Opinion
Solution to water deficit in NWP and NCP
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by BANDULA KENDARAGAMA
Former Section Engineer (Dam), Kothmale Hydro-Power Project and International Dams Consultant, Melbourne, Australia
(Based on an interview with Srilal D. Perera (Construction Project Manager), Melbourne, Australia)
Sri Lanka is now a middle-income country with consistently high economic growth over the recent years. The government’s public investment plans include several development plans and projects for the coming years, to further accelerate economic growth and promote social and human development.
Being a tropical island located close to the equator, Sri Lanka is highly susceptible to adverse effects of climate change. The Global Climate Risk Index (CRI) 2018, which indicates how countries have been affected by the impacts of weather-related loss events (storms, floods, earthquakes, heat waves etc.,) ranks Sri Lanka as the fourth among the most affected countries of the world. This is an alarming situation. Adverse effects of climate change are evident from the severe and long duration droughts as well as severe flooding occurring almost every year in several parts of the country. Water availability is becoming more variable and uncertain, even as demand for bulk water supplies for agriculture, new industries and tourism and clean water for drinking increases. Studies confirm that these impacts are likely to exacerbate, and the wetter areas of the country would eventually become wetter, and the drier areas drier and drier.
The government of Sri Lanka has taken steps to address these challenges with the successful completion and commissioning of Moragahakanda and Kalu Ganga reservoirs, and the ongoing and planned construction of dams and associated feeder canals, hydraulic facilities, Hydro Power enhancements to comply with Paris Convention that His Excellency the President of Sri Lanka has consented under renewable energy promotion in Sri Lanka; as well as, other water resources development investments envisaged under the Public Investment Plan (PIP). The Government is also implementing several other programs and investments to mitigate flooding and flood damages in several river basins which are vulnerable to flooding.
Planning and investments in additional water storages, and transfer infrastructure to transfer water from water surplus river basins of the wet zone to water deficit river basins, will be a major priority to meet the growing demands and challenges of climate change impacts. Additional investments will be required on a priority basis for developing water resources to provide potable water supplies to people and areas currently affected by chronic kidney disease.
These new investments on water resources will demand diligent planning, protection, management and allocation of water for multiple uses and users within river basin context. As the water infrastructure expands through additional infrastructure bringing water to water deficit geographic areas, to new and current groups of farmers, large and small industries, urban and rural drinking water consumers, mechanisms will be required for diligent planning, allocation, and monitoring of bulk water supplies from the major water conveyance systems beyond the mandate and the role played by the existing Water Management Secretariat (WMS) of the Mahaweli Authority of Sri Lanka (MASL).
The Project
With the present climatic uncertainty, North Western Province (NWP) and the North Central Province (NCP) are among the most affected areas without reliable supply of water for irrigation, about 40,000 ha, and ensuring domestic water supply to families in such provinces. Major diversions of this water are supplied through the Polgolla tunnel (875 Million Cubic Meters (MCM) / Year) for both the seasons of Yala and Maha. This volume of diversion is entirely depending on the storage above the Polgolla barrage. At present only the Kotmale reservoir with 174 MCM supports to regulate this water. However, the Polgolla tunnel is functioned only with 60% of its capacity, and the tunnel has additional capacity to divert around 400 MCM / Year, if the upstream storage is available.
Therefore, a proposal for increasing the height of the Kotmale dam to increase the retention capacity by additional 250 MCM would be one of the feasible proposals to solve the water deficits in NWP and NCP. Also, the increased head and volume would boost the hydro-power generation by about 20%, once the supplementary water starts to pass through Kotmale and Ukuwela power stations.
The Kotmale Hydropower Project was one of the first projects taken up under the Accelerated Mahaweli Development Program (AMDP). It was the most upstream among those headworks in the Mahaweli river basin, and exploited the hydropower potential of Kotmale Oya, a major right bank tributary of the Mahaweli Ganga. The Kotmale dam site is at Kadadora, located about 6.6km upstream of the confluence of Kotmale Oya with Mahaweli Ganga, where the river forms a narrow and deep valley with steep banks. The powerhouse is underground and situated in the belly of the Atabage mountains, about 6.4km downstream of the Kotmale Oya – Mahaweli Ganga confluence.
