San Sebastián Raw Water Intake and Pump Station Improvements


This project consisted of the preparation of construction documents for the improvements to the San Sebastián Raw Water Intake and Pump Station. The San Sebastián raw water intake and pump station consists of the following existing structures: concrete dam, raw water intake (equipped with pumps), raw water pump station and force main. The project design included the preparation of construction documents for the following tasks:

(1) Replacement of the three existing pumps with new variable frequency pumps with a capacity of approximately 2,300 gallons per minute, for a total capacity of 4,200 gallons per minute.

(2) Selective demolition of the pumps and associated equipment currently installed in the raw water intake.

(3) Replacement of the motor control center, pumps and diesel storage, (4) Improvements to the facilities mechanical and electrical system, including instrumentation and controls.

(5) Structural improvements to the pump station building.

(6) Installation of gabions along the river banks to stabilize the banks and protect them against corrosion. This project had a construction cost of approximately $2 Million.

  • Project Type Infrastructure(Water/Wastewater)
  • Services Contracted Design, Permitting & Services During Construction
  • Owner Puerto Rico Aqueduct and Sewer Authority
  • Client CDM Smith
  • Contract Period August, 2010 to May, 2011
  • Construction Cost $2,000,000.00
  • Location San Sebastian, PR