Our Products

Precast concrete infrastructure products manufactured to Ontario Provincial Standards. All products are priced to match Ontario market list pricing.

Maintenance HolesCatch Basins & Ditch InletsBox CulvertsOGS SystemsStormwater TanksHeadwalls & WingwallsGrade Rings & Accessories
OPSD 701.010 – 701.015

Maintenance Holes

Fortix maintenance holes are manufactured to Ontario Provincial Standard Drawings for circular precast concrete maintenance holes. Available in diameters from 1200mm to 3600mm, these structures are engineered for storm and sanitary sewer systems, providing reliable access points at changes in pipe size, alignment, or grade.

Technical Specifications

Diameters Available
1200mm, 1500mm, 1800mm, 2400mm, 3000mm, 3600mm
Standards
OPSD 701.010 through 701.015
Wall Thickness
Per OPSD specification for each diameter
Steps
Aluminum OPSD 405.010 / 405.020 included
Gaskets
Joint gaskets included as standard
Safety Landings
Included at 5.0m depth and deeper

Features & Options

  • Prebenched inverts available — reduces on-site labour
  • Flexible pipe-to-maintenance hole connectors
  • Tapered tops and flat caps
  • Scribed and cored pipe openings
  • Safety grates for open excavation
  • Rectangular utility structures available
  • IFC-25 integrated frame and cover system compatible

Applications

Storm sewer systemsSanitary sewer systemsCombined sewer systemsMunicipal road projectsMTO highway projectsSubdivision development
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Maintenance Holes
OPSD 705.010 – 705.040

Catch Basins & Ditch Inlets

Fortix catch basins collect stormwater and debris from road surfaces, curbs, and ditches. Our product line covers the full range of Ontario standard catch basin configurations, from standard 600×600mm units to twin inlets and ditch inlets, all manufactured to OPSD dimensions.

Technical Specifications

Standard CB
600mm × 600mm (115mm wall) — OPSD 705.010
Heavy Wall CB
600mm × 600mm (150mm wall)
Twin Inlet
600mm × 1450mm — OPSD 705.020
Curb Inlet
600mm × 840mm
Ditch Inlet
600mm × 600mm — OPSD 705.030
Ditch Inlet Large
600mm × 1200mm — OPSD 705.040 A/B

Features & Options

  • Goss Trap (PVC) available for oil/debris capture
  • Ditch inlet grates Type A, B, and C
  • Frames and grates supplied
  • Ditch inlet fasteners included
  • Minimum 1 metre charge applies
  • Grade rings for height adjustment

Applications

Roadway drainageCurb and gutter systemsDitch drainageParking lot drainageMunicipal road reconstructionHighway drainage
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Catch Basins & Ditch Inlets
OPSS 1821 / CHBDC

Box Culverts

Fortix reinforced concrete box culverts are designed for stormwater conveyance, stream crossings, and small bridge replacements. Manufactured to OPSS 1821 for standard earth cover conditions and CHBDC for extended cover or special loading requirements.

Technical Specifications

Standard Spans
1800×900 to 3000×2400mm (OPSS 1821)
Wall Thickness
200mm (1800–2400mm spans), 250mm (3000mm)
Lay Length
2.5m standard sections
Earth Cover
0.6m to 5.5m (OPSS 1821)
CHBDC Cover
0.0m to 0.6m and 5.5m to 8.0m
Joint Sealing
Filter fabric included; butyl/gasket +5%

Features & Options

  • Beveled ends (20% upcharge)
  • Radius sections (15% upcharge)
  • Flush ends available
  • Scribed holes for pipe connections
  • Maintenance hole tee openings
  • Plugs and caps available
  • 15M dowels and inserts

Applications

Storm sewer culvertsStream crossingsSmall bridge replacementsRoad underpassesRailway crossingsStormwater conveyance
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Box Culverts
Oil & Grit Separators

OGS Systems

Oil and Grit Separator (OGS) structures are precast concrete chambers engineered to remove suspended solids, petroleum hydrocarbons, and debris from stormwater runoff before discharge to receiving waters. Fortix OGS structures are designed to meet Ontario Ministry of Environment requirements and site-specific treatment objectives.