The basic elements of the Kotmale Hydro-Power Project are a concrete face rockfill dam (87m high and 600m long) having the active storage capacity of 174 MCM and a tunnel system leading to 201MW power plants with outfall to the Mahaweli Ganga. The primary function is the generation of electric power. Additional benefits arise from an increase in the amount of irrigation water available at the Polgolla diversion, as well as mitigation of floods in the Gampola area as a result of the regulation of flows in the Kotmale Oya. The Project construction work commenced in 1979 and was completed in 1985, with financial assistance provided by the Government of Sweden.
The dam has been provided with basic facilities for future rising, to three alternative levels 715m, 725m and to 735m above the sea level (capacity of 370 MCM at 728m FSL). The provision for the extension of foundation from the downstream face, and the land around the reservoir rim up to 735 m elevation, have already been acquired since the beginning to enable the future upgrading.
However, the raising of Kotmale dam would be an engineering challenge and need in depth study to check the stability of the Concrete Face Rockfill Dam (CFRD), during and after construction, instrumentation, reliability of foundation and geology, supplementary grout curtain, spill gates and chute with elevated ogee (Flip bucket), added pressure head to tunnels, height of the surge shaft and power station equipment etc., Also, the heightening of the dam shall not affect the ongoing annual supply of water to NCP, as it would generate critical social problems and, therefore, the live construction method statement with the active storage of water available for downstream use would be the most practical approach.
Therefore, a comprehensive feasibility study shall be originated to find a solution for the critical water deficit in NWP and NCP, and for harnessing addition of renewable energy, considering above referred to facts at earliest possible.
The original consultant of this project was Sir William Halcrow & Partners (Halcrow Water) of the United Kingdom (UK); and Skanska (Sweden) with joint collaboration of Central Engineering Consultancy Bureau (CECB) , then local Consultant to the Mahaweli Ministry, had been involved in a preliminary feasibility study, the project design and supervisions during the first construction phase of this development in the year 1979 to 1984 period. Hence, the re-engagement of previously involved qualified consultants would be highly recommended for future studies and development, as well as the previous data, knowhow and experience that retained with them would be essential for accomplishing this challenging task.
In addition, consideration should be given to appointing a Panel of Experts from local & overseas professional bodies, who have extensive knowledge and experience in CFRDs, gates and valves, geology, geotechnical engineering, instrumentation and dam safety.
Consideration should be given to employing a minimum number of expatriate engineers and a maximum number of local engineers.
Recommendations
Following studies are needed to execute to enhance the project more feasible to meet the challenges in climate change, and the supply of more renewable hydro-energy, especially from the power plants newly built in Mahaweli Basin from the Kelani water.
1. Raising Kotmale Dam (15, 25, 30m). Note all lands are already acquired and there is no social impact;
2. Check the possibility of building dams at locations 11, 12, 14 etc., in Master Plan above Polgolla near Ginigathhena (Koladeniya, Carolina, Trapalga, Rosalla, to increase the retention above Polgolla, as the water about 1,000 MCM / Year is spilling down Polgolla during flood;
3. Enhance the capacity of Kandalama-Huruluwewa Canal to carry about 200 MCM / Year, at a rate of 10m3/second;
4. Built a new tunnel from Bowatenna Reservoir to Dambulu Oya where the capacity is 30m3/second. This would enhance the deficit of water in NWP (150 MCM / Year) and the water need in Anuradhapura;
5. Expand the capacity of power generation in Ukuwela Powerhouse adding one unit; and
6. Revisit the canal availability from Kalawewa to Nachhaduwa, Tissawewa and Basawakulana etc. via Yoda Ela.
7. A supplementary study to check the availability of water from Kelani Basin to Mahaweli Basin would further enhance this proposal.
