Latest news with #DGPS
Time of India
3 days ago
- Business
- Time of India
DDA to conduct photogrammetry survey using DGPS at Hauz Khas green spaces
New Delhi: Delhi Development Authority plans to conduct a photogrammetry survey using a differential global positioning system (DGPS) to create a three-dimensional map of four green spaces in Hauz Khas in south Delhi. Among them are the district park opposite RK Puram, Rose Garden, Master Plan green area and sports field and the Master Plan green area with the picnic hut. DDA plans to complete the survey, for which it has invited tenders, by 45 days and has sanctioned Rs 14.6 lakh. Photogrammetry is a technique that uses photographs to create three-dimensional models of objects and landscapes. It involves capturing images, often from multiple angles, and then using specialised software to process and analyse them to extract measurements and geometric information. The exercise usually involves aerial photography using drones or aeroplanes, or terrestrial photography from fixed points on the ground. DDA officials hope the mapping will demarcate the boundaries of the parks, land contours, structures and actual areas where development can be planned in the future. "While similar methods were adopted at other places, including the Yamuna floodplain, the survey helps us understand the area in detail, its elevated portions, waterbodies, poles and other structures," said an official. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Gold Is Surging in 2025 — Smart Traders Are Already In IC Markets Learn More Undo "The survey findings simplify the process to carry out development and are also helpful in checking encroachment. " You Can Also Check: Delhi AQI | Weather in Delhi | Bank Holidays in Delhi | Public Holidays in Delhi While GPS and DGPS both use satellite signals for positioning, the latter offers significantly higher accuracy by incorporating a network of ground-based reference stations. GPS typically provides accuracy in a range of metres, while DGPS can achieve centimetre-level accuracy. The agency selected for the work will be responsible for a detailed photogrammetry survey, preparing orthophoto maps and submitting soft copies in a geographic information system. "The agency shall also provide on-site basic training for GIS software," DDA's project document stated. The orthophoto maps are geometrically corrected aerial photographs or satellite images adjusted to remove distortions caused by camera tilt, lens and terrain relief. The orthophoto maps show geographical parameters like longitudes and latitudes in 3D views and all permanent features like structures, bore wells, roads, electric and telephone poles, high tension lines, mast lights, tracks or paths, drains, sewers, trees, etc. Over 16,000 acres of green area in Delhi fall under DDA's purview. This includes 10,400 acres spanning 729 public parks, 21,000 acres of biodiversity parks and 3,500 acres of the Yamuna floodplain, which are at various stages of restoration.
New Indian Express
18-07-2025
- General
- New Indian Express
WRD plans fresh round of evictions along Cooum, Adyar rivers and Buckingham canal
CHENNAI: In line with Madras High Court directions, another round of evictions is likely along the Cooum and Adyar rivers, and the Buckingham canal. This eviction drive will also include families residing along the Cooum who were allotted land under the World Bank-funded MUDP scheme. The Tamil Nadu Urban Habitat Development Board (TNUHDB) had told the court that though allotments were made by the board, sale deeds have not been issued to the beneficiaries as the land under the scheme have not yet been transferred to the board so far. TNUHDB said the scheme area remains with the Public Works Department. The order by Justice GR Swaminathan stated, when the area occupied by the petitioners is a waterbody, they have to vacate it and the only remedy they can seek is alternative accommodation. 'The high court has been constantly directing us to restore Chennai rivers and Buckingham Canal after removing the encroachments. But we are not sure if we will be able to resettle encroachers within the deadline given to us,' a senior WRD official told TNIE. The official said that out of 15,526 families living in 60 habitations along the Cooum river, 14,121 families from 52 habitations have already been relocated till April this year. 'Efforts are on to shift the remaining families,' he said. As for the Adyar river, out of 9,539 identified encroachments, only 4,728 locations have been cleared so far. In another order earlier this month, Justice Swaminathan directed TNUHDB to carry out an enumeration of families at Srinivasapuram in Pattinampakkam and evict them within eight weeks, and provide them alternate housing arrangements. The court called the settlement an 'illegal extension' of TNUHDB habitation in the area constructed between 1970 and 1977 in the Adyar creek and on the coastline. Another official pointed out that a feasibility report costing Rs 3.87 crore has been submitted for the demarcation of the Adyar, Cooum, and Buckingham Canal using Differential Global Positioning System (DGPS), under the Chennai Rivers Restoration Trust (CRRT) fund. 'In addition, CRRT has approved Rs 11.93 crore for boundary demarcation works along the Buckingham Canal, and the work is already underway,' he said. 'We believe once the government releases funds, the remaining work can be taken up quickly,' an official noted. M Janaki, chief engineer of WRD (Chennai region), refused to comment on the issue.
