Talk:BEP Shaft Rescue Robot (2022/2023, Q3): Difference between revisions

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* Rescuers had to dig a parallel hole in order to save the boy.
* Rescuers had to dig a parallel hole in order to save the boy.
* Rescue operation was less complicated compared to other situations as the hole was less deep.
* Rescue operation was less complicated compared to other situations as the hole was less deep.
'''''Infant Girl Rescued from DANGEROUS Well Shaft in Thailand''''' https://www.youtube.com/watch?v=EwNHVP34C8U&ab_channel=OnDemandNews
* When digging holes, rescue workers have to be very careful to avoid letting the shaft collapse or letting debris fall in
'''''Rescue 911: Small Boy vs. Deep Hole'''''
https://www.youtube.com/watch?v=THnTA6Of0qM&ab_channel=brokkenp
* The more people get inovlved and look into the hole where the child is, the more dust gets kicked in accidentally and covers the child
* Water can rise at the bottom and make it harder to dig
* It can be very hard to accurately dig the horizontal hole to the child
** If the child's location is measured incorrectly from the ground level, the hole could miss them




Line 66: Line 76:
** Hard rocks can get in the way of the digging and cause delays
** Hard rocks can get in the way of the digging and cause delays


'''''Infant Girl Rescued from DANGEROUS Well Shaft in Thailand''''' https://www.youtube.com/watch?v=EwNHVP34C8U&ab_channel=OnDemandNews
* When digging holes, rescue workers have to be very careful to avoid letting the shaft collapse or letting debris fall in


'''''Rescue 911: Small Boy vs. Deep Hole'''''
{{break}}
https://www.youtube.com/watch?v=THnTA6Of0qM&ab_channel=brokkenp
 
* The more people get inovlved and look into the hole where the child is, the more dust gets kicked in accidentally and covers the child
=== Similarities between researched cases ===
* Water can rise at the bottom and make it harder to dig
 
* It can be very hard to accurately dig the horizontal hole to the child
* Location :  
** If the child's location is measured incorrectly from the ground level, the hole could miss them
** Majority of cases occur in southern Asia (India, Thailand, ....)
* Type of hole:
** Borehole used for construction or to reach a well.
* Method of rescue:
** Supplying oxygen through a long pipe, digging a parallel hole.

Revision as of 16:11, 12 February 2023

Research Section on Topic

Past Accidents

Thai baby who fell down well rescued https://www.bbc.com/news/world-asia-64553751

  • 13m deep shaft and 30cm wide gap
  • An adjacent tunnel had to be dug up in order to save the boy
  • Oxygen was supplied to the tunnel

Boy rescued after 100 hours trapped underground in a well https://www.youtube.com/watch?v=Cwqsa9VkTQg

  • 18m deep well
  • An adjacent tunnel had to be dug up in order to save the boy
  • Oxygen was supplied to the tunnel

Madhya Pradesh: Indian boy trapped in a well https://www.bbc.com/news/world-asia-india-63928144

  • 17m deep well
  • Trapped for 3 days. Again the solution was to dig a parallel hole
  • The rocky layer seemed to pose complications on digging the parallel tunnel

Spain toddler stuck in deep borehole https://www.bbc.com/news/world-europe-46862385

  • In this case the hole is 100m deep and just 25cm wide.
  • This posed the problem that no one could actually fit through the hole, only a camera to locate the boy
  • Again the best solution they used was to dig a parallel hole, which takes very long

Killer borewells: Recent cases of children falling into deadly holes https://timesofindia.indiatimes.com/city/mumbai/killer-borewells-recent-cases-of-children-falling-into-deadly-holes/articleshow/92232243.cms

  • Cases of children falling into borewell holes dating back to 2006 up to 2022
  • Rescue operations could take 9 up to 109 hours, and even then they were not always successful
  • Children were aged 1.5 up to 9 years old
  • Hole depths ranged from 55 to 440 ft (16.764 to 134.112 m)
  • Rescue methods included digging a pit parallel to where the child was trapped using large excavators (up to 40 in one instance).
  • Saving these children could often require a team consisting of the National Disaster Response Force (NDRF) team army, fire brigade, police and health officials.
  • Geological obstacles included huge rocks or slab which would have to be broken up in order to dig a pit down to where the child was
  • Oxygen would be pumped to the holes during rescue missions, but no food could be sent down

Boy, 10, declared dead after falling into 115-feet deep construction site hole in Vietnam https://www.cbsnews.com/news/boy-who-fell-into-115-feet-deep-construction-site-hole-in-vietnam-declared-dead/

  • After 100 soldiers spent almost 100 hours a 10 year old boy could not be saved after being trapped for 5 days
  • The hole was 10 inches (25.4 cm) wide and 115 ft (35.052 m) deep
  • Rescuers attempted to use a 62-foot metal pipe to rescue the boy while oxygen was being pumped into the hole

'Boy falls into hole made for building in Vadodara https://timesofindia.indiatimes.com/city/vadodara/boy-falls-into-hole-made-for-bldg-rescued/articleshow/96657142.cms/

  • 20ft (6m) deep hole
  • Rescuers had to dig a parallel hole in order to save the boy.
  • Rescue operation was less complicated compared to other situations as the hole was less deep.

Infant Girl Rescued from DANGEROUS Well Shaft in Thailand https://www.youtube.com/watch?v=EwNHVP34C8U&ab_channel=OnDemandNews

  • When digging holes, rescue workers have to be very careful to avoid letting the shaft collapse or letting debris fall in

Rescue 911: Small Boy vs. Deep Hole https://www.youtube.com/watch?v=THnTA6Of0qM&ab_channel=brokkenp

  • The more people get inovlved and look into the hole where the child is, the more dust gets kicked in accidentally and covers the child
  • Water can rise at the bottom and make it harder to dig
  • It can be very hard to accurately dig the horizontal hole to the child
    • If the child's location is measured incorrectly from the ground level, the hole could miss them



Problems With Current Rescue Methods

Explained: How borewell rescues are attempted, why they often fail https://indianexpress.com/article/explained/explained-how-borewell-rescues-are-attempted-why-they-often-fail-6094949/#:~:text=Most%20commonly%2C%20a%20parallel%20hole,rescue%20workers%20and%20heavy%20machinery.

  • On average, 70% of rescue operations are unsuccessful
  • Borewells are wells that can be 100-1500 feet deep and fit pipes of 6-12 inches in diameter in order to extract water to irrigate land
  • Key factors that affect the rescue mission's chance of success include:
    • Incident type
    • Location
    • Depth and diameter of borehole
    • Availability of equipment for digging, oxygen, doctors, ambulances and lights
    • Type of soil
  • Problems with digging a parallel hole and diging a horizontal hole to the hole where the child is:
    • Needs large amounts of resources (rescue workers, machines)
    • Too time-consuming
    • Hard rocks can get in the way of the digging and cause delays



Similarities between researched cases

  • Location :
    • Majority of cases occur in southern Asia (India, Thailand, ....)
  • Type of hole:
    • Borehole used for construction or to reach a well.
  • Method of rescue:
    • Supplying oxygen through a long pipe, digging a parallel hole.