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A Case Study on Periyar Valley Irrigation Project
8 IV April 2020 International Journal for Research in Applied Science & Engineering Technology (IJRASET) ISSN: 2321-9653; IC Value: 45.98; SJ Impact Factor: 7.429 Volume 8 Issue IV Apr 2020- Available at www.ijraset.com A Case Study on Periyar Valley Irrigation Project Bijimol Joseph1, Adharsh Unnikrishnan2, Alan Mathew3, Anandhu Soman4, Anoop K V5 1Asst Proff. Civil Engineering Department, Viswajyothi college of Engineering and Technology, Vazhakulam 2, 3, 4, 5Final year student, Viswajyothi college of Engineering and Technology, Vazhakulam Abstract: Periyar is the longest river in the state. It begins from the Sivagiri peaks of Sundaramala in Tamilnadu. The overall length of the river is about 300km. The catchment area of periyar is around 5396 sqkm and the total annual flow is founded to be 11607 cubic meters. The Land lying on the left bank of Periyar River through a network of canal systems and controlling devices is called Periyar valley irrigation project. The project was polish offed during the year 1992. It is spreaded over Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kanayannur and Paravur Taluk in Ernakulam district. It is delibrated for irrigating an area of 32800 Ha. Few problems were identified in the project during our case study. And we have to suggest some possible remedial measures to rectify the problems Keywords: Periyar river, periyar irrigation project, irrigation I. INTRODUCTION The Periyar valley Irrigation Project gives the canvas of utilization of the tail race discharging from the Muthirapuzha tributary of river Periyar together with the controlled release from Ennackal dam constructed by Kerala State Electricity Board across the Idamalayar tributary and the dependable run off from the uncontrolled catchment of Periyar River. -
Dam Break Analysis of Idukki Dam Using HEC RAS
International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 07 | July-2017 www.irjet.net p-ISSN: 2395-0072 Dam Break Analysis of Idukki Dam using HEC RAS Abhijith R1, Amrutha G2, Gopika Vijayaraj3, Rijisha T V4 1 Asst. Professor, Department of Civil Engineering, Viswajyothi College of Engineering and Technology, Vazhakulam, Kerala, India 2,3,4 UG Scholar, Department of Civil Engineering, Viswajyothi College of Engineering and Technology, Vazhakulam, Kerala, India ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract - Idukki reservoir, with an active capacity of developments, contingency evacuation planning and real 1459000000 m3 is a part of the Idukki Hydroelectric Project time flood forecasting. For assessing the flood damage due and comprises of Idukki Arch Dam, Kulamavu Dam and to dam breach it is necessary to predict not only the Cheruthoni dam. During the monsoon period when the dams possibility and mode of a dam failure, but also the flood hydrograph of discharge from the dam breach and the are full at its Maximum Reservoir Level (MRL) or in an propagation of the flood waves. The studies are to map or adverse event of dam break, the maximum discharge gets delineate areas of potential flood inundation resulting from released from these dams. This results into floods on a dam breach, flood depth, flow velocity and travel time of downstream and may cause disaster in cities or towns the flood waves etc. Knowledge of the flood wave and settled on the banks of the reservoir. This paper presents a flood-inundation area caused by a dam breach can case study of dam break analysis of Idukki Arch Dam using potentially mitigate loss of life and property damage. -
Idukki Travel Guide - Page 1
Idukki Travel Guide - http://www.ixigo.com/travel-guide/idukki page 1 Famous For : City Jul Pleasant weather. Carry Light woollen, When To umbrella. Idukki Thodupuzha, the entry point, is 65 km east Max: Min: Rain: of Kochi. District capital Painavu, 40 km Visit the 40-km stretch of Idukki, 29.29999923 23.70000076 516.099975585937 away, is the access point for the dams on 7060547°C 2939453°C 5mm watered by the Periyar River, which VISIT the Periyar River that are the highlights of Aug offers many sights in central Idukki this region. The Malankara Reservoir, spread http://www.ixigo.com/weather-in-idukki-lp-1185719 Pleasant weather. Carry Light woollen, District. You’ll find gentle green hills over 11 km, is a popular picnic spot. A steep umbrella. Max: 29.5°C Min: Rain: 330.5mm and no organised tourism. climb up the 2,685-foot-high Kurusha Para Jan 24.10000038 hill offers a breathtaking view of the 1469727°C Pleasant weather. Carry Light woollen. reservoir and the plantations around. Max: 31.5°C Min: Rain: Sep Thomankuttu is a series of cascading 23.10000038 32.2999992370605 Pleasant weather. Carry Light woollen, 1469727°C 5mm waterfalls. Rainbow Waterfalls, surrounded umbrella. Feb Max: 30.0°C Min: Rain: by lush forests, gush down from 4,921 ft, 25 24.20000076 283.799987792968 km from Thodupuzha. Said to be among the Pleasant weather. Carry Light woollen. 2939453°C 75mm Max: Min: Rain: highest peaks in Kerala, the Kudayathoor 31.79999923 24.10000038 24.2999992370605 Oct Mala rises 3,680 ft. -
