Dakshin Dinajpur

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

B

anshihari  Block

Name of District

Dakshin Dinajpur

Area 2162 Sq Km

Name of block

Banshihari

Area 19651.90 Hec

Number of village in block

161

Number of towns / cities in block

 

River / Streams / Rivulets / Nalla

Name of river

Total length in block (km)

High flood level (m)

Danger level (m)

R. Tangon

15.0 km (approx)

27.0 km.

25.60 km

Bailia Khari

20.0 km (approx)

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

Erosion Problem

Name of stram / nalla

Year

Period of occurrence

Length of river bank eroded (m/km)

Location (name of important structure in its vicinity)

After-effect

R. Tangon

1995

1st wk of Oct

100mt

Near Mitrapara under Sayestabag mouza

 

Do

1996

Do

 

Do

1997

Middle of July

--

--

 

Do

1998

1st wk of Sep

--

Bagdnan near Rasalpara

 

Do

1999

1st wk of Sep

150 mt

--

 

Do

2001

Mid Sep

200 mt

At Tepridaha

 

Inundation Problem

Name of the stream / nalla

Year

Period of occurrence

Area under submergence (ha)

Average depth of water

Average period of water detention (hrs/days)

Affected human lives (no)

Infrustructure (road/railways /buildings)

Existing means of drainage

human

live stock

     

Cropped

Forest

Habitation

           

R. Tangan
R. Tangan
Do
R. Tangan
R. Tangan
R. Tangan
R. Tangan

1995
1996
1997
1998
1999
2000
2001

1st wk of Oct
do
Mid July
1st wk of Sep
Last Sep
-
Mid of Sep

 

Av. 24.0 Hector

550 to 1050 nos. av.

5.6 ft

15 days to 21 days

-
-
-
-
02
-
-

   

Through   dn Strea of River Tanga

Breach in Embankment

River

Year

Period of occurrence

Name of embankment

Location of breach

Cause of breach

Width/height of breach

Depth of water

Nature of soil

Tangon

1995

1st wk of oct.

Bilbarail

Kanoor Sayestabad

Sudden fall of River water at hight side

   

Clayey soil

Sedimentation / Shifting of River

River / Stream

Sedimentation

Shifting of river courses

Location

Average height

Period of occurrence

Location

Distance of shift (m)

Period (month/years)

Tangon

Bagduar

--

In the year 1999

--

--

 

Land slides

Date of occurrence

Location

After effects in terms of obstructing

   

River Flow

Road Communication

NIL

NIL

NIL

Water ways for road / railway bridge

Name of bridge

River

Location

Design waterway (m)

Design discharge (cumec)

Maxm observed discharged (cumec)

HFL of river

Shibpur to Mahipal road 2nos.

Local Khari

At 6.50 km

R.C.Slab

     

Harirampur Dhumsadighi Rd.

Do

At 10th km

Do

     

1no, BDP BL Co. Rd 1no.

R. Tangon

At 5. Km from BLG

Pile foundation bridge

   

27.05 mt

Existing Preventive Measures

For erosion control

Particulars

Spurs

Embankment

Revetment

Guide bunds

Launching aprons

Pitched island

Vegetal growth

Total length in the Block

NIL

NIL

NIL

NIL

NIL

NIL

NIL

Number

NIL

NIL

NIL

NIL

NIL

NIL

NIL

Location/river

NIL

NIL

NIL

NIL

NIL

NIL

NIL

.

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