QLD Main Roads

TRI Underground are committed to supplying quality products into the QLD Main Roads network, with a large range of stock held products which are manufactured to the TMR Standards.  Approval certificates can be provided upon request.

Our current range includes the following;

TRITUFF Range - Circular 600 Pit, Composite Collars and Class B Composite covers to suit.

TRITUFF Range – Circular 600 Pit, Composite Collars and Class B Composite covers to suit.

  • Circular pits available in 1m and 1.2m 
  • Circular pits made to 1415 MR Standard Drawing
  • Cover weight 10kg
  • Covers meets MRTS91 standard  
  • Collar weight 5.5kg
  • Collar meets MRTS91 standard
  • Cover meets AS3996 Class B Load Rating
  • Cover meets Australian standard for slip resistance 

 

Circular 600 Pits, Class B Cast Iron Collars and Class B Steel covers to suit.Circular 600 Pits, Class B Cast Iron Collars and Class B Steel covers to suit.

Circular 600 Pits, Class B Cast Iron Collars and Class B Steel covers to suit.

  • Circular pits available in 1m and 1.2m
  • Circular pits made to 1415 MR Standard Drawing
  • Cover weight 20kg
  • Covers made to 1417 MR Standard Drawing
  • Collar weight 29kg
  • Collar made to 1416 MR Standard Drawing
  • Cover meets AS3996 Class B Load Rating
  • Cover meets MRTS91 standard for slip resistance

 

Circular 600 Split PitCircular 600 Split Pit

Circular 600 Split Pit

  • For installation around existing Conduit
  • Made to MRTS91 standard
  • Multiple cover options available – Composite or Steel
  • Simple to assemble
  • Delivered pre-assembled
  • Assembled Pit Weight 46kg

 

Circular RiserCircular Infill Covers

Accessories to suit the 600 Circular Range.

Circular Riser

  • Raises the pit to suit application requirements    
  • Circular riser made to 1681 MR Standard Drawing 

Circular Infill Covers

  • Galvanised steel
  • Meets AS3996 Class B Load rating
  • Cover weight 18kg
  • Frame weight 25kg
  • Tri part code: 13277  (Concrete)
  • Tri part code: 13664  (Pavers)

 

Concrete SurroundsCurved Bellmouth

Concrete Surrounds

  • No form work required
  • Made to 1685 MR Standard Drawing
  • Ensures a stable platform for working access to the pit
  • Protects the pit/collar and cover from mower damage
  • Surround weight: 105kg
  • Tri part code: 11847

Curved Bellmouth

  • Unique bellmouth design to suit 600 circular pit
  • Sits flush against the circular pit wall
  • Easy Installation 
  • Available in 80mm and 100mm

 

Rectangular Pits and Galvanised Steel Anti-slip CoversRectangular Pits and Galvanised Steel Anti-slip Covers

Rectangular Pits and Galvanised Steel Anti-slip Covers

  • Pit and cover sizes available: P1, N1/3, P4, P7, P8
  • Pits made to 1631 MR Standard Drawing
  • Lids made to 1632, 1633 and 1634 MR Standard Drawing

 

TRITUFF Type 4 Composite coverTRITUFF Type 4 Composite cover

TRITUFF Type 4 Composite cover

  • Lightweight 
  • Lockable 
  • Cover weight 3.8kg
  • Meets MRTS91 standard
  • Cover meets AS3996 Class B Load Rating
  • Available in Electrical and Communications

 

Preformed Detector LoopsPreformed Detector Loops

Preformed Detector Loops

The F-38 loop detectors are designed to detect traffic for signal operation. They are used in a variety of applications including:

  • Cut into existing surfaces
  • Overlay with hot or cold mix asphalt
  • Incorporated into poured or paved concrete 
  • Temporary above ground applications

Various sizes are available such as but not limited to 3m, 5m, 6m, 8m, 9m, 10m, 11m and 12m. Custom sizes can be arranged.

  • 9.5mm OD Hydraulic Flex Hose
  • Wire insulated with Rubberised Asphalt
  • No splices or joints in the conductors
  • Shipped ready to install
  • No sticky adhesive bandages to deal with
  • Reduced maintenance costs

 

Concrete Traffic & Telco Signal BasesStep Tread Footing

QLD Main Roads Concrete Product Range

Concrete Traffic & Telco Signal Bases  (Left Image)

  • Made to 1679 and 1423 MR Standard Drawing
  • New Utility Securing Anchors at each end
  • Standard Lift Anchors for easy handling
  • Made with MP40 Concrete
  • Tri part code: 13729 (Traffic)
  • Tri part code: 13714  (Telco) 

Step Tread Footing (Right Image)

  • Installation details for cross falls greater than 1:6 up to and including 1:3
  • Made to 1429 MR Standard Drawing
  • Made with MP40 Concrete
  • Tri part code: 13757

 

Base Plate Mounted Pole and FootingSlip Base Pole and Footing

Base Plate Mounted Pole and Footing (Left Image)

  • Installation details for cross falls greater than 1:2
  • Made to 1393 MR Standard Drawing
  • Made with MP4o Concrete
  • Tri part code: 13755

Slip Base Pole and Footing (Right Image)

  • Installation details for cross falls greater than 1:6 up to and including 1:3
  • Made to 1382 MR Standard Drawing
  • Made with MP40 Concrete
  • Tri part code: 13756

 

Star Picket

Star Picket

  • 1350mm long star picket
  • Galvanised steel construction