BENJAMIN BACALSO

• Operate and maintain large-scale wastewater treatment plant mechanical systems, including influent and effluent pumping stations, screening systems, aeration equipment, filtration units, and sludge handling facilities.
• Plan and execute preventive and corrective maintenance programs for critical mechanical assets, improving equipment availability and reducing unplanned shutdowns.
• Conduct routine inspections, condition monitoring, fault diagnosis, and root cause analysis for mechanical failures.
• Supervise mechanical installation, alignment, testing, and commissioning during plant rehabilitation,
upgrades, and expansion projects.
• Coordinate rehabilitation works for aging mechanical assets to extend equipment lifecycle and improve plant performance.
• Prepare detailed technical reports, defect lists, maintenance records, and commissioning documentation.
• Maintain accurate asset records, work orders, and spare parts inventory within maintenance systems.
• Work closely with electrical, instrumentation, operations, and contractor teams to resolve complex system- wide issues.
• Enforce strict adherence to PTW, LOTO, safety, and environmental compliance requirement.

• Operated and maintained potable water pumping stations, transmission pipelines, valves, and
storage tanks.
• Executed preventive and corrective maintenance for pumps, motors, valves, and associated
mechanical equipment.
• Conducted inspections to identify leaks, corrosion, vibration issues, and mechanical failures.
• Supported rehabilitation and replacement projects for pipelines and pumping station equipment.
• Coordinated system shutdowns, emergency repairs, and reinstatement works with operations teams.
• Prepared inspection reports, maintenance logs, and technical recommendations for system
improvements.
• Ensured full compliance with safety standards and potable water quality regulations.

• Conducted site inspections to ensure mechanical works complied with approved drawings,
specifications, and standards.
• Implemented Inspection & Test Plans (ITPs) and monitored mechanical installation activities.
• Verified materials and equipment prior to testing and commissioning.
• Identified non-conformities, issued NCRs, and ensured corrective actions were closed.
• Coordinated with engineers, supervisors, and consultants to resolve quality issues.
• Prepared inspection reports, punch lists, and quality documentation for project handover.