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North Coast Water Transmission and

Water Treatment Plant Capacity

380,000m³/day

Raw Water Storage Reservoir

1.14 million cubic metres

Main Storage Tank Capacity

2 x 40,000m³

Treatment Elements

8 up-flow clarifiers, 16 rapid gravity filters

Filter Media

Anthracite and sand

Raw Water Supply Main

7km, 1.8m diameter

Finished Water Transmission Main

57km, 1.8m diameter

Additional Storage

15 pre-stressed concrete storage tanks, capacity ranging from 4,000m³ to 20,000m³

Population Served

1.6 million

Project Cost

$345m

O&M Contract Annual Value

$12.6m (for 5 years)

Owner

Puerto Rico Aqueduct and Sewer Authority (PRASA)

Project Planning Team

VHL / Malcolm Pirnie

Financing

Puerto Rico Infrastructure Finance Authority (AFI)

Lead Contractors

Thames-Dick Superaqueduct Partners (Dick Corporation / Thames Water JVC) and Diez, Silva and Associates Engineering (QDSA)

Pipe Fabrication Subcontractors

Atlantic Pipe Corp

Operation and Management

Thames-Dick

Distribution

Puerto Rico Water Co

Contract Signed

January 1996

Construction Commenced

September 1996

Transmission Project Commenced

1998

Superaqueduct Completed

2000

Initial Interconnections Completed

1999 / 2000

Sixth Interconnection Built

2003

Construction Completed

April 2000

Formal Inauguration

6 September 2000

Operation and Management Contract Commenced

September 2000

O&M Contract Concludes

September 2005, with option to renew
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