world bigest kalpasar dam project

The world's longest dam will be built in the Gulf of Khambhat! Interesting information about Gujarat Government's Dream Kalpsar project.

Meaning of ‘Kalpasar’:

he Meaning of’Kalpasar’ is “A lake that fulfills all the wishes”. The word Obtaining from Hindu mythological ‘Kalpa Vriksha’ – wishing tree.

This impressive scheme called Kalpasar yojna is look on and developed by utilizing the concepts of two most successfully implemented projects in the world.

Objectives Edit :

Kalpasar aims at the creation of a fresh water coastal reservoir in the Gulf of Khambhat by the construction of a dam connecting the east and west bank of the Gulf. In the reservoir the runoff from Sabarmati, Mahi, Dhadar and Narmada will be stored, together with the waters from the Saurashtra rivers discharging into the Gulf of Khambhat. The stored waters are to be used for irrigation, domestic and industrial water requirements in the Saurashtra region.Kalpasar is considered the evident solution for solving on the short as well as on the long term the threatening drinking and irrigation water problems in Saurashtra.

Once the Gulf is closed, water levels within the reservoir can be controlled while the tidal fluctuation outside the reservoir continues and, hence, can be harnessed for the generation of tidal energy.

In addition to fresh water storage and tidal power generation, Kalpasar also aims at land reclamation, transportation improvements and fisheries development. In accordance with this project, a mega fresh water reservoir will be constructed on the upstream side of the dam by impounding the surplus waters of numerous rivers.

This project, will resolve four vital problems of the State of Gujarat which are water, electrical power, road-rail transport and development of ports. :

Most of the studies have been completed in Kalpsar Yojana, the largest dream project of the Gujarat government since the establishment of the state of Gujarat and now the state government has submitted a detailed project report DPR to the National Institute of Ocean Technology (NIOT) under the Union Ministry of Earth Sciences. DPR), after which the state government intends to start concrete work on the project. Under the proposed mega project, the world's longest dam of 30 km between Bhavnagar and Dahej in the Gulf of Khambhat will be constructed. Behind this entire scheme, Rs. It is estimated to cost over Rs 92,000 crore.

According to Babubhai Navlawala, Advisor to the Chief Minister on Water Resources, "Out of a total of 33 study reports in the Kalpsar project, 28 have been completed and the remaining five are now nearing completion. Will start and work on the project will start after receiving the report. About Rs. According to the Kalpsar division, Rs 150 crore has been spent, though the billions of rupees spent in the name of the project under the Keshubhai Patel regime have not been taken into account.

Asked about the environmental impact of the proposed project, B.N. Navlawala says, "Even though the preliminary report on environmental impacts was prepared in 2005, it is 15 years old and it is of no importance now. The DPR that will be prepared now will know everything when it comes to environmental impact." With the completion of studies in this dream project, which has been running on paper since 1995, it is likely that the state government's budget for 2021-22 will be heavily funded for the project.

Important aspects of the project :

1. A 30 km dam will be built between          Bhavnagar and Dahej in the Gulf of    Khambhat.

2. The maximum height of the dam will be 5 meters.

3. The reservoir will have 77,700 lakh cubic meters of salt water available, out of which 56,000 lakh cubic meters will be provided to farmers for irrigation, 8,000 lakh cubic meters to domestic consumption and 4,700 lakh cubic meters to industries.

4. Irrigation is estimated to reclaim 10 lakh 54 thousand hectares of land.

5. It will require 700 MW of electricity per year to lift water at various locations, for which 13 pumping stations are planned.

Scope and cost Edit :

Abandoned original plan and scope Edit

 "Map of old proposal scope with larger 64 km long Kalpasar dam and tidal power plant, no longer valid."

The original plan envisaged a larger dam along with a tidal power plant.

A state government release said the Rs 55,000 crore (US$11.7 billion) project, to be completed by 2020, will have a vast fresh water reservoir with gross storage of 16,791 million cubic metres of water, 64 km long dam across the Gulf of Khambhat connecting Ghogha in Bhavnagar with Hansot in Bharuch District, reducing the distance between the two by 225 km. It will have tidal power generation house with an installed capacity of 5,880 MW. Another estimate was given by the Government in October 2010 which stated the proposed dam to be built just north of Bhavnagar in the west to Alandar in Dahej on the east. In 2017, the revised project plan reduced the size of lake with only 30 km sea dam instead of original plan of 64 km long dam.

Revised and reduced current scope Edit :

 "Map of the new and revised scope of the proposed project with newly proposed 1.7 km long Bhadbhut barrage, a smaller 30 km long Kalpasar dam, and tidal power plant descoped/dropped."

In 2017 the scope and size of the dam project was reduced, instead of a longer Kalpasar dam across the Gulf of, it will now have a shorter Kalpasar dam across the Gulf of Khambat along with another Bhadbhut barrage on Narmada river and a canal connecting these two.The Tidal power project has been dropped from the scope,[6] which could be taken up as a separate project.

Kalpasar dam: The size of Kalpasar dam has been reduced by shifting the alignment towards north, from Kala Talav village in Bhavnagar district to Aladar village north of Port of Dahej in Bharuch district.

Bhadbhut barrage: Since the alignment of "Kalpasar dam" has been moved further north, the Narmada river will not flow directly into the Kalpasar dam. Instead Narmada's water will be diverted to Kalpasar dam by constructing another 1.7 km long causeway-cum-weir barrage of 600 million cubic meter storage capacity 25 km upstream of Narmada's mouth before it enters the sea near Bhadbhut in Bharuch district.This barrage help prevent saltwater intrusion in Narmada river.

Bhadbhut-Kalpasar canal: To transfer the water of narmada river from "Bhadbhut barrage" to "Kalpasar dam", a new 30 km long canal with one lac cusecs watr carrying capacity will be constructed from "Bhadbhut barrage" to "Kalpasar dam".

Kalpasar irrigation command and channels: Various canals and channels will be built in the Saurashtra to irrigate the farms from "Kalpasar dam".

Issues Edit :

Narmada river one of the 111 waterways in India which facilitate the water transport in India, the currently design of Bhadhut barrage by the Gujarat government would allow only lower capacity class III ships where as the union water transport ministry notification envisages higher capacity class IV ships, consequently union government has asked Gujarat government to upgrade the design of the barrage and shipping locks to facilitate the navigation of larger class IV ships.

There are other ecological and environmental issues to be addressed as part of various feasibility studies being undertaken.

Current status :

Planning stage

1975-2004 Endless wait due to poor planning and slow pace of implementation:

Conceived in 1975, reconnaissanced in 1988–89 and with construction expected to commence in 2012, is a much delayed project.

Feasibility surveys stage

2004 - spending began on feasibility surveys:

but work was delayed amid questions about feasibility.

2014-17 - ongoing surveys: The entire Gulf of Khambhat area was undergoing Bathymatric and Land Survey for determining sea bed levels under the supervision of National Institute of Ocean Technology (NIOT, Chennai).

2019 - 25 surveys out of 43 completed, 8 underway, 10 yet to commence: 

By July 2019, 25 of the 43 feasibility studies for the ecological, environmental, social and financial impact, etc were complete; 8 more were underway; remaining 10 surveys will take 3 to 5 years to complete i.e. by 2021-23. Detailed Project Report (DPR) was intended to be completed by the end of 2018.

Construction stage :

Tenders for the "Bhadhut barrage" will be issued by December 2019 and construction will commence in 2020.The construction of main "Kalpasar dam" Will take 12 to 15 years, once the construction commences only after 2021-23.

Kalpasar Power project :

Information by.shubham savaliya