Hill Station
MOUNTAINS & HILLSTATIONS HILL STATION • A hill station is a town located at a higher elevation than the nearby plain which was used by foreign rulers as an escape from the summer heat as temperatures are cooler in high altitudes. MUNNAR ➢ Munnar the famed hill station is located in the Idukki district of the southwestern Indian state of Kerala. ➢ Munnar is situated in the Western Ghats range of mountains. ➢ The name Munnar is believed to mean "three rivers", referring to its location at the confluence of the Mudhirapuzha, Nallathanni and Kundaly rivers. ➢ The hill station had been the summer resort of the British Government during the colonial era. ➢ Munnar also has the highest peak in South India – Anamudi, which towers over 2695 meters ➢ Munnar is also known for Neelakurinji, a rare plant which flowers only once in twelve years. ➢ The Eravikulam National Park, Salim Ali Bird Sanctuary and tea plantations are its major attractions. DEVIKULAM HILL STATION • Devikulam is located in the Idukki district in Kerala. Situated at an altitude of 1800 meters above sea level, this hill station will give you peace, serenity and breathtaking natural beauty. • The Devi Lake, which is said to have mineral water, is a gift from the nature. • It is said that Goddess Sita (Wife of Lord Rama) bathed in the lake after which it is named since then, skin-ailments treating water of the lake OOTY • Ooty is one of the best hill stations in India and also known as Udhagamandalam, Ooty is often referred to as ‘Queen of hill stations’. • It is the capital of Nilgiris district in the state of Tamilnadu. -
Munnar Landscape Project Kerala
MUNNAR LANDSCAPE PROJECT KERALA FIRST YEAR PROGRESS REPORT (DECEMBER 6, 2018 TO DECEMBER 6, 2019) SUBMITTED TO UNITED NATIONS DEVELOPMENT PROGRAMME INDIA Principal Investigator Dr. S. C. Joshi IFS (Retd.) KERALA STATE BIODIVERSITY BOARD KOWDIAR P.O., THIRUVANANTHAPURAM - 695 003 HRML Project First Year Report- 1 CONTENTS 1. Acronyms 3 2. Executive Summary 5 3.Technical details 7 4. Introduction 8 5. PROJECT 1: 12 Documentation and compilation of existing information on various taxa (Flora and Fauna), and identification of critical gaps in knowledge in the GEF-Munnar landscape project area 5.1. Aim 12 5.2. Objectives 12 5.3. Methodology 13 5.4. Detailed Progress Report 14 a.Documentation of floristic diversity b.Documentation of faunistic diversity c.Commercially traded bio-resources 5.5. Conclusion 23 List of Tables 25 Table 1. Algal diversity in the HRML study area, Kerala Table 2. Lichen diversity in the HRML study area, Kerala Table 3. Bryophytes from the HRML study area, Kerala Table 4. Check list of medicinal plants in the HRML study area, Kerala Table 5. List of wild edible fruits in the HRML study area, Kerala Table 6. List of selected tradable bio-resources HRML study area, Kerala Table 7. Summary of progress report of the work status References 84 6. PROJECT 2: 85 6.1. Aim 85 6.2. Objectives 85 6.3. Methodology 86 6.4. Detailed Progress Report 87 HRML Project First Year Report- 2 6.4.1. Review of historical and cultural process and agents that induced change on the landscape 6.4.2. Documentation of Developmental history in Production sector 6.5. -
Static GK Digest
www.gradeup.co 1 www.gradeup.co Static GK Digest Dear Readers, This Static GK Digest is a complete docket of important information of Static topics. The Static GK Digest is important and relevant for all competitive exams like Banking, Insurance, SSC and Govt. Exams. LIST OF NATIONAL PARK AND WILDLIFE SANCTUARIES States National park Remarks Andhra Pradesh Papikonda National Park - Sri Venkateswara National Park - Coringa Wildlife Sanctuary Krishna Wildlife Sanctuary Arunachal Pradesh Mouling National Park - Namdapha National Park - Kamlang Wildlife Sanctuary Assam Kaziranga National Park One-Horned Rhinoceros, UNESCO World Heritage Site Dibru-Saikhowa National Park Feral horse, Golden Langur Golden Langur, Red Panda, UNESCO World Heritage Manas National Park Site Nameri National Park - Orang National Park - Bihar Valmiki National Park - Kaimur Wildlife Sanctuary Chhattisgarh Indravati National Park - Kanger Valley National Park - Guru Ghasi Das (Sanjay) National Park - Achanakmar Wildlife Sanctuary Goa Mollem National Park - Salim Ali Bird Sanctuary Gujarat Gir Forest National Park Asiatic lion Blackbuck National Park Black Buck Marine National Park, Gulf of Kutch - Vansda National Park - Indian Wild Ass Sanctuary 2 www.gradeup.co Haryana Kalesar National Park - Sultanpur National Park - Himachal Pradesh Pin Valley National Park - Great Himalayan National Park UNESCO World Heritage Site Inderkilla National Park - Khirganga National Park - Simbalbara National Park - Jammu & Kashmir Dachigam National Park Kashmir stag Hemis National Park -
Dam Disclosures
