Construction
Services

We specialize in marine pipeline, pile driving, shoreline protection, water intakes and outfalls, cofferdams, dam refurbishment and numerous other marine/heavy construction related projects.

Marine Construction

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Dredging

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Deep Foundations

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Marine Railway

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Design-Build and Pre-Construction Services

Dean Construction utilizes our in-house expertise and experience coupled with that of specifically selected, licensed, external engineering firms to achieve economical solutions/installations for our clients.

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Pre-Construction Consultations

We provide fullscale pre-construction consultations

Constructability Reviews

Dean Construction’s experts can provide constructability reviews for your projects.

Start-To-Finish Design & Build Services

We provide fullscale pre-construction consultations

Construction
Services

We specialize in marine pipeline, pile driving, shoreline protection, water intakes and outfalls, cofferdams, dam refurbishment and numerous other marine/heavy construction related projects.

Construction Services

We specialize in marine pipeline, pile driving, shoreline protection, water intakes and outfalls, cofferdams, dam refurbishment and numerous other marine/heavy construction related projects.

Marine Construction

Learn More

Dredging

Learn More

Deep Foundations

Learn More

Marine Railway

Learn More

Marine Construction

Learn More

Dredging

Learn More

Deep Foundation

Learn More

Marine Railway

Learn More

Design-Build and Pre-Construction Services

Dean Construction utilizes our in-house expertise and experience coupled with that of specifically selected, licensed, external engineering firms to achieve economical solutions/installations for our clients.

k

Pre-Construction Consultations

We provide fullscale pre-construction consultations

Constructability Reviews

Dean Construction’s experts can provide constructability reviews for your projects.

Start-To-Finish Design & Build Services

We provide fullscale pre-construction consultations

Full Range of Marine Construction Services

Dean Construction performs work under various contracts and pricing strategies, ranging from design-builds to time-and-material contracts to conventionally tendered work.

We make our years of industry experience available for constructability reviews and budgeting analysis as well as design/pricing/execution of works from the project’s concept stages through design, permitting and construction.

Dean Construction removing a blind flange in Toronto.
Dean Construction removing a blind flange in Toronto.

Full Range of Marine Construction Services

Dean Construction performs work under various contracts and pricing strategies, ranging from design-builds to time-and-material contracts to conventionally tendered work.

We make our years of industry experience available for constructability reviews and budgeting analysis as well as design/pricing/execution of works from the project’s concept stages through design, permitting and construction.

Dean Construction doing marine construction.

Marine Construction

The team at Dean Construction has real-world, hands-on and administrative experience installing water intakes and water treatment plant outfalls, large diameter drilled, marine shafts, shoreline protection/restoration and port infrastructure.

Dean Construction doing marine construction.

Marine Construction

The team at Dean Construction has real-world, hands-on and administrative experience installing water intakes and water treatment plant outfalls, large diameter drilled, marine shafts, shoreline protection/restoration and port infrastructure.

Intakes

Construction of water intakes for municipal, industrial, green energy and power generation applications.

Methods of Installation have included:

  • Open-cut trench
  • Slip-lining into existing infrastructure, including in-situ combined with submarine grouting of the anulus
  • Drilled and blasted trench
  • Drilled vertical shaft with future connection to a tunnel

Materials Installed have included:

  • HDPE pipe (up to 1600mm dia. and 2600m length) with concrete anchor blocks.
  • Concrete pressure pipe on slopes to 22.5 degrees
  • Concrete reinforced pipe
  • Coated steel

Outfalls

Construction of water/effluent outfalls for waste water treatment plants, storm water, industrial process and power generation water discharge.

Methods of Installation have included:

  • Drilled and stainless-steel lined diffuser shafts with future tunnel connection
  • Penetration of existing wooden/steel seawall with insertion of steel outfall pipe
  • Piping installed in excavated trenches and laid on the lake-bottom
  • HDPE piping grouted inside protective steel casings while submerged
  • Conversion of covered pipe outfall to open steel sheet piling discharge structure

Materials Installed have included:

  • Steel sheet piling
  • Concrete Pressure Pipes & Reinforced Concrete Pipes
  • Steel Pipes and HDPE Pipes
  • Large Diameter Duckbill Valves
  • Stainless steel and FRP diffusers
  • Custom fabricated concrete pipe structures

Shoreline Protection

Dean has installed a wide variety of shoreline protection systems.

