Abner Silva Email & Phone Number

Omaha, NE, US

Omaha, NE, US

The Metro system has 45 outdoor rail stations constructed with concrete platforms over four decades ago. Over the years, many of the platforms have begun to deteriorate due to routine wear and tear combined with exposure to weather and de-icing agents. The Station Rehabilitation Program includes the repair and reconstruction of over 20 station platforms in.

Omaha, NE, US

Responsible for installation and welding together 40ft long x 16ft diameter steel interliner pipe.Responsible for operation, strip and get tunnel forms ready for 150ft concrete daily pour. Examine/inspect field conditions and troubleshoot problems, correct inaccuracies, and implement cost saving measures.

Omaha, NE, US

Involved in different activities in this project using a Robbins hard rock shield 21'-6" diameter TBM, covering shift engineers and superintendents as needed for the operation of the TBM. I also worked as a planning engineer for the tunnel and shaft demob, planning high voltage cable removal, utility pipe removal, ventline removal, tunnel clean up, leak.

• Technical assistance for two EPB/TBM(S-948/949) machines of 8.5m diameter for high speed Mexico - Toluca train.
• Support client that all key parameters and operations conformed to standards and requirements of tunnel consultants and project design.
• Dealing with and resolving on a daily basis with the team, issues involving interactions between the tunneling machines and constantly varying ground conditions.
• Record amounts of foams and additives injected into the face and advise accordingly to ground condition.
• Assess if muck was properly conditioned.

Salvador, BA, BR

• As a tunnel shift engineer I was part of the team during assembly, operation and maintenance on open and closed mode TBM. A Herrenknecht EPB(S-769) machine of 11,5m diameter was used to excavate a tunnel section of.
• Fully support and manage TBM shifts to achieve the target.
• Ensure that all key parameters and operations conformed to standards and requirements of tunnel consultants and project design.
• Coordinate with client, consultants and sub-contractors to resolve site issues.
• Plan all hyperbaric interventions to check soil and cutter tools conditions.
• Follow up preventive maintenance(daily, weekly & annual), oil samples analyzing and report results.

Salvador, BA, BR

Responsible for the mechanical assembly of the equipment, including cranes, hydraulic hammers and concrete mixing plant, follow up scheduled equipment needed for production, control and optimize maintenance of our own fleet and develop indicators to manage the availability and efficiency of all equipment. I was also responsible for production of the.

Pittsburgh, PA, US

Internship that aimed to improve and monitor the equipment fleet reliability by using fault tree analysis and to develop technical and management skills.

SE

Work & Travel program.

Postgraduate Project Management, Peace Studies And Conflict Resolution

Bachelor'S Degree, Mechanical Engineering