The Customer
A Central Ontario regional waste authority operating a transfer station that consolidates residential and commercial waste before long-haul transport to a regional landfill. The tipping floor was open to weather, freezing material in winter and creating dust and odour issues year-round.
The Challenge
The transfer station needed an enclosed tipping floor that loaders could work without column conflicts, with enough height for tipping trucks and loader bucket clearance. The structure had to handle a corrosive, dusty, high-moisture interior environment, retain working piles inside the building, and meet Ministry of the Environment review.
The Solution
An 80' × 180' × 28' MegaDome with concrete L-block retaining walls, hot-dip galvanized frame and AR-series lower wall panels. End-wall opening sized for tipping trailer access. Clear-span geometry means loaders work the floor without obstruction.
Why MegaDome Was Selected
MegaDome was selected because the galvanized frame stands up to the corrosive transfer-station environment, the clear-span geometry fits the loader and tipping-truck operations envelope, and the build cycle fit a single-season window without disrupting transfer operations.
Construction Process
Site prep and L-block layout in weeks one and two. L-block walls set and grouted in weeks three and four. Frame erection weeks five through seven. Membrane and end walls weeks eight and nine.
Foundation Construction
Pre-cast concrete L-blocks set on engineered crushed-stone leg, with a thickened concrete strip casting the MegaDome anchor bolts and tying the structure to the L-block wall. Working floor poured monolithic with engineered slope to a sealed pump-out.
Installation
Steel arches raised in three weeks. Membrane tensioned the following week. AR-series lower wall panels installed in the contact zone. End walls framed and clad with the engineered overhead door commissioned on the closing day.
Building Specifications
| Building dimensions | 80' W × 180' L × 28' H |
|---|---|
| Footprint | 14,400 sq ft, clear-span |
| Foundation | L-block retaining wall + thickened anchor strip |
| Frame | Hot-dip galvanized steel |
| Lower wall panels | AR-series abrasion-resistant |
| End wall door | Engineered overhead, tipping-truck access |
Project Results
- Tipping floor enclosed and operational in 9 weeks
- Winter freeze-up of material eliminated
- Dust and odour contained inside the building
- Ministry of the Environment review cleared
- Loader productivity up — clear-span working floor
Customer Benefits
- Year-round tipping floor operation regardless of weather
- Lower dust and odour complaints from neighbouring properties
- Faster loader cycles inside a clear-span building
- Galvanized frame plus AR-series panels handle the environment
- Engineered for future expansion if volume grows
Project Gallery
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