D&B Contributes to Three Presentations at NYWEA 81st Annual Meeting

D&B staff will be contributing to three presentations at the upcoming NYWEA 81st Annual Meeting. Technical presentations include:

The Last of the North Shore BNR Upgrades: Belgrave, Great Neck and Port Washington
2/2/09, 2:00 pm

Presented by:

• Roger Owens and Joseph H. Marturano, Dvirka and Bartilucci Consulting Engineers
• Frank Bridges, Belgrave Water Pollution Control District
• Chris Murphy, Great Neck Water Pollution Control District

In recent years more secondary treatment plants bordering the Sound have upgraded their treatment plants for nitrogen removal. At activated sludge plants, this is often accomplished by reconfiguring the aeration tanks with anoxic zones without requiring substantial modifications to the plant. The challenge for the North Shore plants, including Belgrave, Great Neck and Port Washington, was in determining how to upgrade existing Trickling Filter plants to achieve the necessary nitrogen removal in a cost-effective manner.

Water Reuse through a Zero Discharge Wastewater Treatment System
2/3/09, 11:00 am

Presented by:

• Henry J. Chlupsa and Robert J DeGiorgio, Dvirka and Bartilucci Consulting Engineers

Dvirka and Bartilucci Consulting Engineers was retained to perform a feasibility study for a self contained wastewater treatment system with zero effluent discharge for a large retail complex in New York State. All wastewater would be recycled, evaporated or stored for waste hauling without discharge, eliminating the need for a SPDES permit.

Watershed Stewardship in Puerto Rico: A Unique Approach
2/4/09, 9:00 am

Presented by:

• Richard Caspe, D&B Environmental Associates
• Andrew Thuman, HydroQual, Inc.

HQ/DB Joint Venture is currently performing the second phase of a five-year, Watershed Stewardship. Working with the four key federal and commonwealth regulatory agencies, and the Puerto Rico Aqueduct and Sewer Authority (PRASA), we have prepared 26 TMDLs. We are now attempting to develop and implement practical, low cost and replicable strategies to accomplish the loadings. The rural and low income nature of many of the communities makes this a very unique effort.