Landfill Daily Cover Soil Volume
Computes daily cover volume, its share of all airspace consumed.
Example
You enter
- Working face length (ft) 100
- Working face width (ft) 150
- Cover depth (in) 6
- Operating days per year 312
- Committed airspace cost ($/cy) 8
- Annual waste tonnage (tons) 250000
- In-place density (lb/cy) 1200
- Alternative cover annual cost ($) 5000
You get
- Cover soil per day 277.8 cy over 15,000 sq ft
- Cover soil per year 86666.7
- Share of all airspace consumed 17.2% of the site's airspace is dirt
- Annual airspace value of the soil 693333
- Net saving with an alternative cover $688,333 a year
- Recovered (ton) 52000
- Extra site life (yr) 0.208
Checked against published worked examples from: Atmos Technologies (alternative daily cover manufacturer), Learning Center.
Details, formula, and sources
ScopeComputes daily cover volume, its share of all airspace consumed, and what an approved alternative daily cover would save. The worked face buries 86,667 cy of soil a year, 17% of the site's airspace, worth $693,333. The cover is doing a job and an alternative must be approved as meeting it.
Formula or tablecover volume = working face area x cover depth; its share = cover volume / (waste airspace + cover volume); the airspace value = cover volume x the committed cost per cubic yard.
Source and editionGeometry against the site's own airspace value. Six inches of daily cover is the common baseline requirement; the permit and the regulator govern.
Free accessPublic arithmetic; the requirement itself is in the site's permit.
What governsEstimate. AHJ and licensed professional govern.
API field namesface_length_ft, face_width_ft, cover_depth_in, operating_days, airspace_value_per_cy, annual_tons, in_place_density_lb_per_cy, alternative_cover_annual_cost, cover_cy_per_day, cover_cy_per_year, cover_share_pct, cover_airspace_value, net_saving, recovered_tons, extra_site_life_years
- Airspace value the committed cost per cubic yard, before the cost of buying, hauling, and placing the soilsite financial assurance
- Alternative cover its own annual cost is entered and netted; approval is not assumedpermit / regulator