Three Hydropneumatic Pump Stations Improvements:

• Owner: City of Thousand Oaks
• Cost: $800,000

City of Thousand Oaks engaged Perliter & Ingalsbe to address delivery of fire flow to several of its hydropneumatic pressure zones. As part of initial planning/study, Perliter & Ingalsbe recommended to install fire pumps at three hydropneumatic pump station sites. In addition, other mechanical and site improvements were also considered at each site.

The City engaged Perliter & Ingalsbe to perform detail design and provide construction management service for three hydropneumatic pump station sites improvements.

Major Components and Special Features:

• Corrosion analysis of existing hydropneumatic tanks (all were subsequently replaced under this project)
• Addition of new and replacement of existing vertical turbine and split casing pumps and motors
• Three 1,000 gpm diesel driven emergency fire flow pumps with bypass lines
• Electrical and control equipment inventory and analysis
• Tying into and modifying existing electrical and control equipment
• Pump and tank control valves and related piping

• Refurbishment of existing underground vault
• New flow meters
• New emergency power receptacles
• New security gate and general site improvements
• Temporary power and control systems at select locations