Kuttiyadi saddle dam

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Kuttiyadi saddle dam
CountryIndia
Opening date2004
Dam and spillways
Type of dam Concrete gravity
Length121.0
kuttiyadi Saddle Dam Kuttiyadi-saddle dam.jpg
kuttiyadi Saddle Dam

Kuttiyadi Saddle Dam (Malayalam:കുറ്റ്യാടി തടയണ) is a concrete gravity dam built across Karamanathodu river which is a tributary of Kabani river in Padinjarathara village of Wayanad district in Kerala, India. It is one of the six dams created as part of Kuttiyadi Augmentation scheme which augments the Banasurasagar reservoir. The dam was built and is maintained by Kerala State Electricity Board. [1]

Contents

The Kuttiyadi Augmentation Scheme comprises a main dam known as Banasurasagar Dam, an earth fill dam and a concrete gravity spillway dam and six saddle dams namely, a) Kosani ( Earth fill dam) 13.8 m high b) Near Kottagiri ( Earth fill dam) 11.0 m high c) Kottagiri ( Earth fill dam) 14.5 m high d) Kuttiyadi ( Concrete dam) 16.5 m high e) Nayamoola ( Earth fill dam) 3.5 m high f)   Manjoora ( Earth fill dam) 4.0 m high. All the dams, except Kuttiady saddle, are earth fill dams. The Kuttiyadi saddle dam is a concrete dam. The spillway is located adjacent to the main dam at the right bank of the original river course. The water spread area at FRL / MWL is 12.77 km2. The catchment area of Banasurasagar Dam is 61.44 km2. [2]

Specifications

Dam Features

Reservoir

Kutyadi Augmentation Reservoir Banasura sagar reservoir.jpg
Kutyadi Augmentation Reservoir
Kutyadi Augmentation Reservoir layout Kutyadi augmentation Reservoir.jpg
Kutyadi Augmentation Reservoir layout

The Gross Storage of Kuttiyadi Augmentation (Banasura sagar) Reservoir is 209 Mm3 and live storage 185 Mm3. The water stored in the reservoir is diverted to the reservoir of Kuttiyadi Hydro Electric Project through an interconnecting tunnel. The sill level of diversion tunnel at inlet is 750.83 m. The size and shape of tunnel is varying. It is varying from 2.35 m dia. circular lined tunnel for a length of 890m &2.85 m D-shaped unlined tunnel for a length of 3873 m. Maximum diversion is11.6 m3/s. The diverted water is used for power generation from Kuttiyadi Power Station. FRL of the reservoir is 775.60 m. Top level of dam is 778.50 m. There are four radial gates, each of size 10.97 m x 9.20 m. Crest level of spillway is 767.00 m. Spillway capacity is 1664 m3/s. One lower level outlet is provided in the spillway structure at750.75 m of size 1.10 m X 1.75 m to release irrigation requirement. [4]

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Near Kottagiri Saddle dam is an earthen dam constructed on Karamanthode which is a tributary of Kabani river at Thariyode, of Wayanad district in Kerala, India. It is a saddle dam of Banasura sagar Reservoir built as a part of Kuttiyadi Augmentation Scheme. The dam was constructed and is maintained by Kerala State Electricity Board. The height of the dam is 11.0 metres (36.1 ft) and the length is 110.0 metres (360.9 ft).

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Kottagiri Saddle dam is an earthen dam constructed across Karamanthodu which is a tributary of Kabani river at Thariyode village of Wayanad district in Kerala, India. It is a saddle dam of the Banasura sagar reservoir built as part of The Kuttiyadi Augmentatuin Scheme. The dam was constructed and is maintained by Kerala State Electricity Board.

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Manjoora Saddle dam is an earthen dam constructed across Karamanthode which is a tributary of Kabani River in Thariyode village of Wayanad district in Kerala, India. It is one of the six saddle dams of Banasura sagar reservoir built as oart of the Kuttiyadi Augmentation scheme.

<span class="mw-page-title-main">Nayanmoola Saddle Dam</span> An earthen dam in Kerala

Nayanmoola Saddle dam is an earthen dam constructed across Karamanthode at Thariyode village of Wayanad district in Kerala, India. It is a saddle dam of Banasura sagar reservoir built as a part of the Kuttiyadi Augmentation scheme. The dam has a height of 3.5 metres (11 ft) and a length of 24.0 metres (78.7 ft)

Kulamavu Saddle Dam (Near Junction) is one of the two saddle dams of Idukki Reservoir constructed across Kilivallithodu River which is a tributary of Periyar river at Arakkulam village in Idukki District of Kerala, India. It is a Rolled Earth filled dam with a height of 18.29 metres (60.0 ft) and a Length of 457.2 metres (1,500 ft). The road to Idukki from Thodupuzha passes over this saddle dam.

References

  1. "Revised List of DRIP Dams | DRIP - Dam Rehabilitation and Improvement Project". damsafety.in. Retrieved 2021-07-30.
  2. "Banasurasagar Dam – KSEB Limited Dam Safety Organisation" . Retrieved 2021-07-30. Creative Commons by-sa small.svg  This article incorporates text available under the CC BY-SA 2.5 license.
  3. Indiawris. "Dams in Kerala".
  4. "Kerala State Electricity Board Limited - Emergency Action Plan (Tier-I) Kuttiyadi Augmentation Dams (Kuttiyadi Main, Spillway, Nayanmoola & Manjoora)". www.kseb.in. Retrieved 2021-07-30.