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Rainwater harvesting can revolutionises access to clean water in Sri Lanka – LRWHF
If a family with four members switch to rainwater harvesting each family members will have access to about 130 litres of water a day, and the water will be free following the initial investment to establish a rainwater harvesting system,
Tanuja Ariyananda of the Lanka Rain Water Harvesting Forum (LRWHF) said during a recent seminar organised by the Institution of Engineers Sri Lanka (IESL).About 40 percent of Sri Lankans still depend on wells, springs and other natural sources to meet the daily water requirement, she said.Given climate change these individuals may face problems accessing quality water in the future, she said.
“There has been a great interest in this system for the past 30 years. Now around the world there are about 160 million people who benefit from this system. They use this for domestic consumption,” she said.
Ariyananda said rainwater harvesting is important to Sri Lanka because water stress is growing due to human activity, urban development, pollution, etc. Droughts and floods have both become more frequent and both affect access to clean water, she said.
“Sri Lankans in many parts of the country can benefit from rainwater harvesting. This can benefit people in arid and semi-arid areas as well as those living in high elevation. It will also help people who use ground water of poor quality. We must not forget that some researchers link arsenic and fluoride in ground water to CKDu,” she said.
Most Sri Lankans are now crippled with high cost of living and rainwater harvesting saves money by reducing the water bill by up to 60 percent. It can also save the electricity bill by reducing the need to operate water motors, etc., she said.
Ariyananda said 60 percent of the rain that falls in the wet zone of the country is wasted as run off. The number is 40 percent in the dry zone, she said.She added that Sri Lanka has about 50,000 rainwater harvesting systems installed.
Ariyananda said a resident of Colombo with a roofing area of 100 square metres can collect about 192,000 litres of rainwater in a year. The number if 147,200 litres of rainwater for Kandy, 102,400 litres of rainwater in Anuradhapura, 83,900 litres of rainwater in Hambantota, 98,400 litres of rainwater in Jaffna and 300,000 litres of rainwater in Ratnapura, she said.
“If we take the case of Colombo and if we assume there are four people in the family, we can collect about 130 litres of water per person per day. This probably exceeds the daily requirement of a person,” she said.
Ariyananda said there are about 340 schools in Colombo and that the average roof area of a school is 1,000 square metres. The annual rainwater that can be collected by the Colombo schools is 548,800 cubic metres. If we calculate the value of water at 60 rupees a cubic meter, it comes to 32,928,000 rupees,” he said.
She added that some Sri Lankans are concerned about the quality of rainwater. A WHO study in 2017 found that the quality of harvested rainwater is second only to piped water. The quality of harvested rainwater is better than water from bore holes, protected springs and dug wells, according to the WHO research.
Ariyananda said a private higher education institution in Malambe recently started harvesting rainwater from a roof area of 5,525 square meters and that the collected water was adequate to meet 75 percent of the total water demand of the university.
“Imagine the savings this establishment made,” she said.
She said that there is a high initial cost to set up a rainwater harvesting system. The initial cost may be daunting, especially if someone is from a poor community.
“However, the state spends about 1.5 million rupees to give a water connection. But we can build a rainwater harvesting system for Rs 200,000 rupees. Then the household gets free water afterwards. The state can save money by giving rainwater harvesting systems to people,” she said.
News
‘Vision’ Programme Marks Two Years
Marking the completion of two years of the ‘Vision’ Programme, students from Pinnawala Central College and Matale Siri Seevali College were given an opportunity on Thursday (24) to visit the Presidential Secretariat.
The ‘Vision’ Programme was launched for schoolchildren jointly by the Presidential Secretariat, the Ministry of Education and the Department of Communication of the Parliament of Sri Lanka.
Following a visit to the former Parliament building at the Presidential Secretariat, the students were also briefed on the history of Parliament.
The role of the President’s Fund and its importance to schoolchildren were explained by Senior Additional Secretary to the President Roshan Gamage.
The ‘Vision’ commemorative book, featuring the two-year journey of the ‘Vision’ Programme and its special activities, was also presented to the participating schools.
As part of the programme, valuable plants were also presented to the schools as a symbolic gesture underscoring the importance of environmental conservation.
Director General of Public Relations Dharmasiri Gamage, the Director and Assistant Director of the Tri-Services Security Coordination Unit, the principals and teaching staff of Pinnawala Central College and Matale Siri Seevali College, and students were among those present on the occasion.
President’s Media Division (PMD)
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Sajith vows to scrap 22A under future govt.
Opposition and SJB Leader Sajith Premadasa yesterday vowed that an SJB government would repeal the 22nd Amendment (22A) to the Constitution.Premadasa made the pledge while addressing thousands of SJB supporters who gathered near Parliament to protest against 22A.
Addressing the rally at Polduwa Junction, Battaramulla, Premadasa said the proposed constitutional amendment would undermine democracy and judicial independence and enable the concentration of political power in the Executive.
“Even if they pass it, under an SJB government we will scrap it,” Premadasa told the gathering, claiming that 22A was aimed at paving the way for a one-party state and placing the State under the control of a single political party.
Braving the rain, Premadasa said they had gathered there peacefully and had no intention of resorting to violence.
“We have gathered here to protect democracy,” he said, challenging the government to hold Provincial Council elections if it was confident of facing the people.
Premadasa said the SJB was prepared to work with any democratic and clean political force committed to the country’s progress and public welfare, amid ongoing discussions on cooperation among Opposition parties, including the United National Party.
Premadasa also accused groups aligned with the government of attempting to discourage people from attending the protest through statements and other measures.
SJB General Secretary Ranjith Madduma Bandara said the protest had been organised against the proposed amendment, which the party had opposed on the grounds that it could pave the way for authoritarianism.
The demonstration began around 9 a.m. at Polduwa Junction and coincided with Parliament taking up the proposed 22nd Amendment for debate. Proceedings on the Bill are scheduled to continue today (25).
The Supreme Court has determined that the proposed amendment does not require approval at a referendum and could be passed with a special majority in Parliament.
Meanwhile, traffic congestion was reported on roads surrounding Parliament and Polduwa Junction following the demonstration.
Security was also tightened in and around the Parliamentary complex, with a heavy police presence observed at Polduwa Junction and near the main entrance to Parliament.
News
Two retired female Navy officers remanded over disappearance of two women during war
Two retired female Navy petty officers were ordered to be remanded until October 5 over their alleged involvement in the abduction and disappearance of two women in Trincomalee during the war.
Trincomalee Chief Magistrate M.S.M. Samsudeen yesterday ordered that the two suspects be remanded and directed that they be produced for an identification parade on October 5.
The suspects, residents of Chilaw and Haputale, were arrested after appearing before the CID in connection with another court case. They were subsequently produced before the Trincomalee Magistrate’s Court.
The court was informed that the investigation concerned the alleged abduction of Sasikumar Thenmoli and Mary Delsia, residents of Paalaiyootru, Trincomalee, on or around May 13, 2008.
The CID told court that information uncovered during its investigations indicated that the two women had allegedly been detained at an underground location known as the “Gun Site” at the Trincomalee Naval Base while the two suspects were serving in the Navy. The women were subsequently reported missing.
Further investigations into the alleged abduction and disappearance of the two women are continuing.
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