Dam disclosures The Hindu, New Delhi Dated: September 13, 2018 MORE-IN The people of Kerala have braved the worst calamity since the great flood of 1924. The floodwaters have receded from most of the affected areas barring Kuttanad. Most people have gone back to their homes from relief camps, only to find them battered beyond redemption. As the State is coming back to a “new normal” after the devastation, it is time to ponder on the reasons for the floods. Rubbishing the contention from the Opposition as well as studies from international experts that the mismanagement of dams was the primary reason for the floods, the Kerala government has stood firm that incessant rainfall in August is what caused the floods. This is in contrast to the affidavit filed in the Supreme Court by the Chief Secretary of Kerala, which cited the water released from a dam as the major cause of the floods. While there was considerable deviation in rainfall in August, it is unacceptable to put the onus only on that. In fact, according to a India Meteorological Department study, the rainfall in August was only the sixth highest in the past 143 years (1875-2017) in Kerala. Mismanagement of dams One of the major functions of dams is flood protection — to attenuate the flow of water and its impact downstream. The golden rule followed in dam management is to maintain a flood cushion (buffer) in case of unexpectedly high rainfall. Kerala has 39 major dams. Their maintenance is shared between the Kerala State Electricity Board (KSEB) and the Water Resources Department. -
Annual Report 2013-'2014
ANNUAL REPORT 2013-’2014 National Centre for Earth Science Studies (ESSO, Ministry of Earth Sciences, Govt. of India) Akkulam, Thiruvananthapuram-695011, India Chief Editor Dr. N. P. Kurian Editorial Board Dr. D. Padmalal Dr. L. Sheela Nair Dr. D. S. Suresh Babu Secretarial Assistance Mr. D. Sreekanth Pai Mrs. S. R. Reeja Raj Mrs. R. P. Rejani Contents From the Director’s Desk ........................................................................................................................................................... v NCESS: Retrospect and Prospect ............................................................................................................................................. vi 1. Crustal Processes 1.1 Palaeoproterozoic palaeomagnetism with special reference to the mafic dykes in the Archaean craton around the Cuddapah basin ............................................................................................................................................. 1 1.2 Mafic volcanic flows/sills in the Gwalior, Bijawar and Cuddapah Basins ....................................................... 2 1.3 Archeaomagnetism ......................................................................................................................................... 3 1.4 Major and trace element geochemistry and Sr-Nd isotope study of the charnockites from Southern Granulite Terrain ......................................................................................................................................................... -
Malankara Dam
Operation and Maintenance Manual for Malankara Dam (KL07HH0049) Water Resources Department Government of Kerala O&M Manual of Malankara Dam August 2020 Operation and Maintenance Manual for Malankara Dam (Prepared By) KERALA WATER RESOURCES DEPARTMENT STATE OF KERALA August 2020 i O&M Manual of Malankara Dam August 2020 Government of Kerala Operation and Maintenance Manual Malankara Dam ii O&M Manual of Malankara Dam August 2020 KERALA WATER RESOURCES DEPARTMENT Disclaimer This Operation and Maintenance Manual for Malankara Dam in no way restricts the dam operators in digressing from her/his responsibilities. The Dam Operators must exercise appropriate discretion and good judgment based on actual site condition when implementing and using the operation and maintenance manual for managing the workings of the dams and appurtenant structures. The manual was developed for the purpose of organising and managing the operation, inspection and maintenance of the dams for reducing risk and optimizing performance of the dams as a general guide. For any information, please contact: THE CHIEF ENGINEER PROJECT II KERALA STATE WATER RESOURCE DEPARTMENT THIRUVANANTHAPURAM, KERALA Email: [email protected] iii O&M Manual of Malankara Dam August 2020 FOREWARD Globally, the Operation and Maintenance (O&M) Manual of a dam/barrage is one of the most important documents which is supposed to be put in practice right from the initial filling of reservoirs. In order to address the operation and maintenance aspects, ongoing Dam Rehabilitation and Improvement Project (DRIP) has requisite scope to prepare new or update existing O&M manuals for all DRIP dams, which will become very helpful to Dam/Barrage Owners in addressing the dam specific issues comprehensively in future. -
Central Panel Silent on Role of Mullaperiyar the Hindu, New Delhi, Dated