The writer has B.Sc. Eng. (Hons), M.Eng. (Structural Engineering & Construction), MASCE, MIE Aust, CPEng NER, APEC Engineer, IntPE(Aus).
Opinion
Pope decries ‘major crisis’ of Trump’s mass deportation plans, rejects Vance’s theology
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by Christopher White Vatican Correspondent
Pope Francis has written a sweeping letter to the U.S. bishops decrying the “major crisis” triggered by President Donald Trump’s mass deportation plans and explicitly rejecting Vice President JD Vance’s attempts to use Catholic theology to justify the administration’s immigration crackdown.
“The act of deporting people who in many cases have left their own land for reasons of extreme poverty, insecurity, exploitation, persecution or serious deterioration of the environment, damages the dignity of many men and women, and of entire families, and places them in a state of particular vulnerability and defencelessness,” reads the pope’s Feb. 11 letter.
Since taking office on Jan. 20, the Republican president has taken more than 20 executive actions aimed at overhauling the U.S. immigration system, including plans to ratchet up the deportations of undocumented migrants and halt the processing of asylum seekers.
The pope’s letter, published by the Vatican in both English and Spanish, offered his solidarity with U.S. bishops who are engaged in migration advocacy and draws a parallel between Jesus’ own experience as a migrant and the current geopolitical situation.
“Jesus Christ … did not live apart from the difficult experience of being expelled from his own land because of an imminent risk to his life, and from the experience of having to take refuge in a society and a culture foreign to his own,” writes Francis.
While the letter acknowledges the right of every country to enact necessary policies to defend itself and promote public safety, the pope said that all laws must be enacted “in the light of the dignity of the person and his or her fundamental rights, not vice versa.”
The pontiff also goes on to clearly reject efforts to characterise the migrants as criminals, a frequent rhetorical device used by Trump administration officials.
“The rightly formed conscience cannot fail to make a critical judgment and express its disagreement with any measure that tacitly or explicitly identifies the illegal status of some migrants with criminality,” the pope writes.
Soon after Trump took office, Vice President JD Vance — a recent convert to Roman Catholicism — attempted to defend the administration’s migration crackdown by appealing to St. Thomas Aquinas’ concept of ordo amoris.
“Just google ‘ordo amoris,’ ” Vance posted on social media on Jan. 30 in response to criticism he received following a Fox News interview.
During that interview, Vance said: “You love your family, and then you love your neighbour, and then you love your community, and then you love your fellow citizens in your own country. And then after that, you can focus and prioritise the rest of the world.”
While not mentioning Vance directly by name, Francis used his Feb. 11 letter to directly reject that interpretation of Catholic theology.
“The true ordo amoris that must be promoted is that which we discover by meditating constantly on the parable of the ‘Good Samaritan,’ that is, by meditating on the love that builds a fraternity open to all, without exception,” wrote the pope.
Since his election in 2013, Francis has become one of the world’s most vocal champions. His latest letter, however, marks a rare moment when the pontiff has directly waded into a country’s policy debates.
In the letter, however, he states that this is a “decisive moment in history” that requires reaffirming “not only our faith in a God who is always close, incarnate, migrant and refugee, but also the infinite and transcendent dignity of every human person.”
“What is built on the basis of force, and not on the truth about the equal dignity of every human being, begins badly and will end badly,” the pope warned.
In a brief post on social media, the U.S. bishops’ conference shared the pope’s letter with its online followers.
“We are grateful for the support, moral encouragement, and prayers of the Holy Father, to the Bishops in affirmation of their work upholding the God-given dignity of the human person,” read the statement.
(The National Catholic Reporter)
Opinion
Is Sri Lanka’s war on three-wheelers an attack on the poor?