Technical Specifications

Structure Type
Precast concrete cylindrical or rectangular
Sizing
Custom per design flow rate and treatment objective
Standards
MECP Stormwater Management Planning and Design Manual
Access
Maintenance hole access included
Inlet/Outlet
Scribed openings per design
Treatment
Low-flow and high-flow treatment chambers

Features & Options

  • Removes suspended solids, oils, and trash
  • Separate treatment paths for low and high flows
  • Minimizes scour and re-suspension of captured fines
  • Accessible for routine inspection and cleanout
  • Custom sized to project-specific flow rates
  • Compatible with standard maintenance hole frames
  • Suitable for parking lots, roads, and industrial sites

Applications

Parking lot runoff treatmentRoad drainage pre-treatmentIndustrial site stormwaterCommercial developmentMunicipal stormwater qualityMECP permit requirements
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OGS Systems
Underground Detention & Retention

Stormwater Tanks

Fortix precast underground stormwater detention and retention tanks provide large-volume storage for stormwater management. Modular precast systems allow flexible footprint configurations and are engineered to support surface loads from roads, parking lots, and green spaces above.

Technical Specifications

System Type
Modular precast concrete chambers
Inside Height
1.5m and 3.0m standard configurations
Volume
Up to 14,000 L/chamber; 7,000 L/m
Cover Depth
Up to 4.0m of cover supported
Service Life
100+ years under chloride exposure
Surface Use
Parks, sports fields, roads, parking lots

Features & Options

  • Modular design fits any footprint configuration
  • Cast-in-place floor sections between precast units
  • Low-flow channels, sumps, and infiltration openings
  • Easily accessible for inspection and maintenance
  • Supports public parks, sports fields, and roads above
  • Robust alternative to plastic chamber systems
  • Custom engineering for project-specific requirements

Applications

Stormwater detentionStormwater retention/infiltrationCombined detention/qualityParking lot below-grade storagePark and recreation areasMunicipal master drainage plans
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Stormwater Tanks
Pipe End Structures

Headwalls & Wingwalls

Precast concrete headwalls and wingwalls provide structural end treatment for culvert and storm sewer outlets. Manufactured to standard configurations for common pipe sizes, or custom engineered for project-specific requirements.

Technical Specifications

Types
Headwalls, wingwalls, endwalls
Pipe Sizes
300mm to 1800mm and larger
Standards
OPSD specifications
Custom
Available for non-standard configurations

Features & Options

  • Standard OPSD headwall configurations
  • Wingwalls for angled installations
  • Grate options for debris control
  • Custom sizing available

Applications

Culvert inlet/outletStorm sewer outfallsDitch crossingsErosion protection
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Headwalls & Wingwalls
Appurtenances

Grade Rings & Accessories

Precast concrete grade adjustment rings, flexible connectors, steps, and other accessories to complete maintenance hole and catch basin installations to finished grade.

Technical Specifications

Grade Rings
50mm, 100mm, 150mm, 200mm heights
Flexible Connectors
300mm to 1200mm pipe sizes
Steps
Aluminum OPSD 405.010 / 405.020
Frames & Covers
OPSD 400.020 and custom

Features & Options

  • Grade rings for height adjustment to finished grade
  • Flexible pipe-to-structure connectors
  • Aluminum maintenance hole steps
  • Cast iron frames and covers
  • Modutape joint sealing

Applications

Maintenance hole adjustmentCatch basin adjustmentPipe connectionsRoad reconstruction
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Need a Custom Solution?

Our team can engineer precast solutions for non-standard dimensions, special loading conditions, or unique project requirements.

Contact Our Team