K O C H I F L O O D M I T I G A T I O N CANAL

Minor Irrigation |

1.INTRODUCTION

Kochi is a land of canals and backwater.The Canals Network in is very much intertwined with rivers and backwaters.Most of the traditional areas and heritage zones are connected by such canal system.Thevara canal is one of the canal in this network.It is starting from vembanadukayal and ends at Chilavannurkayal.Thevara canal having length of 1.40 Km and average width of 20m. The average depth of canal is 1.30m. Koithara canal, Konthuruthythodu and Thevaraperandoor canal are starting from Thevara canal.

Starting point of Thevara canal, ch: 0m MINOR IRRIGATION | ERNAKULAM N E A R T H E V A R A M A R K E T , C H : 2 1 5 M

A T C H : 9 3 0 M , S T A R T I N G P O I N T O F T H E V A R A P E R A N D O O R C A N A L

THEVARA CANAL | SITE PHOTOS A T C H : 1 3 1 0 M , K A L L U P A L A M

E N D P O I N T O F T H E V A R A C A N A L , C H : 1 4 0 0 M

THEVARA CANAL | SITE PHOTOS 2. HISTORY

Thevara canal is a navigable canal. This canal passes through Thevara market and Koithara.In ancient times this canal used for transporting goods, and it connects the places Thevara, and Mattancheri to Kundannur, , and .

3. CROSS STRUCTURES

There are three bridges across Thevara canal. Thevara bridge is crossing at ch:215m, railway bridge is at ch: 930m and the Kallupalam is at ch: 1310m.

Thevara bridge Kallipalam bridge Railway bridge

THEVANA CANAL 4. PROBLEMS

1. At chainage 0m, the main obstruction is the silt deposition in the canal and its mouth. 2. From ch: 0m to 930m silt is deposited and atch: 930m vegetation is there. 3. The obstructions found at the ch: 1310m is the presence of water hyacinth and silt deposition. 4. At the end point, ch: 1400m silt deposition and vegetation is the main obstruction.

5. REMEDIAL MEASURES

§Desilting ofThevara canal and in its mouth is the solution remove the deposited silt.Also removal of vegetation and water hyacinth from the canalwill leads to easy flow of water through the canal and also towards the backwater.

6. LINE SKETCH

REALLYGREATSITE.COM THEVANA CANAL