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Design of Sanitary Landfill Site

By: Haseeb Jamal / On: Jul 09, 2017 / Design of, Factors Affecting
Sanitary Landfill Site
 
 

Site Preparations:

The following steps should be taken that are necessary to be taken for detail design of proposed landfill site & development of treatment process concerning to site preparation:

  • Topographic survey of site
  • Detail leveling of site
  • Contour plan
  • Cutting of 150 mm top soil of whole area and saving it for earth cover over the solid waste.
  • Preparing site for proper drainage of rain water by cutting of high level ground and giving it a down slope 1:400. Soil obtained from this cutting is used in providing the embankment of fencing of area
  • Construction of road of greater width, to facilitate the trucks approaching to developmental site
  • Providing infrastructure with all accessories at site to facilitate the workers.

Also See: Types of Medical Waste

Parameters Adopted For Design:

Following parameters are adequately considered in design of sanitary landfill site:

  1. All the calculations are based upon the population of city
  2. It is considered that 30% of waste generated is land filled, 60% is composted, while the remaining 10% is recycled.
  3. Waste will be compacted in four layers one below the ground level and three above ground level. Depth of each layer will be 2 m.
  4. Excavated soil will be used as cover material.
  5. Cover for intermediate layers will be 0.15 m while final layer will be covered by 0.6 m (2 ft) of cover material.
  6. Excavation for one year will be made in advance.
  7. A bond will be provided in each layer after one year.
  8. Waste will be compacted to density of 1000-1300 kg/m3.
  9. Embankments will be provided at periphery high enough to enclose the site with the fencing mounted on top.
 
Let us know in the comments what you think about the concepts in this article!

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