Dakshin Dinajpur

Master plan for Flood Management and Erosion Control in North Bengal, Phase - I

T

apan  Block

Name of District

Dakshin Dinajpur

Area - 2162 Sq. K.M.

Name of Block

Tapan Block

Area 445.63 Sq. Km.

No. of village in the block

 

279

River Streams Rivulets Nalla

Name of River

Total length in the block (Km)

High flood level (m)

Danger level

Punarbhaba

20 Km

-

25.82

Bramhoni

17 Km

   

Tangon

7 Km

   

Problem  Location (as based on the historical data of past 10 years)       

Erosion Problem

Name of Stream

Year

Period of occurrence

Location(name) of important structure

After effect

Inundation Problem

Name of Stream Nalla

Year

Period of occurrence

Area under submergenc

Average period of water detention (Days)

Affected lives (no)

Infrastructure

Existing means of drainage

         

Human

Cattle

   

Punarbhaba  Tangon    Bramhoni

1991

Oct

25000 ha

7

14000

40000

9000 houses

 

do

1995

Nov

44000 ha

10

16500

65000

30397 houses

do

1998

Oct

30000 ha

8

85.500

50000

35000 houses

do

1999

Oct

40000 ha

9

65000

25000

35000 houses

Breach in Embankment

River

year

Period of occurrence

Location of Breach

Cause of Breach

Width Hight of breach

Depth of water at site

Nature of soil

Punarbhaba 

1991-1995-1998-1999-2001

Rampara chechra Gram Panchayat

Flood

200ft/8ft 225ft/8ft 250ft/8ft 250ft/8ft 300ft/8ft

Sandy

Tangon

do

 

East side

do

do

   

Sandy

Bramhoni

do

 

Both side

do

do

   

Sandy

Sedimentation / Shifting of River-Nil

River Stream

Sedimentation

Shifting of river courser

 

Locatrion

Average hight

Period of occurrence

Location

Distance of shift (m)

Period Month Year

Land Slides-Nil

Date of occurrence

Location

After effects in term of obstructing

   

River flow

Road communication

Water ways for road railway bridge

Name of bridge

River Khari

Location

Design waterway

design discharge

Maxm observed discharged

HFL of river

Well foundation Bridge

Punarbhaba

Amtalighat

75m

     

RCC Box Bridge

Kasiari Khari

Saranjabari

40m

     

RCC Box Bridge

do

21 mile

40m

     

Existing Preventive Measures

a) For Erosion control --NIL

b) For Flood Management

Particulars

Diversion of flood flow to local beels

Small check (height of dams)

Any other measures

No of schemes

Nil

Nil

200 ha

Raising of bundh by the side of rivers

Location

   

Rampara chechra & Ramchandrapur G.P.

Rampara chechra & Ramchandrapur and Gurail G.P.

Effectiveness of above measures

 

Suggested Solution

       

a) Strengthening of flood protecting bundhs by the side of rivers.

b) Construction of sluice gate at different points by the side of rivers

.

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