Multi-Discipline Engineering Services
MADERO Engineers & Constructors, LLC provides multidisciplinary and specialized Engineering Services supporting nuclear power plant operation, modifications, upgrades, maintenance, life-extension, and regulatory compliance programs.
MADERO provides professional engineering and technical support throughout the project lifecycle – from field investigations, assessments, and conceptual design through detailed engineering, implementation, testing, commissioning, and final turnover.
MADERO integrates multidisciplinary engineering with specialized capabilities in Fire Protection, Probabilistic Risk Assessment, and Power-Operated Valves to support the safe, reliable, risk-informed, and technically sound operation, modification, maintenance, and life extension of nuclear power plant systems and facilities.
Multi Discipline Engineering Services Capabilities include (but not limited to):
Fire Protection Engineering
Nuclear fire protection program support
Fire hazard analyses and engineering evaluations
Fire detection and suppression system evaluations
Safe-shutdown and post-fire safe-shutdown evaluations
Appendix R compliance evaluations and implementation support
Fire area and fire barrier evaluations
Fire barrier and penetration seal assessments
Cable and raceway fire protection evaluations
Fire protection plant walkdowns and inspections
Fire protection modification engineering
Corrective-action and regulatory compliance support
Probabilistic Risk Assessment (PRA)
PRA engineering and technical support
Internal-events PRA
Internal flooding PRA
Fire PRA
Seismic PRA
External-events risk evaluations
PRA model development, review, and update support
Systems and component reliability evaluations
Risk-informed plant modification evaluations
Risk significance and sensitivity evaluations
PRA applications supporting operations and maintenance
Risk-informed decision-making support
Regulatory and licensing PRA support
Power-Operated Valves (POVs)
Specialized engineering and technical support for Air-Operated Valves (AOVs) and Motor-Operated Valves (MOVs), including (but not limited to):
AOV and MOV program engineering support
Valve design-basis and functional requirement reviews
Valve and actuator application evaluations
Required thrust and torque evaluations
Actuator sizing, capability, and margin evaluations
Pneumatic and motor actuator evaluations
Valve setup, calibration, and adjustment support
Static, dynamic, and diagnostic testing support
Valve performance trending and condition monitoring
Preventive and corrective maintenance engineering support
Valve degradation, troubleshooting, and failure analysis
Replacement, modification, and upgrade evaluations
Periodic verification and performance monitoring
In-service testing and surveillance coordination
Industry operating-experience evaluation
Corrective-action and root-cause evaluation support
PRA and risk-informed valve evaluations
Engineering documentation and configuration-management support
Vendor and specialized testing-equipment coordination
Post Fukushima Engineering & Risk Assessment
MADEROs personnel possess specialized experience in the development and implementation of post-Fukushima nuclear safety and risk-reduction initiatives, including Seismic Probabilistic Risk Assessment (SPRA), Expedited Seismic Evaluation Process (ESEP), seismic and flooding evaluations, and engineering of flooding mitigation modifications. Capabilities include risk-informed engineering evaluations, vulnerability assessments, development of mitigation strategies, plant modification engineering, and implementation support to strengthen nuclear plant resilience against seismic, flooding, and other external hazards.