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For decades, three-wheelers—commonly known as tuk-tuks—have been a vital part of Sri Lanka’s transportation system. They provide an affordable and convenient way for people to get around, especially in areas where public transport is unreliable. However, successive governments have repeatedly discouraged their use without offering a viable alternative. While concerns about traffic congestion, safety, and regulations are valid, cracking down on three-wheelers without a proper replacement is unfair to both commuters and drivers.
For millions of Sri Lankans, three-wheelers are not just a convenience but a necessity. They serve as the primary mode of transport for those who cannot afford a private vehicle and as the only reliable last-mile option when buses and trains are not accessible. Senior citizens, people with disabilities, and those carrying groceries or luggage rely on tuk-tuks for their ease and accessibility. Unlike buses, which often require long walks to and from stops, three-wheelers offer door-to-door service, making them indispensable for those with mobility challenges.
In rural areas, where public transport is scarce, three-wheelers are even more critical. Many villages lack frequent bus services, and trains do not serve short-distance travel needs. Tuk-tuks fill this gap, ensuring people can reach markets, hospitals, and workplaces without difficulty. In urban areas, they provide a quick and affordable alternative to taxis and private vehicles, especially for short trips.
Despite their importance, three-wheelers have increasingly come under government scrutiny. Restrictions on new registrations, negative rhetoric about their role in traffic congestion, and limits on their operation in cities suggest that policymakers view them as a problem rather than a necessity. Authorities often cite traffic congestion, safety concerns, and lack of regulation as reasons for discouraging tuk-tuks. While these issues are valid, banning or restricting them without addressing the underlying transport challenges is not the solution.
The biggest flaw in the government’s approach is the absence of a proper alternative. Sri Lanka’s public transport system remains unreliable, overcrowded, and often inaccessible for many. Buses and trains do not provide efficient coverage across all areas, and ride-hailing services like Uber and PickMe, while convenient, are often too expensive for daily use. Without a suitable replacement, discouraging three-wheelers only makes commuting more difficult for those who rely on them the most.
Beyond the inconvenience to passengers, the economic impact of limiting three-wheelers is significant. Thousands of drivers depend on tuk-tuks for their livelihoods, and with rising fuel prices and economic instability, they are already struggling to make ends meet. Further restrictions will push many into financial hardship, increasing unemployment and poverty. For passengers, particularly those from lower-income backgrounds, losing three-wheelers as an option means higher transport costs and fewer choices.
Instead of discouraging tuk-tuks, the government should focus on improving and regulating them. Many countries have successfully integrated three-wheelers into their transport systems through proper policies. Sri Lanka could do the same by enforcing proper licensing and training for drivers, introducing digital fare meters to prevent disputes, ensuring better vehicle maintenance for safety, and designating tuk-tuk lanes in high-traffic areas to reduce congestion. These measures would make three-wheelers safer and more efficient rather than eliminating them without a backup plan.
The government’s push to restrict three-wheelers without providing a suitable alternative is both unfair and impractical. Tuk-tuks remain the only viable transport option for many Sri Lankans, particularly senior citizens, low-income commuters, and those in rural areas. Instead of treating them as a nuisance, authorities should recognise their importance and focus on making them safer and more efficient. Until a proper substitute is in place, discouraging three-wheelers will only create more problems for the very people who need them the most.
P. Uyangoda
Director-Education (retired)
Nedimala
Opinion
Government by the people for the people: Plea from citizenry
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By an Old Connoisseur
The incumbent rulers keep on reminding the people, ad nauseam, that the current administration is a government for the people by the people. They have claimed the current government was born out of the uprising of the people.
All governments in democratic societies are born out of the will of the people. In such a context, all such governments have to work towards the well-being of the people with undiluted commitment. There is no doubt in the minds of even the most discerning citizens of Sri Lanka that all these promulgations are indeed the most noble of objectives and one would justifiably expect such contentions to even warm the cockles of the hearts of all and sundry.
