are provided.
• The entrance of aharbor should be wide enough to provide the easy passage of ships.
24. •SITE SELECTION:
• Following factors playagreat role in the choice of site
of a harbour.
• 1.Availability of cheapland &contruction material.
• 2.Natural protection from waves & winds
• 3.transport &communication facilities
• 4.industrial development of the locality
• 5.Sea bed,sub soil &foundation conditions
• 6.Avaibility of electrical energy
• 7.Defence &strategic aspects
• 8.traficpotentiality of harbour