Kochu Pamba Weir

Kochu Pamba Weir is a diversion dam constructed across Pamba river in Seethathode village of Pathanamthitta district in Kerala, India. It is one of the five dams which are parts of Sabarigiri HydroElectric Project. These are Pamba dam, Kakki dam, Anathode dam, Gavi dam and Kochu Pamba weir ^[1] Sabarigiri Hydro Electric Project ( 340 MW) is the second largest hydro electric project of Kerala and is located in Pathanamthitta district. This weir is constructed as a part of Sabarigiri Augmentation Scheme. Water from this reservoir is pumped in to the Pamba reservoir through a pump house located at the downstream of Pamba dam. Taluks through which release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.^[2]

Specifications

Latitude : 9⁰ 17′ 00 ” N
Longitude: 77⁰ 08′ 30” E
Panchayath : Seethathodu
Village : Seethathodu
District : Pathanamthitta
River Basin : Pamba
River : Pamba
Year of completion
Name of Project : Sabarigiri HEP
Purpose of Project Hydro Power

Type of Dam Concrete- gravity
Classification Weir
Maximum Water Level (MWL) EL 936.18 m
Full Reservoir Level ( FRL) EL 935.73 m
Storage at FRL Diversion only
Height from deepest foundation : 3.65 m ( Height above river bed)
Release from Dam to river Pamba Length 52.45 m
Spillway : Ogee Type; Overflow section- Ungated
Crest Level EL 935.73 m
River Outlet 1 No. Circular type, 60cm dia

References

^ "Gavi trip through forest: All you need to know". OnManorama. Retrieved 2021-07-28.
^ "Diversion Structures in Pathanamthitta district – KSEB Limited Dam Safety Organisation". Retrieved 2021-07-28. This article incorporates text available under the CC BY-SA 2.5 license.

[1] "Gavi trip through forest: All you need to know". OnManorama. Retrieved 2021-07-28.

[2] "Diversion Structures in Pathanamthitta district – KSEB Limited Dam Safety Organisation". Retrieved 2021-07-28. This article incorporates text available under the CC BY-SA 2.5 license.

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