MII
Marine Construction Operations
ServicesMarine Construction

Marine Construction

From seabed to shoreline — comprehensive marine construction across Oman and the GCC. In-house fleet, experienced teams, and 56 years of heritage behind every project.

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MII operates an in-house marine fleet and deploys experienced construction teams to deliver a full spectrum of inshore and offshore marine construction projects. From jetties and breakwaters to dredging and pipeline installation, we work as main contractor and subcontractor, with proven methodologies and an unwavering commitment to safety and quality.

Marine Construction Services

Full-spectrum capabilities for any marine construction challenge

Jetties & Quays

Design and construction of pile-supported and gravity-based jetties and quay walls for port, industrial, and commercial applications. Delivered to full engineering specifications in challenging marine environments.

Sheet pile walls
Concrete pile jetties
Combi-wall systems
Timber and steel dolphins

Breakwaters & Coastal Protection

Rubble mound, composite, and vertical breakwater construction to protect coastal assets and harbour entrances. Industry-standard armour rock and concrete armour unit systems.

Rubble mound construction
Concrete armour units (Accropode, Tetrapod)
Revetments
Rock armour placement

Dredging & Reclamation

Capital and maintenance dredging operations for harbours, channels, and coastal development. Land reclamation and fill compaction for new island and waterfront development.

Cutter suction dredging
Trailing suction dredging
Hydraulic fill and compaction
Bathymetric pre-/post-survey

Marine Piling

Driven and bored pile installation for marine structures including jetties, pontoons, mooring dolphins, and fendering systems. Temporary and permanent works capability.

Steel H-piles
Concrete pre-cast piles
Sheet piling
Mooring dolphins

Pipeline Installation

Subsea and intertidal pipeline installation in HDPE, GRP, and carbon steel. Covering intake, outfall, oil and gas transfer, and industrial pipeline projects across Oman and the GCC.

HDPE pipeline (all diameters)
GRP pipeline systems
Steel pipeline
HDD pipeline crossings

Artificial Islands & Reclamation

Marine works for artificial island creation and coastal reclamation, including geotextile containment, hydraulic fill placement, and structural edge protection.

Geotextile tube containment
Hydraulic fill placement
Armour rock edges
Structural infill

Erosion Protection

Coastal erosion protection using rock armour, geotextiles, and concrete systems. Protecting existing infrastructure and coastlines from wave action and tidal forces.

Rock armour revetments
Geotextile systems
Concrete block mattresses
Gabion walls

Pontoon & Marina Installation

Supply and installation of floating pontoon systems, marina walkways, and VIP berth infrastructure. Full lifecycle services from design to commissioning and maintenance.

Floating pontoon systems
Modular marina walkways
Anchor and mooring systems
VIP berth facilities

MII operates in-house marine plant including crane barges, flat deck barges, landing craft, and specialised dredging equipment to support marine construction operations.

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Plan Your Marine Construction Project

Our engineers are ready to assess your requirements and develop a tailored solution.

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