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Ultimate Green Building:  Lime & Industrial Hemp Pine Ridge Reservation Badlands, South Dakota May 2008
Alex White Plume - Oglala Sioux Tribe   Jeremy Briggs - Rapid City, SD  Lime Technology Limited American Lime Technology U...
Community Center Building Constructed in 2001
Wood siding was removed and re-used as  shuttering forms for the interior Hemcrete walls
A layer of OSB board was under the wood siding.  This was also removed  then re-used for the temporary support of the exte...
OSB board is removed carefully then cleaned  and set aside
Cross-bracing installed to stiffen corners
The first interior shuttering forms installed  ripped from the 5/8” wood siding secured in place with 8” hex-head deck scr...
End of Day One – 13 May 2008
Mixing Begins…
Hemcrete Materials Hemp Shiv Hemp Lime Binder
MIX DESIGN: One Bag of Hemp Shiv Two Bags of Hemp Lime Binder Three Buckets of Water
 
Hemcrete staged on plywood at mixing station Material can rest up to 6hrs before placement
Transfer to wheelbarrows
 
This batch was mixed with too much water and was spread on  plywood and allowed to dry-out in the sun for a couple of hour...
 
Installation of metal lath
This building required the use of metal lath on the exterior  due to the wood framing not being encased in Hemcrete.  The ...
Re-attach OSB board back over metal lath to keep  Hemcrete straight
Hemcrete is staged on floor for easy transfer to walls
Hemcrete is shoveled in by hand in six inch layers
Hemcrete is lightly tamped down with the end of a 2x4 2x4 tamping board
Next layer is added
Ready for next shuttering form to be installed
Alex
Hemcrete shown here behind the metal lath after removing the OSB board  on the exterior - 30 minutes after placement
Finished Hemcrete interior wall after shutter forms are removed  30 minutes after placement
End of Day Two – 14 May 2008 120 cubic feet of Hemcrete placed
 
 
 
 
 
Remove the shuttering  forms as soon as possible to  allow the Hemcrete material  to draw in the CO2 from the  atmosphere ...
INTERIOR: A two coat lime plaster   will be applied directly to this  rough surface texture of the Hemcrete after about on...
EXTERIOR: The exterior Hemcrete walls will receive a two coat hydraulic lime (½”) render after one week drying time. The n...
End of Day Three – 15 May 2008   200 cubic feet of Hemcrete placed
BEFORE
AFTER
 
The Hemcrete Builders
www.americanlimetechnology.com
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Ultimate green building lime & industrial hemp

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Ultimate green building lime & industrial hemp

  1. 1. Ultimate Green Building: Lime & Industrial Hemp Pine Ridge Reservation Badlands, South Dakota May 2008
  2. 2. Alex White Plume - Oglala Sioux Tribe Jeremy Briggs - Rapid City, SD Lime Technology Limited American Lime Technology Ultimate Green Building: Lime & Industrial Hemp In cooperation with:
  3. 3. Community Center Building Constructed in 2001
  4. 4. Wood siding was removed and re-used as shuttering forms for the interior Hemcrete walls
  5. 5. A layer of OSB board was under the wood siding. This was also removed then re-used for the temporary support of the exterior Hemcrete wall
  6. 6. OSB board is removed carefully then cleaned and set aside
  7. 7. Cross-bracing installed to stiffen corners
  8. 8. The first interior shuttering forms installed ripped from the 5/8” wood siding secured in place with 8” hex-head deck screws Hex-head deck screws
  9. 9. End of Day One – 13 May 2008
  10. 10. Mixing Begins…
  11. 11. Hemcrete Materials Hemp Shiv Hemp Lime Binder
  12. 12. MIX DESIGN: One Bag of Hemp Shiv Two Bags of Hemp Lime Binder Three Buckets of Water
  13. 14. Hemcrete staged on plywood at mixing station Material can rest up to 6hrs before placement
  14. 15. Transfer to wheelbarrows
  15. 17. This batch was mixed with too much water and was spread on plywood and allowed to dry-out in the sun for a couple of hours prior to placement
  16. 19. Installation of metal lath
  17. 20. This building required the use of metal lath on the exterior due to the wood framing not being encased in Hemcrete. The interior walls did not require metal lath as the Hemcrete material covers the wood framing by four full inches.
  18. 21. Re-attach OSB board back over metal lath to keep Hemcrete straight
  19. 22. Hemcrete is staged on floor for easy transfer to walls
  20. 23. Hemcrete is shoveled in by hand in six inch layers
  21. 24. Hemcrete is lightly tamped down with the end of a 2x4 2x4 tamping board
  22. 25. Next layer is added
  23. 26. Ready for next shuttering form to be installed
  24. 27. Alex
  25. 28. Hemcrete shown here behind the metal lath after removing the OSB board on the exterior - 30 minutes after placement
  26. 29. Finished Hemcrete interior wall after shutter forms are removed 30 minutes after placement
  27. 30. End of Day Two – 14 May 2008 120 cubic feet of Hemcrete placed
  28. 36. Remove the shuttering forms as soon as possible to allow the Hemcrete material to draw in the CO2 from the atmosphere which starts the carbonation process
  29. 37. INTERIOR: A two coat lime plaster will be applied directly to this rough surface texture of the Hemcrete after about one week
  30. 38. EXTERIOR: The exterior Hemcrete walls will receive a two coat hydraulic lime (½”) render after one week drying time. The new lime render will be finished with a beautiful natural earth limewash
  31. 39. End of Day Three – 15 May 2008 200 cubic feet of Hemcrete placed
  32. 40. BEFORE
  33. 41. AFTER
  34. 43. The Hemcrete Builders
  35. 44. www.americanlimetechnology.com

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