 | building of navigable fairways and port harbors,
|
| building of foundation areas for floating and dry docks, or for piers,
moles, berths and similar hydrotechnical constructions,
|
| replacing of bottom ground,
|
| building of underwater trenches for pipelines or cables, or foundations
for power lines masts,
|
| extracting and discharging of building sand for floating or shore-based
objects,
|
|
|
| maintaining of seaway depth as necessary,
|
| discharging of mud into the body of a hydrotechnical construction (a
berth, an embankment and the like),
|
| reclamation of sand and other elements in order to replenish beaches or
reclaim construction sites,
|
| forming of pebble riprap for coast protection,
|
| serving of navigation aids,
|
| performing of measurements and surveys.
|
|
