NEW LIFE TRANSFER STATION

摘要

This case study describes the process utilized in carrying out the evaluation, design, and rehabilitation of the Metro Waste Authority's (AIWA) Metro Transfer Station (MTS). The MTS facility was built in 1976 on a 4.25-acre site and utilized stationary compactors andpushpits. Since its construction, waste deliveries have grown from approximately 200/250 tons per day (TPD) to its current throughput level of 500/600+ TPD. During this same timeframe, the facility deteriorated and needed significant structural repairs to remain functional. The study phase concluded that long-term transfer station operation could be preserved by rehab, repair, modifications, and improvements to the existing transfer station. These improvements added storage capacity, increased waste receiving and throughput capacity, improved safety for users and operations personnel, and improved efficiency. The planning phase was used to carefully evaluate and select features and to refine costs prior to initiating design. Critical path scheduling and partnering with local contractors were used to maintain the shortest possible design, permitting, and construction shutdown schedule and to evaluate cost-effective construction alternatives. Traditional design approaches were coupled with limited design/build procurement strategies to implement added facility improvement. Unknown and unforeseen site conditions were addressed quickly based on teamwork of the engineer, contractor, and MWA. The MTS facility improvements and technology changes have resulted in capacity increase, operational efficiency, and safety for a site that plays a key role in MWA 's overall waste management strategy.