The Youth Citizen Entrepreneurship Competition is an activity within the framework of the UNESCO Global Action Programme (GAP) on Education for Sustainable Development (ESD)

Best Projects 2019 features all the nominated entries submitted ‘Submit your Project’ category. All the entries consist of innovative projects run by existing enterprises in the form of businesses, NGOs or informal programs.

Wall Climbing Device for Inspection of Large Metallic Surfaces

Your title/position Team Member
Type of Enterprise informal program/project
Year the ngo or company was founded None
This bar shows in a scale of 0-10 the Factor of an idea and his owner PROPORTIONAL TO ALL OTHER IDEAS AND OWNERS - 10 is the best, 0 is the worst value. The blue bar changes constantly due to the votes, comments, ratings and activities on this and other ideas.
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Explain your project in details:

The project is to design and develop a wired wall climbing device. The device will use magnets mounted on wheels which will hold it on the metallic surface due to magnetic attraction and the drive will be provided by DC geared motors. The device can be used for inspection of large metallic surfaces for the detection of cracks, corrosion and other problems on the exterior and interior of large metallic tanks as in petrochemical industries. There are various methods used for inspecting problem areas on metallic tanks. Prevalent method of inspection is to construct scaffolding structure and to manually inspect the required area by sending up an operator. This method is time-consuming and also dangerous for the operator. We designed a device that uses DC power supply to power all aspects of the device including motors, controller, and sensors. A tether cable will allow communication with the device and motion control will be achieved by wired RC controller. This allows the operator to control the device and receive real-time data from the device. Live streaming from camera will be sent to the operator console to guide the device, analyze and to record the data. The camera is mounted on Pan Tilt mechanism which allows camera to be swivelled to left-right and up-down allowing it to have a wide area of coverage. The motion of Pan Tilt will be controlled from the operator console. The device is also incorporated with a slider mechanism to have continues inspection and cover more area of inspection. This slider could be used to mount sensors which will be used for inspection. The data available from the device can be stored and analysed to predict catastrophic failures that might lead to capital, human, environmental loss. Thus it will result in cost-effective and reliable inspection device.

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Impact of your enterprise on sustainable development

It is estimated that 20% of storage tanks accidents are caused by cracks or corrosion on the tank structure. The majority of liquids stored in these tanks include crude oil and derived products which are extremely hazardous to the environment. History of these accidents has shown that these accidents lead to loss of hundreds of human life, contamination of water bodies and killing thousands of fish and other wildlife. These liquids are flammable and catch fire when such accidents occur and create air pollution causing a dangerous impact on human health and the environment. Such incidents have highlighted the need for the proper assessment of potential risks and the requirement for suitable methods of mitigation or eradication of such accidents. There are various inspection process available but such storage tank NDT inspection process is very costly, long cycle, and harmful for both environment and human inspectors. Currently, there is no inspection solution allowing for low-cost and 100% surface tank inspection. Thus our project will prove as an inspection tool, which will provide 100% internal and external surface inspection of these large metallic tanks eliminating the need for a human entry in tanks during the inspection and thereby significantly reducing the time and cost of inspection. This device will create a record of the inspection which could be further analyzed to improve the design of the tanks to reduce failures causing such accidents. This project which involves industrial innovation will provide a safe working environment and reduce accidents causing damage to the environment and prove as a tool to fulfill UN Sustainable Development Goals.

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Sustainability and future plans

Our future plan involves further development in the project and developing an industry ready device by studying the first prototype and iterating for the shortcomings of the device. Our goal is to capitalize on this highly innovative robotic wall climbing device that is capable of semi-autonomously inspecting storage steel tanks. We intend to test the prototype in the in-service environment where we could understand its potential. After conducting multiple inspections and developing an industry ready inspection tool we would primarily target Indian petrochemical industries and will further expand in Asian middle-eastern markets. For the initial prototype, we have self-funded this project and we are looking for sponsors from the industry for further development of this project. We are sure that with the success of the initial prototype and looking at millions of dollars of inspection market opening with this highly innovative device companies will sponsor such project. To ensure successful commercialization we have to ensure that the device is standardized and there is some certification developed to ensure that this device is safe to use in such a flammable environment. Standard operational practice to conduct inspection and training to the operators is needed to be developed so that there will be no human errors involved in operating this device. Our further plans would include to finalize the design and develop the product which we could use in industries. After finalizing that we can work on optimizing the software which runs the device and inspection devices. Then we could go for certification and demonstration of the device and advertise it in the market. This is the plan we would follow to make our project to a product which is industry ready.

