Key Data:
Population served
446,000 full-time residents plus 1.3 million working in the area
Current capacity
1.2 million m³/d
Final capacity
1.8 million m³/d
Current biochemical oxygen demand (BOD) removal
60%
Treatment area expansion
From 16 to 24
Control building floorspace
3,600m²
Pipe diameter range
7.6mm to 2,400mm
Electrical load upgrade
Increase load (from 7.5MVA to 50MVA) and distribution voltage (from 4.16kV to 13.8kV)
Plant expansion cost
$493 million
Overall project cost
$2.2 billion
Volume
11.3 million liters (each)
Project Timeline:
Groundbreaking ceremony
20 June 2000
Draft EIS public meeting
9 April 2003
Plant expansion work began
August 2003
North battery excavation began
December 2003
Plant construction completion
January 2008
Key Players:
Client
New York City Department of Environmental Protection
Plant expansion contractor
Joint venture of Skanska USA Civil - Slattery Skanska, Gottlieb Skanska and Underpinning & Foundation Skanska - (45%), Picone/McCullagh JV (30%) and Perini Corp (25%)
Project planning/design
Hazen and Sawyer; Greeley and Hansen; Malcolm Pirnie Inc
Architects (disinfection and admin buildings)
Polshek Partnership
Environmental impact studies
AKRF
Aeration equipment
Sanitaire
Centrifuges
Bird Machine Company