Manual ROM 1.1-18
The purpose of the Manual is to facilitate the implementation of the recommendations in the ROM 1.1-18
Articles. This document presents approaches, methods and tools compatible with the indications of the ROM 1.1-18
Articles, and should be periodically updated so that it is in consonance with the current level of knowledge and its
limitations. This manual is composed of the following three chapters:
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C1. Description of the construction site. Explains the purpose of the harbor area and the
breakwater. In addition, it establishes the geometric foundations for the description of the site and of the
construction as a whole. It also provides information regarding the elements that must be considered in the
design of a maritime structure i.e. (topography and bathymetry; seabed and seismic activity; maritime and
atmospheric climate agents; shoreline morphodynamics and water quality; quarries and riprap).
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C2. Breakwater types and failure and stoppage modes. Provides the infor-mation needed to
design a certain breakwater type, based on the dominant agents in the subset. It describes the regimes and
domains of the hydrodynamic performance of the breakwater and its subsets. A set of recommendations is
also provided for the design and pre-design of the layout, subsets and sections. Moreover, a set of formulas
is also given for the design and pre-design of the layout, subsets, and sections. Also specified are the formulas
that can be used to calculate the geometry of a breakwater section and its hydrodynamic performance in
response to climate agents. Finally work methodologies are proposed for the verification of the technical
requirements of a breakwater and its subsets in relation to failure and stoppage modes
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C3. Evaluation of breakwater construction and repair costs. Presents a set of methods and tools
that can be used for the organization of the construction process, definition of construction and repair strategies,
and statistical characterization of the costs of the different project phases and their temporal distribution.