Generation | accomplishments

2004 – 2005 COMPLETED PROJECTS

The following are some of the major projects completed in the Generation Division:

Cabras 1&2 Power Plant (2004-2005)

• Completed Turbine/Generator Overhaul on both units
• Performed Boiler Chemical Cleaning (Electro-deionization) on both units
• Performed Boiler Condition Assessment on both units
• Replaced Deaerator Storage Tanks for both units
• Replaced Air Preheater Baskets on both units
• Retubed HP Feedwater Heater (#5) on Unit #1
• Refurbished/Replaced Boiler Safety Valves on both Units
• Replace Turbine Deck Exhaust Fans
• Refurbished Force Draft Fans (Venturi, Motor, Rotor) on both units
• Assessed and Adjusted Boiler Springs & Hangers
• Completed Cabras Unit #2 Turbine Overhaul
• Replaced Boiler Drum level indicators
• Replaced the Start-Up Transformer
• Conducted training for Operations & Maintenance personnel
• Conducted annual performance testing
• Completed boiler section replacements (Arch Tube, Reheat Tubes)
• Installed Turbine Lube Oil Purifier
• Replaced corroded cable trays in basement
• Installed fire retardant on boiler front cables
• Replaced Chemical Feed System
• Installed water sampling system
• Constructed roof over Waste Oil Facility oil water separator
• Replaced one instrument/service Air Compressor

Cabras 3&4 Power Plant (2004-2005)

• Modified Scavenging Air Drain / Mist Catcher
• Initiated Fuel Oil Supply and Return line replacements
• Replaced Traveling Screen Control Panels
• Initiated Piston Clean Ring Modification (extends liner operation cycle)
• Initiated Design for 750KW emergency generator installation (90% Complete)
• Constructed building to house Fuel Oil Day Tank Heater Panels
• Modified Exhaust Gas Receiver piping elbows (minimize leaks)
• Upgraded Turbocharger Silencers with stainless steel wire mesh on Unit #3
• Replace Homogenizer control panel

CT & Diesel Plants (2004 – 2005)

• Completed Major OH for Manenggon Diesel units (5MW x 2 Units)
• Replace Air Compressors at the Manenggon and Tenjo Vista Power Stations
• Stack Replacement at the Talofofo Power Plant
• Completed Dededo CT #1 Major Overhaul
• Completed Repairs & Major Overhaul work on Macheche CT Unit
• Completed Rotable Assembly Exchange/Repair Yigo CT
• Purchased water softeners for Macheche and Yigo CT

Future Planning
GPA is working hard to insure a bright future for the people of Guam in several areas.

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