Yet for all this, we do need to remember and firmly reiterate to our politicians that this principle should be the bedrock on which the political governance of any democracy is based. The people of a country should come first and foremost in all considerations of any legally elected democratic government. True enough, we do know for sure that even despite the very loud vocal grandiloquence of all previous governments, and I repeat all previous governments, they did not go even a little distance to hold the welfare of the people to be sacred, and their deeds and interests were completely at loggerheads with such an honourable foundation as well as essential and admirable attitudes. Without any significant exceptions, all previous political systems over the last 77 years of independence of our much-loved Motherland, have gone on record as institutions that put themselves first in all their considerations.
In point of fact, we also have to agree even unequivocally that this noble task cannot be achieved by the politicians alone. Politicians will have to take steps to stimulate, facilitate and unite all sections of society so that our people will put their collective shoulder to the wheel in a concerted initiative to lift up this country from the mire into which it has been pushed by politicians of various hues. Delving deeper into the depths of this contention, the question arises as to what or who are understood as people. In any society when one talks of people, we should focus on all people; the rich and the poor, the able and the disabled, the educated and the not so well educated, the employed and the unemployed, public-sector workers and the private-sector workers, the farmers as well as the white-collar workers, government enterprises as well as community organisations, and the business enterprises; in fact, the whole lot of Homo sapiens in our country. To improve the well-being of people we need the participation and unstinted cooperation of all these groups in our populace. An abiding sense of patriotism in the psyche of all of our people is definitely the need of the hour.
Politicians lay down the policies and the public sector ensures the implementation of these rules and regulations to improve the wellbeing of people. The public sector, including all politicians of different sorts, are servants of the people and are not deities with unlimited power just to take care of themselves and their political institutions as well as their kith and kin and acolytes. To realise these exalted goals we have to ensure that we have certain universal rules including respect for our people at all times, fair distribution of resources in an equitable manner, kindness, empathy and respect for the freedom of others, preservation and conservation of nature and the environment, adherence to the rule of law, unmitigated compliance with basic human rights and dignity, as well as the development of those very fine humane attributes such as beneficence, non-maleficence and altruism.
If we are to develop by transforming society by the people for the people, we will have to internalise and translate these attributes in our behaviour all the time and in all sectors of the community. Political leadership alone cannot do this honourable task. Society has to unite under these values and other attributes to be articulated and facilitated by the leadership. This is what many other progressive countries have attempted, some of them forging ahead with great success. For this to happen the entire society will have to work together over a long time with respect and minimal adversity. The stakeholders for this endeavour would be all individuals of society, Public Service including the political leadership, Private Sector and their leading figures and Community Organisations including their management. Every member of the population of our wonderful country should be invited to put his or her shoulder to the common wheel in a trek towards prosperity to enable everybody to enjoy an era of opulence.
The most admirable theme for the celebrations of our independence on the 4th of February this year was “Let us join the National Renaissance”. It was a clarion call to enable us to rise up like the proverbial phoenix from the ashes towards a magnificent revival. In addition to all that has been written above, the government and its leadership, for their part, have an abiding duty to take all necessary steps to facilitate the revitalisation of patriotism to urge the populace to contribute to the prospect of national resurgence. Towards that end, the general public has to be happy in this thrice blessed land and they need to live in a country that is safe and affluent. The powers that be need to realise most urgently that unless corruption is completely eliminated, the drug lords effectively neutralised, murderers and other law-breakers swiftly brought to book, various Mafia-type impertinent audacious organised collectives such as Rice Millers, Egg Manipulators, Coconut Wheeler-dealers, and Private Transport Syndicates; all of which hold the public to ransom, are ruthlessly tamed, there is no way in which we can rise and march towards any kind of Nationwide Resurgence. Of course, equally importantly, the farmers who provide sustenance to the entire nation should be looked after like royalty. It is also ever so important that vital and purposeful steps are taken to develop the rural impoverished areas and take steps to alleviate the poverty of the downtrodden. If these things are not attended to, at least for a start, the grandiose but implausible and tenuous rhetoric of that call to rally would just be a ‘pus vedilla’, and could even be a virtual non-starter.
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