[waterworks] city presentation - kathmandu(nepal)
DESCRIPTION
[2014 May] International Program on Seoul WaterworksTRANSCRIPT
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Bagmati River – Yesterday, today,
tomorrow
Mr. Sanak Kumar maharjan
Junior Engineer
Environment Management Department
Kathmandu Metropolitan City Office
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Introduction
• According to a census conducted in 2011, Kathmandu metropolis alone has 5.2 million inhabitants, and the agglomerate has a population of more than 7.5 million inhabitants. The metropolitan city area is 50.67 square kilometers (19.56 sq m) and has a population density of 123,225 per km².
• The city stands at an elevation of approximately 1,400 meters (4,600 ft) in the
bowl-shaped Kathmandu Valley of central Nepal. It is surrounded by four major mountains: Shivapuri, Phulchoki, Nagarjun, and Chandragiri.
• Kathmandu valley, the main urban centre of Nepal, the chief concern is contamination from sewage lines, septic tanks, open pit toilet and surface water has been polluted by direct disposal of solid waste.
• The main river of Kathmandu valley is Bagmati River which meanders through the lands of the valley merging with many primary tributaries viz. Bishnumati, Dhobi, Manohara, Hanumante, Tukucha, Kodku, Godavari, Nakhu, and Balkhu, finally exiting from Chovar
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Kathmandu Valley
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Bagmati in the Past
• Kathmandu valley civilization is known as Bagmati
Civilisation
• Bagmati and Bishnumati have religious importance as
major temples and buddhist shrine are situated at the
river banks
• Bagmati and Bishnumati were sources of drinking water,
irrigation of Kathmandu valley and other human purposes
• River banks are ritual procession places at the time of
human birth and death.
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Bagmati and Kathmandu valley in the
past
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Bird eye view of Current Kathmandu
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Current condition of Bagmati
• Kathamandu is famous for its alluvial soil but now days
no barren land can be found due to increase number of
infrastructure and buildings. Population growth is the
major cause of Bagmati river pollution.
• Bagmati is polluted due to solid waste ,sewage waste and
human encroachment in the river banks
• River without water is the source of different diseases
• River bank settlement from the people migrating from all
over the country is polluting river more from their activities
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Current condition
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Policy taken to prevent pollution in Bagmati
• KMC has made compulsory provision of septic tank within
the building whiles constructing any building.
• KMC and government has removed the inhabitant and
destroy the infrastructure made by them encroaching river
banks
• Construction of separate sewage drainage in river banks
preventing sewage waste directly flowing to the river.
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Bagmati Cleaning Campaign
• Raise awareness not to pollute Bagmati river
• Make participation of NGO and INGO for cleaning river
• Make participation and co-ordination of government
bodies
• Media partnership for Bagmati cleanning
• Participation of people from every walks of life
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Initial stage of Bagmati
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Final exit of Bagmati from Kathmandu Valley
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Bagmati Cleaning campaign • Prime Minister in Bagmati Campaign
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Bagmati Cleaning campaign • People from every walks of Life
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Bagmati Cleaning campaign • Army and Police taking part in Bagmati Cleaning campaign
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Bagmati Cleaning campaign • President in Bagmati Campaign
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Bagmati Cleaning campaign • NGO and INGO in Bagmati Campaign
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Bagmati Cleaning campaign
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Taking bath at Bagmati river by Secretary of government of
Nepal after successful campaign
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Final Stage of Bagmati
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What we need to do in future
• Sewage and sludge should be treated before flowing it to
river
• Should construct large scale sewage and sludge
treatment plant
• Continuation of Bagmati cleaning campaign
• Water treatment plant in different part of city
• Prevent encroachment of river banks
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Hope in Future
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Thank You