Senior Tunnel Construction Engineer

Senior Tunnel Construction Engineer

AECOM
15-18 years
Not Specified

Job Description


Saudi Arabia - Ar Riyad, Jeddah
Job Summary
AECOM's main representative at each site - reporting to the Tunnel Construction Manager and present at the main shift. Attendance at daily review meetings to ensure the Contractor's proposed round excavation and support sequence (RESS) for each work front is in accordance with AECOM design. Review of construction records provided by the Contractor, including blast records, geotechnical face mapping, probe drilling records, ground monitoring, water inflow and grouting information. Review and technical sign-off of RESS sheet allowing excavation to progress. Undertake the review of technical submittals including temporary works designs (e.g. drill and blast, tunnel ventilation, tunnel drainage designs), material acceptance requests (MARs), requests for information (RFIs), non-conformance reports (NCRs), field change design (FCD) proposals, shop drawings and as-built design information. Coordinate responses with design office through Tunnel Construction Design Manager. Review and technical approval of rock slope survey reports and support proposals submitted by the Contractor. Review and technical approval of the Contractor's marking out for slope support treatment prior to implementation. Review and technical approval of the Contractor's proposals for breaking of boulders prior to slope excavation works. Review and technical approval of the Contractor's on-site records for installation of slope support/stabilization measures. Review and technical approval of the Contractor's proposals for grouting of rock dowels and rock bolts. Review and technical approval of the Contractor's proposals for installation of relief drains where required. Review and technical approval of the Contractor's proposals for installation of concrete buttresses on slopes where required. Review and technical approval of the Contractor's tunnel excavation rock mass classification and temporary support proposals. Technical support to Client in direction to the contractors, where necessary, for the installation of additional support measures. Review and technical approval of the Contractor's arrangements for tunnel survey. Review and technical approval of the Contractor's survey and monitoring records. Review and technical approval of the Contractor's proposals for post-excavation grouting. Review and technical approval of the Contractor's proposals for ground improvement grouting in exceptionally poor ground, where required. Where required for technical review and checking, conduct face-mapping to verify rock support and grouting requirements.
Minimum Requirements

  • 15 years experience

  • 5 years experience on similar rail tunnel works.

Preferred Qualifications
TBC
What We Offer
When you join AECOM, you become part of a company that is pioneering the future. Our teams around the world are involved in some of the most cutting-edge and innovative projects and programs of our time, addressing the big challenges of today and shaping the built environment for generations to come. We ensure a workplace that encourages growth, flexibility and creativity, as well as a company culture that champions inclusion, diversity and overall employee well-being through programs supported by company leadership. Our core values define who we are, how we act and what we aspire to, which comes down to not only delivering a better world, but working to 'make amazing happen' in each neighborhood, community and city we touch. As an Equal Opportunity Employer, we believe in each person's potential, and we'll help you reach yours.
Virtual: No
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

Job Details

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