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By Neal Bolton Among the many things landfill managers do, managing airspace is a top priority—after all, it is a landfill’s primary resource. To do it well, this singular task requires expertise in such different disciplines as surveying, finance, civil engineering, regulatory compliance, machine operation, recycling, and an understanding of the biological, chemical, and mechanical processes of decomposition. And yet no manager—regardless of his or her talent—can do all of these things without help. So...... continue reading
From: MSW Management Topics: Airspace, Compaction, Management
Written by Mark W. Cadwallader Alternative Daily Cover materials (ADCs) and earthen daily covers have different capabilities in this regard. Degradable plastic landfill cover, an ADC classified by ASTM D6523 as a “Non-Reusable Geosynthetic,” has been found to provide an effective continuous water runoff barrier, a property that also extends to air pollution and odor control. This study tests and compares the fluid barrier performance of daily cover materials. It reports the results of several simul...... continue reading
From: MSW Management Topics: Airspace, Compaction, Landfill
Written by Neal Bolton All landfills are similar; but then again, they aren’t. Some landfills are simply more efficient and more competitive than others. One important characteristic of a competitive landfill is the ability to use airspace effectively—important because it results in reduced operating costs, deferred capital costs, and a more competitive bottom line. Sure, there are variations in wastestream, site conditions, local weather patterns, and other important criteria, but after filtering throu...... continue reading
From: MSW Management Topics: Airspace, Landfill, Technology
Written by Neal Bolton It’s funny, you know, how much emphasis we put in to tracking our landfill’s airspace consumption rate—but how little understanding we have of the basic components that control it. When it comes to the technical side of the equation, we have surveyors, engineers, and financial folks who follow proven, accepted procedures for designing landfills, measuring airspace, and managing money. We come up with detailed reports on in-place density, effective density, airspace utilizatio...... continue reading
From: MSW Management Topics: Airspace, Compaction, Landfill
Written by Marc Rogoff, David Thompson, and Ed Hilton To improve operations and maintain the current strong position as a cost effective waste management option, many landfill operators across North America are investigating and implementing a variety of different measures to conserve airspace and extend landfill life. Daily cover has come under scrutiny by landfill operators as a critical operational criteria that has a significant impact on the life of the landfill. Compounding the problem in som...... continue reading
From: MSW Management Topics: Airspace, Landfill, Legal-Regulatory
Written by Daniel P. Duffy Landfills are a unique business in that they require exceptionally high up front capital costs to being operations. These costs include site hydrogeological investigations, engineering design and permitting, installation of support facilities such as office buildings and truck scales, construction of the liner and leachate management systems, and (later) the construction of the final cap and cover encapsulating the disposed waste. However, once its capital infrastructure is in...... continue reading
From: MSW Management Topics: Airspace, Equipment, Landfill
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