Perunthenaruvi Weir

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Perunthenaruvi Weir

Perunthenaruvi Weir is a divertion dam built across Pamba river at villages of Naranammoozhi and Vechoochira in Pathanamthitta District of Kerala, India. Perumthenaruvi SHEP 6 MW (2×3) is a run- of- the- river scheme in river Pamba, and the weir is a part of this scheme. This envisages the utilization of water from 442 Km catchment of Pamba and Azhutha river for electricity generation under a net head of 18.00 m. The power house is located on the left bank of Pamba river. The weir is a concrete gravity type with a height of 10.93 metres (35.9 ft) and a length of 227.50 metres (746.4 ft).

Taluks through which the release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.^[1]

Specifications[edit]

Latitude : 9⁰ 24′ 44 ” N
Longitude: 76⁰ 52′ 48” E
Panchayath : Ranni- Perinad
Village : Naranammoozhi & Vechoochira
District : Pathanamthitta
River Basin : Pamba
River: Pamba
Release from Dam to river : Pamba

Type of Dam : Concrete – Gravity
Classification : Weir
Maximum Water Level (MWL) : EL 55.20 m
Full Reservoir Level ( FRL) : EL 51.0 m
Storage at FRL : 1.00 Mm3
Height from deepest foundation : 10.93 m
Length : 227.50 m
Spillway : Ungated- Overflow section
Year of completion : 2017
Crest LevelEL : 51.00 m
Name of Project : Perunthenaruvi SHEP
River Outlet : 2 Nos. 2.00x 4.00m

Hydrology[edit]

Catchment area - 442 Sq.kms
Average Annual Yield - 1093 Mm3
Peak flood at the diversion weir - 395Cumecs ^[2]

Tourism[edit]

Poonthenaruvi water falls

The Poonthenaruvi Water falls and related Eco tourism project is near the weir site. ^[3] There is hanging bridge and view towers to spectate the beauty of the ravine. ^[4]

References[edit]

↑ "Diversion Structures in Pathanamthitta district – KSEB Limted Dam Safety Organisation". Retrieved 2021-07-27. This article incorporates text available under the CC BY-SA 2.5 license.
↑ Chief Engineer (Civil Construction) South, Vydyuthi Bhavanam, Thiruvananthapuram. "Perunthenaruvi Small Hydro Electric Project".{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: url-status (link)
↑ "Perumthenaruvi". pathanamthittatourism.com. Official Website of DTPC, Pathanamthitta. Retrieved 2021-07-27.
↑ "Perunthenaruvi project inaugurated". The Hindu. Special Correspondent. 2016-03-02. ISSN 0971-751X. Retrieved 2021-07-27.{{cite news}}: CS1 maint: others (link)

[1] "Diversion Structures in Pathanamthitta district – KSEB Limted Dam Safety Organisation". Retrieved 2021-07-27. This article incorporates text available under the CC BY-SA 2.5 license.

[2] Chief Engineer (Civil Construction) South, Vydyuthi Bhavanam, Thiruvananthapuram. "Perunthenaruvi Small Hydro Electric Project".{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: url-status (link)

[3] "Perumthenaruvi". pathanamthittatourism.com. Official Website of DTPC, Pathanamthitta. Retrieved 2021-07-27.

[4] "Perunthenaruvi project inaugurated". The Hindu. Special Correspondent. 2016-03-02. ISSN 0971-751X. Retrieved 2021-07-27.{{cite news}}: CS1 maint: others (link)

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