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Your profile as an entrepreneur

My name is Rajat Ratnakar Gadhave, born in September 1996 in Mumbai, India. I have completed a Diploma followed by a Bachelor Degree in Mechanical Engineering with First Class Distinction from one of the best universities in India. While doing engineering, it has taught me three important things, time management, to question everything and to find a solution to every problem and it has become a habit. I would like to call myself a thinker and learner because I try to explore alternative solutions to my problems. This project was for my Bachelor of Engineering in Mechanical Engineering at Pillai College of Engineering, New Panvel affiliated to the University of Mumbai under the supervision and guidance of Dr. Richa Agrawal. This was a group project completed by me and my team members Viraj Chawan, Vibhav Pradhan and Naeem Bate. We got this idea by observing the renovation work going on in our college which involved workers climbing on scaffoldings and doing their work. We saw this and thought of this highly risky process and when researching about this we came across the inspection process of storage tanks which involved similar scaffoldings and operator performing inspection task by climbing on it. We decided to search more on this topic and design and develop a device which would make this inspection process cost-effective, reliable and involve no risk to human life. My motivation to publish this project at a global platform is to share this highly innovative device and contribute to this society and make the work environment safe. This project has been published in International Journal (IJRASET) and has received hundreds of reads, been appreciated by pundits from engineering field and many have recognized the potential of this project in making the inspection process cost-effective and safe.

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May 21, 2019 17:02

It's an innovative idea rajat. Would love your project to win. It's really innovative and the techniques used are quite impressive. I"'ll definitely vote for you. Do vote for my idea as well "THE PITCHING APP" for now I can't access my url link. Do click on my name view profile,read about my idea drop comments and vote guys thanks alot.

Akash Hadawale

May 21, 2019 15:42

Hi Rajat,,

Interesting and useful.
Just two questions: why did'nt you equip your device with a battery, in order to overcome the problem of the wire (again, large surfaces=long cables); I expect this is not difficult to realize with light batteries, but maybe your engines need a lot of power.
the vibrations of the camera observable in the demonstration could be solved very easily with other mechanical connections..
Anyway, nice work.
Good luck!

May 21, 2019 15:05

@Majdi Suleiman @Abhishek Pandey @Avinaba Bhowmik @Naemi likius

I will definitely work your suggestions and hope this project would be used as an inspection tool in various petrochemical industries.

Thanks for the appreciation and valued feedback.
I would also like to thank all my friends who have voted and supported me by spreading a word about this project.

Thank You

Naemi likius

May 21, 2019 12:47

Hi Rajat

This is a great initiate dear, I will have a great impact in the lives of many people and a source to protect many lives as many people lost their lives by falling off from tall surface. You have my vote here

May 21, 2019 10:01

Its a great idea that's the reason I'm voting. Best of luck

My idea, Shoppers Barrow", was nominated for the Youth Citizen Entrepreneurship Competition in the Best Ideas 2019 category. Please read my idea at and consider supporting my idea with comments and votes!
Thanks in advance

Abhishek Pandey

May 21, 2019 07:27

Truly Innovative, Rajat & Team. It is a great idea and will surely help and impact the society for the greater good. If implemented on a large scale, it can surely help save lots of lives as well as give much more accurate results. Total win-win situation for everyone. Kudos to your efforts.

May 20, 2019 20:35

Your idea is good and it looks it would have a great impact on society.
I would appreciate it if you could vote and comment on my idea as well

and consider supporting my idea with comments and votes!"

Thank you

May 20, 2019 20:00

@Avinaba Bhowmik @Loila Alison Pewu @Lucia Sandram @Lambisia @Blessing Ikiseh @Vibhav Pradhan @Shardul Bhalerao

Thanks for the appreciation and valued feedback.
I would also like to thank all my friends who have voted and supported me by spreading a word about this project.

Thank You

May 20, 2019 19:32

Its a great idea that's the reason I'm voting. Best of luck

My idea, Shoppers Barrow", was nominated for the Youth Citizen Entrepreneurship Competition in the Best Ideas 2019 category. Please read my idea at and consider supporting my idea with comments and votes!
Thanks in advance

May 19, 2019 14:12

Your idea seems great but can you please tell me how it will also impact the majority of youths as it relates to your country's workforce.........How many lives of young persons can your project also transform?

May 19, 2019 11:39

Wooow..simply amazing..big brains ideas.i so love this idea. You will protect thousands of lives. By just looking at your project it's shows how innovative and interigent you are. This idea is perfect and I know you will win the best project award.all the best my friend.

May 19, 2019 11:26

Wow! I love what I see and will definitely vote for you. This idea is very innovative. That you have the machine itself ready is just amazing. You will save architects and engineers from having to go too high for inspection. And some of us afraid of heights can comfortably watch this.. Lol. Expect my vote.

May 19, 2019 11:24

This is a wonderful initiative. Great work you are doing, dear, Rajat. Excellent. Also here is the link to my project

Good luck and all the best; Well done.

Vibhav Pradhan

May 19, 2019 10:41

This device can be effectively used for weekly, monthly inspections including visual inspection, ultrasonic inspection for thickness and corrosion measurements with ease of handling, great reliability, less human intervention and at very low cost.
Great idea, great design, good aesthetics makes this project wonderful.

Shardul Bhalerao

May 18, 2019 20:35

This project is very effective in industrial applications.Considering it's nature it provides a great aid to engineers working on maintenance or quality control of any metal surface.
Also to mention, I have seen this project working in present and the group members have done a pretty good work to make the way here.