. Agri-news. Agriculture. Erosion control blocks receive international exposure (cont'd). The last set of blocks at the culvert outlet were in place four hours after work started. After the control culvert was placed in the ditch, it was covered with clay. A plastic filter cloth was laid over the clay and the blocks were put in place by hand. Each 15 by 15 by three and a half inch block weighs 50 lbs. They link together to form a secure protective surface capable of withstanding high velocity water flows. "Alberta Agriculture staff who placed the blocks were surprised at how easy they wer
. Agri-news. Agriculture. Erosion control blocks receive international exposure (cont'd). The last set of blocks at the culvert outlet were in place four hours after work started. After the control culvert was placed in the ditch, it was covered with clay. A plastic filter cloth was laid over the clay and the blocks were put in place by hand. Each 15 by 15 by three and a half inch block weighs 50 lbs. They link together to form a secure protective surface capable of withstanding high velocity water flows. "Alberta Agriculture staff who placed the blocks were surprised at how easy they were to install," says MacAlpine who led the Alberta Agriculture project work team. "Placing the Mini-Slabs by hand was much more efficient than the traditional method of placing large rocks by backhoe and gravel truck. We had the blocks in place and the site cleaned up in less than six hours," he says. The blocks covered a 1200 area. (Cont'd) Alberta Agriculture, Print Media Branch Phone: (403) 427-2121. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Alberta. Alberta Agriculture. Communications Branch; Alberta. Alberta Agriculture. Print Media Branch; Alberta. Alberta Agriculture, Food and Rural Development. Publishing Branch. [Edmonton] : Communications Branch, Alberta Dept. of Agriculture
Size: 1985px × 1259px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookleafnumber7, booksubjectagriculture, septdec
