September/October 2022 - 21

Trevi held exhaustive training courses for 155 Iraqi
engineers, technicians and operators on modern equipment
and techniques with both theoretical classes and field
activities. USACE trained personnel on instrumentation and
GIS-based tools for the project as well. The USACE-Trevi team
had further extended the training concept to include the integration
of MoWR personnel into the contractor's crews,
coaching the MoWR workforce to directly execute the work on
their own in the upcoming years. Integration was achieved by
establishing effective approaches for knowledge transfer to the
Iraqi staff, overcoming the language differences and bridging
technical barriers.
Conclusion
During the emergency grouting and rehabilitation effort, the
workforce reached a peak of about 700 units, with Italian
management and supervision, third-country national staff and
local personnel. The engineer of record, led by USACE with
support from Aecom and Versar, included up to 84 onsite and
more than 200 reach back personnel. The U.S. provided design
services, construction technical support and logistics for the
engineer's team. In the end of the 3-year effort, about 8-million
man-hours were worked without recordable incidents.
The works commenced with the war conflict against ISIS
at 13 km (8 mi) from the dam. Notwithstanding the strict
security procedures and logistical challenges for delivery of
supplies and equipment, the works proceeded expeditiously
through completion of the contract in July 2019.
As of the final evaluation of the dam performance in April
2019, USACE determined that the dam was in full operational
condition and the foundation was stabilized. However,
because of its dynamic foundation condition, grouting
provides a time-limited solution that must be continuously
reinforced. The MoWR has all the skills and state-of-the-art
tools necessary to be fully effective at both grouting and
monitoring of the dam. Appropriate budgeting and effective
procurement and management will also be critical to the
future of Mosul Dam. Currently, the dam presents a much
lower risk to the downstream community than it did in 2015.
The successful completion of this challenging project
illustrates the power of teamwork through three national
governments, four military organizations providing logistics
and security, two U.S. government departments, four
organizations providing engineering and multiple contracts
managed by Trevi.
Raffaella Granata, M.Sc., is the head of the research and development
department for Trevi in Cesena, Italy
Vanessa Bateman, P.G., P.E., D.GE., is the chief of civil works
engineering for the U.S. Army Corps of Engineers in Washington, D.C.
Opening the spillway
DEEP FOUNDATIONS * SEPT/OCT 2022 * 21

September/October 2022

Table of Contents for the Digital Edition of September/October 2022

TOC
September/October 2022 - Intro
September/October 2022 - 1
September/October 2022 - 2
September/October 2022 - TOC
September/October 2022 - 4
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