Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Percussion drilling

796 views

Published on

Innovative design solutions for the developing world - A presentation on my work at Developing Technologies developing percussion drilling equipment that can be manufactured locally in rural Sierra Leone.

Published in: Design, Business
  • Login to see the comments

Percussion drilling

  1. 1. INNOVATIVE DESIGN SOLUTIONS FOR THE DEVELOPINGWORLDPERCUSSION DRILLING FOR WATER WELLS
  2. 2. DEVELOPING TECHNOLOGIES“alleviate long-term chronic poverty in developing countriesthrough the design, development and transfer of technologythat is appropriate to the needs of poor communities.”(1) a focus on appropriate technology,(2) projects initiated by communities/agencies,(3) build capacity(4) environmental sustainability
  3. 3. WELL PROVISION: SIERRA LEONERural Water Aid(1) Project initiated by local NGO in 2005(2) Student research project 2005-06 & further UK development(3) 4 month summer placements 2008/9/10(4) Commercial drilling contracts in early 2011
  4. 4. THE NEED: ACCESS TO SAFE WATERReducing deaths from water-borne diseases• 1 Billion lack access to safe water• 10,000 preventable deaths per day• Single greatest barrier to internationaldevelopment• 1 Million wells required to meet MDG by 2015
  5. 5. CURRENT APPROACHESOpportunity for low cost appropriate drill rig© WJ Groundwater Ltd.Rotary Drilling• $150,000 capital cost•> $10,000 per well• 2 drilling operations in SL• Needs trained operators• Difficult to maintain• $24,000 capital cost• Lack of equipment• Difficult to maintainExisting Percussion• $3,500 per well• Takes weeks• Very soil dependent• Difficult to sealHand Digging
  6. 6. THE DESIGN RESPONSEDeveloping appropriate well drilling rigsHand-Portable Vehicle-Portable• $3,200 capital cost• Local materials• Local construction• $7,200 capital cost• Imported from UK• Maintained locally
  7. 7. THE WIDER RESPONSESupporting business(1) Capital funding and training to set up a workshop(2) Business and finance training(3) Marketing and communications support(4) Contracts support and risk mitigation
  8. 8. THANK YOUJames Brown MEng FRSAJames@James-Elliot.co.uk

×