Camden County Municipal Utilities Authority, Combined Heat and Power Facility

Posted on July 29, 2015

Client: Camden County Municipal Utilities Authority
Location: Camden, New Jersey
Project Type: Design and Coordination with System Supplier for Anaerobic Digestion Combined Heat and Power Facility
Project Cost: $30,000,000

Major Components

  • Design and Procurement of Anaerobic Digestion and Combined Heat and Power Facility
  • Construction Phase Services

Project Description

CCMUAD&B has been providing general facility engineering services to the CCMUA, through its subsidiary D&B/Guarino, since 1996. We have provided design, construction management and operations assistance services for many of the systems and operations at the Authority’s wastewater treatment facility (WWTF). In 2014, D&B/Guarino was assigned to assist in the development of an anaerobic digestion/combined heat and power (AD/CHP) project for the plant’s biosolids and fats, oil and grease (FOG). The AD/CHP, when complete, will convert approximately 44 dry tons per day of FOG and biosolids to biogas which will produce up to 4.0 megawatts of electricity for use in operating the WWTF.

The CCMUA’s original intent was to enter into a public-private partnership (P3) where a private technology supplier would design, supply equipment, install and operate the AD/CHP system. A request for proposals (RFP) for competitive P3 proposals was issued by CCMUA. Upon review of proposals, the CCMUA determined that the total cost of the complete P3 approach was too great; but that by utilizing the CCMUA’s access to tax exempt debt, its own operations staff and D&B design services, the project cost could be lowered substantially. In addition to the use of a NJ DEP EIT low interest loan for financing, CCMUA applied for New Jersey Energy Resilience Bank (ERB) grant to further reduce the cost of the project. In addition, cost reductions will be obtained by limiting the AD/CHP vendor’s design role to the equipment which they will supply. Anaergia was selected to provide their proprietary anaerobic digestion technology. D&B will provide balance-of-plant design, including the repurposing of existing WWTF systems, and assembling the overall design and specification package. The bid solicitations for construction of the AD/CHP system will be issued by CCMUA. The AD/CHP vendor (Anaergia) will supply their equipment to the general contractor which receives the award. D&B will provide construction management services for the installation and testing of the system. CCMUA staff will operate the system, except the CHP component, which will be operated by the firm that currently provides privatized operation of the CCMUA’s existing biosolids drying system (Synagro). That firm will guarantee the power output of the system.

The total project construction costs are estimated at $30 million. Annual operations and maintenance costs, including debt service are estimated at 3.5 million.

Construction is expected to begin in the second quarter of 2016, with completion in the last quarter of 2017.

D&B Project Responsibilities

Balance-of-plant design, including the repurposing of existing WWTF systems, and assembling the overall design and specification package

Construction management services for the installation and testing of the system

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