Earth Works

Employing a fleet of heavy equipment, Alva Construction Limited has been completing earth works projects for decades with areas of expertise including:

• Mass Excavation
• Road Construction
• Site Grading
• Topsoil Excavation
• Grubbing and Stump Removal
• Drainage
• Foundation Excavation

Equipment commonly utilized for our earthworks operations consist of Hydraulic Excavators, Dozers, Articulated Dump Trucks, Compators, Graders and Highway Trucks with Dump Trailers.

Bridge Structures

Alva Construction Limited completes all phases of bridge construction from foundation excavation to final commissioning.  We have completed pre-engineered structures and design/build structures.  Alva Construction Limited has the equipment and workforces to complete all bridge building tasks including:

• Foundation Excavation and Improvements
• Water Control for Bridge Foundations (Cofferdams)
• Temporary Bridge Platforms
• Pile Driving (H-Piles, Pipe Piles)
• Cast-in-place concrete
• Bridge Beam and Bridge Grider Installation
• Bridge Deck Casting
• Specialty Bridge Finishes and Coatings
• Temporary Bridge Detours

Our portfolio includes the construction in excess of 50 bridges ranging from small timber structures to multi-span concrete highway structures.  We have completed numerous modular bridges, value engineering structures and accelerated bridge construction projects.

Cast Concrete

Alva Construction Limited has completed hundreds of reinforced cast-in-place concrete projects.  We have constructed projects such as:

• Reinforced Concrete Bridges
• Slabs on Grade
• Large Box Culverts
• Concrete Aboiteaux
• Concrete Retaining Structures
• Pipe Outfalls
• Launching Ramps
• Reinforced Concrete Pile Caps

Marine Structures

Alva Construction Limited completes all phases of marine and wharf construction from site access stage to final commissioning.  We have completed:

• Wharf Demolition
• Marginal Wharfs
• Piers
• Timber Cribs
• Floating Wharves
• Piled Wharves
• Berlin Walls
• Breakwaters
• Service Areas
• Containment Facilities

Alva Construction Limited has extensive equipment and workforces to complete all types of marine projects.  We can complete both land based and floating operations with an extensive line of equipment including cranes, pile driving equipment, vibratory hammers, long reach excavators and sectional barges.

Barge Work

Alva Construction Limited maintains a modern selection of sectional barges used to complete on-water construction projects.  Our barges can be configured to various shapes and sizes to support both equipment and construction materials.  Past projects involving barge work have included:

• Pile Installation
• Marine Dredging
• Marine Drilling
• Demolition
• Cast-in-place Concrete
• Wharf Construction

Gravel Crushing

Alva Construction Limited operates and maintains an extensive line of mobile aggregate crushing equipment.  We produce numerous types of crushed and screened aggregates to meet a wide range of project requirements.  We produce products for both our own use and for other clients.  We operate various quarries and pits across Nova Scotia including:

• Georgeville – Antigonish County
• Hartville – Hants County
• Grand Etang – Inverness County
• Leitches Creek – Cape Breton County
• Pleasant Valley – Antigonish County
• Roman Valley – Guysborough County
• Port Jolly – Queens County
• Whycocomagh – Inverness County
• Yellow Marsh – Guysborough County

Pile Driving

Alva Construction Limited has specialized equipment to drive various sizes and types of piles. We often install Sheet Steel Piles, Pipe Piles, Timber Piles and H-Piles. We operate and maintain various type of piling equipment including:

• Diesel Pile Hammers of various sizes
• Vibratory Side Grip Hammer Excavator Attachment
• Fixed Lead VTL (Vertical Travel Leads)
• Swinging Leads
• Vibratory Hammers

In addition to standard piling operations, we have completed specialized projects including: rock socketing, micro-piles and cofferdams. We work with many suppliers and sub-contractors to enable us to complete unique piling projects.

Retaining Wall Structures

Retaining walls come in various shapes and sizes and incorporate many materials. Alva Construction Limited has constructed extensive retaining structures including:

• Gravity Block Retaining Walls
• MSE (Mechanically Stabilized Earth) Retaining Walls
• Cast-in-place Concrete Retaining Walls
• Soldier Pile Retaining Walls
• Berlin Walls
• Sound Walls

We have worked closely with designers and suppliers to construct purposeful and unique solutions for a wide range of both temporary and permanent solutions.

Underground Drainage Structures

Many of the projects we complete require various forms of underground drainage structures.  We have installed a significant quantity of underground structures including:

• Steel and Concrete Pipe
• Precast Box Culverts
• Steel and Concrete Arch Structures
• Utility Structures
• Concrete Aboiteaux
• Timber Boxes
• HDPE and PVC Underground Pipe
• Ductile Iron Pipe