Planning & Disaster Managment

7/30/2019 Planning & Disaster Managment

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SUBMITTED TO:-

Mrs. TUHINA SINHA. SUBMITTED BY:-RAKESH (070212)

NAGARJUN (070213).

DEPARTMENT OF URBAN AND REGIONAL PLANNING

SCHOOL OF PLANNING AND ARCHITECTURE

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY


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INTRODUCTION Flood Definition :-

A flood is an overflow of an expanse of water that submerges land adeluge.

Causes of Flood:-

Mass of water exceeding the total capacity of river or lake.

When an area of land, usually low-lying is covered with water.

Worst floods occurs when river overflows its banks.

When soil & vegetation cannot absorb all the water.

Coastal areas are occasionally flooded by high tides caused by

severe winds on ocean surfaces, or by tsunami waves.

Effects of Flood:-

Structures get damaged.

Landslides can take place.

People & livestock die due to drowning.

It leads to epidemics & diseases.


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River Krishna

The delta of the river is one of the

most fertile regions in India and was

the home to ancient Satavahana

and Ikshvaku sun dynasty, kings.

Sangli in Maharashtra & Vijayawada

in A.P. are the largest cities on the

River Krishna.

Ecologically, this is one of the

disastrous rivers in the world, it

causes heavy soil erosion during the

monsoon season.

Mahabaleswar

Hamasaladeevi

Length:- 1400 km


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Krishna Basin extends over an area

of 258,948 km which is nearly 8% of

total geographical area of the

country.

It flows fast and furious, often

reaching depths of over 23 m.

Tributaries

Left:- Bhima, Dindi, Peddavagu,

Halia, Musi, Paleru,

Munneru

Right:- Koyna, Panchganga,

Dudhganga, Ghataprabha,

ANDHRA PRADESH 113,271 km2

KARNATAKA 76,252 km2

MAHARASHTRA 69,425 km2

River Krishna


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Dams across the River Krishna

Basava sagar dam

Almatti dam

Srisailam dam

Nagarjuna sagar dam

Prakasham barrage

Jurala dam

Dhom dam

Narayanpur dam

Amar dam Prakasham barrage in Vijayawada


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High flood warning alert message

As per the CWC message dt:01.10.09 the river

TUNGABHADRA AT MANTRALAYAM IS LIKELY TO

CROSS THE PREVIOUSLY RECORDED HFL OF 315.80

meters during November 1992 by midnight tonight.

The discharge would be about 5,00,000 lakhs cusecs on

02.10.2009 between 6.00 am to 9.00 am.

The studies conducted on the catchment of Srisailam project

revealed that five days of continuous rain will give a

maximum flood of 26,00,000 c/s at Srisailam barrage.


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Rainfall

Date Kowthala

m

Mantralaya

m

Kosig

i

Nandavaram C.Belaga

l

Gudur

29/9/09 12.00 7.40 22.4 9.4 9.2 35.4

30/9/09 53.00 31.80 31.8 28 61.4 62.8

1/10/09 110.00 191.00 82.4 138 156.6 222.6

2/10/09 183.40 253.40 226.2 253.4 72.8 71.2

3/10/09 Nil 20.50 14.6 50.2 21.2 32.2

All units are in mm


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INFLOW TO SRISAILAM DAM FROM

VARIOUS SOURCES (in Cusecs)

DATE JURALA ROJA HUNDRI TOTAL

30/9/2009 1,50,410 55,601 250 2,06,261

1/10/2009 2,95,125 3,00,000 43,160 6,38,285

2/10/2009 10,86,516 9,50,000 2,00,00 22,36,516

3/10/2009 9,77,655 2,80,000 25,000 12,82,655


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FLOOD AT SRISAILAM BARRAGE

DATE LEVEL(feet) INFLOWS(c/s) OUTFLOWS(c/s)

30/9/2009 884.90 2,06,261 70,710

1/10/2009 884.50 6,38,285 5,41,150

2/10/2009 891.20 22,36,516 10,08,228

3/9102009 896.20 12,82,655 15,90,400


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Flood in Tungabhadra

KURNOOL


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Sunkesula Barrage on 2-10-2009


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KURNOOL


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FLOOD

Karnataka and Andhra Pradesh have witnessed the heaviest flood in

the river Krishna and its tributaries in more than 106 years.

With water inflow of 1.11 million Cusec at the Prakasham Barrage,

which is surpassed previous record of 1.08 Million Cusec recorded

in the year 1903.

The water level touched 21.4 feet at Prakasham Barrage and all the

72 sluice gates had been lifted to let out water into Bay of Bengal.

The devastation is on an unprecedented scale. Both states will take

months to come back to a semblance of normal life.


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The floods are never seen in over 1000 years and resulted in heavy

damage to Kurnool, Mahabubnagar, Guntur, Krishna and Nalgonda

Districts.

Entire Kurnool city is surrounded by 10 feet water for nearly 3 days.

The death toll in AP is put at 37

Hundreds of people have been trapped on roof-tops without food and

water for three days.

AP official data shows that the floods triggered by heavy rains have

inundated 400 villages, affecting a population of over 1.8 million and

rendering 4,00,000 people homeless. Over 5,000 houses have been

damaged while crops in over half a million acres have been lost.


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KURNOOL


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DAMAGE TO PROJECTS


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EFFECTS OF FLOOD


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KURNOOL OLD TOWN


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