Central panel silent on role of Mullaperiyar The Hindu, New Delhi, Dated : September 12, 2018 The Central Water Commission (CWC), in its report on the role of dams in the Kerala floods, has omitted analysis of the operations of the Mullaperiyar dam, the contentious reservoir located in Kerala and operated by Tamil Nadu. It has, however, detailed descriptions of the water-release patterns in the Idukki and Idamalayar dams on August 15, 16, and 17, when the rains reached their zenith. An official, who did not want to be identified, said this was because the Mullaperiyar dam had “no role” in magnifying the disaster — a position that is against the Kerala government’s position. ‘No assurances given’ The role of the dam assumed significance after the Kerala government, on August 23, claimed in the Supreme Court that sudden release of water from the Mullaperiyar dam was a cause for the floods in the State. Kerala said communication from its Water Resources Secretary and the Chairman of the Supervisory Committee on Mullaperiyar dam to gradually release water evoked no “positive assurances” from the Tamil Nadu government. The Mullaperiyar dam and the Idukki dam have similar catchment areas but the latter is about five times bigger in terms of storage. “It was the dams on the lower Periyar that needed to be analysed. The Mullaperiyar dam (on the upper Periyar) didn’t play a role at all,” said the official, who didn’t want to be identified, citing matters pertaining to the dam as “sub judice.” Another official in the Union Water Resources Ministry said the references to the dam were kept out as it would have detracted from the import of the study, namely, that it was the sheer volume of water on particular days between August 8 and 17 and not decisions around the release of water from the State’s major reservoirs, that was responsible for the devastation. -
14. Factoring Terrain Characteristics for Reconstruction of Kerala
Building a New Kerala: Ideas and Reflections RULSG-Policy Pointers Series: 14 Factoring Terrain Characteristics for Reconstruction of Kerala: Mahamaya Chattopadhyay 1 Building a New Kerala: Ideas and Reflections RULSG-Policy Pointers Series: 14 Factoring Terrain Characteristics for Reconstruction of Kerala Mahamaya Chattopadhyay The State of Kerala has witnessed a trail of unprecedented devastation due to heavy rainfall during the month of August, 2018, which has created enormous landslips in the high ranges of the Western Ghats and flooded almost the entire State. More than 20 dams released water that cascaded down the tributaries leaving behind a trail of destruction. There is a long debate to pinpoint the source of the tragedy. It has been claimed that this nature’s fury is caused by the wilful disregard and rejection of the Madhav Gadgil report on the Western Ghats. Large parts of the regions affected by the landslips and its aftermaths were specifically classified as ecologically sensitive zones by the Western Ghats Ecology Expert Panel in 2011. Before pointing out the unscientific land use pattern or noncompliance of Expert committee reports or mismanagement of dams, it is important to understand the terrain character of Kerala and contextualise the present incidence. This is significant particularly while planning for reconstruction of the State. Kerala covering an area of 38960 km 2 can be divided into five major physiographic units: Mountain peaks, high ranges and plateaus (>600 metre); Foothills and plateau bounding slopes (300m to 600m); Uplands, lateritic mesa, ridges and mounds (100-300m); midlands and piedmont plains (20- 100m); and coastal strip and adjoining lowlands. -
Idukki Reservoir Break Analysis
ISSN (Online) 2456-1290 International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE) Vol 6, Issue 7, July 2021 Idukki Reservoir Break Analysis [1] Sajna K Anas, [2] Ruben A Varughese, [3] Anoop P D [1][2] Student, Department of Physics, Catholicate College Pathanamthitta, [3] Assistant Professor, Department of Physics, Catholicate College Pathanamthitta Abstract:-- Idukki reservoir is a part of the Idukki Hydroelectric Project and comprises of Idukki Arch Dam, Kulamavu Dam and Cheruthoni dam. The two reservoirs- Mullaperiyar Dam and Idukki reservoir together form 24 per cent of Periyar’s catchment. This study is aimed to evaluate the wave which forms when water from the Mullaperiyar hits the water column of the Idukki reservoir that could overtop the Cheruthoni Dam and how it affects the Kulamavu dam which is 22km apart from Cheruthoni dam, Kerala, India. These dams are operational since 1976 and 1977 respectively. It is important to examine the effect of water that rushes into it at the time of emergency and the magnitude of kinetic energy at the time of breaching. The present study includes the dam-break flood analysis of the Mullaperiyar dam up to the Idukki reservoir. This project is an extension of it. Dam break failures are often caused by overtopping of the dam due to inadequate spillway capacity during large inflows into the reservoir from heavy rainfall-generated runoff. Dam failure may also be caused by seepage or piping through the dam or along internal conduits, earthquake and landslide generated waves in the reservoir. For a cascade of dams, the breaking of one dam may cause subsequent damage to other dams located downstream due to their overtopping.