Lesson 7: Transfer Stations


Objective: To become familiar with the principals and theory behind the use of transfer stations

Goals:


Read: Text, pp. 82 - 85

Review: MSW On-Line Learning Tool: Transfer Stations (pay particular attention to the example problem)


Introduction

Alternative to direct haul, justified when:

Benefits

Need for a transfer station is indicated by the following

Economics drive the decision making process:

Compare direct haul and transfer operation costs

Economic Considerations:


Transport Equipment

Tractor Trailers

Railcars

Barges


Design Considerations

Types of Transfer Stations

Station Equipment

Site Layout

Location

 

Additional Waste Transport Issues:

Interstate Transport (1990-1991)

Flow Control


Problem Formulation and Solution

Transfer station problems involve determining whether it is cheaper to haul waste to the disposal site with the collection vehicles or with separate larger capacity tractor trailers.

The cost of hauling directly to the disposal site is compared to the cost of onstructing and operating a transfer station as well as hauling the waste with tractor trailers.

The cost equation for either direct haul or transfer operations will plot as a straight line (y=mx+b).

Fixed Costs (b, $/ton)

Variable Costs (mx, $/ton)

Solution


Read: MSW Management: Transfer Trailer Now Leaving Gate 4A: The Transition Transfer Station (Feb. 28, 2003)

Read: MSW Management: Configuring Transfer Stations to Maximize Efficiency (April 30, 2002)

Review: Critical Factors to Consider When Designing a Transfer Station


Page last updated February 20, 2013 by  Dr. McCreanor