Kuttiyadi Augmentation Spillway Dam
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Kuttiyadi Augmentation Spillway Dam or Banasurasagar Spillway dam is a concrete dam with spillways for the Banasurasagar reservoir. This dam is situated in Padijarathara Panchayath of Padijarathara village in Wayanad district of Kerala, India. It aims at utilizing water of the Karamanthodu River, a tributary of Kabani River. The Scheme comprises a main dam known as Banasurasagar Dam an earth fill dam and a concrete gravity spillway dam and six saddle dams. Kuttiady Augmentation Spillway dam is a concrete dam with spillways for the Banasurasagar reservoir.[1]
The Kuttiyadi Augmentation Scheme comprises a main dam known as Banasurasagar Dam, an earth fill dam and this concrete gravity spillway dam and six saddle dams namely, a) Kosani ( Earth fill dam) 13.8 metres (45 ft) high b) Near Kottagiri ( Earth fill dam) 11.0 metres (36.1 ft) high c) Kottagiri ( Earth fill dam) 14.5 metres (48 ft) high d) Kuttiyadi ( Concrete dam) 16.5 metres (54 ft) high e) Nayamoola ( Earth fill dam) 3.5 metres (11 ft) high f) Manjoora ( Earth fill dam) 4.0 metres (13.1 ft) high.
Specifications[edit]
- Location Latitude:11⁰40’18”N
- Longitude:75⁰57’36”E
- Panchayath Padinjarathara
- Village Padinjarathara
- District Wayanad
- River Basin : Kabani River
- River : Karamanthodu
- Release from Dam to river Karamanthodu
- Taluk through which release flows : Vythiri, Mananthavadi
- Year of completion : 2006
- Name of Project Kuttiady Augmentation Scheme
- Purpose of Project Multi purpose Power, Irrigation and Drinking water
- Dam Features
- Type of Dam Concrete gravity
- Classification HH ( High Height)
- Maximum Water Level (MWL) : EL 775.60 meters
- Full Reservoir Level ( FRL) : EL 775.60 meters
- Storage at FRL : 209.25 Mm3
- Height from deepest foundation : 36.50 metres (119.8 ft)
- Length 56.38 metres (185.0 ft)
- Spillway : 4nos Radial Gate 10.97 x 9.2m
- Crest Level EL 767.00m
- River / Irrigation Outlet 2Nos circular, 2 m diameter
- Project Identification Code ( PIC) : KL29HH0056
Reservoir[edit]
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.[2]
References[edit]
- ↑ "BANASURASAGAR DAM – KSEB Limted Dam Safety Organisation". Retrieved 2021-07-30.
This article incorporates text available under the CC BY-SA 2.5 license.
- ↑ "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.
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