The story up to now: India has nearly 6,000 giant dams and about 80% of them are greater than 25 years outdated and carry security dangers. A brand new Dam Security Act (DSA) was handed in late 2021. On October 4 this yr, a glacial lake outburst flood (GLOF) in North Sikkim’s South Lhonak Lake washed away one of many greatest hydropower tasks in India, the Teesta III dam at Chungthang. Stories have since revealed there have been no early warning techniques, no threat evaluation or preventive measures in place as required beneath the Act.
What are the provisions of the Act?
The Dam Security Act was tabled within the Rajya Sabha in December 2021, as a response to poor surveillance and upkeep inflicting dam failure-related disasters. The Act listed key obligations and mandated that nationwide and State-level our bodies be established for implementation. It stated a Nationwide Committee on Dam Security would oversee dam security insurance policies and laws; a Nationwide Dam Security Authority could be charged with implementation and resolving State-level disputes; the Chairman of the Central Water Fee (CWC) would head dam security protocols on the nationwide stage; a State Committee on Dam Security (SCDS) and State Dam Security Organisation (SDSO) could be arrange. Sikkim shaped an SCDS on August 17 with 9 members and specialists in hydrology and dam design.
What do the States must do?
Provisions require States to categorise dams based mostly on hazard threat, conduct common inspections, create emergency motion plans, institute emergency flood warning techniques, and undertake security opinions and interval threat evaluation research.
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Importantly, States had been requested to report and file incidents of dam failures. Till now, no statutory provision required systemic reporting of failures and no single company was tasked with monitoring this knowledge. The CWC retains a file however the checklist just isn’t up to date usually, Devendra Damle argued in a 2021 working paper for the Nationwide Institute of Public Finance and Coverage.
Is any motion taken for failing to conform?
Failure to adjust to any provision of the Act is punishable with imprisonment and/or fines, and “if such obstruction or refusal to adjust to instructions leads to lack of lives or imminent hazard thereof, [entity] shall be punishable with imprisonment for a time period which can prolong to 2 years.” For instance, in February this yr, the Sikkim Excessive Courtroom ordered the Gati Hydropower Mission firm to pay ₹70 lakh to 2 widowed moms, for non-compliance with the Dam Security Act.
What are the challenges?
Specialists say the Sikkim incident exemplifies blind spots in each laws and implementation. The DSA doesn’t promote risk-based decision-making and fails to incentivise transparency. Himanshu Thakkar, an environmental activist and coordinator of South Asia Community on Dams, Rivers and Individuals, says that the frequency and scale of such disasters reveal a sample of neglect: “It retains occurring usually, folks face disastrous penalties and we name these ‘pure disasters’. However there’s nothing pure about them.”
A sturdy DSA ought to enable totally different stakeholders to entry data simply, however India’s framework falls quick. “Dam security is a public function operate. Every thing about dam security, features of all of the establishments and committees and authorities, their reviews, selections minutes and agendas, every thing needs to be promptly accessible to the general public,” says Mr. Thakkar. “However nothing is within the public area.” He provides that transparency is additional obstructed when nationwide and State our bodies comprise authorities workers and engineers who labored on these tasks, compromising goal choice making and missing “folks with a confirmed observe file of taking unbiased selections.”
How is dam security undertaken?
Dam security is a operate of many components: designing and establishing dams that adhere to security margins, sustaining and working them per tips, recording knowledge in real-time in an accessible format, forecasting hazardous occasions and instituting emergency plans, to call a number of. The Sikkim GLOF reveals poor compliance in any respect ranges, from the dam’s design to the spillway capability (which controls the discharge of water from a reservoir).
Hazard profiling and common evaluation are additionally mandated by the Act. Hazard threat fluctuates on the slightest contact, responding to local weather change, urbanisation, and the best way folks/corporations use water or the place they’re positioned. Periodic opinions are anticipated to carry forth recent inundation maps and new rule curves (which decide the capability of dam reservoirs), all of which contribute in the direction of the protection of the downstream areas. Spillway capability and different metrics needs to be reviewed each 5 years or so, however Mr. Thakkar says periodic opinions are sometimes not carried out or if they’re, their findings will not be not simply accessible within the public area. The Act requires dam builders to conduct complete dam security evaluations, however “there is no such thing as a standardisation of how the failure is analysed and reported,” Mr. Damle acknowledged. The Himachal Pradesh authorities just lately served notices to 21 hydroelectric tasks, discovering them responsible of non-compliance with the DSA in the course of the July-August floods.
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