
Landfills · Sample report
How many years of airspace do you really have left?
Send us last year's and this year's surfaces. We'll send back the airspace check.
“four years that's the number that we have for remaining airspace if nothing else changes”
“the turnaround time on that would be you know typically three weeks”
Illustrative image
01The problem
Airspace is the product. You have to turn cubic yards into years of life, and the yearly survey is slow. Capacity can vanish fast: Butte County lost almost two years of airspace to Camp Fire debris, while Miramar added 45% capacity with a compaction change.
02What you get
- 01The sample Annual Landfill Capacity Report (draft), so you can see the format.
- 02The landfill airspace and life tool, on 3D LiDAR.
- 03A free one-page airspace check from two surfaces you already have (this year's and last year's topo, plus the final-grade surface). We return airspace used, airspace left and a rough years-of-life number.
03How close the tool gets
On the test site, airspace used came within 0.08% of the known answer and remaining airspace within 0.05%. Vertical accuracy was NVA95 3.3 cm on 12 checkpoints, which is below the ASPRS recommended count, so treat it as indicative.
Checked on test sites where the true answer was known. Not a promise for your site.
04When you need more
Annual airspace survey and draft capacity report: airspace used, remaining to final grade, compaction in lb/CY, fill rate and years left, with a sealed version through a PLS/PE partner. Optional 3D client viewer for the site.
- The report layout is modeled on typical state annual capacity content, not a copy of any agency form. Confirm the required items against your permit.
Get it
The Annual Landfill Capacity Report (draft)
Tell us where to send it. The link opens on the next page and arrives by email too. Ask for the free check at the same time and we'll reply to scope it.
Sample site (synthetic data). Fictitious site and coordinates.
Checked on test sites where the true answer was known. Not a promise for your site.
Prepared by Twinn Digital, for review and seal by a licensed PLS/PE where required.
Federal or other restricted project requirements? Compliant LiDAR is available on request. Tell us how the project is funded.