Govt creates data hub for planning

It's a data hub of gigantic proportions that can be used to generate solutions for the city in every sphere. Few would imagine the scale of operations of this 50-strong tech company of Delhi government, Geo Spatial Database Limited (GSDL). Over the past few years, it has mapped the city and all its utilities extensively, and urban planning based on this invaluable data can change the face of this city.

Its origins date back to 2007 when Survey of India and Delhi government joined hands for the Delhi State Spatial Data Infrastructure (DSSDI) project.

This was an outcome of the pilot project of the Centre's department of science and technology on 3D GIS in the Chandni Chowk area. It was used in tandem with aerial photography . The objective was to detect illegal constructions. Delhi government got quite enamoured of the idea and felt that a 3D database would be immensely useful for other applications too. It set a deadline of Commonwealth Games 2010 for creating such a database for the en tire city. The job was completed by 2011, covering an area of about 1500 sq km.

The company now operates from sanitised laboratories in Civil Lines, north Delhi, seeking to merge geospatial elements with meta data (based on ground survey) offered by government departments and agencies keen to make a transition to this form of accurate and successful planning.

"By mandating the departments to contribute their geospatial data to the central hub maintained by GSDL and by requiring them to update their data layers, the central hub assumes colossal importance," explains GSDL MD N Vasanthkumar.

Geologists, IT professionals and others mix and match the spatial data with the meta data to enable departments prepare solutions for their planning, ranging from bus routes to drain age, sewerage, and preventive health campaigns.

The digitized data has captured in great detail the city's evolution. Underground assets like drains, sewers, water pipes and power lines and overground entities like buildings, boundaries, power cables, bus and Metro networks, schools, hospitals, markets, community centres and religious institutions have also been captured. The data was compiled to assist in planning for disaster management, traffic management and security of important buildings and other valuable infrastructure.

The database shows 21,98,509 buildings in the Capital. You watch fascinated as the high-definition maps reveal details like the number of floors 59,20,223 units. The meta data has 52 parameters, including categorisation of a building as commercial or residential, number of residents and even the names of the residents. This could be used extensively to crack down on illegal constructions but the corporations have been rather shy in doing this.

Unfortunately, integration and inter-departmental coordination with GSDL on sharing and updation of the meta data is yet to become a reality . Originally, it had been proposed that all departments that choose to purchase the data will create internal systems to use it for real-time planning and share information on their plans via intranet in-house systems. This has not happened.

There have been some individual initiatives though. The irrigation and flood department recently took the data on stormwater drains to share with IIT Delhi which is working on preparing a drainage master plan to give a makeover to the 1977 drainage system.

GSDL has also been asked by the trade and taxes department to place its dealers on a spatial map within the tax districts to enable them to crack down on bogus dealers. Similar banks have been created for DMRC, DTC and dis coms, points out Narendra Singh Kachhotiya, a geospatial executive.

Software developer Pawan Kumar shows off the apps developed in the lab. A caller identification app is being worked upon to ensure quick reaction in an emergency by cops and ambulance services. Another app, created for the education department, enables parents to track schools for their children within a radius of 8km. All information and phone numbers are provided.

The Survey of India and government of Delhi will also be launching a special purpose vehicle, Geospatial Delhi, for keeping records of land holdings ownership, land use etc.

http://timesofindia.indiatimes.com/followceleb.cms?alias=Survey of India,GSDL,Geo Spatial Database Limited,Delhi Government

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