  • Steel sheet piling
  • Stone revetments
  • Concrete/fabric mats
  • Stacked armour stone and cut-stone blocks

Port Construction

Dean has performed new wharf and pier construction and rehabilitation for large industrial, port authority and government clients.

Usages of the constructed facilities ranges from municipal parks to heavy industrial and cargo handling.

Tremie/Marine Concrete

Dean has extensive experience in placing tremie concrete both from onshore and floating plant.

  • Large volume cast-in-place structural
  • Anulus sealing
  • Artesian pressure sealing/compensation

Large Diameter Drilling

Dean has drilled large diameter shafts in marine applications through overburden and bedrock in water depths up to 30m and shaft depths of 20m.

Fish Habitat

Dean has been contracted to install habitat creation/enhancement structures for marine fauna.

Installations have been for both one-off construction and legislated compensatory works for Dean projects.

Dam Protection

Dean has performed water control structure rehabilitation for navigation and hydro-electric generation owners.

Dredging

Dean Construction has performed dredging services related to various needs. These needs include navigation, recreation, flood control and environmental remediation.

Dean Construction dredging work.

Dredging

Dean Construction has performed dredging services related to various needs. These needs include navigation, recreation, flood control and environmental remediation.

Navigation

Dean has performed dredging in the St. Lawrence Seaway system from Sault Ste. Marie to Cornwall, Ontario. Works have been in ports and in shipping channels.

Disposal procedures have included:

  • Open-water dumping
  • Offloading for pumping into a Contained Disposal Facility
  • Offloading for trucking to a secure disposal facility

Dean has completed numerous dredging projects have been performed for port authorities and municipal owners as well.

Flood Control

Dean has executed dredging projects to improve the flow of runoff water in areas prone to flooding.

Recreation

Dredging has been performed for applications ranging from recreational marinas to the Henley Pond rowing course.

Environmental Remediation

Dean has participated in projects involving the mechanical and hydraulic excavation of contaminated sediments, as well as their transport from site and disposal.

Deep Foundations

Dean Construction is one of the foremost deep foundation and marine construction companies in the Great Lakes Region. We have had the pleasure of completing hundreds of large-scale construction projects throughout the years.

Dean Construction's deep foundation work, including high capacity helical anchor installation.

Deep Foundations

Dean Construction is one of the foremost deep foundation and marine construction companies in the Great Lakes Region. We have had the pleasure of completing hundreds of large-scale construction projects throughout the years.

Pile Driving

Dean Construction owns a compliment of pile driving equipment enabling us to perform various types of driven pile installations.

  • Steel pipe piles and H-piles
  • Wood piles
  • Static load tests to 450t are also available.

Drilled Shafts

Dean has many years of experience with deep, shallow, straight shaft and belled installations.

Installations have ranged from high-capacity, bearing elements to highway sign supports.

Steel Sheet Pile Installation

Steel sheet piling installation for:

  • Shoreline Protection
  • Permanent Construction
  • Temporary Excavation Support
  • Dewatering

Drilled and Grouted Micropiles

Dean Construction has capabilties for hollow-core micropiles.

High Capacity Helical Anchors

Dean Construction has experience with:

  • Installed steel shaft diameters up to 273mm
  • Grouted shaft and plain steel
dean

Marine Railway

Dean Construction’s Lasalle yard has a marine railway capable of serving marine vessles in the 400 tonne range. We have completed many large-scale projects throughout the years.

We are able to perform the following works and inspections in the dry: Transport Canada Inspections; Painting; Hull Repairs; Shaft and Propellor Removals, Repairs, Replacements, and Inspections; and Condition Surveys.

Dean Construction's marine tugging rig.

Marine Railway

Dean Construction’s Lasalle yard has a marine railway capable of serving marine vessles in the 400 tonne range. We have completed many large-scale projects throughout the years.

We are able to perform the following works and inspections in the dry:

  • Transport Canada Inspections
  • Painting
  • Hull Repairs
  • Shaft and Propeller Removals, Repairs, Replacements, and Inspections
  • Condition Surveys

Contact Dean Construction

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