MALAMPUZHA IRRIGATION PROJECT



Salient Features

General

State

Kerala

District

Palakkad

Taluk/Village

Palakkad ndash; Malampuzha I

Latitude

Between 100 48rsquo;and 100 55rsquo;

Longitude

Between 760 39rsquo;and 760 42rsquo;

River

Malampuzha

Year of Completion

1966

Structural Features of Dam

Type

Straight Gravity Dam with Earthen Saddle

Top Width

Masonry ndash; 4.87M

Earthen ndash; 6.09M

Bottom Width

21.336 M

Length

Masonry ndash; 1626.71M

Earthen ndash; 222.20M

MaximumHeightfromLowest Foundation
38.10 M

Slope ndash; upstream amp; down stream

Masonry 1:8U/S, 0.7:1 amp; 0.6:1 D/S

Hydrological Features of Dam

Catchment Area

147.635Km2

Probable Maximum Flood

360 cumecs

Spillway

Location

110.49M Chainage

Type

Total length

55M

Crest level

110.49M

Design capacity of spillway

367 Cumecs

Number, type and sizes of gates

4 nos. 10.97 x 4.57M

Reservoir Features

Top bank Level

117.35M

Maximum water level

115.06M

Full reservoir level

115.06M

Minimum drawdown level

91.44M

Dead storage capacity

12.40 Mm3

Gross storage capacity

226 Mm3

Freeboard over F.R.L

2.29 m

Reservoir Area at F.R.L

22 Km2

Free board over M.W.L

2.50m