Box Culverts

  • Conveyance of storm water from urban developments
  • Service Tunnels
  • Small Bridges
  • Stream Crossings

Dimensions:

  • OPSS Design
    • 1800mm x 900mm to 3000mm x 2400mm
  • DECAST Design
    • 3600mm x 2400mm to 5400mm x 4200mm
  • Standard Length
    • OPSS Design: 2.44m
    • DECAST Design: 2.5m

Standard(s) Reference:

  • Plant Prequalification Program
  • OPSS 1821
  • CSA S6 – CHDBC
  • OPSS 422
  • ASTM C1433
  • CSA A23.4

Features on Request:

  • Other box culvert sizes available
  • Able to design for special loading conditions (increased depth of cover, railway loading, other special loading conditions)
  • Post tensioned box culverts available
  • Available: bends, reducers, increasers, radius sections, beveled ends, scribed holes, flush ends, maintenance hole tees, plugs, caps, dowels and inserts

 

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Gravix® Precast Wall System

Gravix is a new precast retaining wall system that reduces excavation requirements (typically 30% less than conventional RSS walls), uses native backfill instead of expensive granular, temporary shoring is not needed and steel or geosynthetic straps (geogrid) are not required. Additionally, there is a traffic barrier option that provides a finished retaining wall with the barrier in place.

Dimensions:

  • Wall Face
    • 4′ x 8′ (1.22m x 2.44m) natural, stacked stone aesthetic face
  • Wall Height
    • 4′ to 40′ (1.22m to 12.20m)
  • Stem Length
    • 6′ to 20′ (1.83m to 6.10m)
  • Traffic Barrier
    • 3′ or 3.5′ (0.91m or 1.07m)
  • Half and sloped units also available

Standard(s) Reference:

  • Plant Prequalification Program
  • CSA S6 – CHDBC
  • CSA A23.4

Other Details:

  • The Gravix Traffic Barrier has been tested and successfully passed the MASH TL-4 vehicle impact loading
  • The system has received many approvals throughout the United States, New Brunswick and Ontario
  • Accepted for Use by The Road Authority
  • In the process of getting Gravix on MTO’s Designated Sources for Materials (DSM)

 

Gravix Brochure

DE-SPAN®

DE-SPAN® bridges truly accelerate construction. Create a bridge in a day or two. DE-SPAN® is a rigid-portal framed bridge system with modules which are designed with a horizontal deck to support soil & live loads and with vertical legs to create desired opening height

Applications:

Bridge Construction/Replacement, Underpasses/Overpasses for Roads, Stream Crossings, Environmental Applications, Pedestrian Walkways, Stormwater Solution

Dimensions:

Spans from 4m to 16m, Rises from 0.9m to 3.6m

Standard(s) Reference:

Designed to the Canadian Highway Bridge Design Code (CHBDC)

Features on Request:

Various Skews Available, Precast Keeway Footings, Wingwalls, Headwalls, and Endwalls, and Cast-In Holes for Storm Pipe Connections


Bridges Overview Brochure

DE-SPAN Design Guidelines
DE-SPAN Section Dimensions

O-SERIESTM

With a history of innovation and experience, DECAST Ltd. has taken precast bridges to the next level with the O-SeriesTM precast bridge system (a licensed product of Contech Engineered Solutions LLC). Requiring less concrete per open area than any other precast bridge structure, the O-SeriesTM precast bridge system is the ideal blend of hydraulic efficiency and structural capacity.

Applications:

Bridge Construction/Replacement, Underpasses/Overpasses for Roads, Stream Crossings, Environmental Applications, Pedestrian Walkways, Stormwater Solution

Dimensions:

Spans from 4m to 27m, Rises from 0.9m to 6.4m

Standard(s) Reference:

Designed to the Canadian Highway Bridge Design Code (CHBDC)

Features on Request:

Various Skews Available, Precast Keeway Footings, Wingwalls, Headwalls, and Endwalls, and Cast-In Holes for Storm Pipe Connections

 

O-SeriesTM Brochure

Box Maintenance Holes

  • When pipe diameters to be inserted are too large for round maintenance holes
  • Pumping Stations
  • Control Structures
  • Wet Wells

Standard(s) Reference:

  • 900mm x 1800mm to 3000mm x 5000mm
  • Walls are 225mm minimum
  • Base and top are 225mm minimum

Standard(s) Reference:

  • Plant Prequalification Program
  • CSA S6 – CHBDC
  • ASTM C1433
  • CSA A23.4
  • OPSD 405.010

Features on Request:

  • Consist of a mono base, a number of risers (to suit depth) and a monotop
  • Maintenance Holes designed to fit job site requirements
  • Swift anchors included
  • Joints are sealed with butyl mastic sealant
  • Cast-in openings in monobase and monotop

 

Engineered Precast Brochure

Utility Chambers

Applications:

  • Chambers for watermain valves/meters, electrical vaults, oil/grit separators, septic tanks, lift station wet wells, storage tanks, stormwater management

Dimensions:

  • 2000mm x 3400mm to 2000mm x 4600mm
  • 2400mm x 1800mm
  • 3000mm x 2400mm
  • Chambers designed to fit job site requirements

Standard(s) Reference:

  • Plant Prequalification Program
  • CSA A23.4
  • CSA 257.4
  • OPSD 1101
  • OPSD 1108
  • City of Toronto (T-1108 Series)
  • Region of Peel (1-1-5)
  • Region of Peel (1-1-6)

Features:

  • Eliminates expensive formwork
  • Self-lubricating gaskets included
  • Available: reducers/increasers, radius box sections, bends, skewed or flush end sections, hole to accept maintenance riser

 

Engineered Precast Brochure

Engineered Precast Solutions

  • Our engineering team can work with you to design the exact precast concrete products you need to achieve your project objectives
  • With DECAST you get higher quality, long asset life and leading engineered precast solutions

 

Engineered Precast Brochure
Stormwater Management Solutions Brochure