Hans India
14-07-2025
- General
- Hans India
Licensed Surveyors Urged to Embrace Advanced Technology for Accurate Land Mapping: Collector Santosh
Gadwal: District Collector B.M. Santosh emphasized that only when licensed surveyors adopt and implement modern technology in the field can land surveys be carried out with precision. He made these remarks while participating in a training program for licensed surveyors held on Monday at the MPDO office in the district headquarters. Speaking on the occasion, the Collector stated that the state government has introduced the Bhoobharati Act-2025 to resolve land-related issues comprehensively. He mentioned that survey maps will now be a mandatory requirement in processes like registration and mutation, which is why licensed surveyors are being specially trained. He explained that the training program, which began on May 26, is currently in its final phase, focusing on specialized training in Differential Global Positioning System (DGPS) equipment. Given the rapid technological advancements, the use of modern tools like DGPS in land surveying has become essential. This technology enables highly accurate land measurements in less time, helping clearly identify the boundaries and extents of agricultural lands, thereby effectively preventing future land disputes. The Collector stressed the importance of thoroughly understanding the equipment used during the training and noted that true expertise lies in the ability to implement the skills learned in practical fieldwork. Upon completion of the training, those who pass the final assessment will be awarded the Licensed Surveyor Certificate. He urged participants to make the most of this opportunity and become licensed surveyors, highlighting that their appointment not only improves employment opportunities but also contributes significantly to resolving land disputes. The event was attended by Survey, Land and Records Assistant Director Ram Chander, mandal-level surveyors, trainees, and other officials.
Time of India
03-07-2025
- Politics
- Time of India
NMC didn't seek irrigation dept nod for Vivekananda statue at Ambazari, HC told
1 2 Nagpur: The Swami Vivekananda statue at Ambazari Dam was constructed without its prior permission, the irrigation department informed Bombay high court's Nagpur bench in an affidavit filed on Wednesday. The department's affidavit mentioned that the statue lies within the dam's spill (tail) channel, not in the course of the Nag River, and that the Nagpur Municipal Corporation (NMC), as the dam's owner, was required to obtain necessary approvals beforehand. "It is mandatory to ensure safety compliance before any construction in such zones. The NMC was responsible for seeking approvals and adhering to the law," the affidavit by executive engineer Pranjali Tongse stated. The court was hearing a PIL (No 56/2023) filed by Ramgopal Bachuka and others. Counsel for the petitioners Tushar Mandlekar told TOI that the department confirmed the statue was erected without its consent. The affidavit stated that following the September 23, 2023 devastating flash floods, the Central Water and Power Research Station (CWPRS) was asked to assess the impact of the statue's pedestal on hydraulic flow. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Giao dịch vàng CFDs với sàn môi giới tin cậy IC Markets Tìm hiểu thêm Undo The Pune-based body reported that the statue did not cause the said flooding. The division bench of Justices Nitin Sambre and Sachin Deshmukh observed, "The NMC seems more concerned with the safety of the Vivekananda statue than with its statutory responsibility to maintain the dam." The bench adjourned the matter until July 9 after assistant government pleader NS Rao sought time to respond. While distancing itself from interpreting CWPRS's April 9, 2025, findings, the irrigation department stated that it had fully cooperated by sharing technical data and conducted a 16.7km DGPS and LiDAR-based survey from Ambazari dam to the Nag–Pili river confluence, which was verified and submitted in December 2024. "Ambazari dam, constructed over 150 years ago, is classified as a 'small dam' under ISO norms. With a gross storage of 8.35 million cubic metres and a 5.4-metre head, it is designed for a 1-in-100-year flood of 116.10cumecs. However, the dam's structure can withstand up to 320 cumecs, exceeding minimum standards by nearly threefold," Tongse said. The affidavit also stated that structural strengthening of the weir and spillway was completed in March 2023, while priority-2 works on the dam's earthen section were finished in March 2025. Both stages were executed with vetted designs approved by the Central Design Organisation, Nashik. Referring to govt resolutions dated August 2, 2013, and March 8, 2018, the department reaffirmed that all construction activity upstream and downstream of dams is restricted, regardless of the agency or developer involved. Key points in irrigation dept affidavit Location -- Statue built in spill (tail) channel of Ambazari Dam - NMC is the dam's statutory owner and responsible for compliance CWPRS Findings - Pedestal affected hydraulic flow post-2023 flood - Not in Nag River's natural course, didn't cause flooding Court's Observation - NMC more focused on statue than dam safety Dam Details - Over 150 years old - Withstands 320 cumecs vs required 116.10 cumecs - Strengthening works completed by March 2025
The Hindu
26-06-2025
- Business
- The Hindu
Kerala has done pioneering work in taking up digital land survey: Manoj Joshi
Kerala has done pioneering work in taking up digital survey of land and notifying the records, Manoj Joshi, Secretary, Department of Land Resources, Government of India, has said. Speaking at Bhoomi national conclave on digital land survey on Thursday, Mr. Joshi lauded integration of registration system and land records in two villages in the State on a pilot basis to avoid delays. Mr. Joshi pointed out that the Kerala model was unique because the State had completed survey in around 20% of its villages using 100% new technology such as ETS (electronic total station) and DGPS (Differential Global Positioning System) and integrated its registration system with pre-mutation sketches so that maps did not get outdated in future. Yet to begin The survey was under way in some other villages, but there were nearly 1,100 villages where it was yet to begin. Instead of taking up the survey in the remaining villages in phases, Kerala should complete it at one go to prevent political and administrative risks associated with change of government. The Union government would provide funding, Mr. Joshi said. 'We are launching a new programme of taking up 20% of the country's agricultural land for a fresh survey as done through NAKSHA for urban areas,' he said. In India, separate databases were maintained for registration, buildings by local bodies, and land records. However, instead of three systems that communicated using application programming interface, an integrated system like in some European countries was being piloted in Tamil Nadu. The Union government was in talks with Chandigarh too to pilot it in some villages, he said. Kunal Satyarthi, Joint Secretary, Department of Land Resources, Government of India, and Thomas Harring, group executive vice president, Hexagon AB, spoke.
